Date posted
Commute time
Locations
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Locations
Locations
Salaries
Date posted
Type of Company
Job types
Locations
- The City, City (EC4)
- Grazeley
- Harmondsworth
- Ireland
- Lambeth
- Paddington
- Soho
- St James
- The City, City (EC2)
- Tower Hill
- City of London
- Cambridge
- Central London
- West End
- Reading
- Abingdon
- Windsor
- North West London
- Rugby
- Spalding
- London
- Berkshire
- Cambridgeshire
- Hertfordshire
- Oxfordshire
- Bedfordshire
- Warwickshire
- Lincolnshire
- Buckinghamshire
- Leicestershire
- South East
- East Anglia
- Midlands
- East Midlands
- West Midlands
5 Contract API jobs in Keeley Green + 20 miles
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Job title- Payment Architect Location: Milton Keynes (2-3 days) Duration: 6 Months Job Description Santander UK is expanding its Payments Solution Architecture team. We are looking for senior level architects with deep experience in payments execution processing. These hires will support the modernisation of our payments estate and the migration of legacy platforms to the Payments Hub (PagoNxt). The individuals must have strong payments scheme knowledge, deep understanding of ISO 20022, and proven experience designing solutions for core payment processing. Payments domain expertise * Strong experience across payments execution processes such as orchestration, order management, clearing, settlement, reconciliations, exception handling and returns. * Practical scheme knowledge in at least several of the following: Bacs, Faster Payments, CHAPS, SWIFT, SEPA, cheques.
Job title- Payment Architect Location: Milton Keynes (2-3 days) Duration: 6 Months Job Description Santander UK is expanding its Payments Solution Architecture team. We are looking for senior level architects with deep experience in payments execution processing. These hires will support the modernisation of our payments estate and the migration of legacy platforms to the Payments Hub (PagoNxt). The individuals must have strong payments scheme knowledge, deep understanding of ISO 20022, and proven experience designing solutions for core payment processing. Payments domain expertise * Strong experience across payments execution processes such as orchestration, order management, clearing, settlement, reconciliations, exception handling and returns. * Practical scheme knowledge in at least several of the following: Bacs, Faster Payments, CHAPS, SWIFT, SEPA, cheques.
Job title- Payment Architect Location: Milton Keynes (2-3 days) Duration: 6 Months Job Description Santander UK is expanding its Payments Solution Architecture team. We are looking for senior level architects with deep experience in payments execution processing. These hires will support the modernisation of our payments estate and the migration of legacy platforms to the Payments Hub (PagoNxt). The individuals must have strong payments scheme knowledge, deep understanding of ISO 20022, and proven experience designing solutions for core payment processing. Payments domain expertise * Strong experience across payments execution processes such as orchestration, order management, clearing, settlement, reconciliations, exception handling and returns. * Practical scheme knowledge in at least several of the following: Bacs, Faster Payments, CHAPS, SWIFT, SEPA, cheques.
Job title- Payment Architect Location: Milton Keynes (2-3 days) Duration: 6 Months Job Description Santander UK is expanding its Payments Solution Architecture team. We are looking for senior level architects with deep experience in payments execution processing. These hires will support the modernisation of our payments estate and the migration of legacy platforms to the Payments Hub (PagoNxt). The individuals must have strong payments scheme knowledge, deep understanding of ISO 20022, and proven experience designing solutions for core payment processing. Payments domain expertise * Strong experience across payments execution processes such as orchestration, order management, clearing, settlement, reconciliations, exception handling and returns. * Practical scheme knowledge in at least several of the following: Bacs, Faster Payments, CHAPS, SWIFT, SEPA, cheques.
Job title- Payment Architect Location: Milton Keynes (2-3 days) Duration: 6 Months Job Description Santander UK is expanding its Payments Solution Architecture team. We are looking for senior level architects with deep experience in payments execution processing. These hires will support the modernisation of our payments estate and the migration of legacy platforms to the Payments Hub (PagoNxt). The individuals must have strong payments scheme knowledge, deep understanding of ISO 20022, and proven experience designing solutions for core payment processing. Payments domain expertise * Strong experience across payments execution processes such as orchestration, order management, clearing, settlement, reconciliations, exception handling and returns. * Practical scheme knowledge in at least several of the following: Bacs, Faster Payments, CHAPS, SWIFT, SEPA, cheques.
Job title- Payment Architect Location: Milton Keynes (2-3 days) Duration: 6 Months Job Description Santander UK is expanding its Payments Solution Architecture team. We are looking for senior level architects with deep experience in payments execution processing. These hires will support the modernisation of our payments estate and the migration of legacy platforms to the Payments Hub (PagoNxt). The individuals must have strong payments scheme knowledge, deep understanding of ISO 20022, and proven experience designing solutions for core payment processing. Payments domain expertise * Strong experience across payments execution processes such as orchestration, order management, clearing, settlement, reconciliations, exception handling and returns. * Practical scheme knowledge in at least several of the following: Bacs, Faster Payments, CHAPS, SWIFT, SEPA, cheques.
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Job Title: Simphony Consultant Job Type: Fixed term contract for 6months Location: Dunstable, UK (Hybrid 2-3days/week) Salary: GBP 70-75K/Annum * Expertise on Oracle Simphony, API knowledge, Knowledge of Product Limitations * Ability to set up configuration * IT project experience * Business analysis skills * Testing Skills * Experience of Production Support * Any coding skill/ scripting skill is good to have * Roll out / Deploy experience.
Job Title: Simphony Consultant Job Type: Fixed term contract for 6months Location: Dunstable, UK (Hybrid 2-3days/week) Salary: GBP 70-75K/Annum * Expertise on Oracle Simphony, API knowledge, Knowledge of Product Limitations * Ability to set up configuration * IT project experience * Business analysis skills * Testing Skills * Experience of Production Support * Any coding skill/ scripting skill is good to have * Roll out / Deploy experience.
Role/Job Title: Senior Engineer Work Location: Ireland The Role Media Client Services and Platform Engineering organizations are growing in Dublin! We're hiring software engineers at almost all levels to join a variety of teams across almost all of our domains content and playback services, commerce, identity, vehicle and device services. Our engineers are building the next generation of production services that power SiriusXM and Pandora, serving tens of millions of listeners across North America. Whether it's delivering high-throughput services, designing fault-tolerant systems, or accelerating internal developer productivity, our teams are tackling impactful technical challenges across the company. You'll contribute to these efforts while helping to shape the future of our architecture, development practices, and engineering culture.
Role/Job Title: Senior Engineer Work Location: Ireland The Role Media Client Services and Platform Engineering organizations are growing in Dublin! We're hiring software engineers at almost all levels to join a variety of teams across almost all of our domains content and playback services, commerce, identity, vehicle and device services. Our engineers are building the next generation of production services that power SiriusXM and Pandora, serving tens of millions of listeners across North America. Whether it's delivering high-throughput services, designing fault-tolerant systems, or accelerating internal developer productivity, our teams are tackling impactful technical challenges across the company. You'll contribute to these efforts while helping to shape the future of our architecture, development practices, and engineering culture.
478 exact matches jobs are outside your preferred location
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Senior API Technical Consultant (GraphQL Specialist)
Senior API Technical Consultant (GraphQL Specialist)
Staffworx Limited
Slough (SL1)
market rates, outside IR35, 2 days on site
Design and buildnext generation of high-scale SaaS platforms. We're looking for a senior/lead engineering consultant with deep expertise in GraphQL to take a leading role in developing our robust TypeScript/Node.js backend. You will be instrumental in shaping our technical direction, driving the evolution of our APIs, ensuring our services are resilient, scalable and secure within a cutting-edge, cloud-native environment (Helm, Kubernetes). The Deliverables * Design and buildsophisticated, scalable GraphQL APIs and backend services using TypeScript and Node.js. * Lead the designand evolution of our API schemas, ensuring they meet the complex demands of a rapidly growing platform. * Champion best practicein code quality, automated testing (Vitest, Playwright) and observability to deliver resilient, maintainable, and production-ready business logic.
Design and buildnext generation of high-scale SaaS platforms. We're looking for a senior/lead engineering consultant with deep expertise in GraphQL to take a leading role in developing our robust TypeScript/Node.js backend. You will be instrumental in shaping our technical direction, driving the evolution of our APIs, ensuring our services are resilient, scalable and secure within a cutting-edge, cloud-native environment (Helm, Kubernetes). The Deliverables * Design and buildsophisticated, scalable GraphQL APIs and backend services using TypeScript and Node.js. * Lead the designand evolution of our API schemas, ensuring they meet the complex demands of a rapidly growing platform. * Champion best practicein code quality, automated testing (Vitest, Playwright) and observability to deliver resilient, maintainable, and production-ready business logic.
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Job Title: Lead Software Developer Location: London, 1-2 days every 2 weeks Duration: until 2-Jan-27 Rate: £400-450 per day - umbrella only * API Development: Design, develop, and maintain robust, scalable APIs using modern frameworks and technologies. * Azure Logic Apps: Configure and integrate Azure Logic Apps to enable seamless workflows and business process automation. * Proficiency Coding Languages JSON, JavaScript, PowerShell & C# * Azure Security: Implement and adhere to best practices in Azure security, including identity management, access control, and threat protection. * Front-End Development: Build responsive and user-friendly front-end interfaces using frameworks such as React, Angular, or Vue.js. * Back-End Development: Develop and maintain server-side logic with programming languages like .NET, Node.js, or Python.
Job Title: Lead Software Developer Location: London, 1-2 days every 2 weeks Duration: until 2-Jan-27 Rate: £400-450 per day - umbrella only * API Development: Design, develop, and maintain robust, scalable APIs using modern frameworks and technologies. * Azure Logic Apps: Configure and integrate Azure Logic Apps to enable seamless workflows and business process automation. * Proficiency Coding Languages JSON, JavaScript, PowerShell & C# * Azure Security: Implement and adhere to best practices in Azure security, including identity management, access control, and threat protection. * Front-End Development: Build responsive and user-friendly front-end interfaces using frameworks such as React, Angular, or Vue.js. * Back-End Development: Develop and maintain server-side logic with programming languages like .NET, Node.js, or Python.
NEWFEATURED
Role Overview 6 months London - Hybrid Inside IR35 - Umbrella Only The Qualtrics Developer will be responsible for designing, configuring, and deploying advanced survey solutions using the Qualtrics platform as part of Toyota Financial Services' Customer Experience Discovery initiative. This role is critical in enabling data driven insights through seamless survey integration, analytics, and reporting. Key Responsibilities * Build branded Qualtrics survey themes aligned with Toyota FS identity. * Develop dynamic, multi-channel surveys (email, portal intercepts, exit intent). * Implement advanced branching logic and variation frameworks for A/B testing. * Configure API connections to CRM systems and Power BI for real-time dashboards. * Ensure secure data handling and compliance with GDPR and Toyota FS standards.
Role Overview 6 months London - Hybrid Inside IR35 - Umbrella Only The Qualtrics Developer will be responsible for designing, configuring, and deploying advanced survey solutions using the Qualtrics platform as part of Toyota Financial Services' Customer Experience Discovery initiative. This role is critical in enabling data driven insights through seamless survey integration, analytics, and reporting. Key Responsibilities * Build branded Qualtrics survey themes aligned with Toyota FS identity. * Develop dynamic, multi-channel surveys (email, portal intercepts, exit intent). * Implement advanced branching logic and variation frameworks for A/B testing. * Configure API connections to CRM systems and Power BI for real-time dashboards. * Ensure secure data handling and compliance with GDPR and Toyota FS standards.
NEWFEATURED
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Lead Technical Test Engineer Remote 3 month contract - potential for extension Outside IR35 £450pd iO are working with an established and rapidly growing Digital agency in their search for an experienced Lead Technical Test Engineer They work with global technology leaders to provide digital transformation services to a number of customers in industries including not-for-profit, financial services and the pubic sector You will bring years of experience, understanding and practical application in all levels and types of testing and a good understanding and usage of AWS services to assist in the set-up and triggering of test conditions. As the Lead Test Engineer, you will support the Test Manager with the strategy and coordinating a small team of Technical Test Engineers * Minimum of 5 years' experience in BOTH testing and test leadership
Lead Technical Test Engineer Remote 3 month contract - potential for extension Outside IR35 £450pd iO are working with an established and rapidly growing Digital agency in their search for an experienced Lead Technical Test Engineer They work with global technology leaders to provide digital transformation services to a number of customers in industries including not-for-profit, financial services and the pubic sector You will bring years of experience, understanding and practical application in all levels and types of testing and a good understanding and usage of AWS services to assist in the set-up and triggering of test conditions. As the Lead Test Engineer, you will support the Test Manager with the strategy and coordinating a small team of Technical Test Engineers * Minimum of 5 years' experience in BOTH testing and test leadership
NEWFEATURED
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Description Job Description a. Manage complex FIX implementations and upgrades. c. Diagnose software and connection issues and recommend the appropriate solution. d. Analyze problems, answer questions, and provide training related to the software. e. Identify and test workarounds for bugs or deficiencies in the software and/or associated FIX infrastructure. f. Research issues dealing with third party software. g. Follow a standard set of procedure and methods when responding to customer requests or inquiries. h. Conduct research on questions and issues using available information resources and other FIX Analysts. i. Keep a detailed log of all customer interactions and prepares resolution reports for issues reported by the customer. j. Maintain Best Practices for FIX Onboarding and Integrations. Requirements
Description Job Description a. Manage complex FIX implementations and upgrades. c. Diagnose software and connection issues and recommend the appropriate solution. d. Analyze problems, answer questions, and provide training related to the software. e. Identify and test workarounds for bugs or deficiencies in the software and/or associated FIX infrastructure. f. Research issues dealing with third party software. g. Follow a standard set of procedure and methods when responding to customer requests or inquiries. h. Conduct research on questions and issues using available information resources and other FIX Analysts. i. Keep a detailed log of all customer interactions and prepares resolution reports for issues reported by the customer. j. Maintain Best Practices for FIX Onboarding and Integrations. Requirements
NEW
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Description Job Description a. Manage complex FIX implementations and upgrades. c. Diagnose software and connection issues and recommend the appropriate solution. d. Analyze problems, answer questions, and provide training related to the software. e. Identify and test workarounds for bugs or deficiencies in the software and/or associated FIX infrastructure. f. Research issues dealing with third party software. g. Follow a standard set of procedure and methods when responding to customer requests or inquiries. h. Conduct research on questions and issues using available information resources and other FIX Analysts. i. Keep a detailed log of all customer interactions and prepares resolution reports for issues reported by the customer. j. Maintain Best Practices for FIX Onboarding and Integrations. Requirements
Description Job Description a. Manage complex FIX implementations and upgrades. c. Diagnose software and connection issues and recommend the appropriate solution. d. Analyze problems, answer questions, and provide training related to the software. e. Identify and test workarounds for bugs or deficiencies in the software and/or associated FIX infrastructure. f. Research issues dealing with third party software. g. Follow a standard set of procedure and methods when responding to customer requests or inquiries. h. Conduct research on questions and issues using available information resources and other FIX Analysts. i. Keep a detailed log of all customer interactions and prepares resolution reports for issues reported by the customer. j. Maintain Best Practices for FIX Onboarding and Integrations. Requirements
NEWPREMIUM
Lead Technical Test Engineer Remote 3 month contract - potential for extension Outside IR35 £450pd iO are working with an established and rapidly growing Digital agency in their search for an experienced Lead Technical Test Engineer They work with global technology leaders to provide digital transformation services to a number of customers in industries including not-for-profit, financial services and the pubic sector You will bring years of experience, understanding and practical application in all levels and types of testing and a good understanding and usage of AWS services to assist in the set-up and triggering of test conditions. As the Lead Test Engineer, you will support the Test Manager with the strategy and coordinating a small team of Technical Test Engineers * Minimum of 5 years' experience in BOTH testing and test leadership
Lead Technical Test Engineer Remote 3 month contract - potential for extension Outside IR35 £450pd iO are working with an established and rapidly growing Digital agency in their search for an experienced Lead Technical Test Engineer They work with global technology leaders to provide digital transformation services to a number of customers in industries including not-for-profit, financial services and the pubic sector You will bring years of experience, understanding and practical application in all levels and types of testing and a good understanding and usage of AWS services to assist in the set-up and triggering of test conditions. As the Lead Test Engineer, you will support the Test Manager with the strategy and coordinating a small team of Technical Test Engineers * Minimum of 5 years' experience in BOTH testing and test leadership
NEWFEATURED
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Senior Azure Developer (Azure, SDK, Node)
Senior Azure Developer (Azure, SDK, Node)
MS Talent Ltd
The City, City of London (EC2), EC2M
£400 - £450 per day, Benefits Outside IR35
Senior / Lead Azure Developer (Azure Developer, Microsoft Azure, Node.js, Microsoft SDK, Graph API) Bring a new custom application to the market! Location no issue - work from home! 6 month contract, £400 - £450 per day OUTSIDE IR35. Remote role in the UK. We are looking for a Senior Azure Developer / Lead Azure Developerwho specialises in building custom M365 applications that sit on Microsoft Azure. This role is for an Azure Developerwith deep experience using Microsoft SDKs, Graph API and enterprise integrations, not just front-end frameworks. You will be the hands-on technical ownerof a bespoke Microsoft Azure application, built using Node.jsand integrated with Microsoft enterprise services. * Proven experience as a Senior Azure Developerbuilding custom Microsoft Azure applications * Strong Node.js developmentexperience in an Azure Developerenvironment
Senior / Lead Azure Developer (Azure Developer, Microsoft Azure, Node.js, Microsoft SDK, Graph API) Bring a new custom application to the market! Location no issue - work from home! 6 month contract, £400 - £450 per day OUTSIDE IR35. Remote role in the UK. We are looking for a Senior Azure Developer / Lead Azure Developerwho specialises in building custom M365 applications that sit on Microsoft Azure. This role is for an Azure Developerwith deep experience using Microsoft SDKs, Graph API and enterprise integrations, not just front-end frameworks. You will be the hands-on technical ownerof a bespoke Microsoft Azure application, built using Node.jsand integrated with Microsoft enterprise services. * Proven experience as a Senior Azure Developerbuilding custom Microsoft Azure applications * Strong Node.js developmentexperience in an Azure Developerenvironment
Job title- Payment Architect Location: Milton Keynes (2-3 days) Duration: 6 Months Job Description Santander UK is expanding its Payments Solution Architecture team. We are looking for senior level architects with deep experience in payments execution processing. These hires will support the modernisation of our payments estate and the migration of legacy platforms to the Payments Hub (PagoNxt). The individuals must have strong payments scheme knowledge, deep understanding of ISO 20022, and proven experience designing solutions for core payment processing. Payments domain expertise * Strong experience across payments execution processes such as orchestration, order management, clearing, settlement, reconciliations, exception handling and returns. * Practical scheme knowledge in at least several of the following: Bacs, Faster Payments, CHAPS, SWIFT, SEPA, cheques.
Job title- Payment Architect Location: Milton Keynes (2-3 days) Duration: 6 Months Job Description Santander UK is expanding its Payments Solution Architecture team. We are looking for senior level architects with deep experience in payments execution processing. These hires will support the modernisation of our payments estate and the migration of legacy platforms to the Payments Hub (PagoNxt). The individuals must have strong payments scheme knowledge, deep understanding of ISO 20022, and proven experience designing solutions for core payment processing. Payments domain expertise * Strong experience across payments execution processes such as orchestration, order management, clearing, settlement, reconciliations, exception handling and returns. * Practical scheme knowledge in at least several of the following: Bacs, Faster Payments, CHAPS, SWIFT, SEPA, cheques.
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Senior Software Developer Python (SC Cleared)
Senior Software Developer Python (SC Cleared)
Certes IT Service Solutions
London
£625 - £650 per day + Negotiable
Senior Python Software Developer (SC Cleared) Duration: 12 Months Location: London & remote (hybrid) Rate: £650 per day IR35 Status: Inside Start: ASAP A Senior Python Software Developer (SC Cleared) is required for our government client, where you will be working on a specific project where they are transforming and redesigning their data hub, which provides access to a variety of public sector data. We require an experienced full stack developer with extensive Python experience. You will have previous experience developing across a number of services on the front end and back end including Web Services. Proficient in creating good and well documented code and take ownership of the development process. Also to work well with UCD (user centre design) teams and other technical experts on their side.
Senior Python Software Developer (SC Cleared) Duration: 12 Months Location: London & remote (hybrid) Rate: £650 per day IR35 Status: Inside Start: ASAP A Senior Python Software Developer (SC Cleared) is required for our government client, where you will be working on a specific project where they are transforming and redesigning their data hub, which provides access to a variety of public sector data. We require an experienced full stack developer with extensive Python experience. You will have previous experience developing across a number of services on the front end and back end including Web Services. Proficient in creating good and well documented code and take ownership of the development process. Also to work well with UCD (user centre design) teams and other technical experts on their side.
Were looking for a highly skilled Quantitative Developer to join our dynamic team. This is an opportunity to work on cutting-edge financial products and deliver robust, production-quality code that powers critical trading and risk systems. Youll collaborate closely with quants and traders to design and implement solutions that make a real impact. What Youll Do * Develop high-performance applications in C# or C++, with code deployed in production environments. * Design and implement system architecture and APIs for complex financial workflows. * Apply strong quantitative and mathematical skills to model and solve challenging problems. * Work with a broad range of financial products, including rates, FX, inflation, and credit. What Were Looking For * Proven experience in high-level programming (C# or C++). * Strong background in system/API design.
Were looking for a highly skilled Quantitative Developer to join our dynamic team. This is an opportunity to work on cutting-edge financial products and deliver robust, production-quality code that powers critical trading and risk systems. Youll collaborate closely with quants and traders to design and implement solutions that make a real impact. What Youll Do * Develop high-performance applications in C# or C++, with code deployed in production environments. * Design and implement system architecture and APIs for complex financial workflows. * Apply strong quantitative and mathematical skills to model and solve challenging problems. * Work with a broad range of financial products, including rates, FX, inflation, and credit. What Were Looking For * Proven experience in high-level programming (C# or C++). * Strong background in system/API design.
PREMIUM
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We are looking for an experienced Appian Developer to support integration and automation initiatives within a leading financial services organisation. This role focuses on connecting systems, automating complex business processes, and improving operational efficiency. * Design, develop, and maintain Appian applications to support fraud and spam prevention workflows. * Build and manage system integrations (APIs, web services, and third-party platforms) * Automate business processes to improve accuracy, speed, and resilience. * Working with offshore teams to complete end-to-end delivery, from requirements gathering to deployment * Ensure solutions meet security, compliance, and performance standards expected in financial services. * Must have proven experience as an Appian Developer. * Must have a strong background in system integration, process automation and APIs.
We are looking for an experienced Appian Developer to support integration and automation initiatives within a leading financial services organisation. This role focuses on connecting systems, automating complex business processes, and improving operational efficiency. * Design, develop, and maintain Appian applications to support fraud and spam prevention workflows. * Build and manage system integrations (APIs, web services, and third-party platforms) * Automate business processes to improve accuracy, speed, and resilience. * Working with offshore teams to complete end-to-end delivery, from requirements gathering to deployment * Ensure solutions meet security, compliance, and performance standards expected in financial services. * Must have proven experience as an Appian Developer. * Must have a strong background in system integration, process automation and APIs.
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Cloud Solution Architect
Cloud Solution Architect
International Business Solutions Consulting Limited
Soho, Central London (W1), W1D
£500 per day
Cloud Platform Engineering Lead My client, a large consultancy, is in need of a Cloud Platform Engineering Lead for a 6 month contract inside IR35 based in London offering 2 days per week remote but requiring 3 days per week on-site. The ideal candidate will have strong experience in delivering large-scale, fault-tolerant systems; setting SLOs/SLIs, Terraform and modern CI/CD tools (Azure DevOps, GitHub Actions, Harness, Jenkins, Spinnaker), Containers & orchestration (Kubernetes) and service mesh (eg, Istio), API design & security (REST/OpenAPI, mTLS, authN/Z), Scripting in Bash, PowerShell, or Python, Cloud Expertise (Depth in One, Ready to Cross-Train), Azure: ARM/Bicep, AKS, Application Gateway, API Management, Azure Storage, GCP: GKE, Cloud Load Balancing, Cloud Armor, Istio, Stackdriver, Jenkins, Apigee.
Cloud Platform Engineering Lead My client, a large consultancy, is in need of a Cloud Platform Engineering Lead for a 6 month contract inside IR35 based in London offering 2 days per week remote but requiring 3 days per week on-site. The ideal candidate will have strong experience in delivering large-scale, fault-tolerant systems; setting SLOs/SLIs, Terraform and modern CI/CD tools (Azure DevOps, GitHub Actions, Harness, Jenkins, Spinnaker), Containers & orchestration (Kubernetes) and service mesh (eg, Istio), API design & security (REST/OpenAPI, mTLS, authN/Z), Scripting in Bash, PowerShell, or Python, Cloud Expertise (Depth in One, Ready to Cross-Train), Azure: ARM/Bicep, AKS, Application Gateway, API Management, Azure Storage, GCP: GKE, Cloud Load Balancing, Cloud Armor, Istio, Stackdriver, Jenkins, Apigee.
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Full-Stack Software Developer
Full-Stack Software Developer
Sanderson Government and Defence
City of London (EC1), EC1
Up to £520 per day
Role: Software Developer Day Rate: £520p/d Inside IR35 Location: Central London (hybrid up to 2 days a week) Clearance required: ACTIVE SC & NPPV3 clearance. Duration: initial work package until March 2026 (scope for extension as a long-term programme) We're looking for an expert Full-Stack Java Engineer to join a high-profile, fast-moving government programme with a fixed deadline. You'll work in a large team building microservices, scalable APIs, optimised SQL, and fully containerised deployments on AWS. You'll also collaborate directly with senior stakeholders, turning complex problems into tested, working solutions. What You'll Do * Build and deploy backend services with Java & Spring Boot * Develop scalable APIs * Optimise SQL for large datasets * Work with DevOps on Docker and AWS deployments * Shape architecture and technical direction
Role: Software Developer Day Rate: £520p/d Inside IR35 Location: Central London (hybrid up to 2 days a week) Clearance required: ACTIVE SC & NPPV3 clearance. Duration: initial work package until March 2026 (scope for extension as a long-term programme) We're looking for an expert Full-Stack Java Engineer to join a high-profile, fast-moving government programme with a fixed deadline. You'll work in a large team building microservices, scalable APIs, optimised SQL, and fully containerised deployments on AWS. You'll also collaborate directly with senior stakeholders, turning complex problems into tested, working solutions. What You'll Do * Build and deploy backend services with Java & Spring Boot * Develop scalable APIs * Optimise SQL for large datasets * Work with DevOps on Docker and AWS deployments * Shape architecture and technical direction
FEATURED
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Rate - £600 - 650 Inside IR35 Duration - 6 months Location - Canary Wharf - twice a week on site A client of ours is going through a major IT modernisation. The ongoing programmes of work include improvements to business processes, generating staff capacity creation, IT transformation and embedding agile delivery methodologies. A key strategic focus of the IT modernisation is to replace outdated technology and introduce new technology in the Treasury and Operations capability. * Work with their IT Architecture Team aligned to an IT Delivery Capability that delivers the transformation agenda and outcomes across multiple projects within the Treasury, Risk and Finance delivery capability. Participate in workshops, providing quality assurance and gathering requirements to shape project deliverables.
Rate - £600 - 650 Inside IR35 Duration - 6 months Location - Canary Wharf - twice a week on site A client of ours is going through a major IT modernisation. The ongoing programmes of work include improvements to business processes, generating staff capacity creation, IT transformation and embedding agile delivery methodologies. A key strategic focus of the IT modernisation is to replace outdated technology and introduce new technology in the Treasury and Operations capability. * Work with their IT Architecture Team aligned to an IT Delivery Capability that delivers the transformation agenda and outcomes across multiple projects within the Treasury, Risk and Finance delivery capability. Participate in workshops, providing quality assurance and gathering requirements to shape project deliverables.
FEATURED
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10+ years in enterprise engineering, ideally in AI-driven environments. Expertise in a range of programming languages, tools, and technologies. Hands-on experience with cloud platforms (AWS preferred). Strong knowledge of API integration. Track record of delivering high-value products in large, complex organizations, ideally FTSE100 Group enterprises or similar Proven experience in developing, testing, and deploying data solutions into production environments, ensuring reliability, scalability, and maintainability beyond proof-of-concept or prototype stages. Familiarity with airline or logistics data domains is a plus. Significant experience in similar roles, with a proven ability to integrate quickly into new teams and deliver immediate value. Initial co-location with BA teams in London is essential to ensure close collaboration.
10+ years in enterprise engineering, ideally in AI-driven environments. Expertise in a range of programming languages, tools, and technologies. Hands-on experience with cloud platforms (AWS preferred). Strong knowledge of API integration. Track record of delivering high-value products in large, complex organizations, ideally FTSE100 Group enterprises or similar Proven experience in developing, testing, and deploying data solutions into production environments, ensuring reliability, scalability, and maintainability beyond proof-of-concept or prototype stages. Familiarity with airline or logistics data domains is a plus. Significant experience in similar roles, with a proven ability to integrate quickly into new teams and deliver immediate value. Initial co-location with BA teams in London is essential to ensure close collaboration.
Required Skills & Experience * 10+ years in enterprise frontend engineering in AI/data environments. * Expertise in Tableau and/or PowerBI for rapid prototyping and stakeholder engagement * Deep hands-on experience with modern frontend frameworks (React, Typescript, etc) * Hands-on experience with cloud platforms (AWS preferred); familiarity with scalable deployment and integration * Strong knowledge of API integration. * Proven experience in developing, testing, and deploying robust frontend solutions into production environments, ensuring reliability, scalability, and maintainability beyond proof-of-concept or prototype stages. * Familiarity with airline or logistics data domains is a plus. * Significant experience in similar roles, with a proven ability to integrate quickly into new teams and deliver immediate value.
Required Skills & Experience * 10+ years in enterprise frontend engineering in AI/data environments. * Expertise in Tableau and/or PowerBI for rapid prototyping and stakeholder engagement * Deep hands-on experience with modern frontend frameworks (React, Typescript, etc) * Hands-on experience with cloud platforms (AWS preferred); familiarity with scalable deployment and integration * Strong knowledge of API integration. * Proven experience in developing, testing, and deploying robust frontend solutions into production environments, ensuring reliability, scalability, and maintainability beyond proof-of-concept or prototype stages. * Familiarity with airline or logistics data domains is a plus. * Significant experience in similar roles, with a proven ability to integrate quickly into new teams and deliver immediate value.
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A leading financial services client in London is seeking a talented AI Automation Engineer to join their team on a contract basis. Please see below for key details. Role Overview: Analyse and optimise business processes for automation whilst designing, building, and deploying intelligent automation solutions using BPA platforms (Appian), Machine Learning, and Generative AI to drive operational efficiency and innovation. 1. Process Analysis & Optimisation - Expert in analysing existing business processes through stakeholder interviews, process mapping, and workflow documentation to identify automation opportunities. Skilled in creating process flow diagrams, conducting time-motion studies, identifying bottlenecks and inefficiencies, and redesigning processes to be machine-readable and automation-ready using methodologies. 2.
A leading financial services client in London is seeking a talented AI Automation Engineer to join their team on a contract basis. Please see below for key details. Role Overview: Analyse and optimise business processes for automation whilst designing, building, and deploying intelligent automation solutions using BPA platforms (Appian), Machine Learning, and Generative AI to drive operational efficiency and innovation. 1. Process Analysis & Optimisation - Expert in analysing existing business processes through stakeholder interviews, process mapping, and workflow documentation to identify automation opportunities. Skilled in creating process flow diagrams, conducting time-motion studies, identifying bottlenecks and inefficiencies, and redesigning processes to be machine-readable and automation-ready using methodologies. 2.
Greetings We are Hiring . Onsite: 3 days per week at Waterside office. Travel: EU travel (Barcelona/Madrid) approximately once in 3/4 weeks Contract 6 Months Role Purpose The Frontend Engineer will design and build enterprise-grade visualisations that deliver actionable insights at speed for British Airways initially, whilst ensuring frameworks can scale across all OpCos. This role demands consultancy-level frontend engineering expertise and the ability to balance velocity with strong engineering standards and discipline. Key Responsibilities Rapid prototyping: Deliver initial dashboards and visualisations in Tableau to meet urgent business needs Robust engineering: Architect and build production-grade, reusable dashboard solutions using modern frontend technologies, integrating with enterprise APIs and data sources
Greetings We are Hiring . Onsite: 3 days per week at Waterside office. Travel: EU travel (Barcelona/Madrid) approximately once in 3/4 weeks Contract 6 Months Role Purpose The Frontend Engineer will design and build enterprise-grade visualisations that deliver actionable insights at speed for British Airways initially, whilst ensuring frameworks can scale across all OpCos. This role demands consultancy-level frontend engineering expertise and the ability to balance velocity with strong engineering standards and discipline. Key Responsibilities Rapid prototyping: Deliver initial dashboards and visualisations in Tableau to meet urgent business needs Robust engineering: Architect and build production-grade, reusable dashboard solutions using modern frontend technologies, integrating with enterprise APIs and data sources
Contract DevOps Engineers (x5) - SC Cleared Location: Remote (occasional London travel - max 1 day/week) Rate: Up to £475/day Duration: 6 months (likely extension) IR35: Inside Clearance: SC Cleared required Deadline for CV submission: Monday 15th We're looking for five experienced DevOps Engineers to join a major transformation project. These roles are AWS-heavy and require a solid development background. You don't need to be a superstar-just strong, reliable, and experienced in the right tech stack. Tech Stack * Cloud: AWS * Messaging: Kafka * Languages: Java, NodeJS * Frameworks: Spring Boot/Data, React * Containers: Docker, Kubernetes, Helm * Frontend: Typescript / JavaScript * Databases: Postgres * Search: OpenSearch / ElasticSearch * Testing: Playwright, Wiremock * Monitoring: Grafana, Prometheus, Dynatrace * Version Control: Git * APIs: REST API
Contract DevOps Engineers (x5) - SC Cleared Location: Remote (occasional London travel - max 1 day/week) Rate: Up to £475/day Duration: 6 months (likely extension) IR35: Inside Clearance: SC Cleared required Deadline for CV submission: Monday 15th We're looking for five experienced DevOps Engineers to join a major transformation project. These roles are AWS-heavy and require a solid development background. You don't need to be a superstar-just strong, reliable, and experienced in the right tech stack. Tech Stack * Cloud: AWS * Messaging: Kafka * Languages: Java, NodeJS * Frameworks: Spring Boot/Data, React * Containers: Docker, Kubernetes, Helm * Frontend: Typescript / JavaScript * Databases: Postgres * Search: OpenSearch / ElasticSearch * Testing: Playwright, Wiremock * Monitoring: Grafana, Prometheus, Dynatrace * Version Control: Git * APIs: REST API
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