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491 exact matches jobs are outside your preferred location
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Hands-on understanding and experience with API testing * Ability to develop functional tests, which exercise the UI, API and DB layers
Hands-on understanding and experience with API testing * Ability to develop functional tests, which exercise the UI, API and DB layers
FEATURED
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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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Configure API connections to CRM systems and Power BI for real-time dashboards. * Experience with API integrations and data visualisation tools (Power BI preferred).
Configure API connections to CRM systems and Power BI for real-time dashboards. * Experience with API integrations and data visualisation tools (Power BI preferred).
NEWFEATURED
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QA Automation Engineer/Tester, Playwright, Remote
QA Automation Engineer/Tester, Playwright, Remote
Sanderson Recruitment
London
£45000 - £55000 per annum + Bonus Scheme, Healthcare
You also will be automating a combination of Performance, UI, API, Accessibility & compatibility test types while also providing insights with the latest approaches to software engineering and be given the opportunity to update and improve the QA stack as appropriate.
You also will be automating a combination of Performance, UI, API, Accessibility & compatibility test types while also providing insights with the latest approaches to software engineering and be given the opportunity to update and improve the QA stack as appropriate.
FEATURED
Build APIs using API-led connectivity and established integration patterns * Expertise in MuleSoft Anypoint Platform, Mule 4, and API-led architecture
Build APIs using API-led connectivity and established integration patterns * Expertise in MuleSoft Anypoint Platform, Mule 4, and API-led architecture
NEWFEATURED
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Familiarity with microservices, API integration patterns and cloud concepts such as AWS.
Familiarity with microservices, API integration patterns and cloud concepts such as AWS.
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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Design and implement Service-Oriented Architecture, API gateways, and scalable integration strategies. * Expert in JavaScript, API protocols, message queuing, and synchronising data across POS, WMS, CRM, and loyalty systems.
Design and implement Service-Oriented Architecture, API gateways, and scalable integration strategies. * Expert in JavaScript, API protocols, message queuing, and synchronising data across POS, WMS, CRM, and loyalty systems.
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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Senior Azure Developer (Azure, SDK, Node)
Senior Azure Developer (Azure, SDK, Node)
MS Talent Ltd
The City, City of London (EC2), EC2M
£400 - £450 per day, Benefits Outside IR35
Senior / Lead Azure Developer (Azure Developer, Microsoft Azure, Node.js, Microsoft SDK, Graph API) Bring a new custom application to the market! This role is for an Azure Developerwith deep experience using Microsoft SDKs, Graph API and enterprise integrations, not just front-end frameworks. As the Lead Azure Developer, you will design Azure-native architecture, build custom components, and integrate with Microsoft Graph API, Azure enterprise apps and other Microsoft SDKs. * Build custom Azure applicationsusing Microsoft SDKs and Graph API If you are a Senior Azure Developer / Lead Azure Developerwho has built custom Microsoft Azure applications using Node.js, Microsoft SDKs and Graph API, and you want a role where that experience actually matters, apply now.
Senior / Lead Azure Developer (Azure Developer, Microsoft Azure, Node.js, Microsoft SDK, Graph API) Bring a new custom application to the market! This role is for an Azure Developerwith deep experience using Microsoft SDKs, Graph API and enterprise integrations, not just front-end frameworks. As the Lead Azure Developer, you will design Azure-native architecture, build custom components, and integrate with Microsoft Graph API, Azure enterprise apps and other Microsoft SDKs. * Build custom Azure applicationsusing Microsoft SDKs and Graph API If you are a Senior Azure Developer / Lead Azure Developerwho has built custom Microsoft Azure applications using Node.js, Microsoft SDKs and Graph API, and you want a role where that experience actually matters, apply now.
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Design and implement Service-Oriented Architecture, API gateways, and scalable integration strategies. * Expert in JavaScript, API protocols, message queuing, and synchronising data across POS, WMS, CRM, and loyalty systems.
Design and implement Service-Oriented Architecture, API gateways, and scalable integration strategies. * Expert in JavaScript, API protocols, message queuing, and synchronising data across POS, WMS, CRM, and loyalty systems.
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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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Senior Embedded Android Developer
Senior Embedded Android Developer
TECHNOLOGY RESOURCING LIMITED
Oxford (OX1)
From £80,000 to £95,000 per annum Hybrid working & Many additional ben
API integration experience.
API integration experience.
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Lead .Net Software Developer
Lead .Net Software Developer
Hireful
Milton Keynes, Buckinghamshire, MK9
£65k - £75k base salary + bonus and great benefits
Are you a hands-on Lead or Senior .Net Developer ready to shape architecture and guide talented developers? Want a hybrid role with 3 days WFH? This is your chance to stay close to the code while making key technical decisions that drive real business impact. You'll join a collaborative, forward-thinking team building cutting-edge products — with the support, tools, and flexibility to thrive. Role: Lead Software Developer, Senior .Net Developer, Software Engineering Manager, Senior Full Stack Developer, Lead .Net Developer, Lead Software Engineer, Senior C# Developer - Salary: £65k - £75k base + Bonus - Benefits: 5% pension, 25 days holiday, 2 wellbeing days, Christmas shutdown, private healthcare, life assurance, cinema tickets & more - Location: Milton Keynes – Hybrid (2 days a week in office) If you’ve got strong .Net (C#) experience and skills in GitHub, APIs, Pos
Are you a hands-on Lead or Senior .Net Developer ready to shape architecture and guide talented developers? Want a hybrid role with 3 days WFH? This is your chance to stay close to the code while making key technical decisions that drive real business impact. You'll join a collaborative, forward-thinking team building cutting-edge products — with the support, tools, and flexibility to thrive. Role: Lead Software Developer, Senior .Net Developer, Software Engineering Manager, Senior Full Stack Developer, Lead .Net Developer, Lead Software Engineer, Senior C# Developer - Salary: £65k - £75k base + Bonus - Benefits: 5% pension, 25 days holiday, 2 wellbeing days, Christmas shutdown, private healthcare, life assurance, cinema tickets & more - Location: Milton Keynes – Hybrid (2 days a week in office) If you’ve got strong .Net (C#) experience and skills in GitHub, APIs, Pos
FEATURED
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Role - .Net Engineer - Location - Hybrid, Home and twice a month onsite (multiple locations) Contract - Initial 3 months, high probability of extension to 2027 - Rate - £475 to £525 per day - Start - ASAP - This role has been deemed Inside IR35. You must hold active SC Clearance to be eligible for this role. The Opportunity - We are working in partnership with a leading defence systems integrator to recruit a .Net Engineer for a major long-term programme of work. This is an exciting opportunity to join a highly capable engineering team delivering innovative software solutions across complex and mission-critical environments. If you’re looking to broaden your technical exposure; particularly across modern data platforms and integration technologies—this role offers the chance to grow within a dynamic, fast-moving setting where no two challenges are the same. The Role
Role - .Net Engineer - Location - Hybrid, Home and twice a month onsite (multiple locations) Contract - Initial 3 months, high probability of extension to 2027 - Rate - £475 to £525 per day - Start - ASAP - This role has been deemed Inside IR35. You must hold active SC Clearance to be eligible for this role. The Opportunity - We are working in partnership with a leading defence systems integrator to recruit a .Net Engineer for a major long-term programme of work. This is an exciting opportunity to join a highly capable engineering team delivering innovative software solutions across complex and mission-critical environments. If you’re looking to broaden your technical exposure; particularly across modern data platforms and integration technologies—this role offers the chance to grow within a dynamic, fast-moving setting where no two challenges are the same. The Role
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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.
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Automation skills (PowerShell, Graph API) for identity lifecycle and migration tasks.
Automation skills (PowerShell, Graph API) for identity lifecycle and migration tasks.
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Principal Software Engineer – EV Charging
Principal Software Engineer – EV Charging
Gerrell & Hard
Bicester, Oxfordshire
Unspecified £competitive
Proficiency in API and cloud development (AWS/Azure, MQTT, WebSockets)
Proficiency in API and cloud development (AWS/Azure, MQTT, WebSockets)
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Front Office Developer - Technical Team Lead
Front Office Developer - Technical Team Lead
CMC Markets UK Plc
The City, City of London (EC3), EC3A 7BX
Competitive Salary + Bonus, Pension, Private Health, Life Assurance
Proven experience designing and developing API-based, microservices-driven architectures.
Proven experience designing and developing API-based, microservices-driven architectures.
FEATURED
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Validate API services using Postman and interpret HTTP error codes for backend integration
Validate API services using Postman and interpret HTTP error codes for backend integration
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.
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Principal Engineer
Principal Engineer
Kingston Barnes Engineering
Keeley Green, Bedford (MK42), MK42
£80,000 per annum holiday, pension, sick pay, life assurance
Familiarity with industry standards (ISO, API, HI) and experience testing and validating designs
Familiarity with industry standards (ISO, API, HI) and experience testing and validating designs