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39 Permanent API jobs in Wallingford + 20 miles
760 exact matches jobs are outside your preferred location
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Strong grasp of databases (SQL/NoSQL) and API integrations
Strong grasp of databases (SQL/NoSQL) and API integrations
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Martech Product Owner (iGaming)
Martech Product Owner (iGaming)
Technically Gifted Ltd
City of London (EC1V)
From £70,000 to £80,000 per annum
Ensure scalable, resilient API integration between MarTech tools, the Bonus Engine, product systems, and data warehouses - Define and manage the Bonus Engine roadmap, evolving API capabilities and reward mechanics to support campaign efficiency and player engagement.
Ensure scalable, resilient API integration between MarTech tools, the Bonus Engine, product systems, and data warehouses - Define and manage the Bonus Engine roadmap, evolving API capabilities and reward mechanics to support campaign efficiency and player engagement.
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Act as the champion for TMF ODA and Open API principles across Energy Services Platform. Strong experience designing and implementing solutions using TM Forum Open APIs and a deep understanding of the ODA and Open API frameworks - Proficiency in RESTful API design, JSON, OpenAPI/Swagger specifications, microservices architecture, and cloud-native deployment models (Docker, Kubernetes, public/hybrid cloud platforms)
Act as the champion for TMF ODA and Open API principles across Energy Services Platform. Strong experience designing and implementing solutions using TM Forum Open APIs and a deep understanding of the ODA and Open API frameworks - Proficiency in RESTful API design, JSON, OpenAPI/Swagger specifications, microservices architecture, and cloud-native deployment models (Docker, Kubernetes, public/hybrid cloud platforms)
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Senior/Lead Full Stack Developer (React / Python) AI Start up!
Senior/Lead Full Stack Developer (React / Python) AI Start up!
Robert Half
City of London (EC1)
Negotiable
API & database experience
API & database experience
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Knowledge of ServiceNow scripting (JavaScript, Glide API) a plus.
Knowledge of ServiceNow scripting (JavaScript, Glide API) a plus.
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Senior/Lead Full Stack Developer (React / Python) AI Start up!
Senior/Lead Full Stack Developer (React / Python) AI Start up!
Robert Half
City of London (EC1)
Negotiable
API & database experience
API & database experience
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Assist with company technical direction and architecture for mobile, cloud and API platforms
Assist with company technical direction and architecture for mobile, cloud and API platforms
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Experience of Python, Bash, API's
Experience of Python, Bash, API's
FEATURED
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Senior Identity & Access Management Engineer – Typescript, C#, AWS IAM
Senior Identity & Access Management Engineer – Typescript, C#, AWS IAM
Smart Sourcer Limited
City of London (EC1)
From £85,000 to £90,000 per annum + bonus + benefits
Deliver secure login, SSO, MFA, RBAC/ABAC, and tenant isolation at scale, leveraging AWS services (Lambda, IAM, CloudFront, API Gateway, CDK) Solid AWS expertise (IAM, Lambda, API Gateway, CDK)
Deliver secure login, SSO, MFA, RBAC/ABAC, and tenant isolation at scale, leveraging AWS services (Lambda, IAM, CloudFront, API Gateway, CDK) Solid AWS expertise (IAM, Lambda, API Gateway, CDK)
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Skilled in building robust, optimized API endpoints.
Skilled in building robust, optimized API endpoints.
Applied AI Software Engineer - London (Hybrid) - AWS Partner
Applied AI Software Engineer - London (Hybrid) - AWS Partner
Transparent Technology
London
£75000 - £150000 per annum
As a Software Engineer first, you will have deep expertise in at least one programming language (Python, Node.js, Java, JavaScript, TypeScript, React) and proven experience in productionising GenAI solutions, including integrating LLMs, LangChain, OpenAI API, or Claude.
As a Software Engineer first, you will have deep expertise in at least one programming language (Python, Node.js, Java, JavaScript, TypeScript, React) and proven experience in productionising GenAI solutions, including integrating LLMs, LangChain, OpenAI API, or Claude.
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Director of Technology Architecture and Data
Director of Technology Architecture and Data
Henderson Scott
North West London, London, NW1 7AW
£125000 - £135000 per annum + Hybrid, 30 Days AL,
Oversee cloud architecture (primarily Microsoft Azure), integration patterns, and API frameworks. * API management, data architecture, integration patterns
Oversee cloud architecture (primarily Microsoft Azure), integration patterns, and API frameworks. * API management, data architecture, integration patterns
FEATURED
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We are looking for a strong Full Stack Developer to deliver a short-term project involving a static website build, API scraping, and structured JSON output. * Develop API scraping scripts to extract structured data reliably * Proven experience building API scrapers (Axios, Puppeteer, BeautifulSoup, Cheerio, or similar) * Knowledge of API rate limits and bypass methods
We are looking for a strong Full Stack Developer to deliver a short-term project involving a static website build, API scraping, and structured JSON output. * Develop API scraping scripts to extract structured data reliably * Proven experience building API scrapers (Axios, Puppeteer, BeautifulSoup, Cheerio, or similar) * Knowledge of API rate limits and bypass methods
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Applications Support Analyst / Engineer
Applications Support Analyst / Engineer
Kudos Partners
Datchet Common, Slough (SL3), SL3
£75,000 per annum plus 12% bonus - generous benefits package
API support and monitoring tools (e.g., SolarWinds, AzureAppInsights)
API support and monitoring tools (e.g., SolarWinds, AzureAppInsights)
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Proficiency in API development, integration testing, and cross-platform troubleshooting.
Proficiency in API development, integration testing, and cross-platform troubleshooting.
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Optimize inference performance and cost (e.g., model compression, quantization, API optimization).
Optimize inference performance and cost (e.g., model compression, quantization, API optimization).
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Proficient in automation tooling relevant to SAP & developing scripts (API & UI level)
Proficient in automation tooling relevant to SAP & developing scripts (API & UI level)
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Work across core AWS services (e.g., Lambda, DynamoDB, S3, CloudWatch, IAM, API Gateway) to support and extend contact centre functionality. * Hands-on experience with AWS services such as Lambda, S3, IAM, CloudWatch, DynamoDB, API Gateway.
Work across core AWS services (e.g., Lambda, DynamoDB, S3, CloudWatch, IAM, API Gateway) to support and extend contact centre functionality. * Hands-on experience with AWS services such as Lambda, S3, IAM, CloudWatch, DynamoDB, API Gateway.
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Collaborate effectively with other technical groupssuch as API teamscontributing to low-level API design decisions
Collaborate effectively with other technical groupssuch as API teamscontributing to low-level API design decisions
Familiarity with microservices, API integration patterns and cloud concepts such as AWS.
Familiarity with microservices, API integration patterns and cloud concepts such as AWS.
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Data Engineer
Data Engineer
McGregor Boyall Associates Limited
Turnham Green, West London (W4), W4 1SY
£30000 - £35000 per annum
Develop API integrations to connect multiple business systems
Develop API integrations to connect multiple business systems
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AI Workflow Manager
AI Workflow Manager
Halian Technology Limited
Longbridge, Warwick (CV34), CV34
From £80,000 to £90,000 per annum
Integrating SystemsYou'll build complex API integrations connecting internal systems with external services.
Integrating SystemsYou'll build complex API integrations connecting internal systems with external services.
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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
REST/JSON API design
REST/JSON API design
FEATURED
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Our client is seeking an experienced Technical Architect with strong expertise in integration architecture, systems design best practice, and API design. * Define security standards for all integration points, including OAuth, API key management, encryption, and network segmentation within an Azure environment. * Advanced knowledge of API implementation, message queues (e.g., Azure Service Bus, Kafka), and event-driven architecture. * Deep expertise in RESTful API design, API gateways (ideally Azure API Management), and the OpenAPI specification.
Our client is seeking an experienced Technical Architect with strong expertise in integration architecture, systems design best practice, and API design. * Define security standards for all integration points, including OAuth, API key management, encryption, and network segmentation within an Azure environment. * Advanced knowledge of API implementation, message queues (e.g., Azure Service Bus, Kafka), and event-driven architecture. * Deep expertise in RESTful API design, API gateways (ideally Azure API Management), and the OpenAPI specification.
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Excellent opportunity for an experienced .NET Backend Developer to join a rapidly growing business in London, where you will play a key role in shaping the backend systems, API architecture, and cloud infrastructure that support the company's technology roadmap.
Excellent opportunity for an experienced .NET Backend Developer to join a rapidly growing business in London, where you will play a key role in shaping the backend systems, API architecture, and cloud infrastructure that support the company's technology roadmap.
Related Jobs
Locations
- The City, City (EC4)
- The City, City (EC3)
- Shoreditch
- Southwark
- Lambeth
- Bellfields
- Bloomsbury
- Causeway
- Covent Garden
- Datchet Common
- City of London
- Reading
- Central London
- West End
- Milton Keynes
- South East London
- Southampton
- East London
- North West London
- South West London
- London
- Berkshire
- Buckinghamshire
- Hampshire
- Oxfordshire
- Hertfordshire
- Wiltshire
- Surrey
- Gloucestershire
- Bedfordshire
- South East
- South West
- Midlands
- East Midlands
- West Midlands