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        1 Contract API job in Cardiff + 20 miles

        Full Stack .NET Developer - Azure - Cardiff

        Circle Group
        CF1, Cardiff
        £40000 - £50000 per annum + + Benefits
        Full Stack C# .NET Developer with experience in both back-end C# .NET / .NET Core development and front-end JavaScript development (Vue.js / Angular / React, etc) is required by a leading company in Cardiff. You should also have some development experience in the Cloud with Azure & third-party API integrations This role is an initial 12-month FTC, but chance for the role to go permanent later down the line. There is some excellent investment in AI technologies, so a chance to work on some cutting-edge software development projects in AI advancement. * Full-stack development experience in both C#.NET and JavaScript (Vue.js / Angular / React etc) with a passion for embracing new front-end technologies. * Azure experience with a good appreciation of Azure Functions, Storage Accounts, Service Bus, Application Insights, and Key Vault
        Full Stack C# .NET Developer with experience in both back-end C# .NET / .NET Core development and front-end JavaScript development (Vue.js / Angular / React, etc) is required by a leading company in Cardiff. You should also have some development experience in the Cloud with Azure & third-party API integrations This role is an initial 12-month FTC, but chance for the role to go permanent later down the line. There is some excellent investment in AI technologies, so a chance to work on some cutting-edge software development projects in AI advancement. * Full-stack development experience in both C#.NET and JavaScript (Vue.js / Angular / React etc) with a passion for embracing new front-end technologies. * Azure experience with a good appreciation of Azure Functions, Storage Accounts, Service Bus, Application Insights, and Key Vault
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        NEW

        46 exact matches jobs are outside your preferred location

        Software Engineer

        JAM Recruitment Ltd
        Ashton, BS3 2HQ
        £650 - £745 per day + Umbrella, inside IR35
        Enhanced SC Cleared Software Engineer / Data Integration Bristol or London (2 days per week onsite) Up to £745 per day (Umbrella, Inside IR35) Contract until 17th February 2026 Must hold live and transferrable Enhanced SC Clearance. We are unable to consider those with only BPSS or standard SC. About the Role We're looking for a highly skilled Software Engineer / Data Integration Specialist to join a mission-critical programme, ensuring data and services move seamlessly, securely, and efficiently across systems. This role blends backend software engineering with data integration expertise, offering the chance to work on high-impact projects within a collaborative, technically advanced environment. Key Responsibilities
        Enhanced SC Cleared Software Engineer / Data Integration Bristol or London (2 days per week onsite) Up to £745 per day (Umbrella, Inside IR35) Contract until 17th February 2026 Must hold live and transferrable Enhanced SC Clearance. We are unable to consider those with only BPSS or standard SC. About the Role We're looking for a highly skilled Software Engineer / Data Integration Specialist to join a mission-critical programme, ensuring data and services move seamlessly, securely, and efficiently across systems. This role blends backend software engineering with data integration expertise, offering the chance to work on high-impact projects within a collaborative, technically advanced environment. Key Responsibilities
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        NEW
        About The Role We are looking for seasoned and driven Business Analysts. We have three fixed term positions for up to 12 months, to work within our Project Management Office and help deliver key projects. As a Business Analyst, you will play a pivotal role in driving the success of our delivery teams by translating business requirements into tangible solutions. You'll collaborate closely with stakeholders, development teams, and product owners to ensure alignment with strategic objectives and deliver exceptional products that meet the needs of our customers. This is an exciting opportunity to leverage your analytical skills, domain knowledge, and agile mindset to make a significant impact in the dynamic landscape of Fintech.
        About The Role We are looking for seasoned and driven Business Analysts. We have three fixed term positions for up to 12 months, to work within our Project Management Office and help deliver key projects. As a Business Analyst, you will play a pivotal role in driving the success of our delivery teams by translating business requirements into tangible solutions. You'll collaborate closely with stakeholders, development teams, and product owners to ensure alignment with strategic objectives and deliver exceptional products that meet the needs of our customers. This is an exciting opportunity to leverage your analytical skills, domain knowledge, and agile mindset to make a significant impact in the dynamic landscape of Fintech.
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        NEWFEATURED

        Platform Engineer

        Motability Operations
        BS1, Bristol
        Competitive Salary + Benefits
        Description You will be part of a dynamic and collaborative team responsible for maintaining and optimizing our critical Infrastructure platform's. You will work closely with platform engineers, security teams, and other stakeholders to ensure the platform meets the needs of our business. Strategy and development * Support and provide input to help commission a clear and compelling product. * Assist with design solutions that bring efficiencies to the business. * Assist with the creation of a comprehensive product roadmap that aligns with business goals and customer needs. Prioritise features and initiatives based on strategic value. Platform development * Work closely with our colleague to understand the requirements. Foster a collaborative and agile work environment. * Explore methods to improve user experience by leveraging self-service and automation.
        Description You will be part of a dynamic and collaborative team responsible for maintaining and optimizing our critical Infrastructure platform's. You will work closely with platform engineers, security teams, and other stakeholders to ensure the platform meets the needs of our business. Strategy and development * Support and provide input to help commission a clear and compelling product. * Assist with design solutions that bring efficiencies to the business. * Assist with the creation of a comprehensive product roadmap that aligns with business goals and customer needs. Prioritise features and initiatives based on strategic value. Platform development * Work closely with our colleague to understand the requirements. Foster a collaborative and agile work environment. * Explore methods to improve user experience by leveraging self-service and automation.
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        NEW

        Senior Software Engineer - Active Savings

        Hargreaves Lansdown
        BS1, Bristol
        £65000 - £80000 per annum + Bonus, Pension, Private Healthcare
        Excited to grow your career? Our purpose is to empower people to save and invest with confidence. We are looking for great people to join us, so please come and invest in YOUR future at HL. We know that sometimes people can be put off applying for a job if they don't tick every box. If you're excited about working for us and have most of the skills or experience we're looking for, please go ahead and apply. We'd love to hear from you! About The Role HL are looking for a talented full stack Senior Software Engineer to join our Active Savings product development team in building market leading solutions for our clients. The Savings application allows HL clients to easily deposit cash into a selection of savings accounts offered by partner banks. It is a bespoke development project with several functional sub-components.
        Excited to grow your career? Our purpose is to empower people to save and invest with confidence. We are looking for great people to join us, so please come and invest in YOUR future at HL. We know that sometimes people can be put off applying for a job if they don't tick every box. If you're excited about working for us and have most of the skills or experience we're looking for, please go ahead and apply. We'd love to hear from you! About The Role HL are looking for a talented full stack Senior Software Engineer to join our Active Savings product development team in building market leading solutions for our clients. The Savings application allows HL clients to easily deposit cash into a selection of savings accounts offered by partner banks. It is a bespoke development project with several functional sub-components.
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        NEWFEATURED
        Excited to grow your career? Our purpose is to make it easy for people to save and invest for a better future. We are looking for great people to join us, so please come and invest in YOUR future at HL. We know that sometimes people can be put off applying for a job if they don't tick every box. If you're excited about working for us and have most of the skills or experience we're looking for, please go ahead and apply. We'd love to hear from you! About the role At Hargreaves Lansdown (HL) we're passionate about making it easy for people to save and invest for a better future and we believe that data & AI will play a significant role in helping us achieve our mission. We're therefore seeking a skilled Data Scientist to join our growing AI centre of excellence, leveraging cutting-edge technologies such as AWS & Snowflake to develop impactful AI products & solutions.
        Excited to grow your career? Our purpose is to make it easy for people to save and invest for a better future. We are looking for great people to join us, so please come and invest in YOUR future at HL. We know that sometimes people can be put off applying for a job if they don't tick every box. If you're excited about working for us and have most of the skills or experience we're looking for, please go ahead and apply. We'd love to hear from you! About the role At Hargreaves Lansdown (HL) we're passionate about making it easy for people to save and invest for a better future and we believe that data & AI will play a significant role in helping us achieve our mission. We're therefore seeking a skilled Data Scientist to join our growing AI centre of excellence, leveraging cutting-edge technologies such as AWS & Snowflake to develop impactful AI products & solutions.
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        NEWFEATURED

        Website Developer

        Forestry England
        BS16, Bristol
        From £47,252 to £50,927 per annum
        We are Forestry England. We live and breathe forests. Join us. We're foresters, professionals and experts. We are a passionate team who love to share our enthusiasm and want to make a positive difference for you and the environment. Together, were using our scale and expertise to grow the nations forests for everyone. Were already adapting our landscapes for tomorrow, and getting stuff done today, like creating amazing places and experiences for you to enjoy. We're providing vital homes for wildlife, making our air cleaner to breathe and producing sustainable timber. What you'll be doing Forestry Englands website is at the heart of our business - providing a quality user journey for all of our audiences, from mountain bikers and runners, to families, volunteers and timber buyers.
        We are Forestry England. We live and breathe forests. Join us. We're foresters, professionals and experts. We are a passionate team who love to share our enthusiasm and want to make a positive difference for you and the environment. Together, were using our scale and expertise to grow the nations forests for everyone. Were already adapting our landscapes for tomorrow, and getting stuff done today, like creating amazing places and experiences for you to enjoy. We're providing vital homes for wildlife, making our air cleaner to breathe and producing sustainable timber. What you'll be doing Forestry Englands website is at the heart of our business - providing a quality user journey for all of our audiences, from mountain bikers and runners, to families, volunteers and timber buyers.
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        NEW

        Lead Data Engineer

        Motability Operations
        BS1, Bristol
        Competitive Salary + Benefits
        Description Continuing Defleet's data led journey and recognising the importance the Data & Analytics team performs in this regard, we are looking for a skilled Lead Data Engineer who is passionate about exploiting data and searching for improvements in our existing processes and technology; can work closely with business teams; drives solutions with a focused mentality on business value and can lead, influence and drive collaboration across teams and stakeholders. It will focus on expanding the existing mission critical ecosystem of Data and BI systems for analytics and decision making, using Primarily Data Warehouse/Mart, Data Lake, Self Service BI Tools and Data Science/ML platform using Oracle, Snowflake and AWS tech stack. Qualifications * Self-starter with initiative and enthusiasm
        Description Continuing Defleet's data led journey and recognising the importance the Data & Analytics team performs in this regard, we are looking for a skilled Lead Data Engineer who is passionate about exploiting data and searching for improvements in our existing processes and technology; can work closely with business teams; drives solutions with a focused mentality on business value and can lead, influence and drive collaboration across teams and stakeholders. It will focus on expanding the existing mission critical ecosystem of Data and BI systems for analytics and decision making, using Primarily Data Warehouse/Mart, Data Lake, Self Service BI Tools and Data Science/ML platform using Oracle, Snowflake and AWS tech stack. Qualifications * Self-starter with initiative and enthusiasm
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        NEW

        Software Engineer in Test

        Motability Operations
        BS1, Bristol
        Competitive Salary + Benefits
        Description As a Software Engineer in Test (SET), you will be responsible for developing and maintaining automated test scripts using industry-standard testing tools and frameworks. These scripts will validate software functionality, performance, and security. This will cover front end testing using tools like Cypress or Playwright and backend testing with SOAPUi or similar. Ensuring the observability and reliability of the product is another key responsibility. You will utilize tools like Dynatrace, Splunk, and OpsGenie to achieve this. This role requires the SET to become the custodian of all thing's quality for their team. Additionally, you may conduct exploratory testing sessions to uncover defects, usability issues, and edge cases that may not be covered by automated or scripted tests.
        Description As a Software Engineer in Test (SET), you will be responsible for developing and maintaining automated test scripts using industry-standard testing tools and frameworks. These scripts will validate software functionality, performance, and security. This will cover front end testing using tools like Cypress or Playwright and backend testing with SOAPUi or similar. Ensuring the observability and reliability of the product is another key responsibility. You will utilize tools like Dynatrace, Splunk, and OpsGenie to achieve this. This role requires the SET to become the custodian of all thing's quality for their team. Additionally, you may conduct exploratory testing sessions to uncover defects, usability issues, and edge cases that may not be covered by automated or scripted tests.
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        NEW

        Backend engineer

        LA International Computer Consultants Ltd
        SN13, Corsham
        £500 - £600 per day + price in
        * Architect and implement backend services that support secure, air-gapped AI deployments, with a focus on NLP-based tooling * Develop pipelines for transcription ingestion and real-time analytical insight generation * Support graph and RAG-based inference layers using data from structured and unstructured sources * Build and expose APIs for frontend consumption, enabling natural-language querying, dynamic visualisation, and reporting * Ensure system portability via containerisation * Collaborate closely with data scientists to integrate self-hosted LLMs and analysis models into the backend infrastructure * Work with platform engineers to tune deployments for hardware-limited environments What You Bring * Strong experience building secure, scalable backend systems in Python and/or Go * Deep understanding of containerised services, particularly in Kubernetes
        * Architect and implement backend services that support secure, air-gapped AI deployments, with a focus on NLP-based tooling * Develop pipelines for transcription ingestion and real-time analytical insight generation * Support graph and RAG-based inference layers using data from structured and unstructured sources * Build and expose APIs for frontend consumption, enabling natural-language querying, dynamic visualisation, and reporting * Ensure system portability via containerisation * Collaborate closely with data scientists to integrate self-hosted LLMs and analysis models into the backend infrastructure * Work with platform engineers to tune deployments for hardware-limited environments What You Bring * Strong experience building secure, scalable backend systems in Python and/or Go * Deep understanding of containerised services, particularly in Kubernetes
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        NEW

        Process Engineer

        Ashley & Finch Recruitment
        SN12, Melksham
        From £35,000 to £40,000 per annum
        About the Role Join my client'sinnovative manufacturing team to design, develop, and implement cutting-edge applications using low-code platforms like Tulip. This role focuses on optimising and automating business processes to enhance operational efficiency in a fast-pacedmanufacturing environment. Key Responsibilities * Develop manufacturing applications using low-code platforms with minimal traditional coding. * Analyse and optimise internal business processes to drive automation and efficiency. * Implement business logic and requirements using visual tools, including form builders, pre-built templates, drag-and-drop interfaces, and entity builders. * Build smart, efficient technology solutions using Tulip, delivering results faster than traditional software engineering. * Apply User Experience (UX) principles to create intuitive workflows for shopfloor teams.
        About the Role Join my client'sinnovative manufacturing team to design, develop, and implement cutting-edge applications using low-code platforms like Tulip. This role focuses on optimising and automating business processes to enhance operational efficiency in a fast-pacedmanufacturing environment. Key Responsibilities * Develop manufacturing applications using low-code platforms with minimal traditional coding. * Analyse and optimise internal business processes to drive automation and efficiency. * Implement business logic and requirements using visual tools, including form builders, pre-built templates, drag-and-drop interfaces, and entity builders. * Build smart, efficient technology solutions using Tulip, delivering results faster than traditional software engineering. * Apply User Experience (UX) principles to create intuitive workflows for shopfloor teams.
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        PREMIUM
        Are you enthusiastic about working in the renewable energy sector on cutting-edge systems for wind turbine blade inspection? At Perceptual Robotics, we're seeking a driven individual to join our team as a full stack end web software engineer. In this role, you'll collaborate with our skilled team to develop innovative solutions for our web products, including a management dashboard, internal data tools, and new unreleased products. This is an exceptional opportunity to contribute to the development of solutions with a significant impact in the renewable energy space. Our small but highly capable team is deeply connected to the industry and shares a passion for creating innovative solutions. Join us on this exciting journey! We are committed to building a diverse and inclusive workplace that values equal opportunities.
        Are you enthusiastic about working in the renewable energy sector on cutting-edge systems for wind turbine blade inspection? At Perceptual Robotics, we're seeking a driven individual to join our team as a full stack end web software engineer. In this role, you'll collaborate with our skilled team to develop innovative solutions for our web products, including a management dashboard, internal data tools, and new unreleased products. This is an exceptional opportunity to contribute to the development of solutions with a significant impact in the renewable energy space. Our small but highly capable team is deeply connected to the industry and shares a passion for creating innovative solutions. Join us on this exciting journey! We are committed to building a diverse and inclusive workplace that values equal opportunities.
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        NEW
        We're looking for a Senior Product Designer to join our Product team and craft an engaging experience across a complex set of payments products and features. This role involves leading end-to-end design efforts for technical B2B workflows, collaborating cross-functionally, and crafting intuitive, high-impact product experiences that balance usability, business outcomes, and technical feasibility. You'll work closely with product managers, engineers, and other stakeholders to identify opportunities, deeply understand user needs, and translate insights into scalable design solutions. This role is well-suited for someone who thrives in ambiguity, is eager to bring strategic design thinking to product challenges, and wants to grow their influence in a dynamic environment. This role can be based in the US, Canada or UK. What you'll do
        We're looking for a Senior Product Designer to join our Product team and craft an engaging experience across a complex set of payments products and features. This role involves leading end-to-end design efforts for technical B2B workflows, collaborating cross-functionally, and crafting intuitive, high-impact product experiences that balance usability, business outcomes, and technical feasibility. You'll work closely with product managers, engineers, and other stakeholders to identify opportunities, deeply understand user needs, and translate insights into scalable design solutions. This role is well-suited for someone who thrives in ambiguity, is eager to bring strategic design thinking to product challenges, and wants to grow their influence in a dynamic environment. This role can be based in the US, Canada or UK. What you'll do
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        Job Title: API Developer Location: Remote Contract Length: 3 months Start Date: ASAP iO Associates are working with an exciting UK Based Defence company that blends strategic modelling, specialist analytics, and operational insight to simplify complex challenges and empower decisive thinking. They are looking for an API Developer to join the team for 3 months to support one of their existing contracts. This is a great opportunity for someone who is looking to join a dynamic team where you'll build integrations that transform complex data into actionable insights, all within a culture that values autonomy and innovation. * Requirements Analysis: Employ structured methods to capture and assess technical requirements. * API Development: Design and implement secure, scalable APIs using Python or Java. * System Integration: Integrate third-party services and data sources.
        Job Title: API Developer Location: Remote Contract Length: 3 months Start Date: ASAP iO Associates are working with an exciting UK Based Defence company that blends strategic modelling, specialist analytics, and operational insight to simplify complex challenges and empower decisive thinking. They are looking for an API Developer to join the team for 3 months to support one of their existing contracts. This is a great opportunity for someone who is looking to join a dynamic team where you'll build integrations that transform complex data into actionable insights, all within a culture that values autonomy and innovation. * Requirements Analysis: Employ structured methods to capture and assess technical requirements. * API Development: Design and implement secure, scalable APIs using Python or Java. * System Integration: Integrate third-party services and data sources.
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        NEWFEATURED
        WebMethods Integration Developer - Must have an Active SC Clearance - Remote We are looking for WebMethods Developers to join a growing integration team working on a large-scale enterprise platform programme. The project has significant growth planned, with multiple contractor roles opening this quarter and the next, starting with one junior hire. If you are an experienced integration specialist with Active SC clearance, we are keen to hear from you. * Designing and developing new integrations using WebMethods * Supporting the full lifecycle of integrations from technical design to development and testing * Working across a range of internal and third-party systems * Collaborating with architects and other developers to ensure robust, secure integration solutions * Strong experience with WebMethods Integration Server * Experience with API design and integration
        WebMethods Integration Developer - Must have an Active SC Clearance - Remote We are looking for WebMethods Developers to join a growing integration team working on a large-scale enterprise platform programme. The project has significant growth planned, with multiple contractor roles opening this quarter and the next, starting with one junior hire. If you are an experienced integration specialist with Active SC clearance, we are keen to hear from you. * Designing and developing new integrations using WebMethods * Supporting the full lifecycle of integrations from technical design to development and testing * Working across a range of internal and third-party systems * Collaborating with architects and other developers to ensure robust, secure integration solutions * Strong experience with WebMethods Integration Server * Experience with API design and integration
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        PREMIUM
        Remote £475 per day (Outside IR35) 3 months Likelihood for extension We are seeking a skilled Software Developer with a focus on back-end technologies to join our team. The ideal candidate will have proven experience with Node.js and/or Java (v21+) for backend development, as well as a strong knowledge of microservices architecture and RESTful API design. - Develop and maintain scalable backend systems using Node.js and/or Java. - Design and implement microservices and RESTful APIs to support application functionality. - Collaborate with front-end developers and other team members to ensure high-quality software solutions. - Hands-on experience with MongoDB or other NoSQL databases. - A solid understanding of containerization tools such as Docker or Podman, along with orchestration using Kubernetes.
        Remote £475 per day (Outside IR35) 3 months Likelihood for extension We are seeking a skilled Software Developer with a focus on back-end technologies to join our team. The ideal candidate will have proven experience with Node.js and/or Java (v21+) for backend development, as well as a strong knowledge of microservices architecture and RESTful API design. - Develop and maintain scalable backend systems using Node.js and/or Java. - Design and implement microservices and RESTful APIs to support application functionality. - Collaborate with front-end developers and other team members to ensure high-quality software solutions. - Hands-on experience with MongoDB or other NoSQL databases. - A solid understanding of containerization tools such as Docker or Podman, along with orchestration using Kubernetes.
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        A large government department urgently requires a team of Senior / Lead developers to assist them delivering mission-critical projects. To apply you must experience with the following :- Strong Software Engineering expertise with extensive experience knowledge working with Java (Spring Boot) on large microservice architectures. You should be confident using test-driven development techniques and possess skills in containerisation (Docker), relational databases such as Postgres (ideally with migration tooling such as Liquibase), and experience with modern DevOps ways of working like continuous integration and deployment. Knowledge of Kafka would be advantageous along with some frontend experience using React/Typescript. * Java (Spring boot) * Postgres (or other relational SQL database) * Docker
        A large government department urgently requires a team of Senior / Lead developers to assist them delivering mission-critical projects. To apply you must experience with the following :- Strong Software Engineering expertise with extensive experience knowledge working with Java (Spring Boot) on large microservice architectures. You should be confident using test-driven development techniques and possess skills in containerisation (Docker), relational databases such as Postgres (ideally with migration tooling such as Liquibase), and experience with modern DevOps ways of working like continuous integration and deployment. Knowledge of Kafka would be advantageous along with some frontend experience using React/Typescript. * Java (Spring boot) * Postgres (or other relational SQL database) * Docker
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        FEATURED
        Outside IR35 | £500/day | Remote UK | 6 months+ Bright Purple are partnering with a global client to hire aPlatform Engineerfor a high-impact infrastructure improvement programme. Youll help assess and align an AWS platform with internal policies, and lead a criticalCI/CD migration from Azure DevOps to GitHub Actions. * Conduct platform risk assessment: IAM, SSL expiry, EC2 security groups, backups, monitoring * Improve availability acrossRDS, EC2, Lambda, CloudFront, API Gateway * Migrate CI/CD pipelines to GitHub Actions * Support applications into tools likeSentry, Dependency Track, Bug Bounty, DAST * Define cross-region DR plans using Terraform CDK * Collaborate with dev teams on Java-based apps and AWS operational support * Triage infrastructure alerts and contribute to platform reliability?
        Outside IR35 | £500/day | Remote UK | 6 months+ Bright Purple are partnering with a global client to hire aPlatform Engineerfor a high-impact infrastructure improvement programme. Youll help assess and align an AWS platform with internal policies, and lead a criticalCI/CD migration from Azure DevOps to GitHub Actions. * Conduct platform risk assessment: IAM, SSL expiry, EC2 security groups, backups, monitoring * Improve availability acrossRDS, EC2, Lambda, CloudFront, API Gateway * Migrate CI/CD pipelines to GitHub Actions * Support applications into tools likeSentry, Dependency Track, Bug Bounty, DAST * Define cross-region DR plans using Terraform CDK * Collaborate with dev teams on Java-based apps and AWS operational support * Triage infrastructure alerts and contribute to platform reliability?
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        NEW

        Lead QA Analyst

        LA International Computer Consultants Ltd
        UK
        £480 - £500 per day
        We're seeking a Lead QA Analyst to drive and scale quality assurance across multiple squads delivering Low-Code/No-Code solutions, with a primary focus on Microsoft Power Platform and Azure-integrated applications. You will define test strategy, lead governance to build reusable testing capabilities across multiple teams . This is a pivotal role in embedding scalable, sustainable quality into rapid solution delivery. Define and own test strategy, test planning and risk mitigation across multiple squads Collaborate with squad teams to ensure acceptance criteria are clear and testable Communicate quality risks, release readiness, and report defects and readiness to stakeholders Coordinate with Senior QAT during various stages of testing cycle and oversee test coverage during testing life cycle 8+ years in software testing roles with at least 3 years in a lead role
        We're seeking a Lead QA Analyst to drive and scale quality assurance across multiple squads delivering Low-Code/No-Code solutions, with a primary focus on Microsoft Power Platform and Azure-integrated applications. You will define test strategy, lead governance to build reusable testing capabilities across multiple teams . This is a pivotal role in embedding scalable, sustainable quality into rapid solution delivery. Define and own test strategy, test planning and risk mitigation across multiple squads Collaborate with squad teams to ensure acceptance criteria are clear and testable Communicate quality risks, release readiness, and report defects and readiness to stakeholders Coordinate with Senior QAT during various stages of testing cycle and oversee test coverage during testing life cycle 8+ years in software testing roles with at least 3 years in a lead role
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        NEW
        A Webmethods Developer is required who is a British National and eligible for SC clearance, for an initial 6 month contract. This role is remote with any travel to site fully expensed and is inside IR35 so will require working via an FCSA accredited umbrella company. *Experienced WebMethods developer *Axway API gateway experience. *Experience of technical design, dev and testing support for new integrations across a range of systems. Due to the nature and urgency of this post, candidates holding or who have held high level security clearance in the past are most welcome to apply. Please note successful applicants will be required to be security cleared prior to appointment which can take up to a minimum 10 weeks.
        A Webmethods Developer is required who is a British National and eligible for SC clearance, for an initial 6 month contract. This role is remote with any travel to site fully expensed and is inside IR35 so will require working via an FCSA accredited umbrella company. *Experienced WebMethods developer *Axway API gateway experience. *Experience of technical design, dev and testing support for new integrations across a range of systems. Due to the nature and urgency of this post, candidates holding or who have held high level security clearance in the past are most welcome to apply. Please note successful applicants will be required to be security cleared prior to appointment which can take up to a minimum 10 weeks.
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        NEW
        Location: Remote (Occasional visits to Warrington) Contract: Inside IR35 Day rate: £550 per day Duration: 6 months+ Start date: ASAP however will consider candidates on a notice period. Clearence: Eligible for Security Clearance (sole UK nationals) but can start on a BPSS We have a fantastic opportunity for an Engineer with a strong background in Bentley Projectwise platforms. The Client is a Global Consultancy whom specialising in providing engineering, technical, professional and construction solutions. This role will support infrastructure readiness, data governance, and automation across project planning and engineering document management systems. The ideal candidate will bridge project controls with engineering systems to drive consistency, reliability, and cross-system optimization. Key Responsibilities:?
        Location: Remote (Occasional visits to Warrington) Contract: Inside IR35 Day rate: £550 per day Duration: 6 months+ Start date: ASAP however will consider candidates on a notice period. Clearence: Eligible for Security Clearance (sole UK nationals) but can start on a BPSS We have a fantastic opportunity for an Engineer with a strong background in Bentley Projectwise platforms. The Client is a Global Consultancy whom specialising in providing engineering, technical, professional and construction solutions. This role will support infrastructure readiness, data governance, and automation across project planning and engineering document management systems. The ideal candidate will bridge project controls with engineering systems to drive consistency, reliability, and cross-system optimization. Key Responsibilities:?
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        NEW
        A cryptography and PKI Expert is required for an initial 6 month contract. this is a hybrid role with some on site in London and is inside IR35 so will require working via an FCSA accredited umbrella company. *5+ years in applied cryptography, PKI operations, or cryptographic engineering roles *Expert-level knowledge of symmetric and asymmetric algorithms (AES, RSA, ECC, EdDSA, SHA-2/3, HKDF, HMAC) *Experience designing and maintaining scalable PKI architectures (MS ADCS, EJBCA, Venafi, HashiCorp Vault, or similar) *Deep understanding of TLS/SSL, certificate pinning, mutual TLS (mTLS), and secure session negotiation *Proficiency with HSMs and key lifecycle tools (e.g., Thales, AWS CloudHSM, Azure HSM, Utimaco) *Hands-on with certificate automation protocols (ACME, EST), and tools like Certbot, Smallstep, or Vault PKI
        A cryptography and PKI Expert is required for an initial 6 month contract. this is a hybrid role with some on site in London and is inside IR35 so will require working via an FCSA accredited umbrella company. *5+ years in applied cryptography, PKI operations, or cryptographic engineering roles *Expert-level knowledge of symmetric and asymmetric algorithms (AES, RSA, ECC, EdDSA, SHA-2/3, HKDF, HMAC) *Experience designing and maintaining scalable PKI architectures (MS ADCS, EJBCA, Venafi, HashiCorp Vault, or similar) *Deep understanding of TLS/SSL, certificate pinning, mutual TLS (mTLS), and secure session negotiation *Proficiency with HSMs and key lifecycle tools (e.g., Thales, AWS CloudHSM, Azure HSM, Utimaco) *Hands-on with certificate automation protocols (ACME, EST), and tools like Certbot, Smallstep, or Vault PKI
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        NEW

        Full Stack Developer

        Home-Made UK Properties Limited T/A Home Made
        UK
        Competitive
        About the Role We are seeking our first Full Stack Developer to join our product team! At Home Made we are building a better way to rent. A leading provider for Build to Rent developments across the UK. A focus on utilising technology to make renting better, safer and fairer for all. Your goal is to help upgrade and ultimately bring the rental experience for both landlords and renters into the 21st century. You'll play a pivotal role in maintaining our existing systems whilst also building and scaling. To succeed with our ambitious goals, we need excellent technical people who are excited by a challenge, and who arent afraid to get stuck into things, in and out of their comfort zone. Salary: Depending on experience Work Location: Southwark, London - we offer hybrid working for this role Development & Enhancement
        About the Role We are seeking our first Full Stack Developer to join our product team! At Home Made we are building a better way to rent. A leading provider for Build to Rent developments across the UK. A focus on utilising technology to make renting better, safer and fairer for all. Your goal is to help upgrade and ultimately bring the rental experience for both landlords and renters into the 21st century. You'll play a pivotal role in maintaining our existing systems whilst also building and scaling. To succeed with our ambitious goals, we need excellent technical people who are excited by a challenge, and who arent afraid to get stuck into things, in and out of their comfort zone. Salary: Depending on experience Work Location: Southwark, London - we offer hybrid working for this role Development & Enhancement
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        NEW

        Assistant Engineer

        Oceaneering international Services Limited
        UK
        Competitive
        Company Profile Oceaneering is a global provider of engineered services and products, primarily to the offshore energy industry. We develop products and services for use throughout the lifecycle of an offshore oilfield, from drilling to decommissioning. We operate the world's premier fleet of work class ROVs. Additionally, we are a leader in offshore oilfield maintenance services, umbilicals, subsea hardware, and tooling. We also use applied technology expertise to serve the defense, entertainment, material handling, aerospace, science, and renewable energy industries. Position Summary ** This role is a Part Time Position working 22.5 hours per week over 3 days and is offered on a fixed term basis for 18 months**
        Company Profile Oceaneering is a global provider of engineered services and products, primarily to the offshore energy industry. We develop products and services for use throughout the lifecycle of an offshore oilfield, from drilling to decommissioning. We operate the world's premier fleet of work class ROVs. Additionally, we are a leader in offshore oilfield maintenance services, umbilicals, subsea hardware, and tooling. We also use applied technology expertise to serve the defense, entertainment, material handling, aerospace, science, and renewable energy industries. Position Summary ** This role is a Part Time Position working 22.5 hours per week over 3 days and is offered on a fixed term basis for 18 months**
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        NEW
        Responsibilities * Develop and maintain server-side applications using the MERN stack. * Design, implement, and optimize RESTful API endpoints to support client-side functionality. * Integrate with third-party APIs for additional features. * Ensure the reliability, scalability, and security of back-end systems. * Write clean, maintainable, and efficient code following best practices. * Write unit and functional test cases to ensure system robustness. * Debug and troubleshoot back-end issues across development, staging, and production environments. * Stay up-to-date with emerging technologies, frameworks, and best practices in Node.js development. * Maintain proper documentation of code and processes. * Collaborate with DevOps and cloud platforms (e.g., AWS, Azure, GCP) to deploy, monitor, and manage applications. Role Requirements
        Responsibilities * Develop and maintain server-side applications using the MERN stack. * Design, implement, and optimize RESTful API endpoints to support client-side functionality. * Integrate with third-party APIs for additional features. * Ensure the reliability, scalability, and security of back-end systems. * Write clean, maintainable, and efficient code following best practices. * Write unit and functional test cases to ensure system robustness. * Debug and troubleshoot back-end issues across development, staging, and production environments. * Stay up-to-date with emerging technologies, frameworks, and best practices in Node.js development. * Maintain proper documentation of code and processes. * Collaborate with DevOps and cloud platforms (e.g., AWS, Azure, GCP) to deploy, monitor, and manage applications. Role Requirements
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        What is the average salary for API in Cardiff?

        Average salary per year
        £42,499

        The average salary for a API in Cardiff is £42,499. API in Cardiff salaries range from £32,499 to £55,000.

        Frequently Asked Questions

        How many contract API jobs are there in Cardiff?
        There are 1 contract API jobs within 20 miles of Cardiff available on Jobsite right now.

        What other similar jobs are there to contract API jobs in Cardiff?
        As well as contract API jobs in Cardiff, you can find contract IT, Software Development, Infrastructure, amongst many others.