1 to 25 of 85 API Development Jobs in England

Senior Developer, Back End, API, .Net SQL, NW London to £80K (office based role) A Senior Back End Developer is required to join this established financial software house based in North London. They work with some of the leading brands in retail and media, offering financial management systems developed … required with expertise in .NET, C#/VB, SQL Server, and SAP Business One integration. The ideal candidate should have strong skills in RESTful API development, database optimization, and Azure DevOps pipeline management. Knowledge of API security, CI/CD automation, and Swagger documentation is recommended. Responsibilities ...

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 ...

SoftwareDeveloper(API Development/Backend Node.js, C#, Fullstack) Birmingham, West Midlands (Hybrid 1 day onsite a week) 55k + Benefits Were partnering with a leading enterprise software house in Birmingham that is expanding its engineering team. Theyre looking for a Software Engineer with strong API and backend … development experience to work on complex, high-performing systems used by global clients. This Developer role offers the opportunity to build and enhance large-scale, data-driven applications with a focus on reliability, scalability, and performance. As a Software Engineer, youll take ownership of backend services and integrations, designing ...

Software Developer (API Development/Backend – Node.js, C#, Fullstack) Birmingham, West Midlands (Hybrid – 1 day onsite a week)55k + BenefitsWe’re partnering with a leading enterprise software house in Birmingham that is expanding its engineering team. They’re looking for a Software Engineer with strong API … backend development experience to work on complex, high-performing systems used by global clients.This Developer role offers the opportunity to build and enhance large-scale, data-driven applications with a focus on reliability, scalability, and performance.As a Software Engineer, you’ll take ownership of backend services and integrations, designing ...

Artificial Intelligence, Consulting, Digital, Cloud & DevOps, Data, and Software Engineering, servicing an array of noteworthy financial services and technology firms. Through research and development initiatives in our FinLabs we develop solutions for modernization, from Artificial Intelligence and Blockchain to Data Science models, Digital Underwriting, mobile-first applications and more. … workforce of 16,500+, and has 60 offices in 20 countries within key global markets. About the Role We are looking for an experienced API Standards Lead to drive the definition, enhancement, and adoption of enterprise‐wide API standards. You will work closely with engineering, product, and platform ...

This is an exciting opportunity to join a growing, well-established technology company working on modern web applications in a collaborative and forward-thinking development environment. The office is located next to Milton Keynes train station, making commuting simple and convenient. About the Role As a PHP Developer … team responsible for building, maintaining and improving high-quality web applications used by clients across the UK. You will be involved in the full development lifecycle, contributing to architecture, development, and continuous improvement of the platform. Responsibilities Building, maintaining and improving high-quality web applications Involvement ...

Position: Kong API Integration Architect Location: London or Norwich (Hybrid-2/3 days a week) 12 months FTC or permanent Job Description: Key Responsibilities Design and Implementation: Design, develop, and deploy scalable API integration solutions that connect diverse systems and applications, both internal and external. Kong Gateway … Administration: Configure, maintain, and manage the Kong API Gateway (Enterprise and OSS versions), implementing security measures such as OAuth2, JWT, and rate limiting. Collaboration: Work closely with cross-functional teams, including developers, business analysts, and vendors, to gather requirements and define API specifications. Troubleshooting & Support: Monitor API ...

keeping SQL Server and Azure SQL performing well. Clean architecture, SOLID principles and writing testable, maintainable code matter here. As well as your own development work, you'll contribute to code reviews, help shape technical standards, provide some light-touch mentoring to less experienced developers and engage directly with … stakeholders. Not a management role - but you'll have influence. Key Experience: 5+ years commercial .NET development Strong ASP.NET Core including MVC and API development Experience building Android apps with .NET MAUI or Xamarin.Forms Good OOP and software design skills, comfortable thinking about architecture Solid Entity Framework ...

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. ...

lead projects, mentor junior developers, and work on high-impact, secure banking solutions. You will be a key contributor to web portal and API development, ensuring performance, security, and reliability in a dynamic environment. This role is ideal for developers with strong technical expertise who are looking … portals using ASP.NET MVC/.NET Core Design and integrate REST APIs with internal and third-party services Implement secure authentication mechanisms (JWT, OAuth2, API Keys) Connect applications to relational databases using Entity Framework Core (DbContext, LINQ, Migrations) Debug and trace request flows from UI Controller API Database ...

week from office) £57,000 – £64,000 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 ...

/Day InsideIR35 5 years’ experience in Software Engineering, specialising in Java and Angular, with strong banking industry expertise. Responsibilities End-to-end Development: Design, develop, test, deploy, and maintain web applications across the full stack, from the user interface to the database. Front-End Development: Build intuitive … user interfaces and layouts using HTML, CSS, JavaScript, and modern frameworks such as React and Angular. Back-End Development: Develop server-side logic, RESTful APIs, and microservices using Java, Spring Boot, and related technologies. Database Management: Design, implement, and manage SQL and NoSQL databases, including working with ORMs. Testing ...

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 ...

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 ...

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 ...

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 ...

chance to work with a leading global IT and Digital transformation business specialising in Government projects: Key experience, responsibilities + tasks: Strong Python development expertise , develop and maintain Python code for data processing, API development and integration with the Azure Databricks environment. Senior experience in software development, with a focus on both front-end and back-end development. Front-end development using React, Angular, Vue.js, Front-end and back-end development of applications and APIs interacting with the Azure Databricks platform. Experience with Azure cloud platform and services. Azure Databricks. containerisation (Docker) and orchestration ...

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 ...

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 ...

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 ...

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 ...

water-quality monitoring equipment used by water utilities and industrial customers to prevent flooding, reduce pollution, and improve environmental compliance Job Description Software Development Lead Hybrid with Travel to Nelson Permanent, full-time Competitive salary, Bonus plus benefits We are seeking an experiencedSoftware Development Lead with deep expertise … systems, cloud-native development on AWS, data ingestion pipelines, and API development. You will design and build the backend services that support our connected IoT devices-managing secure device communication, high-volume data ingress, and the APIs that power our applications and customer experiences. This role is ideal ...

IR35 - Umbrella only About the Role: We are seeking a highly skilled and versatile Senior Developer to join our team and contribute to the development and maintenance of our cutting-edge Azure Databricks platform for economic data. This platform is critical for our Monetary Analysis, Forecasting, and Modelling activities. … Senior Developer will be responsible for both front-end and back-end development, with a focus on Python, including the challenging but rewarding task of reverse engineering an existing codebase to integrate new features and improvements. This role requires a strong understanding of software development principles, experience with ...

Centre Salary - £50-60k + Excellent Benefits A leading enterprise software house is seeking an experienced Full Stack Developer to join its Birmingham development team. This hybrid role offers a great balance of flexibility and collaboration. The Software Developer will design, develop, and deliver scalable, high-performance applications … used by engineers and transport organisations across the globe. Key Requirements for this Full stack Developer: 5+ years experience with Node.js, & React Strong REST API development skills Solid current experience with C# in enterprise environments Knowledge of CI/CD, cloud infrastructure, and Azure DevOps Experience withCypress Testing ...

between flexibility and collaboration, with 1-2 days a week spent onsite. As a Senior Developer, youll play a key role in the design, development, and delivery of scalable, high-performance software solutions. Youll work across the full stack, focusing on Node.js and React, while collaborating closely with other … Experience 5+ years commercial experience with TypeScript/React and Node.js. Proficiency in JavaScript libraries such as React or Next.js. Expert knowledge of REST API development using Node.js. Experience working with C# in enterprise environments. Familiarity with cloud computing, infrastructure as code, and CI/CD pipelines. Experience ...