26 to 50 of 325 Permanent API Development Jobs

Engineering community to develop our data and MLOps capability infrastructure Strong experience in software engineering with proficiency in a language such as Python for API development, data engineering and automation tasks A background in working with storage solutions such as PostgreSQL, MySQL, and BigQuery Experience in API … development using tools such as FastAPI or Flask , enabling data access and integration across systems Solid knowledge of cloud platforms (GCP and/or AWS), with the ability to design and deploy data solutions at scale Experience with IAC and CI/CD pipelines to ensure reliable, repeatable ...

London, United Kingdom | Posted on 04/08/2026 Work Experience Software Engineer, SolidWorks API, C#, .NET, DriveWorks, AEC, Design Automation, CAD Developer, C# Developer, .NET Developer, SQL, DAC, VBA, Python, PowerShell, CAD Automation, API, Scripting, Automation Developer City London Province City of London Country United Kingdom … DOE+ Car Allowance or Company Car Location - Hybrid (Dartford, Nottingham, Sheffield or Manchester) Are you a C#/.NET developer with expertise in SolidWorks API and design automation? Join a prestigious industry leader in construction innovation and technology solutions, dedicated to shaping the future of the sector through advanced ...

Development Manager (Platform) is responsible for leading the day-to-day development and delivery of SHG’s in-house reservation system, Hermes, built primarily in .NET. The role ensures highquality engineering, effective Agile ways of working, and the smooth delivery of enhancements, maintenance and integrations across the platform. … develop a team of software engineers, inherit and strengthen an established team culture, and work closely with the Solution Architect to ensure all development aligns with architectural standards and the wider technology strategy. Key Responsibilities: Manage the planning, delivery and quality of all development work on the Hermes ...

APIs within distributed systems environments. Contribute to the design and evolution of large-scale digital services. Implement high-quality software solutions using Test Driven Development (TDD) and Behaviour Driven Development (BDD). Work within Agile delivery teams, participating in sprint planning, refinement, stand-ups, reviews and retrospectives. Collaborate … continuous improvement initiatives across engineering standards, tooling and delivery practices. Essential Skills & Experience Java 21 (or later) Spring Boot Large-scale Microservice Architectures REST API Development Test Driven Development (TDD) Behaviour Driven Development (BDD) MongoDB or other document database technologies Experience delivering within Agile environments Strong ...

will play a pivotal role in architecting and developing our next-generation web application and API. This role requires technical leadership, hands‐on development, and mentoring of junior developers. You will drive the adoption of best practices, ensuring scalability, security, and performance. If you are passionate about software development … eligible for visa sponsorship only for candidates that are already based in the UK. Key Responsibilities Technical Leadership: Lead the technical design and development of scalable, secure web applications and APIs, driving best practices across the development lifecycle. Architecture & Design: Oversee system architecture decisions, ensuring alignment with business ...

over 3000 employees. They are now looking to recruit a Senior Solutions Architect to be based at the Company's Central London Offices. Application Development Expertise " Expertise in application architecture using modern technologies such as cloud native development, 12 factor Apps, microservices, serverless, API management, Kafka, etc. … Deep knowledge of Microservices, Containers, REST APIs development, API Management tools (e.g. MuleSoft, Apigee), Kafka" " Solution architect with broad expertise in wide range of digital technologies in areas of application platform development, web and mobile development, cloud, integration, security, etc." " Application dev experience with at least ...

About The Role We are seeking a Senior Embedded Software Engineer to join a multi-discipline EW capability development team at our Gloucester site. This exciting opportunity allows you to work on a variety of Defence, Cyber, and Intelligence programmes, contributing to the design, development, and deployment … cutting‐edge RF systems. If you have hands‐on experience with embedded systems development – especially in the context of software defined radio applications – and are eager to advance your career in a high‐impact, innovative environment, we want to hear from you! At Lockheed Martin, we provide meaningful work ...

with some Pre-Sales experience to be based at the Company's Central London Offices. You will extensive and deep Expertise in following Application Development areas: Expertise in application architecture using modern technologies such as cloud native development, 12 factor Apps, microservices, serverless, API management, Kafka, etc. … Deep knowledge of Microservices, Containers, REST APIs development, API Management tools (e.g. MuleSoft, Apigee), KafkaSolution architect with broad expertise in wide range of digital technologies in areas of application platform development, web and mobile development, cloud, integration, security, etc. Application dev experience with at least ...

maintain full-stack applications – Build robust, scalable applications using Python (FastAPI/Flask), and ReactJS following best practices and design patterns• Contribute to the development lifecycle – Write clean, maintainable code, implement CI/CD pipelines with GitHub Actions, deploy to Kubernetes, and ensure quality through testing and code reviews … environments• Software Engineering Fundamentals – Strong understanding of OOP concepts, design patterns, SOLID principles, algorithms, data structures, and ability to write clean, maintainable code• Backend Development – Proficiency in Python (Pandas, FastAPI, Flask) for building enterprise applications, data processing, and API development• Frontend Development – Experience with ReactJS, Node.js ...

Lead Developer/Team Lead – FintechTech: C# .net, Azure, SQL, Team City, GIT, TFSChallenge: Greenfield Trading platform, API development, industry specific challengesFirm: Well-known Insurtech software business, West London, 10 man flat Dev TeamPay: 65k, Bonus- 750 training budget, Pension, Life/Health, Some Flex WorkingQuant is urgently … looking for a Lead Developer/Development Manager to join our high profile client. Current challenges include cloud migration, greenfield trading platform development, and bank based API creation. Our client is a well known fintech software house in the City. Day to Day the Lead Developer/ ...

world work better for people. Overview We are looking for an AI Developer to join our dynamic team and contribute to the design, development, and deployment of AI-powered applications and intelligent workflows. The ideal candidate will have a strong background in Python development, experience integrating … into production systems, and the ability to build scalable, secure, and high-performance applications. Experience with data processing, cloud-native architectures, and modern AI development patterns will be highly valued. Responsibilities Develop, test, and maintain AI-powered applications and intelligent workflows using Python in a cloud-native environment Design ...

Hadleigh, Essex – Hybrid (2 days office/3 days home) We’re looking for a PHP/Laravel Developer to join a small, established development team supporting a growing organisation. This is a great opportunity for someone with around 2+ years of commercial development experience who has strong … highly senior developer, but you should be comfortable working on production applications, picking up existing codebases and contributing without significant hand‐holding. The development team is increasingly embracing AI‐assisted software development, with Claude Code and Anthropic models being used throughout the development process. We’re therefore ...

engineering direction of products used by thousands of organisations across the UK and internationally. This is an opportunity to combine hands-on software development with technical leadership, working with modern Microsoft technologies, AI-assisted development tools, and cloud-native architectures. Your Team You’ll work within a collaborative … across both our engineering practices and products. You'll have the opportunity to leverage tools such as GitHub Copilot while contributing to the development of intelligent capabilities within our SaaS platform. Beyond delivering great software, you’ll help mentor others, contribute to technical decision‐making, and influence ...

looking for a Senior Full-Stack Developer to play a pivotal role in leading the design, development, and deployment of complex software solutions. You will architect and maintain data engineering pipelines, backend services, APIs, demonstrate consideration for design and UI/UX when building user interfaces, delivering reliable … required, which means candidates applying for this role should either hold it or be eligible to obtain it. KEY RESPONSIBILITIES: Contribute to the design, development, and deployment of robust software solutions, promoting best practices throughout the software development lifecycle Contribute to architecting and maintaining complex data engineering pipelines ...

About The Role We are seeking a Lead SDR Engineer (Software Defined Radio) to join a multi-discipline EW capability development team at our Gloucester site. You’ll work on a variety of Defence, Cyber, and Intelligence programmes, with the opportunity to specialise in key areas such as SIGINT … software defined radio architectures, payload development, and OpenCPI applications. At Lockheed Martin, we provide meaningful work and continuous learning opportunities that will help develop your skills and progress your career. We believe in supporting a healthy work‐life balance, offering flexible work schedules, hybrid work where possible ...

will help evaluate AI technologies, design agent-based workflows, integrate AI services with enterprise platforms, support responsible AI practices, and contribute to the software development lifecycle. Prior experience working with ERP systems and complex enterprise integrations is preferred. Specific Expected Contributions Develops, configures, tests, and supports AI-enabled enterprise … application solutions that improve automation, decision support, operational efficiency, and user productivity. Collaborates in the development and integration of solutions using large language models, retrieval-augmented generation, agentic workflows, orchestration frameworks, AI services, APIs, and enterprise application platforms. Partners with product owners, architects, and technology teams to identify, evaluate ...

mobile applications that support an evolving digital strategy. The Role As a Digital Application Developer, you'll be involved in the full software development lifecycle, working closely with product, design and engineering teams to deliver secure, scalable and user-focused digital solutions. You'll contribute to the development … Skills & Experience We're interested in speaking with candidates who have experience in some of the following areas: React, TypeScript and modern JavaScript development Mobile application development using iOS and/or Android technologies API development and systems integration Software design principles and application architecture ...

have an opportunity to be part of re architecture and re-platforming initiatives on business process transformation. Responsibilities: Write code on one or more development platforms to deliver part or all of a feature, collaborating with Enterprise Architect and Senior engineers. Respond to problems, questions, or situations by applying … established criteria to directly influence development outcomes. In doing so, use the right technology to solve technical challenges required to deliver all or part of small scale features and functions and/or supporting aspects of a larger program efforts. Have responsibility for applications solution design and programming activities ...

GenAI projects. As a Senior Developer, you will be at the driving innovation and delivering cutting-edge solutions. Your expertise will contribute to the development of our platform, shaping its capabilities and providing impactful solutions. Join our dynamic team and be part of a collaborative environment that fosters continuous … learning and creativity. If you are passionate about machine learning, AI, and want to contribute to the platform capability development for our whole organization, we invite you to apply for the position of Technology Architecture in our AI Enablement Team. Job responsibilities: Software Development: Design, develop, and maintain ...

scalable enterprise applications using Java and Spring technologies . The ideal candidate should have strong software engineering fundamentals, hands-on experience across the full development lifecycle, and the ability to work effectively in complex enterprise environments. The role will involve new feature development, collaboration with Business Analysts … tests and ensure appropriate test coverage. Support application releases, deployments, and production readiness activities. Collaborate with QA, DevOps, infrastructure, and support teams throughout the development lifecycle. Follow Agile/Scrum and software engineering best practices. Basic Qualifications 7+ years of experience in Java application development and enterprise software ...

Full Stack Engineer within large-scale digital transformation programmes. Strong experience delivering projects within the public sector, ideally central government. Significant hands-on Java development experience. Strong knowledge of RESTful API development and microservices architecture. Front-end development expertise using technologies such as: React Angular TypeScript ...

GenAI projects.As a Senior Developer, you will be at the driving innovation and delivering cutting-edge solutions. Your expertise will contribute to the development of our platform, shaping its capabilities and providing impactful solutions.Join our dynamic team and be part of a collaborative environment that fosters continuous learning … creativity. If you are passionate about machine learning, AI, and want to contribute to the platform capability development for our whole organization, we invite you to apply for the position of Technology Architecture in our AI Enablement Team.**Job responsibilities:*** Software Development: Design, develop, and maintain applications. Write ...

SvcsBusiness Unit: RMS UK SvcsAbout the roleWe are seeking a Lead SDR Engineer (Software Defined Radio) to join a multi-discipline EW capability development team at our Gloucester site. You'll work on a variety of Defence, Cyber, and Intelligence programmes, with the opportunity to specialize in key areas … such as SIGINT, software defined radio architectures, payload development, and OpenCPI applications. At Lockheed Martin, we provide meaningful work and continuous learning opportunities that will help develop your skills and progress your career. We believe in supporting a healthy work-life balance, offering flexible work schedules, hybrid work where ...

experienced Senior Full Stack Engineers to join a high-performing engineering team building and enhancing modern enterprise applications. This is a hands-on development role for engineers who enjoy working across the full technology stack, delivering scalable web applications, cloud-native services, and modern user experiences. The successful candidate … will have strong Java and Front End development experience, a passion for software engineering best practices, and experience working within Agile delivery teams. Key Responsibilities Design, develop and maintain scalable enterprise applications. Build modern Front-End applications using React (preferred) or Angular. Develop secure and performant backend services using ...

applications and user-facing digital platforms.Build, support, and enhance APIs and backend services using .NET/C# and Node.js. Work with AWS Lambda and API Gateway to support serverless application development. Develop and maintain integrations between Salesforce and internal systems using Celigo. Write, optimise, and troubleshoot SQL queries, stored … procedures, and database processes. Support Salesforce development using Apex and Aura Components. Deliver responsive, accessible, and high-performing front-end experiences. Implement designs from internal and external creative teams. Create and maintain HTML email templates for both B2C and B2B communications. Integrate third-party services and social media platforms ...