1 to 25 of 66 RESTful Jobs in London

Senior Python Developer

Hiring Organisation
Grace May
Location
London, UK
Employment Type
Full-time
production-ready Python library from an existing proof of concept Contribute to the design and architecture of the core platform Build and maintain RESTful APIs and backend services using Python Develop frontend components using HTML, CSS and modern JavaScript Implement testing strategies including TDD and automated testing frameworks Contribute ...

Web Developer - C#

Hiring Organisation
CV Screen Ltd
Location
Erith, Kent, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
Solid front-end skills including HTML5, CSS3 and JavaScript/TypeScript, plus a modern framework (e.g. React, Angular or Blazor) Experience with SQL databases, RESTful APIs and software testing practices Salary & Benefits Salary of £45,000 – £50,000 plus 25 days holiday plus bank holidays, hybrid working, pension scheme, private ...

Senior Developer

Hiring Organisation
Precise Placements
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £90,000 per annum
systems; •implement and maintain CI/CD pipelines, source control (Azure DevOps preferred), and automated testing; •integrate with APIs and third-party services using RESTful APIs, JSON, and XML-based protocols; •develop and maintain components using .NET technologies such as C# and ASP.NET where required; •establish and support the infrastructure ...

Web Developer - C

Hiring Organisation
CV Screen Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 45,000 - 50,000 Annual
Solid front-end skills including HTML5, CSS3 and JavaScript/TypeScript, plus a modern framework (e.g. React, Angular or Blazor) Experience with SQL databases, RESTful APIs and software testing practices Salary & Benefits Salary of £45,000 £50,000 plus 25 days holiday plus bank holidays, hybrid working, pension scheme, private ...

Web Developer - C

Hiring Organisation
CV Screen Ltd
Location
Belvedere, Colyers, Greater London, United Kingdom
Employment Type
Permanent
Salary
£45000 - £50000/annum Benefits
Solid front-end skills including HTML5, CSS3 and JavaScript/TypeScript, plus a modern framework (e.g. React, Angular or Blazor) Experience with SQL databases, RESTful APIs and software testing practices Salary & Benefits Salary of £45,000 – £50,000 plus 25 days holiday plus bank holidays, hybrid working, pension scheme, private ...

Senior Engineer

Hiring Organisation
&Dine
Location
Greater London, England, United Kingdom
reviews, and collaboration Back-end Experience with some of the following, or a strong willingness to learn: Node.js – building scalable, maintainable services APIs – RESTful design (GraphQL a plus), authentication, validation, rate limiting Databases – PostgreSQL/MySQL, schema design, indexing, query optimisation ORMs – Sequelize or similar (migrations, associations, transactions) Business logic ...

Senior Automation Test Engineer - ETRM / Trading Platforms

Hiring Organisation
Data Careers
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
test automation with an ETRM platform with as many of the following as possible: Programming & Scripting: Python, Java, JavaScript, C++, Scriban Web Technologies: RESTful APIs, HTTP, JSON, HTML, CSS, Node.js Databases: SQL Server, MySQL, PostgreSQL, MongoDB Tools & Frameworks: Git, Docker, Jenkins, Kubernetes, Agile (Scrum & Kanban), JIRA, Pytest, Powershell Operating Systems ...

Software Engineer

Hiring Organisation
Opulent Mind
Location
South London, UK
Employment Type
Full-time
architecture patterns. Required skills and experience 5+ years of professional experience in software engineering, with strong proficiency in Java Experience working with Spring Boot, RESTful APIs, and Microservices architecture. Solid understanding of SQL/NoSQL databases (e.g., PostgreSQL, MongoDB). Knowledge of CI/CD pipelines, Docker, and cloud platforms ...

SC Cleared Full Stack Developer (NodeJS)

Hiring Organisation
SR2 - Socially Responsible Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 450 Daily
expected within government environments. Key Responsibilities Develop and maintain Back End services using Node.js Build and enhance responsive Front End applications Design and consume RESTful APIs Contribute to architecture discussions and technical design decisions Write clean, maintainable, well-tested code Support CI/CD pipelines and automated deployment processes Ensure ...

Senior React Engineer

Hiring Organisation
INTEC SELECT LIMITED
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Design, build, and maintain a React/TypeScript trading UI, delivering real-time streaming data and a seamless user experience Integrate the UI with RESTful and streaming APIs (built in Rust and Python) Own performance improvements across dashboards, widgets, and live data visualisation Collaborate with QA and DevOps to enhance ...

Solution Lead (JavaScript, C#, Azure)

Hiring Organisation
Stott & May Professional Search Limited
Location
London, United Kingdom
Employment Type
Permanent
asynchronous operations, and authentication flows, with the ability to assess design options and advise teams on integration approaches rather than implementing directly * Familiarity with RESTful and GraphQL API consumption and integration, including security considerations and cloud-native architectures (Azure preferred) * Working knowledge of architecture patterns, performance optimisation strategies, and security ...

Senior Golang Developer - Kubernetes - Financial Services

Hiring Organisation
Rothstein Recruitment Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 120,000 - 160,000 Annual
systems and services, particularly in areas such as trading platforms, investment management, and risk analytics. Experience in building microservices architectures and working with APIs (RESTful, gRPC, etc.) to integrate various systems. Strong knowledge of containerization (Docker) and continuous integration/deployment (CI/CD) practices. Experience with database systems (relational ...

Junior Systems Engineer

Hiring Organisation
Open Answers
Location
Harrow, Greenhill, Greater London, United Kingdom
Employment Type
Permanent
Salary
£30000 - £35000/annum
automation Ability to program in at least one compiled language: C, C++, Java, .NET family Windows administration and troubleshooting Understanding of XML, SOAP and RESTful API concepts Cloud experience eg AWS EC2, Azure, Google, Oracle Working with a continuous build environment such as Jenkins Contributing to your own open-source ...

Senior React Developer

Hiring Organisation
INTEC SELECT LIMITED
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£120,000 - £140,000 per annum
Design, build, and maintain a React/TypeScript trading UI, delivering real-time streaming data and a seamless user experience Integrate the UI with RESTful and streaming APIs (built in Rust and Python) Own performance improvements across dashboards, widgets, and live data visualisation Collaborate with QA and DevOps to enhance ...

Fullstack Engineer

Hiring Organisation
Pontoon
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
enjoys building systems that genuinely influence business outcomes. You bring strong Java expertise, familiarity with Spring/Spring Boot , and a solid understanding of RESTful APIs and microservices . Experience with Kafka , SQL , and frontend technologies like Angular or React will help you shine. And if you have exposure ...

Senior Software Engineer (React Native) - UCX

Hiring Organisation
Hargreaves Lansdown
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
maintain a high-quality React Native application. Architect scalable mobile solutions that meet the demands of financial applications (security, performance, reliability). Integrate with RESTful and GraphQL APIs and collaborate closely with backend teams. Optimize app performance, including memory usage, load times, and smooth UI interactions. Implement high-security standards ...

Senior Outlook Add-in Developer

Hiring Organisation
Oscar Associates (UK) Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550 per day
TypeScript, HTML, and CSS Deep understanding of Microsoft 365, Exchange Online, and the behavioral differences between Outlook clients Experience integrating with Microsoft Graph, RESTful APIs, and modern authentication methods (OAuth/Azure AD) Nice to have: Exposure to CI/CD pipelines, Git-based version control, and automated testing practices ...

Senior Full Stack Developer

Hiring Organisation
SmartResilience
Location
London, UK
Employment Type
Full-time
services (Lambda, S3, RDS, etc.), and microservices architectures. Familiarity with frontend frameworks, especially React, and how they integrate with backend services. Strong understanding of RESTful APIs and data management using SQL/NoSQL databases. Experience in deploying and managing cloud-based applications, including working with CI/CD pipelines. Familiarity ...

Software Engineer (React Native) - UCX

Hiring Organisation
Hargreaves Lansdown
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
shaping the evolution of our mobile technology stack. What You'll Do Build and maintain a high-quality React Native application. Integrate with RESTful and GraphQL APIs. Diagnose, debug, and resolve issues across the mobile stack, ensuring a smooth and reliable user experience. Participate in code reviews, offering constructive feedback ...

Full Stack Developer (Python / React)

Hiring Organisation
Rise Technical Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 60,000 - 70,000 Annual
improvements in development processes, tooling, and code quality The Person: Experienced Full Stack Developer with strong Python backend development skills Commercial experience developing RESTful APIs and backend systems Experience building modern web applications using React Strong understanding of SQL databases, data modelling, and query optimisation Experience working with AWS cloud ...

Full Stack Developer (Python / React)

Hiring Organisation
Rise Technical Recruitment
Location
Camden, London, Camden Town, United Kingdom
Employment Type
Contract
Contract Rate
£60000 - £70000/annum
improvements in development processes, tooling, and code quality The Person: * Experienced Full Stack Developer with strong Python backend development skills * Commercial experience developing RESTful APIs and backend systems * Experience building modern web applications using React * Strong understanding of SQL databases, data modelling, and query optimisation * Experience working with AWS cloud ...

Full Stack Developer (Python / React)

Hiring Organisation
Rise Technical Recruitment Limited
Location
North London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £70,000 per annum
improvements in development processes, tooling, and code quality The Person: * Experienced Full Stack Developer with strong Python backend development skills * Commercial experience developing RESTful APIs and backend systems * Experience building modern web applications using React * Strong understanding of SQL databases, data modelling, and query optimisation * Experience working with AWS cloud ...

Office.js Developer (Outlook)

Hiring Organisation
Oscar Associates (UK) Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
£500 - £550 per day
TypeScript, HTML, and CSS Deep understanding of Microsoft 365, Exchange Online, and the behavioral differences between Outlook clients Experience integrating with Microsoft Graph, RESTful APIs, and modern authentication methods (OAuth/Azure AD) Nice to have: Exposure to CI/CD pipelines, Git-based version control, and automated testing practices ...

UI Engineer - Fixed Income

Hiring Organisation
Robert Walters
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £85,000 per annum
understanding of Java fundamentals, including OOP, collections, exception handling, and concurrency Experience with microservice architectures and event-driven systems Proven experience designing and building RESTful and event-driven APIs Working knowledge of SQL and relational database design Exposure to containerisation and orchestration tools such as Docker and Kubernetes Experience with ...

Senior UI Developer

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Permanent
Salary
£65,000
8+ years of professional front-end development. Tech Stack: Expert-level JavaScript (OOJS), TypeScript, ReactJS, NextJS, HTML5, and CSS3. Integration: Proven experience integrating with RESTful Web Services . Precision: Ability to maintain technical standards while delivering polished, high-end functionality. Collaboration: Comfortable navigating stakeholders and working alongside UX/Design ...