1 to 25 of 95 API Development Jobs in the UK

Integration Architect

Hiring Organisation
Impellam Group
Location
England, United Kingdom
connect architecture tooling platforms (including BiZZdesign Enterprise Studio etc.) with portfolio management tools, databases, and business intelligence systems. This technical role requires strong integration development skills combined with understanding of enterprise architecture data models and business context. This role is based in London. This role will be Via Umbrella. … Working in a Hybrid Model of 1-2 days a month on site. Key Skills and Experience Strong experience with RESTful API development, consumption, and integration patterns Proficiency in scripting and programming languages (Python, JavaScript, PowerShell, or similar) Understanding of data formats and transformation (JSON ...

Senior GCP APIGEE Engineer - up to £90,000 Bonus

Hiring Organisation
Involved Solutions
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £90,000 per annum
week A globally established organisation is seeking a Senior GCP Apigee Engineer to join a Public Cloud Platform function, delivering secure, scalable and compliant API solutions across enterprise environments. This is a senior, hands-on engineering role focused on modernising API gateways, automating deployments and enabling cloud-native … integration across Google Cloud. The Senior GCP Apigee Engineer role is suited to an experienced Apigee specialist who combines deep API management expertise with strong DevOps capability, enjoys working within cross-disciplinary feature teams and can contribute to scalable cloud product delivery. Responsibilities for the Senior GCP Apigee Engineer ...

Python Developer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £700/day
application-focused role - DevOps/operations-heavy profiles are not suitable for this engagement. Most Important Strong Python Developer (5+ years hands-on development experience) Strong AWS experience (hands-on, application-focused) Essential Technical Requirements Python Development 5+ years of hands-on development experience (not scripting/… automation roles) Strong knowledge of boto3 API Experience building RESTful applications Strong understanding of testing frameworks, unit testing, and regression testing methodologies AWS Expertise Deep understanding of AWS networking and IAM Strong knowledge of IAM concepts (roles, users, resource policies, SCPs) Experience hosting applications within AWS Recent hands ...

API Security Architect

Hiring Organisation
Eteam Workforce Limited
Location
Knutsford, Cheshire, North West, United Kingdom
Employment Type
Contract
Contract Rate
£740 per day
Role Title: API Security Architect Location: Knutsford/Hybrid Duration: 30/11/202 Role Description: "We are looking for an API Security Architect to define, design, and oversee the implementation of enterprise-grade API security architecture. The role ensures APIs are built securely, follow best … practice standards, and align with organisational security and compliance requirements. Key Responsibilities Design end-to-end API security architecture across cloud and on-premise environments. Define API security standards covering authentication, authorization, encryption, and threat protection. Lead architectural reviews, threat modelling, and risk assessments for API integrations. ...

Senior Software Developer

Hiring Organisation
Partnerscale
Location
Bicester, Oxfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £65,000 per annum
contribute to code reviews, mentor other engineers and work closely with stakeholders to deliver scalable, production ready solutions. Experience required: – 5+ years commercial .NET development experience – Strong ASP.NET Core experience including API development – Experience building Android focused apps using .NET MAUI or Xamarin – Solid knowledge of Entity … based collaborative environments – Exposure to automated testing practices Keywords C# .NET ASP.NET Core MAUI Xamarin Entity Framework SQL Server Azure SQL Android API Development ...

Solutions Architect

Hiring Organisation
Euro Car Parks
Location
Central London, London, United Kingdom
Employment Type
Permanent
though also like the idea of the equally important social/client-facing aspect of the role. The role is responsible for defining the development architecture across a blend of in-house bespoke solutions and 3rdparty products and helping to shape the longer-term strategic development architecture … developing architecture strategy and target architecture model. You will be working closely with delivery team members to coach and promote best-practice solution development architecture as well as supporting business analysts and product owners in planning and story-mapping for new development. You will act as technical design authority ...

Senior Software Engineer

Hiring Organisation
WOODFORD GRAY GROUP LTD
Location
Stoke-On-Trent, Staffordshire, West Midlands, United Kingdom
Employment Type
Permanent
Salary
£55,000
Senior Software Engineer (C#, SQL, API Development | Training Provided in X++ & Dynamics 365) Hybrid 4 Days Onsite Initially, Then 3 Days Onsite/2 Remote After Probation Were supporting a major digital transformation programme for a leading UK retailer, and were looking for a Senior Software Engineer … engineers , encouraging creativity, and fostering proper engineering culture. Core Skills Required (Must-Have) To be considered, you need a proven track record in: C# development in modern engineering environments SQL (T-SQL, Stored Procedures, relational database experience) API development & integration Agile delivery (Scrum/Kanban) Strong problem ...

Full Stack Developer (Multi Client Platform, Vue, .NET, Node.js,Cloud)

Hiring Organisation
Additional Resources
Location
Nationwide, United Kingdom
Employment Type
Permanent
Salary
£45000 - £55000/annum
years’ experience in Node.js, C#/.NET Core, and Vue 3. You’re well-versed in cloud platforms (Google Cloud is essential), have strong API development skills, and are experienced with payment platform integrations (e.g., Stripe, PayPal). Experience with multi-tenant platforms is a must Your Role … C#/.NET Core, and Vue 3. Strong experience in cloud platforms, preferably Google Cloud (AWS/Azure experience is welcomed). Expertise in API development and experience with payment platform integrations (e.g., Stripe, PayPal). Solid understanding of cloud-native architecture and scalability. Experience with building ...

Full Stack Developer (Multi-Tenant Platform, Vue 3, .NET, Node.js, Google Cloud)

Hiring Organisation
Additional Resources Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £55,000 per annum
experience in Node.js , C#/.NET Core , and Vue 3 . You’re well-versed in cloud platforms ( Google Cloud is essential ), have strong API development skills, and are experienced with payment platform integrations (e.g., Stripe , PayPal ). Experience with multi-tenant platforms is a must Your Role …/.NET Core , and Vue 3 . Strong experience in cloud platforms , preferably Google Cloud (AWS/Azure experience is welcomed). Expertise in API development and experience with payment platform integrations (e.g., Stripe , PayPal ). Solid understanding of cloud-native architecture and scalability . Experience with building ...

AI Chatbot Technical Lead

Hiring Organisation
FDM Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£60,000 - £95,000 per annum
hybrid role that will be based in London. Our client is seeking a hands-on AI Chatbot Technical Lead to drive the development and enhancement of their Service Management Chatbot. This is a key role for someone with deep technical expertise in Python, LangChain, and OpenAI services, particularly within … Azure environments. You will lead the technical delivery of the client’s Chat API, ensuring it is robust, scalable, and continuously improving. Responsibilities Lead the development and enhancement of the Chat API using Python, LangChain, and OpenAI services on Azure Function Apps Monitor and resolve API ...

Full Stack ASP.Net / API / SQLServer Developer

Hiring Organisation
IT Talent Solutions Ltd
Location
Surrey, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
ASP.NET/SQL Server Developer — Cloud Migration & API Platform Build - DBS Clearance will need to be obtained. 1-2 days a week on site. Our Surrey based client is seeking an ASP.NET/SQL Server Developer for a 5-6 month Contract to LEAD a legacy system modernisation project. … role involves designing and building a secure API layer to extract and transform data from an existing database, migrating and storing that data within a cloud platform, and developing a modern, user-friendly application interface for users/stakeholders. You will be responsible for end-to-end solution delivery ...

Software Developer

Hiring Organisation
Adecco
Location
Leyland, Lancashire, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £60,000 per annum
Portal & API Developer/Software Developer This opportunity is brand new, due to business growth and with a globally recognised leader in their sector. Based in Leyland this role will see you develop your career within quite a unique sector. Role Competencies Excellent debugging and analytical problem-solving skills … Ability to understand complex, multi-service interaction flows Secure coding mindset and API-first approach Strong team collaboration and clear technical communication Ability to write professional, structured technical documentation Required Technical Skills: C# (Strong proficiency) ASP.NET MVC or .NET Core Web API MVC concepts: Routing, Controllers, Filters, Middleware ...

Technical Team Lead - eDV Cleared

Hiring Organisation
Forward Role
Location
Cheltenham, Gloucestershire, South West, United Kingdom
Employment Type
Permanent
customers Building strong customer relationships through direct engagement Contributing to and helping prepare technical proposals and bids Assisting the customer account team in business development efforts Collaborating with delivery management to identify risks, plan deliveries, and support resource allocation Core Focus: Architecture & Integration Cross-domain strategy and secure system … What You Bring: Proven experience leading teams in Agile, customer-facing software projects Experience with one or more of the following: Full-stack web development Software as a Service (SaaS) Mobile application development API design and development Cloud platforms (AWS, Azure, GCP) Front-end development ...

Full Stack Web Developer

Hiring Organisation
LM RECRUITMENT SOLUTIONS LTD
Location
Stroud, Gloucestershire, South West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
role in developing a scalable, secure, and maintainable platform that integrates ecommerce, CRM, licensing, and other business-critical systems. This is a hands-on development role for a developer who thrives on complex, integrated systems, enjoys problem solving across the full stack, and wants to contribute to a mission … full-stack technologies. Develop new features and functionality for both front-end and back-end components in following best practices. Implement and maintain robust API integrations with internal and third-party systems. Assist in monitoring, troubleshooting, and resolving production issues to maintain system reliability and data integrity. Participate ...

Senior Front-End Developer React - Remote

Hiring Organisation
Reed
Location
Newcastle Upon Tyne, Tyne and Wear, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £62,000 per annum, Inc benefits
month from office) £55,000 – £62,000 DOE Join a team at the centre of a major digital transformation, where modern engineering, secure software development, and large-scale technical innovation drive everything forward. This role places you at the forefront of designing and delivering complex, high-impact digital solutions … with wider digital ambitions. Skills Strong expertise in HTML, CSS, JavaScript Advanced commercial experience with React Confidence designing scalable front-end architecture Experience with API integration, cloud platforms, and CI/CD workflows Writing unit tests Modern front end testing frameworks like Jest Ability to mentor colleagues and collaborate ...

AI Security Engineer

Hiring Organisation
Anson Mccade
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
tools, scripts, and benchmarks to automate AI/ML security testing Perform secure code reviews and penetration testing of AI-related software Research and Development Research emerging threats, trends, and best practices in AI/ML security Deliver proof-of-concepts and proof-of-value initiatives to assess … technologies and controls Contribute to the development of advanced AI/ML security tools and techniques Produce high-quality technical documentation and user guidance Security Engineering and Collaboration Provide subject matter expertise on security engineering patterns and controls Support secure software development practices aligned to OWASP and DevSecOps ...

Mid-Level Developer – £45,000-£55,000 – Leeds City Centre (Hybrid)

Hiring Organisation
Reed
Location
Leeds, West Yorkshire, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £55,000 per annum, Inc benefits
City Centre Location: Leeds City Centre (Hybrid: 3+ days onsite) Salary: £45,000–£55,000 Job Type: Permanent | Full-Time Tech Stack: Symfony, PHP, API Platform, React, Next.js, MySQL, Docker Are you a Symfony Developer or PHP Backend Developer looking for your next career move? Do you want … skilled engineering team building scalable digital solutions? This growing tech-driven organisation is looking for a Mid-Level Symfony Developer to join their expanding development team. You’ll be working on high-performing, API-led applications and modern frontend features within a collaborative, supportive environment. About the Role ...

Software Developer - Node/JavaScript/SQL - Hertfordshire or West Sussex - £45K + Benefits

Hiring Organisation
Ben Turner
Location
Hatfield, Hertfordshire, United Kingdom
Employment Type
Permanent
Salary
GBP 45,000 Annual
performance to ensure robust, scalable, and efficient software solutions. Key Skills/Qualification/Experience: Extensive experience in Backend technologies, including SQL Server, MySQL & API Development Experience with 3rd Party API Integrations & complex Server Side logic Experience in NodeJS frameworks including ReactJS, NextJS, NestJS & other web technologies … Experience in Frontend Web development technologies, including HTML, CSS & JavaScript/Typescript Extensive experience in version/source control using Git or related technologies Strong understanding of modern code development practices and the SDLC Strong understanding of performance optimization Understanding of Test-Driven Development and automated testing ...

Development Engineer

Hiring Organisation
Metaskil Limited
Location
Hatfield, Hertfordshire, United Kingdom
Employment Type
Permanent
Salary
£42000 - £47000/annum plus benefits
strong Database knowledge, preferably SQL Server and/or MySQL, with proven skills in Node.js frameworks such as React, Next.js & Nest.js and 3rd Party API Integrations & API Development experience with the latest technologies? Then we have an exciting opportunity with a blue chip client in Hatfield, Herts … They are looking for a Development Engineer to join their DevOps team, you will play a pivotal role and in their development team. The role will initially be 5 days per week in their Hatfield office but then moving to 3 days office based and 2 days remote ...

Java Fullstack Developer (front end)

Hiring Organisation
Randstad Digital
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
Salary
£70,000
high-profile banking client. While this role covers the full stack, we are looking for a candidate with a strong emphasis on Front End development to contribute to a large-scale development project. Key Responsibilities End-to-End Development: Design, develop, test, deploy, and maintain web applications … database. Front End Focus: Create sophisticated user interfaces and layouts using HTML, CSS, JavaScript, and modern frameworks (React or Angular). Back End Development: Develop server-side logic, RESTful APIs, and microservices using Java, Spring Boot, and related technologies. Database Management: Design and work with SQL (MySQL, PostgreSQL ...

Back End Developer

Hiring Organisation
Omnis Partners
Location
City of London, London, United Kingdom
Implementing CI/CD pipelines (GitHub Actions, GitLab, Jenkins, ArgoCD) • Shipping production-grade cloud-native applications 🎯 What We’re Looking For 👉 Strong Python backend development experience 👉 API development (FastAPI highly desirable) 👉 Solid SQL/PostgreSQL knowledge 👉 AWS experience (EKS ideal) 👉 Kubernetes deployment experience 👉 Terraform (Infrastructure as Code ...

Back End Developer

Hiring Organisation
Omnis Partners
Location
London, UK
Implementing CI/CD pipelines (GitHub Actions, GitLab, Jenkins, ArgoCD) • Shipping production-grade cloud-native applications 🎯 𝗪𝗵𝗮𝘁 𝗪𝗲’𝗿𝗲 𝗟𝗼𝗼𝗸𝗶𝗻𝗴 𝗙𝗼𝗿 👉 Strong Python backend development experience 👉 API development (FastAPI highly desirable) 👉 Solid SQL/PostgreSQL knowledge 👉 AWS experience (EKS ideal) 👉 Kubernetes deployment experience 👉 Terraform (Infrastructure as Code ...

Principal Software Engineer (.net/Azure DevOps)

Hiring Organisation
ZENZO DIGITAL LTD
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
procedures and to modernise systems and practices so that they can deliver quality at pace. Currently the team are transitioning from traditional software application development using C#, Blazer and SQL Server integrating with Dynamics Business Central, and the Data team provide analytics and insights using SAS, MicroStrategy and Power … Engineers, an Automation Tester, Scrum Master, DevOps, Infra Engineers and Service Desk Team. You need to have experience of leading end to end software development including design, build, testing, deployment and support. The Service Desk team need to work closely with the build and deployment resources so that they ...

Lead Developer

Hiring Organisation
Pure Resourcing Solutions
Location
Snailwell, Newmarket, Suffolk, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £70,000 per annum
must be within a commutable distance to achieve this. Are you a seasoned Lead Developer ready to step up and take real ownership of API strategy, architecture, and delivery Do you thrive in environments where your voice matters, your decisions have impact, and your ability to drive efficiency … space that is scaling its digital product ecosystem. They are investing heavily in modernising and expanding their digital platforms, and they need a Lead API Developer who can steer backend/API development with both technical authority and clear communication.This isn’t just another coding role. This ...

Scientific Team Lead

Hiring Organisation
EMBL-EBI
Location
Saffron Walden, Essex, South East, United Kingdom
Employment Type
Permanent, Work From Home
will use your knowledge of systems architecture and design to guide your team to develop sustainable, scalable solutions. You will also coordinate the development of new interfaces and tools alongside the maintenance of existing tools and codebases including migration of these to new technologies and infrastructure. Your knowledge … databases, developing websites and working with big data (gigabyte to terabyte scale) In-depth knowledge of the following: software engineering, relational databases, service provision, API development, standards, software development best practices Project management and staff management experience Experience contributing to budget management and managing grants, including grant ...