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65 API jobs in Oxfordshire + 20 miles
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API development and third-party integrations.
API development and third-party integrations.
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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
Senior Java Developer – AWS Cloud Backend
Senior Java Developer – AWS Cloud Backend
Intelligent Talent Solutions Ltd
Bracknell (RG12)
From £75,000 to £90,000 per annum Pension, staff discounts, medical
Experience building platforms supporting mobile or API-driven products
Experience building platforms supporting mobile or API-driven products
Solid understanding of modern test strategy (UI, API, integration).
Solid understanding of modern test strategy (UI, API, integration).
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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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Applications Support Analyst / Engineer
Applications Support Analyst / Engineer
Kudos Partners
Datchet Common, Slough (SL3), SL3
Up to £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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Business Central Support Analyst
Business Central Support Analyst
360 Resourcing
Slough (SL1), SL1 4DX
£40000.00 to £44000.00 per year Hybrid working, Bonus and superb Bene
Troubleshoot API connections, reviewing payloads, authentication, and performance to maintain stability.
Troubleshoot API connections, reviewing payloads, authentication, and performance to maintain stability.
FEATURED
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Senior Full Stack Software Engineer
Senior Full Stack Software Engineer
Bolt Technical Limited
Milton Keynes (MK1)
From £70,000 to £80,000 per annum
API design experience
API design experience
Application Support Analyst (Business Central)
Application Support Analyst (Business Central)
360 Resourcing
Slough (SL1), SL1 4DX
£40000.00 to £44000.00 per year Hybrid working, Bonus and superb Bene
Troubleshoot API connections, reviewing payloads, authentication, and performance to maintain stability.
Troubleshoot API connections, reviewing payloads, authentication, and performance to maintain stability.
FEATURED
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Manual test engineer (Application testing and network testing)
Manual test engineer (Application testing and network testing)
Gazelle Global Consulting Ltd
Wokingham (RG40)
Unspecified
Validate application workflows, data handling, input validations, error messages, and API responses.
Validate application workflows, data handling, input validations, error messages, and API responses.
NEW
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Solid API experience (REST essential, gRPC/GraphQL a bonus)
Solid API experience (REST essential, gRPC/GraphQL a bonus)
sales Proposal Engineer
sales Proposal Engineer
CONNECT RECRUITMENT CONSULTANTS LIMITED
Burnham, Slough (SL1), SL1
Salary dependent on experience
Ensure proposals comply with applicable codes and standards (API, ISO, client specifications, etc.)
Ensure proposals comply with applicable codes and standards (API, ISO, client specifications, etc.)
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Senior Front End Engineer React & React Native
Senior Front End Engineer React & React Native
EFCI Group Ltd
Bracknell (RG12)
£70,000 per annum benefits
React & React Native Mastery: 5+ years of production-grade experience, with a deep understanding of state management (Zustand/Redux) and API integration.
React & React Native Mastery: 5+ years of production-grade experience, with a deep understanding of state management (Zustand/Redux) and API integration.
)
Design, build and maintain data-intensive web applications and API-driven systems
Design, build and maintain data-intensive web applications and API-driven systems
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If you enjoy owning backend services end to end, care deeply about reliability and API quality, and want to work hands-on with Palantir Foundry in a high-impact environment, this role offers both autonomy and real impact. * Mentor engineers on backend design and API ergonomics. * Experience with API versioning, security, documentation strategies, and automated testing.
If you enjoy owning backend services end to end, care deeply about reliability and API quality, and want to work hands-on with Palantir Foundry in a high-impact environment, this role offers both autonomy and real impact. * Mentor engineers on backend design and API ergonomics. * Experience with API versioning, security, documentation strategies, and automated testing.
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Good foundation in JavaScript, Glide API, Flow Designer, and ServiceNows scripting frameworks, with the ability to design scalable, efficient technical solutions with a Certification in ServiceNow System Administration (CSA).
Good foundation in JavaScript, Glide API, Flow Designer, and ServiceNows scripting frameworks, with the ability to design scalable, efficient technical solutions with a Certification in ServiceNow System Administration (CSA).
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Essential Skills - Solution Architecture and Design Significant experience as a Solution Architect, ideally within complex financial services environments Domain knowledge in o Retail Banking products - e.g. - Unsecured loans Personal Accounts banking & savings and Bonds (fixed term deposits) o Business Segmentation Retail, business banking, private o * Onboarding processes for Personal account o Core Banking products (customers, accounts, pricing, transactions, etc) and related services essential to the operations of a bank Domain driven design, with working knowledge of the BIAN framework, TOGAF, ArchiMate * Proven experience in defining & documenting As-Is & Target Architecture, working with stakeholders to help define & deliver strategic objectives & roadmaps, being embedded into the functional domain, balancing business requirements with functional & technical
Essential Skills - Solution Architecture and Design Significant experience as a Solution Architect, ideally within complex financial services environments Domain knowledge in o Retail Banking products - e.g. - Unsecured loans Personal Accounts banking & savings and Bonds (fixed term deposits) o Business Segmentation Retail, business banking, private o * Onboarding processes for Personal account o Core Banking products (customers, accounts, pricing, transactions, etc) and related services essential to the operations of a bank Domain driven design, with working knowledge of the BIAN framework, TOGAF, ArchiMate * Proven experience in defining & documenting As-Is & Target Architecture, working with stakeholders to help define & deliver strategic objectives & roadmaps, being embedded into the functional domain, balancing business requirements with functional & technical
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Were seeking a talented Full Stack Engineer to help build and scale innovative web applications. If you enjoy working across the full stack and delivering high-performance solutions, this is your opportunity to make a real impact. Location: Reading (2 days a week) * Modern, responsive web applications using React & TypeScript. * Sleek UIs with Tailwind CSS and cutting-edge frontend architecture. * Backend services with Ruby on Rails (essential) or Node.js, integrated via RESTful APIs. * Robust data solutions with PostgreSQL or similar databases. * Scalable deployment pipelines on cloud platforms with full CI/CD workflows. * Automated testing across frontend and backend to ensure reliability and performance. * Optimized client-side performance for smooth user experiences. * Strong commercial experience with React & TypeScript. * Deep expertise in Ruby on Rails (essential).
Were seeking a talented Full Stack Engineer to help build and scale innovative web applications. If you enjoy working across the full stack and delivering high-performance solutions, this is your opportunity to make a real impact. Location: Reading (2 days a week) * Modern, responsive web applications using React & TypeScript. * Sleek UIs with Tailwind CSS and cutting-edge frontend architecture. * Backend services with Ruby on Rails (essential) or Node.js, integrated via RESTful APIs. * Robust data solutions with PostgreSQL or similar databases. * Scalable deployment pipelines on cloud platforms with full CI/CD workflows. * Automated testing across frontend and backend to ensure reliability and performance. * Optimized client-side performance for smooth user experiences. * Strong commercial experience with React & TypeScript. * Deep expertise in Ruby on Rails (essential).
We're looking for a skilled Java Backend Engineer with strong experience in Spring and microservices to join our growing team. It is a UK based, fully remote, outside IR35, initial 6-month contract. * Build and maintain scalable microservices. * Develop REST APIs using Java & Spring. * Collaborate with cross-functional teams. * Write clean, efficient, and testable code. * Strong Java (8+) and Spring experience. * Solid background in microservices architecture. * Experience with REST APIs, Docker, and CI/CD. * Knowledge of databases (SQL). * Knowledge of Azure. Apply now to join a fast-moving, collaborative team.
We're looking for a skilled Java Backend Engineer with strong experience in Spring and microservices to join our growing team. It is a UK based, fully remote, outside IR35, initial 6-month contract. * Build and maintain scalable microservices. * Develop REST APIs using Java & Spring. * Collaborate with cross-functional teams. * Write clean, efficient, and testable code. * Strong Java (8+) and Spring experience. * Solid background in microservices architecture. * Experience with REST APIs, Docker, and CI/CD. * Knowledge of databases (SQL). * Knowledge of Azure. Apply now to join a fast-moving, collaborative team.
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FixMyCar is currently working hard to grow the digitalisation of the UK aftermarket in the Automotive sector, by driving growth for Garages through smarter tools to increase efficiency and meet evolving consumer behaviour. With an exciting mission ahead, we are looking for a proactive Mid-Level NodeJS Engineer to build and evolve scalable backend services using Node.js and TypeScript, working closely across our small team to implement features that truly make an impact to our platform and product. The ideal candidate will love problem-solving, learning new tech, and ensuring high code quality standards at all times. In this hands-on role, they will flourish in an Agile environment and enjoy continuously improving how systems are built, deployed, and scaled. They are a key role in how FixMyCars software applications are developed and maintained. Key Responsibilities
FixMyCar is currently working hard to grow the digitalisation of the UK aftermarket in the Automotive sector, by driving growth for Garages through smarter tools to increase efficiency and meet evolving consumer behaviour. With an exciting mission ahead, we are looking for a proactive Mid-Level NodeJS Engineer to build and evolve scalable backend services using Node.js and TypeScript, working closely across our small team to implement features that truly make an impact to our platform and product. The ideal candidate will love problem-solving, learning new tech, and ensuring high code quality standards at all times. In this hands-on role, they will flourish in an Agile environment and enjoy continuously improving how systems are built, deployed, and scaled. They are a key role in how FixMyCars software applications are developed and maintained. Key Responsibilities
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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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Role/Job Title:Web GIS Developer - Work Location:Wokingham - Mode of Working: Onsite - Duration of Assignment:6 months - Role Summary - We are looking for a skilled Web GIS Developer to design, develop, and maintain GIS-based web applications and services. The candidate will work closely with project teams to build spatial solutions using ESRI technologies, integrate GIS components with enterprise systems, and support geospatial data management and visualization needs. This role requires strong hands on experience in GIS development, spatial databases, web technologies, and ArcGIS Enterprise components. Key Responsibilities - Develop and maintain GIS-based web applications using ESRI technologies. Build and configure applications using ArcGIS Enterprise components such as ArcGIS Portal, ArcGIS Server, and Data Store.
Role/Job Title:Web GIS Developer - Work Location:Wokingham - Mode of Working: Onsite - Duration of Assignment:6 months - Role Summary - We are looking for a skilled Web GIS Developer to design, develop, and maintain GIS-based web applications and services. The candidate will work closely with project teams to build spatial solutions using ESRI technologies, integrate GIS components with enterprise systems, and support geospatial data management and visualization needs. This role requires strong hands on experience in GIS development, spatial databases, web technologies, and ArcGIS Enterprise components. Key Responsibilities - Develop and maintain GIS-based web applications using ESRI technologies. Build and configure applications using ArcGIS Enterprise components such as ArcGIS Portal, ArcGIS Server, and Data Store.
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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
Role Details * Role/Job Title: Salesforce Technical Lead * Work Location: Wokingham/Warwick * Hybrid Requirement: 3 days * Duration of Assignment: 6 months * Other Working Conditions: Work from Office for 3 days must - The Role - Seeking a highly skilled Salesforce Technical Lead to lead the design, development, and delivery of Salesforce solutions. The ideal candidate will have strong hands-on expertise in Salesforce development, proven experience in leading technical teams, and the ability to translate business requirements into robust, scalable technical solutions. Your Responsibilities - Development & Customization * Lead the design, development, and delivery of Salesforce technical solutions * Perform hands-on development using Apex, Lightning Web Components (LWC), Visualforce, and Salesforce Flows * Design and implement customized solutions across Sales Cloud, Service Cloud, and ...
Role Details * Role/Job Title: Salesforce Technical Lead * Work Location: Wokingham/Warwick * Hybrid Requirement: 3 days * Duration of Assignment: 6 months * Other Working Conditions: Work from Office for 3 days must - The Role - Seeking a highly skilled Salesforce Technical Lead to lead the design, development, and delivery of Salesforce solutions. The ideal candidate will have strong hands-on expertise in Salesforce development, proven experience in leading technical teams, and the ability to translate business requirements into robust, scalable technical solutions. Your Responsibilities - Development & Customization * Lead the design, development, and delivery of Salesforce technical solutions * Perform hands-on development using Apex, Lightning Web Components (LWC), Visualforce, and Salesforce Flows * Design and implement customized solutions across Sales Cloud, Service Cloud, and ...
Role Details * Role/Job Title: Salesforce Solution Architect * Work Location: Warwick/Wokingham * Mode of Working: Hybrid * Hybrid Requirement: 3 days * Duration of Assignment: 6 months - The Role - Seeking a highly skilled Salesforce Architect with deep expertise in enterprise-scale Salesforce architecture, complex integrations, and large digital transformation programs. The Salesforce Architect will be responsible for defining end-to-end solution architecture, guiding delivery teams, and partnering with senior business and IT stakeholders to deliver scalable, secure, and business-aligned Salesforce solutions. This role requires strong technical depth, architectural vision, hands-on guidance, and excellent communication and leadership skills. Your Responsibilities - Architecture & Technical Leadership * Define and own the end-to-end Salesforce architecture across enterprise programs
Role Details * Role/Job Title: Salesforce Solution Architect * Work Location: Warwick/Wokingham * Mode of Working: Hybrid * Hybrid Requirement: 3 days * Duration of Assignment: 6 months - The Role - Seeking a highly skilled Salesforce Architect with deep expertise in enterprise-scale Salesforce architecture, complex integrations, and large digital transformation programs. The Salesforce Architect will be responsible for defining end-to-end solution architecture, guiding delivery teams, and partnering with senior business and IT stakeholders to deliver scalable, secure, and business-aligned Salesforce solutions. This role requires strong technical depth, architectural vision, hands-on guidance, and excellent communication and leadership skills. Your Responsibilities - Architecture & Technical Leadership * Define and own the end-to-end Salesforce architecture across enterprise programs
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Locations
- Piccadilly
- Fenny Lock
- Blythe Valley Park
- Burnham
- Camden
- Chilton
- Datchet Common
- Easton
- Englefield Green
- Euston
- Milton Keynes
- Reading
- Birmingham
- Cheltenham
- Central London
- West End
- Bracknell
- Oxford
- Wokingham
- Basingstoke
- London
- Berkshire
- West Midlands
- Gloucestershire
- Oxfordshire
- Surrey
- Buckinghamshire
- Hampshire
- Hertfordshire
- Northamptonshire
- South East
- Midlands
- South West
- East Midlands