Date posted
Commute time
Locations
Type of Company
Job types
Salaries
Locations
Locations
Salaries
Date posted
Type of Company
Job types
Locations
- The City, City (EC3)
- Southwark
- The City, City (EC2)
- The City, City (EC4)
- Duxford
- Felbridge
- Lambeth
- Moorgate
- Shoreditch
- Canary Wharf
- City of London
- Cambridge
- Reading
- Central London
- South East London
- West End
- Northampton
- East London
- North West London
- South West London
- London
- Berkshire
- Cambridgeshire
- Surrey
- Northamptonshire
- Oxfordshire
- Hampshire
- Bedfordshire
- Buckinghamshire
- Hertfordshire
- South East
- East Anglia
- East Midlands
- Midlands
13 Permanent API jobs in Hammerfield + 20 miles
563 exact matches jobs are outside your preferred location
)
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
)
Senior Full Stack Engineer
Senior Full Stack Engineer
REVYBE IT RECRUITMENT LIMITED
EC1, City of London
From £90,000 to £120,000 per annum + Shares
London AI Start-up - Up to £120,000 + Shares + Private Healthcare + Pension - Were working with a well-funded AI start-up in London thats gearing up for huge growth. Theyre expecting to scale 10x over the next 18 months. Theyre now looking for a Senior Full-Stack Engineer to help design and build the next generation of their AI-driven platform. Reporting directly into the CTO and collaborating closely with product and research teams, this is a unique chance to take ownership across the stack and make a lasting impact in a company at the forefront of applied AI. The role - This isnt your standard engineering role youll be working end-to-end across frontend, backend, and cloud infrastructure. Youll build sleek, scalable applications with React and Next.js, design and maintain robust APIs with Node.js and Python, and architect solutions deployed on AWS or GCP.
London AI Start-up - Up to £120,000 + Shares + Private Healthcare + Pension - Were working with a well-funded AI start-up in London thats gearing up for huge growth. Theyre expecting to scale 10x over the next 18 months. Theyre now looking for a Senior Full-Stack Engineer to help design and build the next generation of their AI-driven platform. Reporting directly into the CTO and collaborating closely with product and research teams, this is a unique chance to take ownership across the stack and make a lasting impact in a company at the forefront of applied AI. The role - This isnt your standard engineering role youll be working end-to-end across frontend, backend, and cloud infrastructure. Youll build sleek, scalable applications with React and Next.js, design and maintain robust APIs with Node.js and Python, and architect solutions deployed on AWS or GCP.
)
Mobile Developer (iOS / Android) Smart Home / IoT Apps - Location: UK/EMEA (Fully Remote) Rate: £300 £400 per day - We are seeking a talented and creative Mobile Developer (iOS / Android) to join our clients fast-growing digital and smart home technology team. You will be working on the design, development, and optimisation of innovative mobile applications that power the next generation of home automation and IoT devices, used by thousands of customers daily. This is a fantastic opportunity to make an impact on high-profile projects, working within a collaborative, forward-thinking environment that blends mobile, IoT, cloud, and real-time communication technologies. Key Responsibilities * Develop, test, and deploy high-quality iOS and Android applications (native or cross-platform). * Collaborate with product managers, designers, and backend engineers to define and d
Mobile Developer (iOS / Android) Smart Home / IoT Apps - Location: UK/EMEA (Fully Remote) Rate: £300 £400 per day - We are seeking a talented and creative Mobile Developer (iOS / Android) to join our clients fast-growing digital and smart home technology team. You will be working on the design, development, and optimisation of innovative mobile applications that power the next generation of home automation and IoT devices, used by thousands of customers daily. This is a fantastic opportunity to make an impact on high-profile projects, working within a collaborative, forward-thinking environment that blends mobile, IoT, cloud, and real-time communication technologies. Key Responsibilities * Develop, test, and deploy high-quality iOS and Android applications (native or cross-platform). * Collaborate with product managers, designers, and backend engineers to define and d
)
Graduate Frontend Web Devloper
Graduate Frontend Web Devloper
Oscar Associates (UK) Limited
Nene Valley Retail Park, NN1 1SP
£28000 - £30000 per annum
Graduate Web Developer - Salary: £28,000 - £30,000 per annum - Location: Northamptonshire (easily commutable from Northampton, Milton Keynes, Daventry, Wellingborough, Brackley, Banbury, and nearby areas) Hours: Monday to Friday, 9am - 5pm - The Role - An award-winning and rapidly expanding technology company is seeking a Graduate Web Developer to join its growing development team. This is an exciting opportunity to launch your career in web development, working on WordPress-based projects while learning cutting-edge technologies in a supportive, collaborative environment. Working Pattern * First 6 months: Office-based, 5 days per week (training, mentoring, and integration with the team) * After 6 months: Hybrid working - 2 days from home each week - Key Responsibilities * Develop and maintain customer websites with a strong focus on responsive, user-friendly design
Graduate Web Developer - Salary: £28,000 - £30,000 per annum - Location: Northamptonshire (easily commutable from Northampton, Milton Keynes, Daventry, Wellingborough, Brackley, Banbury, and nearby areas) Hours: Monday to Friday, 9am - 5pm - The Role - An award-winning and rapidly expanding technology company is seeking a Graduate Web Developer to join its growing development team. This is an exciting opportunity to launch your career in web development, working on WordPress-based projects while learning cutting-edge technologies in a supportive, collaborative environment. Working Pattern * First 6 months: Office-based, 5 days per week (training, mentoring, and integration with the team) * After 6 months: Hybrid working - 2 days from home each week - Key Responsibilities * Develop and maintain customer websites with a strong focus on responsive, user-friendly design
FEATURED
)
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!
Salary: £28,000 - £30,000 per annum - Location: Northamptonshire (commutable from Northampton, Milton Keynes, Daventry, Wellingborough, Brackley, Banbury and surrounding areas) Hours: 9am - 5pm, Monday to Friday - The Opportunity - A fast-growing and award-winning technology business is looking for a Graduate Web Developer to join its expanding development team. This is a fantastic opportunity to kickstart your career in web development, working on WordPress-based projects and gaining exposure to the latest technologies in a collaborative and supportive environment. Working Arrangements * First 6 months: 5 days per week onsite (office-based) for training, mentoring, and team integration * After 6 months: Transition to a hybrid model with 2 days working from home each week - What You'll Be Doing * Building new and maintaining existing customer websites with a focus on
Salary: £28,000 - £30,000 per annum - Location: Northamptonshire (commutable from Northampton, Milton Keynes, Daventry, Wellingborough, Brackley, Banbury and surrounding areas) Hours: 9am - 5pm, Monday to Friday - The Opportunity - A fast-growing and award-winning technology business is looking for a Graduate Web Developer to join its expanding development team. This is a fantastic opportunity to kickstart your career in web development, working on WordPress-based projects and gaining exposure to the latest technologies in a collaborative and supportive environment. Working Arrangements * First 6 months: 5 days per week onsite (office-based) for training, mentoring, and team integration * After 6 months: Transition to a hybrid model with 2 days working from home each week - What You'll Be Doing * Building new and maintaining existing customer websites with a focus on
FEATURED
)
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.
As a Data Specialist at this tech scaleup in London, you will analyse, collect, sort, and create data solutions that integrate across multiple products. You will steer decisions regarding data and build the models that power their products. You will take client insights and requirements and make them a reality, by developing datasets and operational models to drive innovation into the product development process. You will interpret your clients objectives, desires, and preferences to help the wider technical team understand the opportunities and apply data engineering responsibilities consistently. You will be working on an interesting range of projects that deliver to National Security customers and as such, you will have to hold the highest level of UK Security Vetting (DV), upon application. Data Engineering tasks
As a Data Specialist at this tech scaleup in London, you will analyse, collect, sort, and create data solutions that integrate across multiple products. You will steer decisions regarding data and build the models that power their products. You will take client insights and requirements and make them a reality, by developing datasets and operational models to drive innovation into the product development process. You will interpret your clients objectives, desires, and preferences to help the wider technical team understand the opportunities and apply data engineering responsibilities consistently. You will be working on an interesting range of projects that deliver to National Security customers and as such, you will have to hold the highest level of UK Security Vetting (DV), upon application. Data Engineering tasks
)
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)
FEATURED
)
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
)
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
)
Proven track record in API design and development.
Proven track record in API design and development.
)
Java Tech Lead Role (2+ years exp in Tech Lead Role) -Java 8+, Spring MVC, SpringBoot, REST API, AWS -Award-Winning UK based FinTech Company -Surrey- Hybrid - 4 days onsite / 1 day WFH -£80,000 - £90,000 (Depending on Experience) I am looking for an Experienced Java Tech Lead who has been leading successful Java teams and is looking for a new challenge - the core tech stack is: Java 8+, Spring MVC, SpringBoot, REST API's and using build tools such as Maven/Gradle.
Java Tech Lead Role (2+ years exp in Tech Lead Role) -Java 8+, Spring MVC, SpringBoot, REST API, AWS -Award-Winning UK based FinTech Company -Surrey- Hybrid - 4 days onsite / 1 day WFH -£80,000 - £90,000 (Depending on Experience) I am looking for an Experienced Java Tech Lead who has been leading successful Java teams and is looking for a new challenge - the core tech stack is: Java 8+, Spring MVC, SpringBoot, REST API's and using build tools such as Maven/Gradle.
Proficiency as a full stack Software Engineer, including front-end web development (CSS, HTML) and backend API design.
Proficiency as a full stack Software Engineer, including front-end web development (CSS, HTML) and backend API design.
)
5+ years experience in working with the .NET framework, particularly with ASP.NET Core, React/React Native, C#, Web API Experience developing REST API-driven mobile first web applications
5+ years experience in working with the .NET framework, particularly with ASP.NET Core, React/React Native, C#, Web API Experience developing REST API-driven mobile first web applications
NEW
)
AWS DevOps Engineer, contract, remote (outside IR35)
AWS DevOps Engineer, contract, remote (outside IR35)
Staffworx Limited
EC1A, City of London
market rates, outside IR35, initial, likely long term extensions
AWS DevOps specialism (Lambda, API Gateway, Route 53, WAF, Shield, IAM, Cognito) * AWS API Gateway
AWS DevOps specialism (Lambda, API Gateway, Route 53, WAF, Shield, IAM, Cognito) * AWS API Gateway
)
Experience in developing and deploying Cloud Native Applications using Azure PaaS Capabilities (App Services Plans, Key Vault, SQL Azure DB, AzureFunctions, Containers, AKS, Logic Apps, Service Bus, Event Grid, API Management) * Enterprise Integration Technologies such as Azure API Management, Logic Apps, Service Bus.
Experience in developing and deploying Cloud Native Applications using Azure PaaS Capabilities (App Services Plans, Key Vault, SQL Azure DB, AzureFunctions, Containers, AKS, Logic Apps, Service Bus, Event Grid, API Management) * Enterprise Integration Technologies such as Azure API Management, Logic Apps, Service Bus.
NEW
)
Technical Architect, Azure
Technical Architect, Azure
ARC IT Recruitment Ltd
The City, EC3
Up to £95,000 per annum bonus + benefits
Azure, API, PaaS * In-depth knowledge of Azure cloud services (PaaS, Containers, AKS, Logic Apps, API Management, Service Bus, Event Grid).
Azure, API, PaaS * In-depth knowledge of Azure cloud services (PaaS, Containers, AKS, Logic Apps, API Management, Service Bus, Event Grid).
)
Experience with Power Automate and API development is a plus.
Experience with Power Automate and API development is a plus.
FEATURED
Applied AI Software Engineer - Python, Fast API, AWS, LLMs - Strong skills with Python & Fast API
Applied AI Software Engineer - Python, Fast API, AWS, LLMs - Strong skills with Python & Fast API
)
Title: Senior Software Engineer (Driver/API)
Title: Senior Software Engineer (Driver/API)
Senior Security Engineer Defender PurView Sentinel
Senior Security Engineer Defender PurView Sentinel
Invitise Ltd
EC1A, City of London
Up to £500 per day Outside IR35
PowerShell scripting and use of Microsoft Graph API
PowerShell scripting and use of Microsoft Graph API
NEW
High proficiency in SSRS, REST API, KPIs, development, integration, and customisation
High proficiency in SSRS, REST API, KPIs, development, integration, and customisation
)
Strong knowledge of Django (or similar) and API design
Strong knowledge of Django (or similar) and API design
NEW
Related Jobs
Locations
- The City, City (EC3)
- Southwark
- The City, City (EC2)
- The City, City (EC4)
- Duxford
- Felbridge
- Lambeth
- Moorgate
- Shoreditch
- Canary Wharf
- City of London
- Cambridge
- Reading
- Central London
- South East London
- West End
- Northampton
- East London
- North West London
- South West London
- London
- Berkshire
- Cambridgeshire
- Surrey
- Northamptonshire
- Oxfordshire
- Hampshire
- Bedfordshire
- Buckinghamshire
- Hertfordshire
- South East
- East Anglia
- East Midlands
- Midlands