Date posted
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Locations
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Salaries
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Locations
- The City, City (EC3)
- Shoreditch
- Fenny Lock
- Moorgate
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11 Contract API jobs in Fenny Lock + 20 miles
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ServiceNow Solution Architect
ServiceNow Solution Architect
FryerMiles Recruitment
Fenny Lock, Milton Keynes (MK1), MK1 1AS
£475 - 500 per day
Proficiency in JavaScript and REST/SOAP API integrations
Proficiency in JavaScript and REST/SOAP API integrations
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Solid understanding of modern test strategy (UI, API, integration).
Solid understanding of modern test strategy (UI, API, integration).
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SQL Developer – Data Integration
SQL Developer – Data Integration
Hireful
Milton Keynes, Buckinghamshire
£50k - £55k base per annum + Bonus and Benefits.
If you bring experience in education or finance systems, automation tools, or API integrations, even better.
If you bring experience in education or finance systems, automation tools, or API integrations, even better.
FEATURED
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.Net Developer - 2 days a week onsite in Northampton £550pd to £600pd - Inside IR35 - 8 month contract - Our client are looking for an experienced Developer to join them on a contract basis - They are a household name, operating at the forefront of the IT and engineering sectors, specialising in the development of advanced engineering software and digital tools. Due to ongoing strategic initiatives and growth in their engineering software capabilities, our Client is seeking a highly skilled Software Developer with expertise in .NET technologies. This contract position offers an exciting opportunity to contribute to the design and development of robust, maintainable software solutions that support engineering workflows. * Proven experience in designing and developing software using .NET and C#. * Proficiency in building RESTful APIs and microservices deployed via container ...
.Net Developer - 2 days a week onsite in Northampton £550pd to £600pd - Inside IR35 - 8 month contract - Our client are looking for an experienced Developer to join them on a contract basis - They are a household name, operating at the forefront of the IT and engineering sectors, specialising in the development of advanced engineering software and digital tools. Due to ongoing strategic initiatives and growth in their engineering software capabilities, our Client is seeking a highly skilled Software Developer with expertise in .NET technologies. This contract position offers an exciting opportunity to contribute to the design and development of robust, maintainable software solutions that support engineering workflows. * Proven experience in designing and developing software using .NET and C#. * Proficiency in building RESTful APIs and microservices deployed via container ...
FEATURED
We're looking for a skilled Java Backend Engineer with strong experience in Spring and microservices to join our growing team. It is a UK based, fully remote, outside IR35, initial 6-month contract. * Build and maintain scalable microservices. * Develop REST APIs using Java & Spring. * Collaborate with cross-functional teams. * Write clean, efficient, and testable code. * Strong Java (8+) and Spring experience. * Solid background in microservices architecture. * Experience with REST APIs, Docker, and CI/CD. * Knowledge of databases (SQL). * Knowledge of Azure. Apply now to join a fast-moving, collaborative team.
We're looking for a skilled Java Backend Engineer with strong experience in Spring and microservices to join our growing team. It is a UK based, fully remote, outside IR35, initial 6-month contract. * Build and maintain scalable microservices. * Develop REST APIs using Java & Spring. * Collaborate with cross-functional teams. * Write clean, efficient, and testable code. * Strong Java (8+) and Spring experience. * Solid background in microservices architecture. * Experience with REST APIs, Docker, and CI/CD. * Knowledge of databases (SQL). * Knowledge of Azure. Apply now to join a fast-moving, collaborative team.
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Are you an experienced Business Analyst ready to make an impact? Join our Group Technology team at Connells Group as a Business Analyst, where youll work closely with engineers and business stakeholders to understand day-to-day processes, analyse operational needs, and translate requirements into clear Business Requirement Specifications or User Stories. The CPE team is responsible for maintaining and supporting key business systems, as well as managing incidents through ServiceNow, coordinating regular software releases, and addressing technical debt. We offer a hybrid working arrangement, with two days per week in our Milton Keynes office. * Elicit and capture business requirements * Produce clear, concise business requirements documents and user stories * Proactively work with senior business managers to understand their business processes and needs
Are you an experienced Business Analyst ready to make an impact? Join our Group Technology team at Connells Group as a Business Analyst, where youll work closely with engineers and business stakeholders to understand day-to-day processes, analyse operational needs, and translate requirements into clear Business Requirement Specifications or User Stories. The CPE team is responsible for maintaining and supporting key business systems, as well as managing incidents through ServiceNow, coordinating regular software releases, and addressing technical debt. We offer a hybrid working arrangement, with two days per week in our Milton Keynes office. * Elicit and capture business requirements * Produce clear, concise business requirements documents and user stories * Proactively work with senior business managers to understand their business processes and needs
NEW
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Your new role - We are looking for an experienced Full Stack C# Web Developer with strong React expertise to support the development and enhancement of a web-based compliance portal for a key programme. Responsibilities * Design, develop, and maintain a secure, scalable compliance web portal * Build and enhance back-end services using C# and .NET / .NET Core * Develop modern, responsive front-end applications using React * Integrate front-end components with RESTful APIs * Work closely with product owners, business analysts, and QA engineers * Ensure high standards of security, performance, and maintainability * Contribute to code reviews, documentation, and technical standards - What you'll need to succeed * Proven experience as a Full Stack Developer * Strong C# and .NET / .NET Core development background * Commercial experience building applications with React
Your new role - We are looking for an experienced Full Stack C# Web Developer with strong React expertise to support the development and enhancement of a web-based compliance portal for a key programme. Responsibilities * Design, develop, and maintain a secure, scalable compliance web portal * Build and enhance back-end services using C# and .NET / .NET Core * Develop modern, responsive front-end applications using React * Integrate front-end components with RESTful APIs * Work closely with product owners, business analysts, and QA engineers * Ensure high standards of security, performance, and maintainability * Contribute to code reviews, documentation, and technical standards - What you'll need to succeed * Proven experience as a Full Stack Developer * Strong C# and .NET / .NET Core development background * Commercial experience building applications with React
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Python Developer--SC Cleared
Python Developer--SC Cleared
Morson Edge
Granby Industrial Estate, Milton Keynes (MK1), MK1 1AX
£500 - 550 per day
Python Develoepr, ideally with current SC Security Clearance, is needed to work with our central government full time on site in Milton Keynes. The Python Developer will be responsible for designing, developing, testing, and maintaining high-quality software solutions using Python. Delivering scalable, efficient, and maintainable code while collaborating with cross-functional teams to meet business and technical requirements. • Strong hands-on experience in Python with substantial experience of building production-grade applications. • Current SC Security Clearance or eligibility for SC Clearance • Experience in Golang including developing scalable backend services • Experience in C# / .NET including building enterprise-grade applications • Experience of designing, developing, and maintaining microservices-based architectures
Python Develoepr, ideally with current SC Security Clearance, is needed to work with our central government full time on site in Milton Keynes. The Python Developer will be responsible for designing, developing, testing, and maintaining high-quality software solutions using Python. Delivering scalable, efficient, and maintainable code while collaborating with cross-functional teams to meet business and technical requirements. • Strong hands-on experience in Python with substantial experience of building production-grade applications. • Current SC Security Clearance or eligibility for SC Clearance • Experience in Golang including developing scalable backend services • Experience in C# / .NET including building enterprise-grade applications • Experience of designing, developing, and maintaining microservices-based architectures
PREMIUM
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Are you a talented Power Platform Developer? Do you want to work for an emerging, cutting-edge consultancy providing digital transformation solutions and offering you autonomy and opportunity for growth? If this describes you, then let Informed Recruitment help you achieve your potential with an exciting Development opportunity. As a specialist provider of resources to the Property & Associated Technology markets, we are partnering with a niche, cutting edge, and award-winning digital consultancy developing bespoke solutions for customers within the Property Services, Facilities Management and Real Estate marketplaces. The purpose of the role will be to work within an agile framework to develop, test, support, and maintain bespoke Power Platform and Microsoft Dynamics applications for customers.
Are you a talented Power Platform Developer? Do you want to work for an emerging, cutting-edge consultancy providing digital transformation solutions and offering you autonomy and opportunity for growth? If this describes you, then let Informed Recruitment help you achieve your potential with an exciting Development opportunity. As a specialist provider of resources to the Property & Associated Technology markets, we are partnering with a niche, cutting edge, and award-winning digital consultancy developing bespoke solutions for customers within the Property Services, Facilities Management and Real Estate marketplaces. The purpose of the role will be to work within an agile framework to develop, test, support, and maintain bespoke Power Platform and Microsoft Dynamics applications for customers.
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Software Engineering Lead
Software Engineering Lead
VIQU IT Recruitment
Fenny Lock, Milton Keynes (MK1), MK1 1AS
£80k - 85k per year
Cloud experience with AWS (Lambda, S3, SNS, API Gateway, and event-driven architecture). * Working within AWS (Lambda, API Gateway, IAM, event-based services).
Cloud experience with AWS (Lambda, S3, SNS, API Gateway, and event-driven architecture). * Working within AWS (Lambda, API Gateway, IAM, event-based services).
This role blends deep technical troubleshooting, advanced log and API analysis, Datadog monitoring expertise, and leadership of high-severity escalations. * Perform hands-on technical troubleshooting using Datadog (logs, traces, dashboards), API tools (Postman/cURL), and distributed log tracing. * Strong REST API troubleshooting using Postman, cURL, authentication flows, and JSON payload analysis.
This role blends deep technical troubleshooting, advanced log and API analysis, Datadog monitoring expertise, and leadership of high-severity escalations. * Perform hands-on technical troubleshooting using Datadog (logs, traces, dashboards), API tools (Postman/cURL), and distributed log tracing. * Strong REST API troubleshooting using Postman, cURL, authentication flows, and JSON payload analysis.
580 exact matches jobs are outside your preferred location
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Understanding of security standards and protocols related to API security, such as OAuth, OpenID Connect, and JWT
Understanding of security standards and protocols related to API security, such as OAuth, OpenID Connect, and JWT
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Workplace Platform Engineer (DocuSign & 365 & API)
Workplace Platform Engineer (DocuSign & 365 & API)
Morson Edge
City of London, London, EC1A 1AA
Market related
We are seeking a Platform Engineer to join the Modern Workplace team at a leading banking client. This team is focused on delivering a flexible, efficient, and seamless digital workplace experience, enabling colleagues to collaborate and perform effectively using enterprise tools such as Microsoft 365 and DocuSign. The successful candidate will be a key contributor to the Productivity Applications portfolio, responsible for configuring, maintaining, and enhancing platforms that support a high-performing digital workplace. Key Responsibilities * Configure, develop, and maintain solutions across the Productivity Applications platform * Contribute to the design and implementation of new digital workplace capabilities * Manage the end-to-end lifecycle of platform solutions, ensuring continuous improvement * Support business-as-usual changes and incremental enhancements
We are seeking a Platform Engineer to join the Modern Workplace team at a leading banking client. This team is focused on delivering a flexible, efficient, and seamless digital workplace experience, enabling colleagues to collaborate and perform effectively using enterprise tools such as Microsoft 365 and DocuSign. The successful candidate will be a key contributor to the Productivity Applications portfolio, responsible for configuring, maintaining, and enhancing platforms that support a high-performing digital workplace. Key Responsibilities * Configure, develop, and maintain solutions across the Productivity Applications platform * Contribute to the design and implementation of new digital workplace capabilities * Manage the end-to-end lifecycle of platform solutions, ensuring continuous improvement * Support business-as-usual changes and incremental enhancements
PREMIUM
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Solution Architect
Solution Architect
I3 Resourcing Limited
The City, City of London (EC3), EC3V 3ND
£100000 - £120000 per annum + + bonus + benefits
Experience with API-led, microservices, and integration architectures
Experience with API-led, microservices, and integration architectures
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This is an excellent opportunity for a senior engineer with strong scripting and API skills who wants to design intelligent solutions, streamline operations, and help create reusable automation packages that can later be rolled out to customers. * Designing and implementing automation workflows using Python, REST API integrations, Microsoft Graph API, Power Automate, JavaScript, and PowerShell. * Working on API-driven solutions and integrations with emerging technologies, including links into OpenAI and other modern automation capabilities. * Strong practical understanding of API integrations and how to connect multiple systems in a secure, stable way. * Working knowledge of Microsoft Graph API, Power Automate, JavaScript and/or PowerShell.
This is an excellent opportunity for a senior engineer with strong scripting and API skills who wants to design intelligent solutions, streamline operations, and help create reusable automation packages that can later be rolled out to customers. * Designing and implementing automation workflows using Python, REST API integrations, Microsoft Graph API, Power Automate, JavaScript, and PowerShell. * Working on API-driven solutions and integrations with emerging technologies, including links into OpenAI and other modern automation capabilities. * Strong practical understanding of API integrations and how to connect multiple systems in a secure, stable way. * Working knowledge of Microsoft Graph API, Power Automate, JavaScript and/or PowerShell.
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Senior Full Stack Engineer
Senior Full Stack Engineer
RSMB
Covent Garden, Central London (WC2), WC2B
Up to £85k, based on experience
RSMB is seeking an experienced and highly capable Senior Full Stack Engineer to play a central role in the design, development, and evolution of our expanding product suite, including Barb Ads Hub, NMO XCM, and our Data Fusion platform. You will join the team based in London (Hybrid – 2 days per week in the office). Youwill join us on a full-time, permanent basis, and in return, you will receive a competitive salary of up to £85,000 per annum, based on experience. RSMB is a leading company specialising in media measurement solutions. We work with a wide range of clients delivering both long-term contracts like Barb (UK TV audience measurement) and RAJAR (Radio audience measurement), and ad hoc projects. We are proud that we have been a Barb TV audience measurement contractor since 1989 and a RAJAR contractor since 2007.
RSMB is seeking an experienced and highly capable Senior Full Stack Engineer to play a central role in the design, development, and evolution of our expanding product suite, including Barb Ads Hub, NMO XCM, and our Data Fusion platform. You will join the team based in London (Hybrid – 2 days per week in the office). Youwill join us on a full-time, permanent basis, and in return, you will receive a competitive salary of up to £85,000 per annum, based on experience. RSMB is a leading company specialising in media measurement solutions. We work with a wide range of clients delivering both long-term contracts like Barb (UK TV audience measurement) and RAJAR (Radio audience measurement), and ad hoc projects. We are proud that we have been a Barb TV audience measurement contractor since 1989 and a RAJAR contractor since 2007.
PREMIUM
Forward Deployed Engineer - Remote - InsureTech
Forward Deployed Engineer - Remote - InsureTech
Transparent Technology
London
£110000 - £150000 per annum + + bens + shares
Senior Forward Deployed Engineer | Python, JavaScript, SQL, APIs, System Design | £110k-£150k + Equity | Fully Remote (UK) Build and deliver AI-powered systems directly into enterprise environments. This is a rare opportunity to join a well-funded, high-growth AI company building an AI-native platform transforming how enterprise workflows are delivered at scale. With strong global backing and rapid expansion across the UK, Europe, and beyond, they are redefining how complex, data-driven decisions are made in real-world environments. As a Senior Forward Deployed Engineer, you'll operate at the intersection of software engineering, system design, and customer delivery, working directly with enterprise clients to implement, configure, and extend a production-grade AI platform. This is not a pure backend role, you'll be a key technical partner, translating complex ...
Senior Forward Deployed Engineer | Python, JavaScript, SQL, APIs, System Design | £110k-£150k + Equity | Fully Remote (UK) Build and deliver AI-powered systems directly into enterprise environments. This is a rare opportunity to join a well-funded, high-growth AI company building an AI-native platform transforming how enterprise workflows are delivered at scale. With strong global backing and rapid expansion across the UK, Europe, and beyond, they are redefining how complex, data-driven decisions are made in real-world environments. As a Senior Forward Deployed Engineer, you'll operate at the intersection of software engineering, system design, and customer delivery, working directly with enterprise clients to implement, configure, and extend a production-grade AI platform. This is not a pure backend role, you'll be a key technical partner, translating complex ...
NEW
Python AI Engineer - PropTech - London (onsite)
Python AI Engineer - PropTech - London (onsite)
Transparent Technology
London
£71000 - £130000 per annum + bens + equity
Lead Python Engineer | AI, Python, FastAPI, Django, Microservices, APIs, Cloud | London | up to £130k + Equity - Build AI-powered systems that automate real-world workflows at scale. This is an opportunity to join a fast-growing AI startup building an AI-driven platform automating up to 80% of property management workflows, transforming how compliance, maintenance, and tenant communication are handled across the UK property sector. As a Lead Python Engineer, you'll design and build scalable backend systems, APIs, and AI-driven applications, working at the intersection of software engineering, automation, and AI integration. You'll play a key role in developing systems that directly impact end users, while helping shape engineering practices and mentoring other developers in a high-growth environment.
Lead Python Engineer | AI, Python, FastAPI, Django, Microservices, APIs, Cloud | London | up to £130k + Equity - Build AI-powered systems that automate real-world workflows at scale. This is an opportunity to join a fast-growing AI startup building an AI-driven platform automating up to 80% of property management workflows, transforming how compliance, maintenance, and tenant communication are handled across the UK property sector. As a Lead Python Engineer, you'll design and build scalable backend systems, APIs, and AI-driven applications, working at the intersection of software engineering, automation, and AI integration. You'll play a key role in developing systems that directly impact end users, while helping shape engineering practices and mentoring other developers in a high-growth environment.
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Senior Product Engineer, Full Stack - Energy
Senior Product Engineer, Full Stack - Energy
MFK Recruitment Ltd
Piccadilly, Central London (W1), W1S 4NS
From £70,000 to £95,000 per annum
£70,000 to £95,000 - Permanent - London, hybrid - The opportunity - Our client is hiring a Senior Product Engineer, Full Stack, to help build the next generation of customer-facing software in the energy market. Operating in a complex, high-value sector, the business is combining technology, data, and product thinking to modernise an area of the energy industry that has historically been underserved by great software. We have already placed 3 people into the business and are pleased to be supporting them again on this important hire. This is a genuinely exciting opportunity for a frontend-strong engineer who wants real ownership, autonomy, and the chance to build products from scratch. They are looking for someone with strong React and TypeScript capability, alongside solid backend exposure across Python, APIs, and databases.
£70,000 to £95,000 - Permanent - London, hybrid - The opportunity - Our client is hiring a Senior Product Engineer, Full Stack, to help build the next generation of customer-facing software in the energy market. Operating in a complex, high-value sector, the business is combining technology, data, and product thinking to modernise an area of the energy industry that has historically been underserved by great software. We have already placed 3 people into the business and are pleased to be supporting them again on this important hire. This is a genuinely exciting opportunity for a frontend-strong engineer who wants real ownership, autonomy, and the chance to build products from scratch. They are looking for someone with strong React and TypeScript capability, alongside solid backend exposure across Python, APIs, and databases.
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Senior Solutions Architect
Senior Solutions Architect
The Talent Ladder
St James, South West London (SW1), SW1A
Up to £125,000 per annum Bonus and travel allowance
API design & microservices architecture
API design & microservices architecture
PREMIUM
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Hands-on experience with Azure ecosystem, specifically in architecting and deploying Azure App Services, Azure SQL Database, Azure Functions, and managing cloud infrastructure including Virtual Networks (VNet), API Management (APIM), and Azure Storage solutions. * Experienced in RESTful API design and integration; experience with SOAP WebServices and XML/XPath.
Hands-on experience with Azure ecosystem, specifically in architecting and deploying Azure App Services, Azure SQL Database, Azure Functions, and managing cloud infrastructure including Virtual Networks (VNet), API Management (APIM), and Azure Storage solutions. * Experienced in RESTful API design and integration; experience with SOAP WebServices and XML/XPath.
Outsystems Solution Architect
Outsystems Solution Architect
Morson Edge
Gosford Green, Coventry (CV1), CV1 2LZ
£600 - 800 per day + None
OutSystems Solutions Architect - Location: Hybrid - Coventry (2-3 days onsite to begin with) Contract: Inside IR35 - Day rate: Up to £800per day - Duration: 3 Months+ Start date: ASAP - Key skills: Outsystems, Develop, integration, security, platform administration, We have for an OutSystems Solution Architect with one of the UK’s biggest utility company. The OutSystems Solution Architect will support establishment of robust governance, security, DevOps, and architectural standards for the Clients OutSystems platform * Governance framework & Operating Model: LCAP decision framework, license/commercial management framework. * Platform administration guardrails: Environments strategy, Landscape definition, Core Tools/Libraries, Extensibility patterns, Configuration Management, Platform administration. * Security Policy & Standards: Definition of MFA, RBAC, secrets management, TLS/HSTS, ...
OutSystems Solutions Architect - Location: Hybrid - Coventry (2-3 days onsite to begin with) Contract: Inside IR35 - Day rate: Up to £800per day - Duration: 3 Months+ Start date: ASAP - Key skills: Outsystems, Develop, integration, security, platform administration, We have for an OutSystems Solution Architect with one of the UK’s biggest utility company. The OutSystems Solution Architect will support establishment of robust governance, security, DevOps, and architectural standards for the Clients OutSystems platform * Governance framework & Operating Model: LCAP decision framework, license/commercial management framework. * Platform administration guardrails: Environments strategy, Landscape definition, Core Tools/Libraries, Extensibility patterns, Configuration Management, Platform administration. * Security Policy & Standards: Definition of MFA, RBAC, secrets management, TLS/HSTS, ...
PREMIUM
Hands-on experience designing and delivering enterprise integrations using MuleSoft (Anypoint Platform), including API-led connectivity, error handling, and operational monitoring
Hands-on experience designing and delivering enterprise integrations using MuleSoft (Anypoint Platform), including API-led connectivity, error handling, and operational monitoring
Contract .Net Developer – Insurance claims system
Contract .Net Developer – Insurance claims system
Hireful
Central London, London
£400 per day outside IR35
We’re looking for a proactive, self-sufficient developer with strong experience in .NET, API development, microservices architecture, and database integration.
We’re looking for a proactive, self-sufficient developer with strong experience in .NET, API development, microservices architecture, and database integration.
FEATURED
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You'll design end-to-end GenAI systems from RAG pipelines and agent orchestration to production-grade API integrations and establish the reusable patterns and frameworks that make every subsequent engagement faster. Design production GenAI applications from prototype through scale data pipelines, model orchestration, API integrations, infrastructure.
You'll design end-to-end GenAI systems from RAG pipelines and agent orchestration to production-grade API integrations and establish the reusable patterns and frameworks that make every subsequent engagement faster. Design production GenAI applications from prototype through scale data pipelines, model orchestration, API integrations, infrastructure.
Related Jobs
Locations
- The City, City (EC3)
- Shoreditch
- Fenny Lock
- Moorgate
- Piccadilly
- The City, City (EC2)
- The City, City (EC4)
- Blackfriars
- Canary Wharf
- Charing Cross
- City of London
- Cambridge
- Central London
- West End
- East London
- Reading
- Milton Keynes
- South West London
- Wokingham
- Oxford
- London
- Cambridgeshire
- Berkshire
- Oxfordshire
- Buckinghamshire
- Surrey
- Hertfordshire
- Northamptonshire
- Gloucestershire
- Warwickshire
- South East
- East Anglia
- Midlands
- East Midlands
- West Midlands
- South West