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49 Permanent API jobs in Datchet Common + 20 miles
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Senior .Net Integration Developer
Senior .Net Integration Developer
Rise Technical
Maidenhead, Berkshire
£50000.00 - £70000.00 per annum + + Training + Holiday
You will use your expertise in C#/.NET and modern APIs (REST, WebAPI, JSON, OAuth2) to build fault-tolerant, event-driven integrations, support customers and partners with API usage, and deliver clear, high-quality documentation while maintaining security, GDPR compliance, and operational reliability. Taking integration leadership, you will design and maintain well-documented financial and third-party integrations built on modern API standards. * Support customers and partners with integration setup and API usage
You will use your expertise in C#/.NET and modern APIs (REST, WebAPI, JSON, OAuth2) to build fault-tolerant, event-driven integrations, support customers and partners with API usage, and deliver clear, high-quality documentation while maintaining security, GDPR compliance, and operational reliability. Taking integration leadership, you will design and maintain well-documented financial and third-party integrations built on modern API standards. * Support customers and partners with integration setup and API usage
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Backend Engineer
Backend Engineer
Plexus Resource Solutions Ltd
City of London (EC1)
From £100,000 to £150,000 per annum
Develop an API used in the product as well as their users
Develop an API used in the product as well as their users
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Software Architect
Software Architect
Bilge Adam Technologies UK Ltd
Central London (WC1)
From £75,000 to £90,000 per annum
Job description - Job Role: Software/Solution Architect - We are looking to hire an experienced Software Architect. What Youll Be Doing - Youll play a key role in shaping how modern software platforms are designed, integrated, and scaled. * Designing and defining end-to-end Software Architecture * Building scalable, modular, secure platforms * Guiding developers with best practices and architectural patterns * Leading integration between cloud services, APIs, and (at times) connectivity components like telematics or infotainment * Improving performance, security, and long-term maintainability * Collaborating closely with Product and operations teams. This is a role where your technical decisions genuinely shape the future of the product. Who Were Looking For - Someone who is having software architecture experience , thinks in systems, and enjoys working with both high
Job description - Job Role: Software/Solution Architect - We are looking to hire an experienced Software Architect. What Youll Be Doing - Youll play a key role in shaping how modern software platforms are designed, integrated, and scaled. * Designing and defining end-to-end Software Architecture * Building scalable, modular, secure platforms * Guiding developers with best practices and architectural patterns * Leading integration between cloud services, APIs, and (at times) connectivity components like telematics or infotainment * Improving performance, security, and long-term maintainability * Collaborating closely with Product and operations teams. This is a role where your technical decisions genuinely shape the future of the product. Who Were Looking For - Someone who is having software architecture experience , thinks in systems, and enjoys working with both high
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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.
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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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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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Build, deploy, and monitor solutions using AWS services (Lambda, API Gateway, CloudWatch, ECS, ECR, Dynamo, S3 etc.) * Design, deploy, and manage applications tailored to business needs, while customizing platforms and overseeing the full API lifecycle using Apigee Edge and X. * Drive API strategy execution, provide technical support, and generate insights through analytics to enhance integrations and documentation. * Ability to generate custom analytics reports for API consumption and errors * Implementation of API security and access control (OAuth, API keys, JWT, etc.) * Familiarity with API design patterns, best practices, and performance optimization
Build, deploy, and monitor solutions using AWS services (Lambda, API Gateway, CloudWatch, ECS, ECR, Dynamo, S3 etc.) * Design, deploy, and manage applications tailored to business needs, while customizing platforms and overseeing the full API lifecycle using Apigee Edge and X. * Drive API strategy execution, provide technical support, and generate insights through analytics to enhance integrations and documentation. * Ability to generate custom analytics reports for API consumption and errors * Implementation of API security and access control (OAuth, API keys, JWT, etc.) * Familiarity with API design patterns, best practices, and performance optimization
FEATURED
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Solutions Consultant – Integrations
Solutions Consultant – Integrations
ARC IT Recruitment Ltd
West End, Central London (W1), W1G
£competitive + Bonus + Excellent Benefits
Familiar with setting up API connections, mapping data and managing transformation rules.
Familiar with setting up API connections, mapping data and managing transformation rules.
Vitest/Jest, Docker, CI/CD (GitHub Actions), Shadcn/MUI, MongoDB, microservices, Cloudflare/CDNs, Firebase, Google Maps API, startup experience.
Vitest/Jest, Docker, CI/CD (GitHub Actions), Shadcn/MUI, MongoDB, microservices, Cloudflare/CDNs, Firebase, Google Maps API, startup experience.
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Digital and Web Analyst
Digital and Web Analyst
iQ Student Accommodation Astor House
South East London (SE1), SE1 2DB
£55k - 60k per year + 25 days annual leave (plus bank holidays)
Familiarity with conversion APIs (Meta CAPI, Google Enhanced Conversions, TikTok Events API)
Familiarity with conversion APIs (Meta CAPI, Google Enhanced Conversions, TikTok Events API)
FEATURED
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Thales people architect identity management and data protection solutions at the heart of digital security. Business and governments rely on us to bring trust to the billons of digital interactions they have with people. Our technologies and services help banks exchange funds, people cross borders, energy become smarter and much more. More than 30,000 organizations already rely on us to verify the identities of people and things, grant access to digital services, analyze vast quantities of information and encrypt data to make the connected world more secure. Together we offer fantastic opportunities for committed employees to learn and develop their career with us. At Thales UK, we research, develop, and supply technology and services that impact the lives of millions of people each day to make life better, and keep us safer.
Thales people architect identity management and data protection solutions at the heart of digital security. Business and governments rely on us to bring trust to the billons of digital interactions they have with people. Our technologies and services help banks exchange funds, people cross borders, energy become smarter and much more. More than 30,000 organizations already rely on us to verify the identities of people and things, grant access to digital services, analyze vast quantities of information and encrypt data to make the connected world more secure. Together we offer fantastic opportunities for committed employees to learn and develop their career with us. At Thales UK, we research, develop, and supply technology and services that impact the lives of millions of people each day to make life better, and keep us safer.
Solution Architect
Solution Architect
McGregor Boyall Associates Limited
South West London (SW1)
£90000.00 - £120000.00 per annum
Solutions Architect £90,000 - £120,000 - Central London, 5 days onsite a week - Looking for candidates with experience of working within logistics, heavy industry or businesses with significant physical assets ! This logistics business, based in central London, has undertaken a significant change and transformation programme, the outcome of which is a new multi SAAS platform that will underpins the future state of the architecture. As part of this programme we are looking for a Solution Architect to contribute to shaping the future-state architecture that enables the organisation to meet its strategic business goals. This role ensures that technology solutions directly support desired business outcomes - such as improved efficiency, customer experience, scalability, and innovation-while maintaining strong architectural integrity.
Solutions Architect £90,000 - £120,000 - Central London, 5 days onsite a week - Looking for candidates with experience of working within logistics, heavy industry or businesses with significant physical assets ! This logistics business, based in central London, has undertaken a significant change and transformation programme, the outcome of which is a new multi SAAS platform that will underpins the future state of the architecture. As part of this programme we are looking for a Solution Architect to contribute to shaping the future-state architecture that enables the organisation to meet its strategic business goals. This role ensures that technology solutions directly support desired business outcomes - such as improved efficiency, customer experience, scalability, and innovation-while maintaining strong architectural integrity.
Build, deploy, and monitor solutions using AWS services (Lambda, API customizing platforms and overseeing the full API lifecycle using Apigee Edge and X. Drive API strategy execution, provide technical support, and generate insights - o Ensure API security and access control using OAuth, API keys, JWT, and other - o Strong knowledge of Apigee or similar API Management platforms. o Implement API design patterns, performance optimization, and custom - analytics reporting for API consumption and error tracking.
Build, deploy, and monitor solutions using AWS services (Lambda, API customizing platforms and overseeing the full API lifecycle using Apigee Edge and X. Drive API strategy execution, provide technical support, and generate insights - o Ensure API security and access control using OAuth, API keys, JWT, and other - o Strong knowledge of Apigee or similar API Management platforms. o Implement API design patterns, performance optimization, and custom - analytics reporting for API consumption and error tracking.
FEATURED
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Get your API on!
Get your API on!
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Interact with API systems to query and retrieve data for analysis. * Knowledge of querying API systems.
Interact with API systems to query and retrieve data for analysis. * Knowledge of querying API systems.
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Associate Engineering Manager - Salesforce
Associate Engineering Manager - Salesforce
The Stepstone Group
Southwark, South East London (SE1), SE1 0TA
Competitive salary
Occasionally, being able to lend hands-on support to the team working on and using the following technologies: Salesforce (APEX classes, metadata API, etc.) and Salesforce CLI (SFDX), Visual Studio Code, Git, CI/CD, AWS * Technical knowledge and understanding of Salesforce (APEX classes, metadata API, etc.) and Salesforce CLI (SFDX); Sales cloud essential,?marketing cloud desirable, CPQ cloud?desirable,?
Occasionally, being able to lend hands-on support to the team working on and using the following technologies: Salesforce (APEX classes, metadata API, etc.) and Salesforce CLI (SFDX), Visual Studio Code, Git, CI/CD, AWS * Technical knowledge and understanding of Salesforce (APEX classes, metadata API, etc.) and Salesforce CLI (SFDX); Sales cloud essential,?marketing cloud desirable, CPQ cloud?desirable,?
NEWPREMIUMEQUALITY BOOST
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As a Technical Business Analyst you will be working on our consulting projects, primarily designing RESTful API services. * Capture and curate business requirements and system documentation in JIRA/Confluence, user stories, API design, API enhancements * Design RESTful web APIs for new and existing products in an API first context, in accordance with strategic guidance provided by the technical architect. Specify contracts for messaging and web services, primarily using JSON Schema and Open API Specification (Swagger), respectively. * Comfortable working with source code (Git) to manage API specifications. * Able to work with a web API testing tool such as Postman, including crafting authentication tokens
As a Technical Business Analyst you will be working on our consulting projects, primarily designing RESTful API services. * Capture and curate business requirements and system documentation in JIRA/Confluence, user stories, API design, API enhancements * Design RESTful web APIs for new and existing products in an API first context, in accordance with strategic guidance provided by the technical architect. Specify contracts for messaging and web services, primarily using JSON Schema and Open API Specification (Swagger), respectively. * Comfortable working with source code (Git) to manage API specifications. * Able to work with a web API testing tool such as Postman, including crafting authentication tokens
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Get your API on!
Get your API on!
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Principal Technical Safety Consultants (CFD) – London
Principal Technical Safety Consultants (CFD) – London
Risktec Solutions Ltd
South East London (SE1), SE1 2LB
Competitive
Familiarity with industry regulations and safety standards such as ATEX, DSEAR, API, or other relevant safety standards would be an advantage.
Familiarity with industry regulations and safety standards such as ATEX, DSEAR, API, or other relevant safety standards would be an advantage.
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To work with a Senior Product Manager to continually improve The client's digital proposition, which could include product ownership of the newly introduced 'My The client' platform and commercial B2B API portal. Deliver innovative digital experiences to a global audience to improve conversion, revenue and third-party developers using the commercial B2B API portal. API product experience will be a further advantage. Thorough understanding of API development along with demonstrable experience of launching and maintaining B2B portals.
To work with a Senior Product Manager to continually improve The client's digital proposition, which could include product ownership of the newly introduced 'My The client' platform and commercial B2B API portal. Deliver innovative digital experiences to a global audience to improve conversion, revenue and third-party developers using the commercial B2B API portal. API product experience will be a further advantage. Thorough understanding of API development along with demonstrable experience of launching and maintaining B2B portals.
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Windsor, UK - Will the role be 100% remote, Hybrid or 100% office? (Mandatory) Hybrid (visit to office once every week) to begin with - Is BGC required to completed before joining?(Y/N) * Participate in refining and scoping upcoming sprint work. * Assist solution architects with technical design and breaking down complex tasks. * Accountable for timely delivery of assigned tickets, meeting acceptance criteria. * Conduct spikes/investigations into innovative technologies for future project viability. * Ensure teammates' work meets code quality standards through reviews. * Coordinate with other teams for integrations, ensuring alignment of tasks and APIs. * Work with the QA team to investigate and resolve issues. * Mentor junior team members, providing assistance with tasks and problem-solving. * At least 5+ years Salesforce, both declarative and programmatic * Sales an
Windsor, UK - Will the role be 100% remote, Hybrid or 100% office? (Mandatory) Hybrid (visit to office once every week) to begin with - Is BGC required to completed before joining?(Y/N) * Participate in refining and scoping upcoming sprint work. * Assist solution architects with technical design and breaking down complex tasks. * Accountable for timely delivery of assigned tickets, meeting acceptance criteria. * Conduct spikes/investigations into innovative technologies for future project viability. * Ensure teammates' work meets code quality standards through reviews. * Coordinate with other teams for integrations, ensuring alignment of tasks and APIs. * Work with the QA team to investigate and resolve issues. * Mentor junior team members, providing assistance with tasks and problem-solving. * At least 5+ years Salesforce, both declarative and programmatic * Sales an
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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
Reading (RG1), RG1
Competitive Salary Plus Benefits
• 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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Senior Backend Engineer - Systmes Design - Golang
Senior Backend Engineer - Systmes Design - Golang
Ventula Consulting Limited
City of London (EC1)
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 buildthe Security Signal Ingestion path, the secure, low-latency, and out-of-band data channel connecting to our founding members' network API gateways. * Ensureall network API integrations meet the stringent P99 latency budgets (e.g., < 150ms) required to support our sub-500ms Time-to-Trust product goal. * Collaboratewith 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 buildthe Security Signal Ingestion path, the secure, low-latency, and out-of-band data channel connecting to our founding members' network API gateways. * Ensureall network API integrations meet the stringent P99 latency budgets (e.g., < 150ms) required to support our sub-500ms Time-to-Trust product goal. * Collaboratewith 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).
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Software Engineering Manager - Unified Client Experience (UCX)
Software Engineering Manager - Unified Client Experience (UCX)
Hargreaves Lansdown
City of London (EC1)
£90000 - £115000 per annum + Generous bonus, pension, PMI and more
Strong understanding of secure API integration, authentication flows, and modern UI/UX architecture.
Strong understanding of secure API integration, authentication flows, and modern UI/UX architecture.
FEATURED
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- The City, City (EC4)
- Shoreditch
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- The City, City (EC2)
- Hinxton
- Southwark
- Arundel Heights
- Bloomsbury
- Causeway
- Covent Garden
- City of London
- Central London
- West End
- Milton Keynes
- South East London
- East London
- Reading
- Southampton
- Stevenage
- West London
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- Oxfordshire
- Surrey
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