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131 Permanent API jobs in Datchet Common + 20 miles
592 exact matches jobs are outside your preferred location
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Software Automation QA
Software Automation QA
Profile 29
Loughton (IG10), IG10
From £50,000 to £60,000 per annum + benefits (see advert)
Conduct comprehensive testing of various API's used by affiliates and other third-party service providers
Conduct comprehensive testing of various API's used by affiliates and other third-party service providers
Senior Full Stack Web Developer
Senior Full Stack Web Developer
Profile 29
Loughton (IG10), IG10
From £80,000 to £100,000 per annum + benefits (see advert)
As a member of their team, you will have the opportunity to work on their public-facing API and back-office websites in a Test-Driven Agile environment.
As a member of their team, you will have the opportunity to work on their public-facing API and back-office websites in a Test-Driven Agile environment.
Senior Full Stack Web Developer
Senior Full Stack Web Developer
Profile 29
Loughton (IG10), IG10
From £80,000 to £100,000 per annum + benefits (see advert)
As a member of their team, you will have the opportunity to work on their public-facing API and back-office websites in a Test-Driven Agile environment.
As a member of their team, you will have the opportunity to work on their public-facing API and back-office websites in a Test-Driven Agile environment.
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Senior Developer SPA Web
Senior Developer SPA Web
Opus Enterprise Ltd T/A Real Recruitment
Milton Keynes (MK10)
Excellent salary and benefits package
Rest-based API interactions
Rest-based API interactions
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Job Description - Role / Job Title:GE Smallworld Solution Architect - Work Location:Dublin / Cork (preferred) * We are seeking an experienced GE Smallworld Solution Architect to lead the design and implementation of advanced GIS solutions. * This role requires deep technical expertise, a strong understanding of solution design, and the ability to collaborate across multiple functional teams. * You will play a key role in crafting integrated, future-ready solutions that empower our client's digital transformation journey. The Role - A critical position within the team, this role is instrumental in defining the asset strategy for a leading utilities customer. You will serve as the architectural backbone of GIS initiatives, ensuring every layer of design, integration, and deployment aligns seamlessly with business goals and technical best practices. Your Responsibilities
Job Description - Role / Job Title:GE Smallworld Solution Architect - Work Location:Dublin / Cork (preferred) * We are seeking an experienced GE Smallworld Solution Architect to lead the design and implementation of advanced GIS solutions. * This role requires deep technical expertise, a strong understanding of solution design, and the ability to collaborate across multiple functional teams. * You will play a key role in crafting integrated, future-ready solutions that empower our client's digital transformation journey. The Role - A critical position within the team, this role is instrumental in defining the asset strategy for a leading utilities customer. You will serve as the architectural backbone of GIS initiatives, ensuring every layer of design, integration, and deployment aligns seamlessly with business goals and technical best practices. Your Responsibilities
Security Architecture Secure Design Team - Role: Manager Principal Security Architect: Secure Design (Individual Contributor) Grade: GG14 - The Security Architecture Design team is responsible for developing Security Architecture patterns, developing security controls needed for new technology, promoting the use of the architectural patterns into development projects, leading the Security Architecture Design Forum, Evaluating architectural security risks in existing systems, consulting with system development teams and architects on building security into their design. This key task of this role is accelerating the delivery of secure design artefacts and leading secure design interventions - by adding capacity and capability to the team. Reports to: Senior Manager Secure Design - Key Relationships * Business Aligned Principal Security Architects * CyberSecurity Engine
Security Architecture Secure Design Team - Role: Manager Principal Security Architect: Secure Design (Individual Contributor) Grade: GG14 - The Security Architecture Design team is responsible for developing Security Architecture patterns, developing security controls needed for new technology, promoting the use of the architectural patterns into development projects, leading the Security Architecture Design Forum, Evaluating architectural security risks in existing systems, consulting with system development teams and architects on building security into their design. This key task of this role is accelerating the delivery of secure design artefacts and leading secure design interventions - by adding capacity and capability to the team. Reports to: Senior Manager Secure Design - Key Relationships * Business Aligned Principal Security Architects * CyberSecurity Engine
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Solution Architect - (HCM) SC Cleared
Solution Architect - (HCM) SC Cleared
Henderson Scott
London
£700 - £800 per day + Umbrella rate (inside IR35)
Solution Architect - Active SC Cleared - Location: Hybrid (20% in London or Glasgow) | Engagement: Contract - Inside IR35 | Duration: Initial 6 Months | Clearance: SC Clearance Essential - Our client requires a high-calibre Solution Architect with extensive HCM (Workday / Oracle HCM / Successfactors) experince to establish and deliver the integrations sub-workstream from the ground up. This role is critical for technical readiness, involving the design of integration patterns that will connect the new HCM with crucial internal and external systems across HR, Finance, and Payroll. The Role: End-to-End Integration Strategy & Delivery - You will report directly to the Senior Technical Delivery Manager, acting as the primary authority for all Workday integration design and delivery. * Integration Strategy: Define, develop, and own the Workday integration strategy and road
Solution Architect - Active SC Cleared - Location: Hybrid (20% in London or Glasgow) | Engagement: Contract - Inside IR35 | Duration: Initial 6 Months | Clearance: SC Clearance Essential - Our client requires a high-calibre Solution Architect with extensive HCM (Workday / Oracle HCM / Successfactors) experince to establish and deliver the integrations sub-workstream from the ground up. This role is critical for technical readiness, involving the design of integration patterns that will connect the new HCM with crucial internal and external systems across HR, Finance, and Payroll. The Role: End-to-End Integration Strategy & Delivery - You will report directly to the Senior Technical Delivery Manager, acting as the primary authority for all Workday integration design and delivery. * Integration Strategy: Define, develop, and own the Workday integration strategy and road
FEATURED
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API development using technologies and standards like REST/GraphQL/gRPC or similar.
API development using technologies and standards like REST/GraphQL/gRPC or similar.
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Experience with API development and integration
Experience with API development and integration
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A solid understanding of design patterns, microservices architecture and RESTful API development is required, along with the ability to turn wireframes and UI designs into functioning applications.
A solid understanding of design patterns, microservices architecture and RESTful API development is required, along with the ability to turn wireframes and UI designs into functioning applications.
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Senior Android Engineer (Native Integration & Security)
Senior Android Engineer (Native Integration & Security)
Ventula Consulting Limited
The City, City of London (EC3), EC3V 9DU
Up to £150,000 per annum
Build a robust, efficient, and scalable client-side API integration layer to consume real-time security signals (like our proprietary Scam_Score) from the AI Core. Partner with the Senior Backend Engineer (Application & AI Orchestration) to define the API contracts and real-time data flow needed to power the Security Shield.
Build a robust, efficient, and scalable client-side API integration layer to consume real-time security signals (like our proprietary Scam_Score) from the AI Core. Partner with the Senior Backend Engineer (Application & AI Orchestration) to define the API contracts and real-time data flow needed to power the Security Shield.
Senior Android Engineer (Native Integration & Security)
Senior Android Engineer (Native Integration & Security)
Ventula Consulting Limited
The City, City of London (EC3), EC3V 9DU
Up to £150,000 per annum
Build a robust, efficient, and scalable client-side API integration layer to consume real-time security signals (like our proprietary Scam_Score) from the AI Core. Partner with the Senior Backend Engineer (Application & AI Orchestration) to define the API contracts and real-time data flow needed to power the Security Shield.
Build a robust, efficient, and scalable client-side API integration layer to consume real-time security signals (like our proprietary Scam_Score) from the AI Core. Partner with the Senior Backend Engineer (Application & AI Orchestration) to define the API contracts and real-time data flow needed to power the Security Shield.
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Remote Head of AI Software Development - Python, Azure, AI Platform
Remote Head of AI Software Development - Python, Azure, AI Platform
Recruitment Revolution
City of London (EC1), EC2A 4NE
Competitive Salary + 20% bonus + Equity
• Shape the platform architecture, ensuring scalable, secure, cloud-native design across AI, data, and API layers.
• Shape the platform architecture, ensuring scalable, secure, cloud-native design across AI, data, and API layers.
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Responsibilities include API development, system integration, dataoptimization, and performance tuning.
Responsibilities include API development, system integration, dataoptimization, and performance tuning.
Senior Backend Engineer (Telco Integration Lead) Golang
Senior Backend Engineer (Telco Integration Lead) Golang
Ventula Consulting Limited
The City, City of London (EC3), EC3V 9DU
Up to £160,000 per annum
We are seeking a foundational engineer to own our single greatest strategic asset: our unique, privileged access to network-level intelligence via the GSMA CAMARA API standard. Own and build the Security Signal Ingestion path, the secure, low-latency, and out-of-band data channel connecting to our founding members' network API gateways. Ensure all network API integrations meet the stringent P99 latency budgets (e.g., < 150ms) required to support our sub-500ms Time-to-Trust product goal. Collaborate with the platform team to build a parallel development path using mocked data to mitigate risks of network API delays. Deep understanding of API design (REST, gRPC, Webhooks) and API security (OAuth 2.0, mTLS, JWTs).
We are seeking a foundational engineer to own our single greatest strategic asset: our unique, privileged access to network-level intelligence via the GSMA CAMARA API standard. Own and build the Security Signal Ingestion path, the secure, low-latency, and out-of-band data channel connecting to our founding members' network API gateways. Ensure all network API integrations meet the stringent P99 latency budgets (e.g., < 150ms) required to support our sub-500ms Time-to-Trust product goal. Collaborate with the platform team to build a parallel development path using mocked data to mitigate risks of network API delays. Deep understanding of API design (REST, gRPC, Webhooks) and API security (OAuth 2.0, mTLS, JWTs).
NEW
Principal Developer C# & Azure
Principal Developer C# & Azure
Opus Enterprise Ltd T/A Real Recruitment
Milton Keynes (MK10)
Excellent salary and benefits package
Azure AI Search, using API and designing indexes - Azure AD, Enterprise apps and interactions via Graph API Data sources: via ODBC, RESTful API, Message-based Architectures
Azure AI Search, using API and designing indexes - Azure AD, Enterprise apps and interactions via Graph API Data sources: via ODBC, RESTful API, Message-based Architectures
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Familiarity with distributed systems and API design
Familiarity with distributed systems and API design
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Knowledge of automation and digital tools such as Dynamo, Power BI, Python, or Revit API is desirable.
Knowledge of automation and digital tools such as Dynamo, Power BI, Python, or Revit API is desirable.
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Technical Lead Cloud-Native Engineering | Modern Application Development - Location: London, Manchester or Bristol (Hybrid 60% onsite) Salary: £80,000 £100,000 + Bonus - This role requires the ability to gain SC Clearance - About the Role - This is an excellent opportunity for a Technical Lead to guide high-performing Agile engineering teams and deliver modern, cloud-native applications for major clients. You will bring deep hands-on engineering expertise, make pragmatic architectural decisions, and champion best practices that ensure scalable, resilient and secure production systems. You will play a central role in shaping technical direction, embedding DevOps culture, ensuring strong engineering fundamentals, and working closely with stakeholders to translate requirements into high-quality digital products.
Technical Lead Cloud-Native Engineering | Modern Application Development - Location: London, Manchester or Bristol (Hybrid 60% onsite) Salary: £80,000 £100,000 + Bonus - This role requires the ability to gain SC Clearance - About the Role - This is an excellent opportunity for a Technical Lead to guide high-performing Agile engineering teams and deliver modern, cloud-native applications for major clients. You will bring deep hands-on engineering expertise, make pragmatic architectural decisions, and champion best practices that ensure scalable, resilient and secure production systems. You will play a central role in shaping technical direction, embedding DevOps culture, ensuring strong engineering fundamentals, and working closely with stakeholders to translate requirements into high-quality digital products.
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Solutions Architect
Solutions Architect
Deerfoot Recruitment Solutions
City of London (EC2), EC2Y 9AE
£70000 - £80000 per annum + + Benefits + Bonus + Hybrid Working
Anti-Money Laundering / Financial Crime - Hybrid - 3 days per week in London (near Moorgate) Up to £80,000 + bonus + benefits - Banking / Financial Services - Are you ready to shape the next generation of AML and sanctions technology across the EMEA region of an international banking group? In this techno-functional role (60% technical, 40% functional), you will own the design and evolution of key Anti-Money Laundering and Sanction Screening platforms, working at the heart of Compliance Technology. You will turn complex regulatory requirements into scalable, secure solutions that protect the organisation and its clients. Working hybrid from the banks' London office near Moorgate, you will partner with Compliance, FinCrime, Risk and Technology teams to define the technical roadmap, drive best practice and ensure the platforms can handle massive volumes of transaction a
Anti-Money Laundering / Financial Crime - Hybrid - 3 days per week in London (near Moorgate) Up to £80,000 + bonus + benefits - Banking / Financial Services - Are you ready to shape the next generation of AML and sanctions technology across the EMEA region of an international banking group? In this techno-functional role (60% technical, 40% functional), you will own the design and evolution of key Anti-Money Laundering and Sanction Screening platforms, working at the heart of Compliance Technology. You will turn complex regulatory requirements into scalable, secure solutions that protect the organisation and its clients. Working hybrid from the banks' London office near Moorgate, you will partner with Compliance, FinCrime, Risk and Technology teams to define the technical roadmap, drive best practice and ensure the platforms can handle massive volumes of transaction a
FEATURED
We are looking for Salesforce Architects (Solution and Technical) to help deliver next-gen solutions across Insurance & Financial Services. If you thrive on complex architecture, hands-on design, and steering clients toward best-practice cloud solutions we want to talk! Lead end-to-end Salesforce & SFI Insurance Cloud architecture Drive discovery sessions, technical design, and delivery excellence Guide dev teams, review code, and ensure solution quality Work across OmniStudio, Insurance Cloud, Health Cloud, FSC & Experience Cloud 8+ yrs technical leadership 5+ yrs Salesforce dev (Apex, LWC, APIs) Strong SFI Insurance Cloud experience (Quoting, Policy Admin, FNOL, Claims, etc.) Salesforce/SFI certifications This is a Hybrid contract inside IR 35 Apply now and architect the future!
We are looking for Salesforce Architects (Solution and Technical) to help deliver next-gen solutions across Insurance & Financial Services. If you thrive on complex architecture, hands-on design, and steering clients toward best-practice cloud solutions we want to talk! Lead end-to-end Salesforce & SFI Insurance Cloud architecture Drive discovery sessions, technical design, and delivery excellence Guide dev teams, review code, and ensure solution quality Work across OmniStudio, Insurance Cloud, Health Cloud, FSC & Experience Cloud 8+ yrs technical leadership 5+ yrs Salesforce dev (Apex, LWC, APIs) Strong SFI Insurance Cloud experience (Quoting, Policy Admin, FNOL, Claims, etc.) Salesforce/SFI certifications This is a Hybrid contract inside IR 35 Apply now and architect the future!
Demonstrated technical fluency with cloud-native architectures (e.g., AWS, GCP, Azure), API design, and the infrastructure required to serve and scale LLM-based applications.
Demonstrated technical fluency with cloud-native architectures (e.g., AWS, GCP, Azure), API design, and the infrastructure required to serve and scale LLM-based applications.
Demonstrated technical fluency with cloud-native architectures (e.g., AWS, GCP, Azure), API design, and the infrastructure required to serve and scale LLM-based applications.
Demonstrated technical fluency with cloud-native architectures (e.g., AWS, GCP, Azure), API design, and the infrastructure required to serve and scale LLM-based applications.
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Strong experience with React (including Hooks, Redux, or Context API) to build dynamic and responsive user interfaces.
Strong experience with React (including Hooks, Redux, or Context API) to build dynamic and responsive user interfaces.
Experience developing a commercial/external software product with external API consumers
Experience developing a commercial/external software product with external API consumers
Related Jobs
Locations
- The City, City (EC4)
- The City, City (EC3)
- Shoreditch
- Southwark
- Hinxton
- Ireland
- Lambeth
- Arundel Heights
- Bellfields
- Bloomsbury
- City of London
- Reading
- Central London
- West End
- South East London
- Milton Keynes
- East London
- Oxford
- South West London
- Southampton
- London
- Berkshire
- Hampshire
- Oxfordshire
- Buckinghamshire
- Hertfordshire
- Surrey
- Essex
- West Sussex
- Bedfordshire
- South East
- East Midlands
- Midlands
- South West