226 to 250 of 259 API Development Jobs in England

Backend Software Engineer – Healthcare Cloud & APIs

Location
Cambridge, England, United Kingdom
Sanderson is seeking a Software Developer to join a healthcare technology team in Cambridge. The role focuses on backend services, API development and data access layers, with opportunities to contribute to frontend work where needed. You will design, build and test software for laboratory operations, cloud platforms ...

Hybrid Data Engineer for FinTech Lending

Location
City Of London, England, United Kingdom
production data pipelines across the lending lifecycle, including AWS Lambda-based decisioning processes and end-to-end ETL/ELT workflows. The role emphasizes API development, data integration across sources, and strong focus on monitoring, reliability and production controls within a #J-18808-Ljbffr ...

Python Engineer — Sports Data Backend & Pipelines

Location
Greater London, England, United Kingdom
data analysis. You'll collaborate closely with a supportive team to optimize processes and deliver production-grade software. Essential skills include advanced Python knowledge, API development, and a relevant degree in computer science. The position offers a dynamic work environment with extensive growth opportunities and excellent employee benefits. ...

Senior Software Engineer

Location
Cambridge, England, United Kingdom
joining a high profile and linchpin team whose work is at the heart of many modern engineering tools. Along with career development and the chance to grow your cloud software skills, the company offers highly competitive remuneration, an excellent benefits package and work-life balance including hybrid work. … core requirements: A senior software engineer’s design and coding ability and track record, judgement, mentoring and review skills. Strong commercial-grade C# software development with awareness of modern .NET, how to get the most from the language, and establish good patterns and factoring. Microservice development experience – with ...

Senior Software Engineer

Hiring Organisation
ECM Selection (Holdings) Limited
Location
Cambridge, Cambridgeshire, United Kingdom
Employment Type
Permanent
joining a high profile and linchpin team whose work is at the heart of many modern engineering tools. Along with career development and the chance to grow your cloud software skills, the company offers highly competitive remuneration, an excellent benefits package and work-life balance including hybrid work. … core requirements: • A senior software engineer’s design and coding ability and track record, judgement, mentoring and review skills. • Strong commercial-grade C# software development with awareness of modern .NET, how to get the most from the language, and establish good patterns and factoring. • Microservice development experience – with ...

Salesforce Technical Architect - 6-Month Contract (Initial)

Location
Greater London, England, United Kingdom
designing solutions that meet business needs. Apply integration patterns and best practice within Salesforce Understand Salesforce's native capability for integrations. Custom API development. Validate integrations. Support, oversee, and validate the work of third-party vendors. Third-Party Vendor Management Manage third-party vendors to ensure integrations are designed ...

Senior Software Engineer

Location
West of England, England, United Kingdom
systems. As part of a collaborative engineering team, you'll contribute to the adoption of modern cloud-native technologies, GraphQL architectures and AI-enabled development practices. What you'll be doing Design, develop and support scalable backend services and APIs. Build AWS serverless applications using modern engineering practices. Develop … platform resilience, observability, performance and scalability. Contribute across the full stack, including React-based applications where required. Take ownership of features throughout the software development lifecycle, from design to production support. Participate in architecture discussions, code reviews and technical design sessions. Collaborate with Product, Platform and Engineering teams ...

Symfony Developer

Location
Greater London, England, United Kingdom
what a typical day might look like: Develop and maintain Symfony-based applications with clean, efficient code Design and implement RESTful APIs using API Platform or FOSRestBundle Build reusable bundles and Symfony components Integrate third-party services and APIs into applications Optimize application performance and database queries Responsibilities Develop … maintain Symfony-based applications with clean, efficient code Design and implement RESTful APIs using API Platform or FOSRestBundle Build reusable bundles and Symfony components Integrate third-party services and APIs into applications Optimize application performance and database queries Write comprehensive tests using PHPUnit and Symfony testing tools Collaborate with ...

Software Engineer

Hiring Organisation
RedCat Digital
Location
Manchester, UK
Employment Type
Full-time
latest technologies. As a Software Engineer, you'll be a key player in shaping the future of banking. You'll lead the design, development, and maintenance of quality practices while collaborating with other engineers, architects, and stakeholders to understand the objectives, goals, and requirements of the projects … working on. Key Responsibilities: Design and development of software that delivers a positive customer experienceCreate and maintain high-quality software using Python as your primary languageOptimize our software engineering capability and new technologiesFollow best engineering practices such as TDD, BDD, Pair-programmingMentor and collaborate with other engineers to deliver ...

Full Stack Developer

Location
Manchester, England, United Kingdom
Collaborate with stakeholders and product owners to understand requirements and deliver solutions. Participate in code reviews, testing, and continuous improvement initiatives. Contribute to the development of our AI-driven product suite, including ELI. Occasionally engage with clients or internal teams to understand needs and provide technical guidance. What … looking for: Strong experience in C# for backend/API development. Ability to adapt quickly and learn new technologies as needed. Solid understanding of software development principles and best practices. Awareness of Azure services , particularly Azure AI and how OpenAI integrates within Azure. Familiarity with cloud-based architectures ...

Software Engineer

Hiring Organisation
Raytheon
Location
Gloucester, Gloucestershire, UK
Employment Type
Full-time
make a difference solving the world's most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect … continuous improvement within your teamCollaborate with your peers on technical direction within your teamDesired Skills and ExperienceCore Software EngineeringJavaScript frameworks (React, NextJS)TypeScriptPythonJavaREST API developmentOpenAPI/SwaggerCloud & InfrastructureCloud services (AWS or Azure)Containerisation & Orchestration (Docker, Kubernetes, OpenShift)Infrastructure as Code (Terraform, Ansible)Data & Search TechnologiesRelational Databases (e.g. PostgreSQL)Elasticsearch ...

Scala Engineer

Location
City Of London, England, United Kingdom
improvement across people, processes and technology. Work effectively within cross-functional teams. Required Knowledge & Experience Active SC Clearance or eligibility to obtain clearance. Strong API design and development experience. Experience working with databases and SQL. Hands-on AWS cloud experience. Understanding of Site Reliability Engineering (SRE) principles. Experience … practices. Experience working within teams that own and support their services in production. Essential Skills Scala Play Framework or similar MVC/REST API frameworks SQL AWS Continuous Integration/CI/CD Agile methodologies Due to the nature and urgency of this post, candidates holding or who have ...

Senior Software Engineer, Real-Time

Location
Greater London, England, United Kingdom
code practices to deploy and maintain software and observability assets consistently across environments Work with engineering squads to add and improve instrumentation across Development, Test, PPE and Production environments Collaborate with expert engineers on observability, distributed systems, cloud-native software and real-time data platforms Contribute ideas and improvements … performance-oriented languages such as Go, modern C++ or Rust Good understanding of core software engineering concepts Familiarity with APIs, Git and modern software development practices Interest in market data, observability, distributed systems, telemetry, data pipelines, real-time systems, performance engineering or cloud-native technology Demonstrated analytical and problem ...

Full Stack Developer (Golang, AWS)

Hiring Organisation
Partnerscale
Location
Daventry, Northamptonshire, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
grow their Engineering function. Working alongside a small, cross-functional team of Golang Software Developers, you will play a key role in the continued development of one of their key, customer-facing platforms used by enterprise, house-hold name brands. You will get the opportunity to take full ownership … strong computer science fundamentals, most of it on distributed systems. REST APIs built to carry real load, work in AWS, Agile delivery, and API security. Whilst this role leans towards the backend, some frontend experience in modern Javascript frameworks such as React, Vue or Svelte, is highly advantageous. Keywords ...

.NET API Developer

Hiring Organisation
Damia Group Ltd
Location
Skipton, North Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
.Net API Developer - 3 days per week in Skipton - Circa £450 per day Inside ir35 - 3 months My client is a global leading consultancy. They are on the hunt for a .NET Developer to join a financial client of theirs. Responsibilities: Maintained and enhanced legacy .NET applications (ASP.NET, .NET … application modernisation initiatives by refactoring legacy components, improving code quality, and contributing to migration planning for newer .NET technologies and architectures. Skills: .NET Integration Development Test automation .Net API Developer - 3 days per week in Skipton - Circa £450 per day Inside ir35 - 3 months Damia Group Limited acts ...

Staff Software Engineer, Labs Science

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
support Googles core mission. The Language Applications team manages a portfolio, including high-profile launches such as AI Studio, NotebookLM and the Gemini API for developers. Labs Science is a new initiative within Language Applications. In partnership with Google DeepMind (GDM), we transform breakthrough researchsuch as Co-Scientist … designed to accelerate the pace of scientific discovery. Minimum qualifications: Bachelors degree or equivalent practical experience. 8 years of experience in full-stack software development using languages such as C++, Java, Kotlin, and Typescript. 3 years of experience with front-end frameworks, full-stack development, or API ...

Staff Software Engineer, Labs Science

Location
Greater London, England, United Kingdom
support Googles core mission. The Language Applications team manages a portfolio, including high-profile launches such as AI Studio, NotebookLM and the Gemini API for developers. Labs Science is a new initiative within Language Applications. In partnership with Google DeepMind (GDM), we transform breakthrough research s such … designed to accelerate the pace of scientific discovery. Minimum qualifications: Bachelors degree or equivalent practical experience. 8 years of experience in full-stack software development using languages such as C++, Java, Kotlin, and Typescript. 3 years of experience with front-end frameworks, full-stack development, or API ...

Lead Architect - Information Architect - Vice President

Location
Bournemouth, England, United Kingdom
with Corporate Investment Bank Technology, Global Technology, and other Lines of Business to develop contemporary and innovative engineering methods. Job Responsibilities Actively engage with development teams to use, develop, and improve Information Architecture standards, tools, and processes as part of the development process. Provides feedback and proposes improvements … Models. Adds to team culture of diversity, opportunity, inclusion, and respect. Required Qualifications, Capabilities, and Skills Hands‐on practical experience delivering system design, application development, testing, and operational stability. Software Engineering experience in a data‐centric role with exposure to how data is stored, moved, governed, and/ ...

Lead Architect - Information Architect - Vice President

Hiring Organisation
JP Morgan Chase
Location
London, UK
Employment Type
Full-time
collaborate with Corporate Investment Bank Technology, Global Technology, and other Lines of Business to develop contemporary and innovative engineering methods. Job responsibilitiesActively engage with development teams to use, develop, and improve Information Architecture standards, tools, and processes as part of the development process. Provides feedback and proposes improvements … Operating Models. Adds to team culture of diversity, opportunity, inclusion, and respect. Required qualifications, capabilities, and skillsHands-on practical experience delivering system design, application development, testing, and operational stabilitySoftware Engineering experience in a data-centric role with exposure to how data is stored, moved, governed, and/or validated ...

Mobile Engineer

Hiring Organisation
Teya Solutions
Location
London, UK
Employment Type
Full-time
cross-platform mobile applications using Kotlin. Write clean, maintainable, and secure code to address complex business problems. Prioritize performance, scalability, and maintainability in all development tasks. Seamlessly integrate various APIs and SDKs, ensuring reliability and efficiency. Focus on delivering a modern, intuitive, and user-friendly experience for merchants across … meet industry standardsYour Story: Essential RequirementsKotlin Multiplatform Experience: Hands-on experience developing and shipping KMP projects, including shared business logic and platform-specific implementationsMobile Development: Strong background in either Android (Kotlin) or iOS development with understanding of mobile app architecture patternsSDK Development: Experience building SDKs, libraries ...

Staff Software Engineer, Labs Science

Location
City of Westminster, England, United Kingdom
ambiguous problems and influencing stakeholders;deep expertise in domain. Bachelor’s degree or equivalent practical experience. 8 years of experience in full-stack software development using languages such as C++, Java, Kotlin, and Typescript. 3 years of experience with front-end frameworks, full-stack development, or API … support Google’s core mission. The Language Applications team manages a portfolio, including high-profile launches such as AI Studio, NotebookLM and the Gemini API for developers. Labs Science is a new initiative within Language Applications. In partnership with Google DeepMind (GDM), we transform breakthrough research—such ...

Software Developer- C# API- Tonbridge

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
C# API Developer65,000 Plus BonusHome work and flex work encouragedQuant Capital is urgently looking for a C# .NET Developer to join our high profile client. Our client is the world leader in Market data management systems, with clients globally such as most of the major investment banks. Their … skills as well as excellent communications skills and offer the latest technology in a cutting edge market. My client is based in Tonbridge WellsC# API, ES6, React, Redux, ASP.NET, WebAPI, C# Developer ...

Full Stack Developer (React / C# .NET)

Hiring Organisation
TXP
Location
Birmingham, West Midlands, West Midlands (County), United Kingdom
Employment Type
Contract
Contract Rate
£0.00 - £500/day
transformation programme focused on modernising platforms, data capabilities, and core business processes. This is an opportunity to play a key role in the design, development, and delivery of enterprise-scale solutions, working across both front-end and back-end technologies while contributing to data migration, integration, and technical design … full technology stack and collaborating closely with Product Owners, Business Analysts, Architects, and Testing teams within an Agile delivery environment. Key Responsibilities Full Stack Development Design, develop and maintain modern web applications using React and C#/.NET. Deliver robust front-end experiences with a strong focus on usability ...

Php, Laravel Developer

Location
Greater London, England, United Kingdom
8.2 . Design, build, and optimise RESTful APIs for stateless applications. Implement and manage Backpack Admin to streamline administrative interfaces. Contribute to mobile app development using React Native . Design and optimise databases using MySQL with a strong understanding of relational database structures. Collaborate effectively using Git for version … well‐documented code. Nice to Have Develop and optimise Electron.js applications for cross‐platform desktop use. Experience with authentication and security best practices in API development. Familiarity with DevOps, CI/CD, and deployment automation. Understanding of cloud services and hosting solutions. This is an exciting opportunity ...

Java Software Engineer

Location
Manchester, England, United Kingdom
global growth trends driven by digital adoption and regulatory expansion across lottery and iGaming markets. Well, what about the team? Join our dynamic Sports API team (named Matchday), where you\'ll be at the forefront of creating our Online Sportsbook APIs that underpin the Bally Bet experience. … Good collaborator, happy to jump in to help plan work, solve problems and deliver features. Knowledge of subjects including: Java, SpringBoot, relational databases and API design and development. Experience working using agile methodologies. Experienced with engineering best practices including TDD, pairing, automation, continuous delivery. Ideally also knowledge or experience ...