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        9 Contract API jobs in Chesterfield + 20 miles

        175 exact matches jobs are outside your preferred location

        Service Systems Specialist

        METTLER TOLEDO LIMITED
        Leicester, Leicestershire
        Competitive
        Our Opening and Your Responsibilities Are you ready to take on a dynamic and evolving role within a leading company? We are seeking a highly motivated and skilled Service Systems Specialist to join our Service Division and provide vital support across all divisions for software and technical applications. * Promote and actively engage in expanding our Software Care contracts to contribute to business growth. * Plan, develop methods, and implement software/application projects, gaining knowledge of core applications used by other divisions to provide comprehensive project services. * Train end-user customers on application usage to ensure seamless adoption. * Configure applications tailored to meet customer requirements.
        Our Opening and Your Responsibilities Are you ready to take on a dynamic and evolving role within a leading company? We are seeking a highly motivated and skilled Service Systems Specialist to join our Service Division and provide vital support across all divisions for software and technical applications. * Promote and actively engage in expanding our Software Care contracts to contribute to business growth. * Plan, develop methods, and implement software/application projects, gaining knowledge of core applications used by other divisions to provide comprehensive project services. * Train end-user customers on application usage to ensure seamless adoption. * Configure applications tailored to meet customer requirements.
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        We prefer to hire directly and we will be in touch with our PSL Agencies if this role is eligible for release. We do not accept speculative CVs from agencies. If speculative CVs are sent, no fee will be applicable please direct all queries to the relevant Resourcing Partner. An opportunity has arisen for a Senior Cloud Infrastructure Engineer to join the team at Galliford Try within our Group Services Business. Ideally, you will based in or around the Hinkley area and will have opportunity to travel within the region. We are seeking a highly capable and self-driven 3rd line support engineer with deep expertise in Microsoft 365, particularly SharePoint Online development and ideally Microsoft Purview configuration. This role is critical to the stability, security, and evolution of our digital workplace services.
        We prefer to hire directly and we will be in touch with our PSL Agencies if this role is eligible for release. We do not accept speculative CVs from agencies. If speculative CVs are sent, no fee will be applicable please direct all queries to the relevant Resourcing Partner. An opportunity has arisen for a Senior Cloud Infrastructure Engineer to join the team at Galliford Try within our Group Services Business. Ideally, you will based in or around the Hinkley area and will have opportunity to travel within the region. We are seeking a highly capable and self-driven 3rd line support engineer with deep expertise in Microsoft 365, particularly SharePoint Online development and ideally Microsoft Purview configuration. This role is critical to the stability, security, and evolution of our digital workplace services.
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        Role Technology Architect/ Senior Technology Architect Technology Angular / .NET Core microservices / SwiftUI (iOS) and Jetpack Compose (Android) Location Leeds Job Description At Infosys, we assure that your career will never stand still, we will inspire you to build whats next and we will navigate further together. Our journey of learnability, values and trusted relationships with our clients continue to be the cornerstones of our organization and these values are upheld only because of our people. Your role In the role of Technology Architect / Senior Technology Architect, you will interface with key stakeholders and apply your technical proficiency across different stages of the Software Development Life Cycle including Requirements Elicitation, Application Architecture definition and Design.
        Role Technology Architect/ Senior Technology Architect Technology Angular / .NET Core microservices / SwiftUI (iOS) and Jetpack Compose (Android) Location Leeds Job Description At Infosys, we assure that your career will never stand still, we will inspire you to build whats next and we will navigate further together. Our journey of learnability, values and trusted relationships with our clients continue to be the cornerstones of our organization and these values are upheld only because of our people. Your role In the role of Technology Architect / Senior Technology Architect, you will interface with key stakeholders and apply your technical proficiency across different stages of the Software Development Life Cycle including Requirements Elicitation, Application Architecture definition and Design.
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        About The Role FDM is a global business and technology consultancy seeking a ServiceNow Developer to work for our client within the public sector. This is initially a 24-month contract with the potential to extend and will be a hybrid role based in Manchester, Leeds, Newcastle or Blackpool. Our client is seeking a ServiceNow Developer with at least 2 years of hands-on experience to join their expanding team. This is an exciting opportunity for a motivated, detail-oriented professional to take the next step in their development journey within a collaborative and forward-thinking environment. As a ServiceNow Developer at FDM, you will play a key role in supporting the development, configuration, and ongoing maintenance of ServiceNow solutions across the business.
        About The Role FDM is a global business and technology consultancy seeking a ServiceNow Developer to work for our client within the public sector. This is initially a 24-month contract with the potential to extend and will be a hybrid role based in Manchester, Leeds, Newcastle or Blackpool. Our client is seeking a ServiceNow Developer with at least 2 years of hands-on experience to join their expanding team. This is an exciting opportunity for a motivated, detail-oriented professional to take the next step in their development journey within a collaborative and forward-thinking environment. As a ServiceNow Developer at FDM, you will play a key role in supporting the development, configuration, and ongoing maintenance of ServiceNow solutions across the business.
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        Senior Engineer Testing - 12M FTC

        TRANSUNION INTERNATIONAL UK LIMITED
        Leeds, West Yorkshire
        Competitive
        Leeds, United Kingdom Full time 2025-09-12 Posted Today 19037084 TransUnion's Job Applicant Privacy Notice We support organisations across a variety of sectors including finance, retail, telecommunications, utilities, gaming, government and insurance. We're looking for a Senior Test Engineer to join our growing team on a 12-month maternity cover contract. * Joining an established team responsible for our Web and batch tracing products. * Collaborating closely with database and software engineers to ensure timely delivery of high-quality outputs through both manual and automated testing. * Participating in Agile development ceremonies such as planning, task refinement, and retrospectives. * Building and maintaining strong relationships with stakeholders to support effective communication and delivery.
        Leeds, United Kingdom Full time 2025-09-12 Posted Today 19037084 TransUnion's Job Applicant Privacy Notice We support organisations across a variety of sectors including finance, retail, telecommunications, utilities, gaming, government and insurance. We're looking for a Senior Test Engineer to join our growing team on a 12-month maternity cover contract. * Joining an established team responsible for our Web and batch tracing products. * Collaborating closely with database and software engineers to ensure timely delivery of high-quality outputs through both manual and automated testing. * Participating in Agile development ceremonies such as planning, task refinement, and retrospectives. * Building and maintaining strong relationships with stakeholders to support effective communication and delivery.
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        About The Role FDM is a global business and technology consultancy seeking a Senior Android Developer to work for our client within the Finance sector. This is initially a 12-month contract with the potential to extend and will be a hybrid role based in Leeds. Our client is seeking talented and self-motivated Senior Android Engineer to join their growing mobile engineering team. This is a great opportunity to play a key role in building secure, resilient, and high-quality Android applications used by millions of customers. Youll be part of a wider engineering community that values continuous learning, collaboration, and clean, efficient code. Working alongside product, strategy, and UX/UI design teams, youll help shape robust mobile solutions while mentoring and supporting the growth of less experienced developers.
        About The Role FDM is a global business and technology consultancy seeking a Senior Android Developer to work for our client within the Finance sector. This is initially a 12-month contract with the potential to extend and will be a hybrid role based in Leeds. Our client is seeking talented and self-motivated Senior Android Engineer to join their growing mobile engineering team. This is a great opportunity to play a key role in building secure, resilient, and high-quality Android applications used by millions of customers. Youll be part of a wider engineering community that values continuous learning, collaboration, and clean, efficient code. Working alongside product, strategy, and UX/UI design teams, youll help shape robust mobile solutions while mentoring and supporting the growth of less experienced developers.
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        Description At Xe, we live currencies. We provide a comprehensive range of currency services and products, including our Currency Converter, Market Analysis, Currency Data API and quick, easy, secure Money Transfers for individuals and businesses. Last year, we helped over 300 million people access information about the currencies that matter to them and over 225,000 people used us to send money overseas. We are looking for several energetic and ambitious mid and senior full-stack developers to join a brand-new team to tasked with channelling many more new customers through our FX trading platform. Your team will be expected to build and own a brand-new mobile app and web over a common trading API.
        Description At Xe, we live currencies. We provide a comprehensive range of currency services and products, including our Currency Converter, Market Analysis, Currency Data API and quick, easy, secure Money Transfers for individuals and businesses. Last year, we helped over 300 million people access information about the currencies that matter to them and over 225,000 people used us to send money overseas. We are looking for several energetic and ambitious mid and senior full-stack developers to join a brand-new team to tasked with channelling many more new customers through our FX trading platform. Your team will be expected to build and own a brand-new mobile app and web over a common trading API.
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        Lead Engineer

        Journey Further
        Leeds, West Yorkshire
        £55,000 - £60,000 a year
        What you will do * Collaborate with stakeholders to gather requirements, translate them into scalable software solutions and present solution proposals * Architect, develop and maintain web applications using Modern (ESM) Javascript, HTML, CSS and ReactJS * Design and implement server-side logic using TypeScript and NodeJS, ensuring performance and maintainability * Utilise TailwindCSS and NextJS for front-end development in functional React components * Define database schemas and integrate with any database technology in use. * Implement authentication, REST APIs and enforce security principles throughout the stack * Establish and optimise DevOps practices, including logging and monitoring tools to ensure system reliability and performance * Configure and refine CI/CD pipelines for automated testing, integration and deployment workflows
        What you will do * Collaborate with stakeholders to gather requirements, translate them into scalable software solutions and present solution proposals * Architect, develop and maintain web applications using Modern (ESM) Javascript, HTML, CSS and ReactJS * Design and implement server-side logic using TypeScript and NodeJS, ensuring performance and maintainability * Utilise TailwindCSS and NextJS for front-end development in functional React components * Define database schemas and integrate with any database technology in use. * Implement authentication, REST APIs and enforce security principles throughout the stack * Establish and optimise DevOps practices, including logging and monitoring tools to ensure system reliability and performance * Configure and refine CI/CD pipelines for automated testing, integration and deployment workflows
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        About THG Ingenuity THG Ingenuity is a fully integrated digital commerce ecosystem, designed to power brands without limits. Our global end-to-end tech platform is comprised of three products: THG Commerce, THG Studios, THG Fulfilment. Each represents a single, unified solution, overcoming challenges and taking brands direct-to-consumer. Our client portfolio includes globally recognised brands such as Coca-Cola, Nestle, Elemis, Homebase, and Proctor & Gamble. As a Senior Software Engineer in our engineering team, you will play a key role in designing, developing, and delivering scalable microservices within THG Ingenuity's ecommerce platform. Leveraging modern technologies, predominantly Java 21, you will work as part of an agile team to architect and build highly available, distributed systems that are critical to the business.
        About THG Ingenuity THG Ingenuity is a fully integrated digital commerce ecosystem, designed to power brands without limits. Our global end-to-end tech platform is comprised of three products: THG Commerce, THG Studios, THG Fulfilment. Each represents a single, unified solution, overcoming challenges and taking brands direct-to-consumer. Our client portfolio includes globally recognised brands such as Coca-Cola, Nestle, Elemis, Homebase, and Proctor & Gamble. As a Senior Software Engineer in our engineering team, you will play a key role in designing, developing, and delivering scalable microservices within THG Ingenuity's ecommerce platform. Leveraging modern technologies, predominantly Java 21, you will work as part of an agile team to architect and build highly available, distributed systems that are critical to the business.
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        Senior QA Engineer

        Mimecast Services Limited
        York, North Yorkshire
        £76,000 - £114,000 a year
        Senior Software Development Engineer in Test Unleash Innovation with Mimecast! Join the momentum behind our award-winning platform at Mimecast! Embark on a journey with our Governance, Compliance, and Insights (GCI) and Threat Reporting and Response (TRR) engineering teams. As a vital part of Quality Engineering, you'll play a key role in elevating the quality of our archiving and security software. Together, were harnessing cutting-edge solutions that empower our customers to master Human Risk Management on an unprecedented scale. Dive in and be part of the future! Why Join Our Team? If you have a passion for creatively addressing complex challenges and wish to implement innovative solutions to develop and scale reliable, high-performing software in both private and public cloud environments, then the GCI and TRR teams are the perfect fit for you.
        Senior Software Development Engineer in Test Unleash Innovation with Mimecast! Join the momentum behind our award-winning platform at Mimecast! Embark on a journey with our Governance, Compliance, and Insights (GCI) and Threat Reporting and Response (TRR) engineering teams. As a vital part of Quality Engineering, you'll play a key role in elevating the quality of our archiving and security software. Together, were harnessing cutting-edge solutions that empower our customers to master Human Risk Management on an unprecedented scale. Dive in and be part of the future! Why Join Our Team? If you have a passion for creatively addressing complex challenges and wish to implement innovative solutions to develop and scale reliable, high-performing software in both private and public cloud environments, then the GCI and TRR teams are the perfect fit for you.
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        We are seeking a Senior Application Engineer with deep technical expertise and thought leadership. You will drive strategy for your area of expertise across teams and foster a developer community within your domain. The role involves mentoring junior staff, ensuring high-quality deliverables, promoting best practices like TDD and BDD, and leading engineering practices across the SDLC. Core Responsibilities * Provide advanced technical expertise in Backend Development, supporting the team with effective solutions and practical insights. * Participate in all phases of the Software Development Life Cycle (SDLC), including requirements gathering, development, deployment, and ongoing maintenance. * Demonstrate a commitment to keeping up with industry trends, emerging technologies, and best practices, actively applying them in your work.
        We are seeking a Senior Application Engineer with deep technical expertise and thought leadership. You will drive strategy for your area of expertise across teams and foster a developer community within your domain. The role involves mentoring junior staff, ensuring high-quality deliverables, promoting best practices like TDD and BDD, and leading engineering practices across the SDLC. Core Responsibilities * Provide advanced technical expertise in Backend Development, supporting the team with effective solutions and practical insights. * Participate in all phases of the Software Development Life Cycle (SDLC), including requirements gathering, development, deployment, and ongoing maintenance. * Demonstrate a commitment to keeping up with industry trends, emerging technologies, and best practices, actively applying them in your work.
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        Job Title: Zscaler SME Duration: 6 weeks Location: Remote Rate: £500 per day - PAYE via Umbrella Role Summary Cloud Security Expertise: Deep understanding of Zscaler's Zero Trust Exchange, including ZIA (Zscaler Internet Access), ZPA (Zscaler Private Access), and ZDX (Zscaler Digital Experience). * Network Architecture Knowledge: Ability to design and optimise secure network architectures using Zscaler in hybrid or cloud-first environments. * Policy & Access Control Design: Skilled in crafting granular security policies, segmentation strategies, and identity-based access controls. * Troubleshooting & Performance Tuning: Proficient in diagnosing traffic flow issues, latency, and user experience problems across Zscaler services.
        Job Title: Zscaler SME Duration: 6 weeks Location: Remote Rate: £500 per day - PAYE via Umbrella Role Summary Cloud Security Expertise: Deep understanding of Zscaler's Zero Trust Exchange, including ZIA (Zscaler Internet Access), ZPA (Zscaler Private Access), and ZDX (Zscaler Digital Experience). * Network Architecture Knowledge: Ability to design and optimise secure network architectures using Zscaler in hybrid or cloud-first environments. * Policy & Access Control Design: Skilled in crafting granular security policies, segmentation strategies, and identity-based access controls. * Troubleshooting & Performance Tuning: Proficient in diagnosing traffic flow issues, latency, and user experience problems across Zscaler services.
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        PREMIUM
        Remote, with occasional London travel £450 to £500 p/d - Inside IR35 3-month initial contract (Immediate start) iO Associates is partnered with a Software Development Consultancy delivering key Public Sector projects. We're looking for Front-End Developers (React and Angular) with a track record of working in Government, Council, or wider Public Sector environments. * Strong hands-on experience with React and Angular * Solid understanding of core web development (HTML, CSS, JavaScript, APIs) * Previous experience delivering solutions within Gov / Council / Public Sector projects * Ability to work in an agile, collaborative environment If this sounds like you, drop me a DM or send your CV directly.
        Remote, with occasional London travel £450 to £500 p/d - Inside IR35 3-month initial contract (Immediate start) iO Associates is partnered with a Software Development Consultancy delivering key Public Sector projects. We're looking for Front-End Developers (React and Angular) with a track record of working in Government, Council, or wider Public Sector environments. * Strong hands-on experience with React and Angular * Solid understanding of core web development (HTML, CSS, JavaScript, APIs) * Previous experience delivering solutions within Gov / Council / Public Sector projects * Ability to work in an agile, collaborative environment If this sounds like you, drop me a DM or send your CV directly.
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        NEWFEATURED
        Machine Learning Engineer - LLMs / Generative AI We're working with a pioneering tech organisation driving the next wave of generative AI. They're seeking a Machine Learning Engineer to help transform cutting-edge research into production-grade systems. * Designing and scaling infrastructure, workflows, and tools to power Large Language Models (LLMs). * Partnering with researchers to overcome challenges in agent-generated code. * Building frameworks for annotation, training, and model development at scale. * 4+ years' experience in ML/AI (LLMs, recommender systems, data mining, or similar). * Proven hands-on work with LLM agents / generative AI. * Strong coding in Python with PyTorch / TensorFlow. * Advanced debugging, experimentation, and optimisation skills. * Master's or PhD in Computer Science, AI, ML, or related field.
        Machine Learning Engineer - LLMs / Generative AI We're working with a pioneering tech organisation driving the next wave of generative AI. They're seeking a Machine Learning Engineer to help transform cutting-edge research into production-grade systems. * Designing and scaling infrastructure, workflows, and tools to power Large Language Models (LLMs). * Partnering with researchers to overcome challenges in agent-generated code. * Building frameworks for annotation, training, and model development at scale. * 4+ years' experience in ML/AI (LLMs, recommender systems, data mining, or similar). * Proven hands-on work with LLM agents / generative AI. * Strong coding in Python with PyTorch / TensorFlow. * Advanced debugging, experimentation, and optimisation skills. * Master's or PhD in Computer Science, AI, ML, or related field.
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        PREMIUM
        About the role We are looking for an experienced Search Relevance Engineer to help shape and optimise the search experience for millions of users. This role sits at the intersection of engineering and data science, focusing on search relevancy, ranking models, and query understanding. You will work closely with Product, Engineering, DevOps, and Data teams to design and deliver strategic projects that directly impact customer experience. What youll be doing * Fine-tuning keyword search (including BM25), query expansion, and retrieval methods (ANN dense retrieval, sparse retrieval, semantic search). * Applying techniques such as entity/name density recognition, query understanding, query rescorers, and learning-to-rank models. * Experimenting with embeddings and vector search to improve personalisation and semantic relevance.
        About the role We are looking for an experienced Search Relevance Engineer to help shape and optimise the search experience for millions of users. This role sits at the intersection of engineering and data science, focusing on search relevancy, ranking models, and query understanding. You will work closely with Product, Engineering, DevOps, and Data teams to design and deliver strategic projects that directly impact customer experience. What youll be doing * Fine-tuning keyword search (including BM25), query expansion, and retrieval methods (ANN dense retrieval, sparse retrieval, semantic search). * Applying techniques such as entity/name density recognition, query understanding, query rescorers, and learning-to-rank models. * Experimenting with embeddings and vector search to improve personalisation and semantic relevance.
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        One of our leading clients is looking to recruit a UI Engineer / Developer / Front End Developer / Software Engineer. Location remote Duration 6 months Experience in a UI Engineer / Software Engineer / Front End Developer / Angular Developer role Angular experience essential Building and maintaining responsive and accessible interfaces at scale Familiarity with state management libraries (e.g., Redux, Zustand) and component-based architectures Solid understanding of web performance optimisation, testing (unit, integration, and end-to-end), and cross-browser compatibility Collaborate with UX designers and product teams to translate design wireframes and prototypes into working front-end components Ensure a consistent look and feel across all digital products through the implementation and maintenance of a shared design system.
        One of our leading clients is looking to recruit a UI Engineer / Developer / Front End Developer / Software Engineer. Location remote Duration 6 months Experience in a UI Engineer / Software Engineer / Front End Developer / Angular Developer role Angular experience essential Building and maintaining responsive and accessible interfaces at scale Familiarity with state management libraries (e.g., Redux, Zustand) and component-based architectures Solid understanding of web performance optimisation, testing (unit, integration, and end-to-end), and cross-browser compatibility Collaborate with UX designers and product teams to translate design wireframes and prototypes into working front-end components Ensure a consistent look and feel across all digital products through the implementation and maintenance of a shared design system.
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        Cybersecurity Incident Response Specialist - CONTRACT OPPORTUNITY * Remote with occasional trips to London (not expensed). * £750.00 per day. * 6 months. * ASAP start, ASAP interviews. * Right to work in the UK mandatory. The Cybersecurity Incident Response Specialist will be responsible for investigating, analysing and providing specialist expertise for the resolution of security incidents / attacks aimed at the client. Support the long-term strategic goals of Cyber Operations pillar support Senior Analysts and Analysts in managing incidents and liaise with SOC engineers to ensure appropriate security measures, technologies and processes are in place to avoid reoccurrence of incidents. * Demonstrate an ability to understand in detail how an incident has occurred without relying on alerts (e.g., reviewing logs and threat intelligence data).
        Cybersecurity Incident Response Specialist - CONTRACT OPPORTUNITY * Remote with occasional trips to London (not expensed). * £750.00 per day. * 6 months. * ASAP start, ASAP interviews. * Right to work in the UK mandatory. The Cybersecurity Incident Response Specialist will be responsible for investigating, analysing and providing specialist expertise for the resolution of security incidents / attacks aimed at the client. Support the long-term strategic goals of Cyber Operations pillar support Senior Analysts and Analysts in managing incidents and liaise with SOC engineers to ensure appropriate security measures, technologies and processes are in place to avoid reoccurrence of incidents. * Demonstrate an ability to understand in detail how an incident has occurred without relying on alerts (e.g., reviewing logs and threat intelligence data).
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        NEW
        SC Cleared Blue Prism Developer - 6 months - circa £500 a day INSIDE IR35 - Remote We are looking for an SC Cleared BluePrism Developer to work within the Central Government sector Looking for an experienced Automation developer. 1. Must have SC clearance 2. Must have BluePrism Development experience 3. Ideally have experience in PowerAutomate/APIs development 4. Must be able to delivery independently, reporting to an automation lead but these automations will be theirs to own Please forward your profile for consideration Damia Group Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept our Data Protection Policy which can be found on our website.
        SC Cleared Blue Prism Developer - 6 months - circa £500 a day INSIDE IR35 - Remote We are looking for an SC Cleared BluePrism Developer to work within the Central Government sector Looking for an experienced Automation developer. 1. Must have SC clearance 2. Must have BluePrism Development experience 3. Ideally have experience in PowerAutomate/APIs development 4. Must be able to delivery independently, reporting to an automation lead but these automations will be theirs to own Please forward your profile for consideration Damia Group Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept our Data Protection Policy which can be found on our website.
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        Role: Power Platform Engineer Location: Birmingham (Hybrid 3 Days Average In-Office Weekly) Salary: £35,000 - £45,000 Contract: Fixed-Term (3 Years) Network IT is recruiting for a Power Platform Engineer to join a reputable organisation who are undertaking a significant programme to play a key role in driving automation and digital transformation. This is a 3-year fixed term contract, offering the opportunity to design and deliver solutions that enhance efficiency, streamline processes, and improve user experience across a large, complex organisation. Were looking for someone with excellent interpersonal skills and the enthusiasm to develop and embed themselves in Power Platform and Automation technologies, always seeking to be at the cusp of innovation.
        Role: Power Platform Engineer Location: Birmingham (Hybrid 3 Days Average In-Office Weekly) Salary: £35,000 - £45,000 Contract: Fixed-Term (3 Years) Network IT is recruiting for a Power Platform Engineer to join a reputable organisation who are undertaking a significant programme to play a key role in driving automation and digital transformation. This is a 3-year fixed term contract, offering the opportunity to design and deliver solutions that enhance efficiency, streamline processes, and improve user experience across a large, complex organisation. Were looking for someone with excellent interpersonal skills and the enthusiasm to develop and embed themselves in Power Platform and Automation technologies, always seeking to be at the cusp of innovation.
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        NEWFEATURED

        R&D Engineer - Remote

        MailerLite
        UK
        From £37,000 to £63,000 per annum (renumeration is paid in USD)
        MailerLiteis one of the fastest-growing email marketing services. We help more than 1 million businesses around the world stay in touch with their customers. Today, we are a team of more than 170 dreamers, adventurers, and world travelers passionate about what we do and what we believe in. And we are ready for another talented person to join the party. We are looking for a hands-on and curiousR&D Engineerto help us accelerate the innovation at MailerLite. You will work directly with the CTO on early-stage ideas, involving rapid prototyping of new features and exploring cutting-edge techfrom MCPs to AI-powered workflows. This is not a slow-moving roleit is a high velocity position where speed, creativity and curiosity are key. Join us now! Wondering why we think youll love working for MailerLite? * Work directly with the CTO on high-impact and high-visibility projects
        MailerLiteis one of the fastest-growing email marketing services. We help more than 1 million businesses around the world stay in touch with their customers. Today, we are a team of more than 170 dreamers, adventurers, and world travelers passionate about what we do and what we believe in. And we are ready for another talented person to join the party. We are looking for a hands-on and curiousR&D Engineerto help us accelerate the innovation at MailerLite. You will work directly with the CTO on early-stage ideas, involving rapid prototyping of new features and exploring cutting-edge techfrom MCPs to AI-powered workflows. This is not a slow-moving roleit is a high velocity position where speed, creativity and curiosity are key. Join us now! Wondering why we think youll love working for MailerLite? * Work directly with the CTO on high-impact and high-visibility projects
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        NEW
        My client is a global leading IT consultancy. They are on the hunt for a proactive SuiteCRM Developer to join a public sector client of theirs. You will be responsible for designing, developing, customizing, and maintaining CRM solutions built on the SuiteCRM platform. * Develop and customize modules, workflows, and plug-ins in SuiteCRM to meet business requirements. * Implement new features and maintain existing functionality with a focus on performance and scalability. * Create and manage REST/SOAP API integrations with third-party systems. * Collaborate with cross-functional teams (e.g., business analysts, QA, UI/UX designers) to translate requirements into technical solutions. * Troubleshoot and resolve technical issues, bugs, and performance bottlenecks. * Maintain technical documentation for developed features and customizations.
        My client is a global leading IT consultancy. They are on the hunt for a proactive SuiteCRM Developer to join a public sector client of theirs. You will be responsible for designing, developing, customizing, and maintaining CRM solutions built on the SuiteCRM platform. * Develop and customize modules, workflows, and plug-ins in SuiteCRM to meet business requirements. * Implement new features and maintain existing functionality with a focus on performance and scalability. * Create and manage REST/SOAP API integrations with third-party systems. * Collaborate with cross-functional teams (e.g., business analysts, QA, UI/UX designers) to translate requirements into technical solutions. * Troubleshoot and resolve technical issues, bugs, and performance bottlenecks. * Maintain technical documentation for developed features and customizations.
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        Were looking for a Principal Python Engineer for a leading and scaling Telco business. This is a chance to combine hands-on coding with technical leadership. * Leading the design and development of robust, scalable Python applications * Setting technical direction and best practices for the engineering team * Collaborating with product managers, engineers, and stakeholders to deliver high-quality solutions * Mentoring and supporting engineers, helping raise the overall technical bar * Driving innovation, architecture decisions, and adoption of modern engineering practices * Extensive experience building complex applications in Python * Strong knowledge of modern frameworks (e.g., Django, FastAPI, Flask) * Experience with cloud platforms (AWS, GCP, or Azure) and scalable architectures * Strong understanding of APIs, microservices, and distributed systems
        Were looking for a Principal Python Engineer for a leading and scaling Telco business. This is a chance to combine hands-on coding with technical leadership. * Leading the design and development of robust, scalable Python applications * Setting technical direction and best practices for the engineering team * Collaborating with product managers, engineers, and stakeholders to deliver high-quality solutions * Mentoring and supporting engineers, helping raise the overall technical bar * Driving innovation, architecture decisions, and adoption of modern engineering practices * Extensive experience building complex applications in Python * Strong knowledge of modern frameworks (e.g., Django, FastAPI, Flask) * Experience with cloud platforms (AWS, GCP, or Azure) and scalable architectures * Strong understanding of APIs, microservices, and distributed systems
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        NEW
        Day Rate: £500 - £700 Duration: 6 months IR35: Outside Scope Overview Are you a talented Software Developer eager to take on exciting project-based work with leading organisations? We are seeking skilled developers for multiple contract opportunities across various sectors, including tech, finance, and healthcare. * Engage in diverse and challenging projects, delivering immediate value to clients while enhancing your technical skills. * Collaborate with innovative teams to design and implement robust software solutions that meet business needs. * Experience the flexibility of contract work, allowing you to choose projects that align with your expertise and career goals. These contract roles are ideal for developers looking to make an impact quickly and explore different industries while enjoying the freedom of flexible assignments. Key Skills
        Day Rate: £500 - £700 Duration: 6 months IR35: Outside Scope Overview Are you a talented Software Developer eager to take on exciting project-based work with leading organisations? We are seeking skilled developers for multiple contract opportunities across various sectors, including tech, finance, and healthcare. * Engage in diverse and challenging projects, delivering immediate value to clients while enhancing your technical skills. * Collaborate with innovative teams to design and implement robust software solutions that meet business needs. * Experience the flexibility of contract work, allowing you to choose projects that align with your expertise and career goals. These contract roles are ideal for developers looking to make an impact quickly and explore different industries while enjoying the freedom of flexible assignments. Key Skills
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        Job Title: Senior Frontend Developer Location Remote working with Occasional trips to client site London. Rate: Inside IR35 £650.00 Must hold: Active SC Clearance We are seeking a highly skilled and motivated Senior Frontend Developer to join our dynamic team. In this role, you will undertake a period of knowledge transfer with the existing team to ensure a seamless integration into our development processes. You will utilise JIRA to report progress on allocated development tasks and actively participate in sprint ceremonies, including daily stand-ups, sprint planning, refinement, retrospectives, reviews, and demos. Your responsibilities will include raising blockers and issues to the Scrum Master and collaborating with other scrum teams to coordinate changes while sharing best practises.
        Job Title: Senior Frontend Developer Location Remote working with Occasional trips to client site London. Rate: Inside IR35 £650.00 Must hold: Active SC Clearance We are seeking a highly skilled and motivated Senior Frontend Developer to join our dynamic team. In this role, you will undertake a period of knowledge transfer with the existing team to ensure a seamless integration into our development processes. You will utilise JIRA to report progress on allocated development tasks and actively participate in sprint ceremonies, including daily stand-ups, sprint planning, refinement, retrospectives, reviews, and demos. Your responsibilities will include raising blockers and issues to the Scrum Master and collaborating with other scrum teams to coordinate changes while sharing best practises.
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        Snaplogic Developer

        Hollborn Recruitment Ltd
        UK
        £350 per day as per market standards
        Job Title: Software Engineer Job Type: Contract Location: Remote Key Responsibilities Gather and analyze integration requirements and translate them into SnapLogic solutions. Design, develop, and maintain SnapLogic pipelines for diverse integration needs. Deploy, test, and optimize integration workflows for efficiency and reliability. Manage error handling, logging, and monitoring of pipelines. Ensure best practices are followed in development and deployment processes. Work closely with stakeholders, cross-functional teams, and business users to deliver solutions on time. Provide ongoing support, troubleshooting, and enhancements for existing integrations. Required Qualifications Proven experience as a SnapLogic Developer/Engineer. Strong expertise in SnapLogic pipeline design, integration patterns, and deployment.
        Job Title: Software Engineer Job Type: Contract Location: Remote Key Responsibilities Gather and analyze integration requirements and translate them into SnapLogic solutions. Design, develop, and maintain SnapLogic pipelines for diverse integration needs. Deploy, test, and optimize integration workflows for efficiency and reliability. Manage error handling, logging, and monitoring of pipelines. Ensure best practices are followed in development and deployment processes. Work closely with stakeholders, cross-functional teams, and business users to deliver solutions on time. Provide ongoing support, troubleshooting, and enhancements for existing integrations. Required Qualifications Proven experience as a SnapLogic Developer/Engineer. Strong expertise in SnapLogic pipeline design, integration patterns, and deployment.
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        Frequently Asked Questions

        How many contract API jobs are there in Chesterfield?
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