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101 Contract API jobs in Twickenham + 20 miles
539 exact matches jobs are outside your preferred location
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This is a newly created position for a Dynamics 365 Analyst with solid integration & configuration experience to join a global leading firm based in the East Grinstead area of West Sussex. This role is paying £45,000 and offers hybrid working (3 days in the office, 2 days from home). To be considered for this position you will have a good understanding and experience of Dynamics 365 & ERP platforms. This will include integration, configuring and upgrading D365 modules, APIs, and web services (REST & Soap). Based in the East Grinstead area of West Sussex, my client is offering a salary of £45,000 in a hybrid work environment (3 days in the office and 2 days from home), and the chance to work on the latest ERP technologies. If you have previous experience with Dynamics 365 and you are looking for a new position, please send me your CV immediately.
This is a newly created position for a Dynamics 365 Analyst with solid integration & configuration experience to join a global leading firm based in the East Grinstead area of West Sussex. This role is paying £45,000 and offers hybrid working (3 days in the office, 2 days from home). To be considered for this position you will have a good understanding and experience of Dynamics 365 & ERP platforms. This will include integration, configuring and upgrading D365 modules, APIs, and web services (REST & Soap). Based in the East Grinstead area of West Sussex, my client is offering a salary of £45,000 in a hybrid work environment (3 days in the office and 2 days from home), and the chance to work on the latest ERP technologies. If you have previous experience with Dynamics 365 and you are looking for a new position, please send me your CV immediately.
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Senior Frontend Engineer (Next.js / React) High-Growth SaaS | Build Elegant, User-First Products - In partnership with Robert Half Limited. We're a high-growth SaaS company scaling fast, and we're looking for a Senior Frontend Engineer to join our team. This is a chance to shape products used by thousands of customers, working with modern tools and a team that values craftsmanship, speed, and impact. What You'll Do * Build and scale complex, high-performing web applications with Next.js and React * Collaborate with design and product to create polished, intuitive, responsive interfaces * Drive improvements in performance, accessibility, and scalability across platforms * Contribute to architecture decisions, code reviews, and design discussions * Champion best practices in frontend engineering, testing, and CI/CD * Mentor and support teammates to raise the engineering
Senior Frontend Engineer (Next.js / React) High-Growth SaaS | Build Elegant, User-First Products - In partnership with Robert Half Limited. We're a high-growth SaaS company scaling fast, and we're looking for a Senior Frontend Engineer to join our team. This is a chance to shape products used by thousands of customers, working with modern tools and a team that values craftsmanship, speed, and impact. What You'll Do * Build and scale complex, high-performing web applications with Next.js and React * Collaborate with design and product to create polished, intuitive, responsive interfaces * Drive improvements in performance, accessibility, and scalability across platforms * Contribute to architecture decisions, code reviews, and design discussions * Champion best practices in frontend engineering, testing, and CI/CD * Mentor and support teammates to raise the engineering
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Software Support Engineer
Software Support Engineer
S-SA Digital Recruitment Ltd
MK41, Bedford
From £32,000 to £38,000 per annum Excellent Benefits
Bedford Hybrid (1 day a week office) £3038k + Benefits UK Only (ILR or above due to clearance) Join a leading SaaS company as a Software Support Engineer, helping customers get the best from their low-code, SaaS platform. Youll be the bridge between development and clients solving issues, supporting workflows, and delivering excellent service. * Software/Application Support experience (or relevant degree) * Knowledge of JavaScript, HTML, CSS, APIs * Strong communication & problem-solving skills * Customer-focused, logical, calm under pressure Nice to have: Low-Code, SaaS, DevOps, ITIL, Software Testing This is an exciting chance to build your career in tech with clear progression in a fast-growing SaaS business, offering hybrid working with 1 day a week in the office. Apply now with your CV for immediate interview!
Bedford Hybrid (1 day a week office) £3038k + Benefits UK Only (ILR or above due to clearance) Join a leading SaaS company as a Software Support Engineer, helping customers get the best from their low-code, SaaS platform. Youll be the bridge between development and clients solving issues, supporting workflows, and delivering excellent service. * Software/Application Support experience (or relevant degree) * Knowledge of JavaScript, HTML, CSS, APIs * Strong communication & problem-solving skills * Customer-focused, logical, calm under pressure Nice to have: Low-Code, SaaS, DevOps, ITIL, Software Testing This is an exciting chance to build your career in tech with clear progression in a fast-growing SaaS business, offering hybrid working with 1 day a week in the office. Apply now with your CV for immediate interview!
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Data Consultant
Data Consultant
Fortice Ltd
London
From £45,000 to £80,000 per annum Open to candidates of all experience
London | Hybrid Working - Chance to join a specialist consultancy working with organisations across the UK Public Sector to deliver impactful digital transformation. We are looking for a talented Data Consultant with hands-on expertise in AWS and Python to join our growing London team. The Role - As a Data Consultant, you will work with public sector clients to design, build and deliver innovative data solutions. Youll help organisations harness their data through scalable cloud platforms, modern data engineering practices, and insightful analytics. This role combines technical delivery with stakeholder engagement, making it ideal for consultants who enjoy bridging the gap between data and strategy. Key Responsibilities * Design and implement data pipelines and architectures in AWS. * Develop solutions using Python for data integration, analysis, and automation.
London | Hybrid Working - Chance to join a specialist consultancy working with organisations across the UK Public Sector to deliver impactful digital transformation. We are looking for a talented Data Consultant with hands-on expertise in AWS and Python to join our growing London team. The Role - As a Data Consultant, you will work with public sector clients to design, build and deliver innovative data solutions. Youll help organisations harness their data through scalable cloud platforms, modern data engineering practices, and insightful analytics. This role combines technical delivery with stakeholder engagement, making it ideal for consultants who enjoy bridging the gap between data and strategy. Key Responsibilities * Design and implement data pipelines and architectures in AWS. * Develop solutions using Python for data integration, analysis, and automation.
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NEW CONTRACT iOS DEVELOPER ROLE AVAILABLE - REMOTE (UK/EU-BASED) * Outside IR35 * 9-12 Month Initial Contract | Start ASAP | Likely Extension - A new contract opportunity for a skilled iOS Developer to build and deploy AI-powered fintech mobile apps. You will work on secure, high-quality solutions while integrating machine learning features such as NLP and recommendation systems. * Develop and deploy iOS apps (Swift / Objective-C, iOS SDK, App Store). * Integrate RESTful APIs and backend services into iOS applications. * Embed AI/ML features (NLP, recommendation engines) into mobile workflows. * Deliver compliant and secure fintech solutions (GDPR, OAuth, encryption). * Experience managing projects end-to-end (greenfield exp.) * Strong expertise in iOS development (Swift / Objective-C, iOS SDK, App Store deployment)
NEW CONTRACT iOS DEVELOPER ROLE AVAILABLE - REMOTE (UK/EU-BASED) * Outside IR35 * 9-12 Month Initial Contract | Start ASAP | Likely Extension - A new contract opportunity for a skilled iOS Developer to build and deploy AI-powered fintech mobile apps. You will work on secure, high-quality solutions while integrating machine learning features such as NLP and recommendation systems. * Develop and deploy iOS apps (Swift / Objective-C, iOS SDK, App Store). * Integrate RESTful APIs and backend services into iOS applications. * Embed AI/ML features (NLP, recommendation engines) into mobile workflows. * Deliver compliant and secure fintech solutions (GDPR, OAuth, encryption). * Experience managing projects end-to-end (greenfield exp.) * Strong expertise in iOS development (Swift / Objective-C, iOS SDK, App Store deployment)
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Front End Games Developer - Hybrid Remote
Front End Games Developer - Hybrid Remote
VERTECH GROUP (UK) LTD
OX4, Oxford
From £55,000 to £75,000 per annum + Bonus + Benefits
Front End Game Developer - Location:Home Based / 1 day per week in Oxford - Salary:Circa 55K 75K + Bonus + Benefits - Senior Front End Games Developerrequired by fast-growing, Top Tech Company! This is a diverse, challenging role in a talented team where youll be building cutting-edge casino slot games, driving feature development, shaping the architecture, and mentoring junior developers * At least 5yrs development experience * Games development experience * Mobile-first mindset * HTML5, TypeScript * PixiJS, Phaser or similar * WebGL or Canvas 2D APIs * Git or similar * Maths, statistics, or physics background * 3D development experience - Tremendous opportunity offering plenty of scope for career progression in a friendly, innovative environment where youll be able to bring ideas, keep up-to-date with the latest technologies and enjoy a healthy work/life balance!
Front End Game Developer - Location:Home Based / 1 day per week in Oxford - Salary:Circa 55K 75K + Bonus + Benefits - Senior Front End Games Developerrequired by fast-growing, Top Tech Company! This is a diverse, challenging role in a talented team where youll be building cutting-edge casino slot games, driving feature development, shaping the architecture, and mentoring junior developers * At least 5yrs development experience * Games development experience * Mobile-first mindset * HTML5, TypeScript * PixiJS, Phaser or similar * WebGL or Canvas 2D APIs * Git or similar * Maths, statistics, or physics background * 3D development experience - Tremendous opportunity offering plenty of scope for career progression in a friendly, innovative environment where youll be able to bring ideas, keep up-to-date with the latest technologies and enjoy a healthy work/life balance!
FEATURED
Senior Full Stack C# .Net Developer - Hybrid Remote
Senior Full Stack C# .Net Developer - Hybrid Remote
VERTECH GROUP (UK) LTD
OX4, Oxford
From £70,000 to £85,000 per annum + Bonus + Benefits
Senior Full Stack C# .Net Developer - Location:Home based / 1 day per month in Oxford - Salary:Circa 70K 85K DOE + Benefits - Senior Full Stack C# .Net Developerrequired by a well-established and fast-growing Top Tech company! This is a varied, challenging role building mission-critical, user-facing applications used at scale. Youll be developing new features, contribute to key technical decisions, and helping to shape the quality of code across the team * At least 5yrs development experience * Experience with high-traffic, responsive apps and sites * Expertise in C# .Net Core * RESTful APIs * TypeScript &JavaScript * Frameworks: Angular, Vue, or React * HTML5 and CSS3 * Familiarity with CI/CD tools * Version control: Git or similar * SQL Server & MySQL - Tremendous opportunity offering plenty of scope for career progression in a friendly, innovative environment where
Senior Full Stack C# .Net Developer - Location:Home based / 1 day per month in Oxford - Salary:Circa 70K 85K DOE + Benefits - Senior Full Stack C# .Net Developerrequired by a well-established and fast-growing Top Tech company! This is a varied, challenging role building mission-critical, user-facing applications used at scale. Youll be developing new features, contribute to key technical decisions, and helping to shape the quality of code across the team * At least 5yrs development experience * Experience with high-traffic, responsive apps and sites * Expertise in C# .Net Core * RESTful APIs * TypeScript &JavaScript * Frameworks: Angular, Vue, or React * HTML5 and CSS3 * Familiarity with CI/CD tools * Version control: Git or similar * SQL Server & MySQL - Tremendous opportunity offering plenty of scope for career progression in a friendly, innovative environment where
FEATURED
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A fantastic opportunity has arisen for a Data Analyst to join a market leader in environmental safety solutions, based in Dartford. Offering a salary of up to £50,000, this hybrid role requires four days per week in the office and one day working from home. You’ll play a pivotal role in analysing complex datasets, building dashboards, and helping to drive business intelligence across a growing and forward-thinking organisation that supports safe working environments across construction, industrial, and infrastructure sectors. Duties & Responsibilities * Collaborate with key stakeholders to gather and translate business data requirements * Design and maintain reports and dashboards using Power BI and other BI tools * Use Microsoft Fabric and Azure to manage ETL processes across systems * Conduct detailed data validation and ensure consistent data quality standards
A fantastic opportunity has arisen for a Data Analyst to join a market leader in environmental safety solutions, based in Dartford. Offering a salary of up to £50,000, this hybrid role requires four days per week in the office and one day working from home. You’ll play a pivotal role in analysing complex datasets, building dashboards, and helping to drive business intelligence across a growing and forward-thinking organisation that supports safe working environments across construction, industrial, and infrastructure sectors. Duties & Responsibilities * Collaborate with key stakeholders to gather and translate business data requirements * Design and maintain reports and dashboards using Power BI and other BI tools * Use Microsoft Fabric and Azure to manage ETL processes across systems * Conduct detailed data validation and ensure consistent data quality standards
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Job Description Workday Integration Consultant - Key Responsibilities - Design, develop, and maintain Workday integrations including Core Connectors, EIBs, Studio, and custom solutions. Leverage Workday HCM core knowledge to deliver effective integration solutions. Perform XML/XSLT transformations and handle various file formats (CSV, XML, JSON, etc.). Work with APIs, Web Services (SOAP/REST), and file transfer protocols (SFTP/FTP). Ensure accuracy, compliance, and performance of integrations across HR, Payroll, Benefits, and Finance systems. Collaborate with business stakeholders to translate requirements and process logic into actionable code and functional solutions. Troubleshoot, optimize, and support integrations in production environments. Plan, prioritize, and deliver assigned work within agreed timelines. Required Skills & Qualifications
Job Description Workday Integration Consultant - Key Responsibilities - Design, develop, and maintain Workday integrations including Core Connectors, EIBs, Studio, and custom solutions. Leverage Workday HCM core knowledge to deliver effective integration solutions. Perform XML/XSLT transformations and handle various file formats (CSV, XML, JSON, etc.). Work with APIs, Web Services (SOAP/REST), and file transfer protocols (SFTP/FTP). Ensure accuracy, compliance, and performance of integrations across HR, Payroll, Benefits, and Finance systems. Collaborate with business stakeholders to translate requirements and process logic into actionable code and functional solutions. Troubleshoot, optimize, and support integrations in production environments. Plan, prioritize, and deliver assigned work within agreed timelines. Required Skills & Qualifications
Role: API Integration Engineer - We are seeking a highly skilled API Integration Engineer to join our technology team. * Design, build, and maintain API integrations for telecom OSS/BSS systems, Openreach APIs, supplier platforms, and enterprise applications. * Manage API version upgrades and partner change notifications. * Apply robust fault handling, retry logic, and back-off strategies for resilient API operations. * Design and maintain CI/CD pipelines using GitLab, Azure DevOps, and Jenkins for API and data workflow deployments. * Work closely with the Chief Enterprise & Security Officer and enterprise architects to co-develop a five-year, API-first roadmap for intelligent, context-aware systems. * Provide technical leadership and guidance on mode
Role: API Integration Engineer - We are seeking a highly skilled API Integration Engineer to join our technology team. * Design, build, and maintain API integrations for telecom OSS/BSS systems, Openreach APIs, supplier platforms, and enterprise applications. * Manage API version upgrades and partner change notifications. * Apply robust fault handling, retry logic, and back-off strategies for resilient API operations. * Design and maintain CI/CD pipelines using GitLab, Azure DevOps, and Jenkins for API and data workflow deployments. * Work closely with the Chief Enterprise & Security Officer and enterprise architects to co-develop a five-year, API-first roadmap for intelligent, context-aware systems. * Provide technical leadership and guidance on mode
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Experience with MuleSoft and API Gateways.
Experience with MuleSoft and API Gateways.
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Rest API's and Microservice architecture * Restful API Design and development fundamentals * Good SQL knowledge
Rest API's and Microservice architecture * Restful API Design and development fundamentals * Good SQL knowledge
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Rest API's and Microservice architecture * Restful API Design and development fundamentals * Good SQL knowledge
Rest API's and Microservice architecture * Restful API Design and development fundamentals * Good SQL knowledge
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Hands-on experience integrating external data sources into internal systems using ETL pipelines and API-driven data exchange.
Hands-on experience integrating external data sources into internal systems using ETL pipelines and API-driven data exchange.
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4+ years automation testing skills (Selenium, Katalon, GT-UI, GT-API). * Web services testing / API testing skills is a plus.
4+ years automation testing skills (Selenium, Katalon, GT-UI, GT-API). * Web services testing / API testing skills is a plus.
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Experience with API design and development for both internal and external use cases
Experience with API design and development for both internal and external use cases
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As our API Integration Specialist, you will support and help to grow our brand universe. * Around 2-3 years in API integration domain
As our API Integration Specialist, you will support and help to grow our brand universe. * Around 2-3 years in API integration domain
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We are looking for a Staff Software Engineer to join Datadog's API Platform group. This team owns the infrastructure and tooling behind our public API surface, which spans more than 7,000 endpoints and supports a vast range of customers and integrations. As a Staff Engineer, you will have the opportunity to contribute to a broad set of projects across multiple teams that support API routing, reliability, web frameworks, and large-scale automation. You will collaborate with teams that build and evolve internal frameworks, traffic shaping and routing logic, reliability tooling, and developer enablement for API infrastructure. * Lead technical direction across multiple teams spanning API routing, rate limiting, frameworks, reliability tooling, and infrastructure automation. * Help define
We are looking for a Staff Software Engineer to join Datadog's API Platform group. This team owns the infrastructure and tooling behind our public API surface, which spans more than 7,000 endpoints and supports a vast range of customers and integrations. As a Staff Engineer, you will have the opportunity to contribute to a broad set of projects across multiple teams that support API routing, reliability, web frameworks, and large-scale automation. You will collaborate with teams that build and evolve internal frameworks, traffic shaping and routing logic, reliability tooling, and developer enablement for API infrastructure. * Lead technical direction across multiple teams spanning API routing, rate limiting, frameworks, reliability tooling, and infrastructure automation. * Help define
Work closely with the team to develop new features, such as better interpretation layers, enhanced data decoding, and improved API coverage for various blockchain data.
Work closely with the team to develop new features, such as better interpretation layers, enhanced data decoding, and improved API coverage for various blockchain data.
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Knowledge of API testing and tools such as SoapUI or Postman.
Knowledge of API testing and tools such as SoapUI or Postman.
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Technical Architect
Technical Architect
Inspire People
London
£71590 - £85413 per annum + 29% pension + Civil Service benefits
Track record designing and delivering secure cloud solutions using AWS/Azure plus ideally API-driven architecture
Track record designing and delivering secure cloud solutions using AWS/Azure plus ideally API-driven architecture
Knowledge of API design and development best practices
Knowledge of API design and development best practices
Build with modern paradigms : Be comfortable delivering microservices architecture (API, GraphQL), and leverage AI to get things done
Build with modern paradigms : Be comfortable delivering microservices architecture (API, GraphQL), and leverage AI to get things done
You may also be asked to support the testing of releases for our Client API and Mobile Application. * API testing - building out automated test coverage of our RESTful Client API * Collaborate with the external contractor QA resource on specific projects (e.g. automating API testing) and as an additional resource when required
You may also be asked to support the testing of releases for our Client API and Mobile Application. * API testing - building out automated test coverage of our RESTful Client API * Collaborate with the external contractor QA resource on specific projects (e.g. automating API testing) and as an additional resource when required
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Our ideal candidate is an experienced and resourceful engineer, comfortable building relationships with other established product teams to understand where we can use existing learnings to influence decisions and align on approaches, collaborating with frontend engineers to guide and agree API behaviours and expectations through documented contracts, and working closely with product stakeholders to agree on MVP requirements.
Our ideal candidate is an experienced and resourceful engineer, comfortable building relationships with other established product teams to understand where we can use existing learnings to influence decisions and align on approaches, collaborating with frontend engineers to guide and agree API behaviours and expectations through documented contracts, and working closely with product stakeholders to agree on MVP requirements.