Date posted
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Locations
Locations
Salaries
Date posted
Type of Company
Job types
Locations
65 Contract API jobs in Addlestone + 20 miles
693 exact matches jobs are outside your preferred location
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Location: Surrey/Hampshire - Hybrid - Salary: £55,000 - £75,000 + DV bonus + excellent benefits - Clearance Required: Must hold eDV level security clearance - Join a mission-led organisation delivering cutting-edge software solutions within the UK National Security, Defence, and Intelligence sectors. We’re recruiting for a Full Stack Software Engineer to work on high-impact, secure technology projects that support national safety and infrastructure. You’ll work across the full development lifecycle, using modern tools and frameworks to build secure, scalable, and innovative systems. Key Responsibilities * Design, develop and deploy secure full stack applications * Write clean, test-driven code (TDD/BDD) * Integrate frontend components with APIs and backend systems * Maintain and enhance core architecture (data ingestion, APIs, storage)
Location: Surrey/Hampshire - Hybrid - Salary: £55,000 - £75,000 + DV bonus + excellent benefits - Clearance Required: Must hold eDV level security clearance - Join a mission-led organisation delivering cutting-edge software solutions within the UK National Security, Defence, and Intelligence sectors. We’re recruiting for a Full Stack Software Engineer to work on high-impact, secure technology projects that support national safety and infrastructure. You’ll work across the full development lifecycle, using modern tools and frameworks to build secure, scalable, and innovative systems. Key Responsibilities * Design, develop and deploy secure full stack applications * Write clean, test-driven code (TDD/BDD) * Integrate frontend components with APIs and backend systems * Maintain and enhance core architecture (data ingestion, APIs, storage)
FEATURED
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Proficiency in data integration, API design, and user interface considerations.
Proficiency in data integration, API design, and user interface considerations.
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Backend API development + frontend (React/JavaScript) for annotation tools.
Backend API development + frontend (React/JavaScript) for annotation tools.
PREMIUM
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Build API-driven architectures, event streams, and real-time analytics pipelines using AWS services. * Expertise in AWS services: IAM, VPC, Lambda, API Gateway, EventBridge, Kinesis, CloudWatch, DynamoDB.
Build API-driven architectures, event streams, and real-time analytics pipelines using AWS services. * Expertise in AWS services: IAM, VPC, Lambda, API Gateway, EventBridge, Kinesis, CloudWatch, DynamoDB.
NEWPREMIUM
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UKIC Cleared Senior Front-end JavaScript Developer
UKIC Cleared Senior Front-end JavaScript Developer
Damia Group Ltd
UK
£40000 - £80000 per annum + and bonus
Familiarity with microservices architecture and API development (REST, GraphQL).
Familiarity with microservices architecture and API development (REST, GraphQL).
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Develop iOS applications (Swift or Objective-C) with RESTful API integrations.
Develop iOS applications (Swift or Objective-C) with RESTful API integrations.
NEWFEATURED
API-centric architectures.
API-centric architectures.
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Knowledge of SQL, JSON, API testing, and CI/CD integration.
Knowledge of SQL, JSON, API testing, and CI/CD integration.
NEWFEATURED
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Skilled in integrating third-party services, including API management (e.g., Google Apigee) and Identity Access Management (e.g., Okta).
Skilled in integrating third-party services, including API management (e.g., Google Apigee) and Identity Access Management (e.g., Okta).
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Strong technical skills: HTML, CSS, basic JavaScript, API integrations, Workato and troubleshooting.
Strong technical skills: HTML, CSS, basic JavaScript, API integrations, Workato and troubleshooting.
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API development and integration (preferably using Go but not essential).
API development and integration (preferably using Go but not essential).
NEWPREMIUM
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The Hoddesdon site has state-of-the-art Good Manufacturing Practice (GMP) standard facilities for the development of Active Pharmaceutical Ingredients (API), Formulation Development (FD) and Process Chemistry (PC).
The Hoddesdon site has state-of-the-art Good Manufacturing Practice (GMP) standard facilities for the development of Active Pharmaceutical Ingredients (API), Formulation Development (FD) and Process Chemistry (PC).
NEW
Experience in scripting in (i.e., PowerShell, REST API, PowerShell, JSON).
Experience in scripting in (i.e., PowerShell, REST API, PowerShell, JSON).
NEWPREMIUM
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Experience with real-time model inference and API development (e.g., FastAPI, Flask).
Experience with real-time model inference and API development (e.g., FastAPI, Flask).
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Experience with relational databases and API design.
Experience with relational databases and API design.
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The Hoddesdon site has state-of-the-art Good Manufacturing Practice (GMP) standard facilities for the development of Active Pharmaceutical Ingredients (API), Formulation Development (FD) and Process Chemistry (PC).
The Hoddesdon site has state-of-the-art Good Manufacturing Practice (GMP) standard facilities for the development of Active Pharmaceutical Ingredients (API), Formulation Development (FD) and Process Chemistry (PC).
NEW
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This could be a new language, an internal codebase or a new API.
This could be a new language, an internal codebase or a new API.
Collaborate closely with backend teams to evolve API contracts, caching and data-fetching strategies for resilient, scalable UX
Collaborate closely with backend teams to evolve API contracts, caching and data-fetching strategies for resilient, scalable UX
GraphQL and API design : Building, consuming, and documenting APIs, ideally with experience in GraphQL.
GraphQL and API design : Building, consuming, and documenting APIs, ideally with experience in GraphQL.
API Interaction: Familiarity with APIs, particularly in Python
API Interaction: Familiarity with APIs, particularly in Python
Proficiency in Python, Go, and/or Node.js with strong API development experience. * Strong knowledge of enterprise auth (OAuth, SAML, JWT, SSO) and secure API design.
Proficiency in Python, Go, and/or Node.js with strong API development experience. * Strong knowledge of enterprise auth (OAuth, SAML, JWT, SSO) and secure API design.
Work with back-end teams to align API integration and interface logic.
Work with back-end teams to align API integration and interface logic.
Deep knowledge of at least one modern graphics API (DirectX 12)
Deep knowledge of at least one modern graphics API (DirectX 12)
The platform supports everything from game deployment and integration to player session management, promotions, reporting, and third-party API connectivity.
The platform supports everything from game deployment and integration to player session management, promotions, reporting, and third-party API connectivity.
Experience with front-end JS frameworks (ideally Vue.js 3 + Composition API)
Experience with front-end JS frameworks (ideally Vue.js 3 + Composition API)
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