Date posted
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Locations
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Date posted
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Job types
Locations
- The City, City (EC3)
- Shoreditch
- The City, City (EC2)
- Moorgate
- Blackfriars
- Canary Wharf
- Charing Cross
- Eastgate
- Euston
- Fenny Lock
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7 Permanent 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
NEW
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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
Hybrid | UK | Defence and Advanced Technology - We are working with a high growth, mission driven technology company operating at the cutting edge of edge computing, sensors and real world systems. They are building a platform that connects hardware, sensors and software into deployable capability. These are systems used in the field, not just lab environments. This is a hands on integration role for someone who enjoys making complex systems work end to end. The goal is to develop a core product than can adapt to customer requirements. Taking complex sensor data, including picture / video and getting that data into usable information on the cloud / server is the main challenge. What you will be doing * Integrating sensors, devices and hardware into an edge platform * Working across software, electronics and infrastructure
Hybrid | UK | Defence and Advanced Technology - We are working with a high growth, mission driven technology company operating at the cutting edge of edge computing, sensors and real world systems. They are building a platform that connects hardware, sensors and software into deployable capability. These are systems used in the field, not just lab environments. This is a hands on integration role for someone who enjoys making complex systems work end to end. The goal is to develop a core product than can adapt to customer requirements. Taking complex sensor data, including picture / video and getting that data into usable information on the cloud / server is the main challenge. What you will be doing * Integrating sensors, devices and hardware into an edge platform * Working across software, electronics and infrastructure
NEWFEATURED
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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
Senior Full-Stack Developer
Senior Full-Stack Developer
Hireful
Milton Keynes, Buckinghamshire, MK9
up to £60k base + Bonus and great benefits
Are you a Senior Full Stack Developer who fancies redefining operational excellence across higher education, conference and events applications? You’ll be joining a company trusted by more than 350 institutions worldwide and backed by 25 years of experience. You’ll be joining a people-first, purpose-driven business where ideas are valued, growth is supported and impact is truly visible. We’re looking for a Senior Full Stack Developer with outstanding front-end expertise and at least some back end .Net capabilities to help shape the next chapter of our platform. You’ll design and deliver accessible, secure and high-quality web solutions, working closely with clients, project managers and fellow developers. Role: Senior Full Stack Web Developer, Senior Web Developer, Senior Developer, Senior Full-Stack Developer, Senior Front End Developer, Full Stack Developer, Senior ...
Are you a Senior Full Stack Developer who fancies redefining operational excellence across higher education, conference and events applications? You’ll be joining a company trusted by more than 350 institutions worldwide and backed by 25 years of experience. You’ll be joining a people-first, purpose-driven business where ideas are valued, growth is supported and impact is truly visible. We’re looking for a Senior Full Stack Developer with outstanding front-end expertise and at least some back end .Net capabilities to help shape the next chapter of our platform. You’ll design and deliver accessible, secure and high-quality web solutions, working closely with clients, project managers and fellow developers. Role: Senior Full Stack Web Developer, Senior Web Developer, Senior Developer, Senior Full-Stack Developer, Senior Front End Developer, Full Stack Developer, Senior ...
FEATURED
275 exact matches jobs are outside your preferred location
)
C# Developer .Net SQL API
C# Developer .Net SQL API
Client Server
The City, City of London (EC4), EC4R
£75000 - £90000 per annum + benefits
C# Developer / Software Engineer (C# .Net SQL API) London onsite to £90k - There's a focus on backend and API development although you'll also have elements of front end work with JavaScript and React.js. Apply now to find out more about this C# Developer / Software Engineer (C# .Net SQL API) opportunity.
C# Developer / Software Engineer (C# .Net SQL API) London onsite to £90k - There's a focus on backend and API development although you'll also have elements of front end work with JavaScript and React.js. Apply now to find out more about this C# Developer / Software Engineer (C# .Net SQL API) opportunity.
PREMIUM
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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
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 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
NEWPREMIUM
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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
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.
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Solutions Architect
Solutions Architect
MARSH CORPORATE SERVICES LIMITED
City of London (EC1)
Pension, Healthcare, Life Insurance and much more
Deep fluency in London Market placing platforms and integration patterns (Whitespace, PPL, API ecosystem).
Deep fluency in London Market placing platforms and integration patterns (Whitespace, PPL, API ecosystem).
PREMIUM
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Solutions Architect
Solutions Architect
Solus Accident Repair Centres
North London, London
GBP £50,000.00/Yr. - GBP £65,000.00/Yr.
Deep knowledge of modern enterprise patterns, SaaS adoption, API and event based integrations and resilience approaches.
Deep knowledge of modern enterprise patterns, SaaS adoption, API and event based integrations and resilience approaches.
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Designing, building, testing, and deploying integration flows using SAP Integration Suite, with a focus on Cloud Integration (CPI), API Management, and Event Mesh. * Proven experience in designing and deploying integration flows within SAP BTP, especially CPI, API Management, and Event Mesh.
Designing, building, testing, and deploying integration flows using SAP Integration Suite, with a focus on Cloud Integration (CPI), API Management, and Event Mesh. * Proven experience in designing and deploying integration flows within SAP BTP, especially CPI, API Management, and Event Mesh.
FEATURED
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Build API and integration layers enabling two-way communication * Define and implement structured data input/output flows, replacing a manual Excel-based trigger with a proper API-driven process
Build API and integration layers enabling two-way communication * Define and implement structured data input/output flows, replacing a manual Excel-based trigger with a proper API-driven process
FEATURED
Full Stack Engineer - Equity
Full Stack Engineer - Equity
Dental startup
Central London (W1)
Up to £60,000 per annum Equity - Founding Engineer
You'll own the full stack database architecture, API layer, and front-end, and you'll work directly with the founder on every major decision. * Architect and build the core platform from scratch schema, API, and front-end * Strong Node.js REST API development, authentication, middleware * Third-party API and webhook integration experience
You'll own the full stack database architecture, API layer, and front-end, and you'll work directly with the founder on every major decision. * Architect and build the core platform from scratch schema, API, and front-end * Strong Node.js REST API development, authentication, middleware * Third-party API and webhook integration experience
Strong technical depth across Adobe Customer Experience Orchestration and Creativity & Productivity solutions, plus broad knowledge of cloud architectures, API integrations, data platforms, and third-party ecosystem technologies
Strong technical depth across Adobe Customer Experience Orchestration and Creativity & Productivity solutions, plus broad knowledge of cloud architectures, API integrations, data platforms, and third-party ecosystem technologies
Develop and maintain Python code for data processing, API development, and integration with the Azure Databricks environment.
Develop and maintain Python code for data processing, API development, and integration with the Azure Databricks environment.
FEATURED
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AboutTheRole - WerelookingformultipleLeadTechnicalArchitectswhowillplayacentralroleinthesuccessfuldeliveryoftechnologyprojects. Youwillworkcloselywithclientsandinternalteamstounderstandcontext,co-designsolutions,andleadtechnicalteamsthroughproductdevelopment. Inthisrole,youwillleadarchitectureworkonclientprogrammes. Youwilldesignandoverseeend-to-endtechnologysolutionsthatarescalable,secure,user-centred,andethicallyresponsible. Thisroleinvolvestranslatingbusinessneedsintotechnologysolutions,creatingarchitectureartefacts,andsupportingclientstomakesustainableanduser-focusedtechnologychoices. Youmightbeaspecialistinaparticulartechnologydomainorplatform-suchaslegacysystemmigration,m365,Azure,GCP,AWS,dataplatformsorintelligentprocessautomation-butyouwillapplyatechnologyagnosticperspective. You'lloperateasatrustedadvisor,oftenleadingsmallerengagementsorplayingaseniorroleonlargerones,butmayalsoworksoloorcontributeasamemberofateamasneeded.
AboutTheRole - WerelookingformultipleLeadTechnicalArchitectswhowillplayacentralroleinthesuccessfuldeliveryoftechnologyprojects. Youwillworkcloselywithclientsandinternalteamstounderstandcontext,co-designsolutions,andleadtechnicalteamsthroughproductdevelopment. Inthisrole,youwillleadarchitectureworkonclientprogrammes. Youwilldesignandoverseeend-to-endtechnologysolutionsthatarescalable,secure,user-centred,andethicallyresponsible. Thisroleinvolvestranslatingbusinessneedsintotechnologysolutions,creatingarchitectureartefacts,andsupportingclientstomakesustainableanduser-focusedtechnologychoices. Youmightbeaspecialistinaparticulartechnologydomainorplatform-suchaslegacysystemmigration,m365,Azure,GCP,AWS,dataplatformsorintelligentprocessautomation-butyouwillapplyatechnologyagnosticperspective. You'lloperateasatrustedadvisor,oftenleadingsmallerengagementsorplayingaseniorroleonlargerones,butmayalsoworksoloorcontributeasamemberofateamasneeded.
PREMIUM
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3rd Party API Intergration
3rd Party API Intergration
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Exposure to one or more of the following: tokenized funds and digital-native assets; MPC/HSM controls; atomic DvP; interoperability between legacy and tokenized flows; digital cash/settlement (e.g., deposit tokens, stablecoins, CBDCs); secure API integrations; KYC/KYB and transaction monitoring for digital assets; tokenized collateral workflows; digital ETFs/ETPs; tokenized money market funds and digital share classes.
Exposure to one or more of the following: tokenized funds and digital-native assets; MPC/HSM controls; atomic DvP; interoperability between legacy and tokenized flows; digital cash/settlement (e.g., deposit tokens, stablecoins, CBDCs); secure API integrations; KYC/KYB and transaction monitoring for digital assets; tokenized collateral workflows; digital ETFs/ETPs; tokenized money market funds and digital share classes.
Related Jobs
Locations
- The City, City (EC3)
- Shoreditch
- The City, City (EC2)
- Moorgate
- Blackfriars
- Canary Wharf
- Charing Cross
- Eastgate
- Euston
- Fenny Lock
- City of London
- Cambridge
- Central London
- East London
- West End
- Milton Keynes
- Reading
- Wokingham
- Bracknell
- Harlow
- London
- Cambridgeshire
- Berkshire
- Buckinghamshire
- Oxfordshire
- Northamptonshire
- Hertfordshire
- Surrey
- Hampshire
- Warwickshire
- South East
- East Anglia
- Midlands
- East Midlands
- West Midlands