31 to 55 of 121 RESTful Jobs in London

Senior Full Stack Developer (Python) - Networks, Vice President

Hiring Organisation
State Street
Location
Greater London, United Kingdom
Employment Type
Full Time
knowledge of full stack application technologies such as message brokers, version control, authentication and authorization controls. · Extensive experience in communication with other systems via restful API's. · Solid experience with of web data formats including JSON and XML · Experience with automating networking technologies a plus. · Familiarity with front ...

Senior Full Stack Developer (Python) - Networks, Vice President

Hiring Organisation
State Street
Location
london (city of london), south east england, united kingdom
knowledge of full stack application technologies such as message brokers, version control, authentication and authorization controls. · Extensive experience in communication with other systems via restful API's. · Solid experience with of web data formats including JSON and XML · Experience with automating networking technologies a plus. · Familiarity with front ...

Server-Side Java/AWS engineer

Hiring Organisation
Harvey Nash
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £80,000 per annum
critical systems that support transaction reporting across EMEA/APAC. What you'll do: Build scalable microservices using Java (Spring Boot) on AWS Develop RESTful APIs and cloud-native solutions Work on regulatory reporting platforms with real business impact Collaborate closely with product and business teams Tech stack: Java (17+ ...

Senior Full Stack Developer - 2 days a week in London - £60-80k

Hiring Organisation
Oliver Bernard
Location
City of London, London, United Kingdom
secure web applications Build backend services using Python (e.g. FastAPI, Flask, or Django) Develop modern frontend applications using React and TypeScript Design and maintain RESTful APIs 5+ years’ experience as a full-stack developer AI & Modern Development Practices (Required) Experience using AI coding tools or assistants ...

Java Multi-threading Developer - Capital Markets

Hiring Organisation
Ad Astra Consultants
Location
City of London, London, United Kingdom
production issues and optimize system performance Must-Have Skills Strong experience in Core Java (8/11+) Strong multithreading and concurrency concepts Experience building RESTful services/APIs Strong SQL skills (queries, data handling) Experience with Spring/Spring Boot framework Understanding of event-driven architecture (Kafka or similar) Domain ...

Mid-Level .NET / Full Stack Developer – Hybrid – £450/day Outside IR35 | C# | Azure | Event-Driven Systems | Payments | API-Driven

Hiring Organisation
VirtueTech Recruitment Group
Location
City of London, London, United Kingdom
month contract Responsibilities Build and maintain .NET services powering a global payments platform Contribute to event-driven microservices running in Azure Develop and maintain RESTful APIs used by internal systems and external partners Collaborate with senior engineers on system design and implementation Write clean, maintainable, and well-tested code Participate ...

Java Fullstack developer (AngularJS, ReactJS) - London, UK - Fulltime - Hybrid

Hiring Organisation
Capgemini
Location
Greater London, United Kingdom
Employment Type
Full Time
responsiveness. Your Skills: Essential Skills & Experience Strong development experience with UI Angular AngularJS ReactJS CSS Experience in JAVA Core Java Java EE MultithreadingConcurrency RESTful Development Experience in Springboot Framework Exposure to GitOps Experience with OracleMySQL Mongo DB Test Driven development and automated testing tools like JUnit Cucumber Jasmine JIRA Gradle ...

Java Fullstack developer (AngularJS, ReactJS) - London, UK - Fulltime - Hybrid

Hiring Organisation
Capgemini
Location
london (city of london), south east england, united kingdom
responsiveness. Your Skills: Essential Skills & Experience Strong development experience with UI Angular AngularJS ReactJS CSS Experience in JAVA Core Java Java EE MultithreadingConcurrency RESTful Development Experience in Springboot Framework Exposure to GitOps Experience with OracleMySQL Mongo DB Test Driven development and automated testing tools like JUnit Cucumber Jasmine JIRA Gradle ...

Engineering Manager - Software & ML

Hiring Organisation
Capital One UK
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
What we're looking for Leadership Excellence: Proven experience leading and supporting software engineering teams to achieve business goals. Technical Breadth: Excellent knowledge of RESTful API development in modern languages (Java, Python, or .Net) and experience with Cloud environments (AWS or Azure). AI Awareness: You aren't necessarily ...

Senior Software Engineer I (JavaScript))

Hiring Organisation
Elsevier
Location
Greater London, United Kingdom
Employment Type
Full Time
HTML, CSS, and JavaScript Experience building modern web applications using React Experience working with Node.js, Express, or related backend services Experience working with RESTful APIs Familiarity with agile development practices such as: Test-Driven Development Pair Programming Continuous Integration Automated testing and deployment Strong collaboration and communication skills with ...

Senior Sharepoint Consultant

Hiring Organisation
Career Legal Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
SharePoint Framework (SPFx) development. Proficiency in TypeScript, JavaScript, React, HTML5, CSS3, and modern front-end development practices. Strong experience integrating SharePoint solutions using RESTful APIs and Microsoft Graph. Solid experience with C# and .NET Framework for backend and integration development. Hands-on experience administering SharePoint on-prem environments, including patching ...

Frontend React Developer

Hiring Organisation
Explore Group
Location
London Area, United Kingdom
HTML5 , CSS3 , and modern JavaScript (ES6+). Proven experience with state‐management libraries (e.g., Redux, Zustand). Solid experience integrating front‐end apps with RESTful APIs, (GraphQL is a bonus). Experience with testing frameworks (e.g., Jest , React Testing Library ). Comfortable with CI/CD pipelines, version control ...

Application Engineer III - Java

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Permanent
Salary
£85,000
business demands and priorities. What it takes: Experience in Test Driven Development and strong knowledge of Java (17 or higher), Spring Boot, Spring MVC, RESTFul API implementation, GraphQL, and open-source frameworks Experience in software development using cloud technologies (AWS preferred) Knowledge of build/deployment/testing/logging ...

Front-End Developer (React and React Native)

Hiring Organisation
Foresters Financial
Location
Bromley, Kent, England, United Kingdom
Employment Type
Contractor
Contract Rate
Competitive salary
success. What you will do Design, build and maintain web applications using React Develop and support mobile applications using React Native Integrate applications using RESTful APIs Deploy applications and support releases into production Build responsive, accessible and well-structured user interfaces using HTML, CSS and JavaScript Contribute to front ...

Java API Developer, Officer

Hiring Organisation
State Street
Location
Greater London, United Kingdom
Employment Type
Full Time
Developer to join our Digital Asset development team. This is a hands-on software engineering role responsible for designing, developing, testing, and supporting RESTful APIs and backend services in a financial services environment. The role contributes to building reliable, secure, and well-documented services that integrate with upstream/downstream ...

Senior Fullstack Software Engineer

Hiring Organisation
Outsmart Insight
Location
City of London, London, United Kingdom
them into robust, production-ready solutions. What you’ll be doing Designing and maintaining backend services primarily in Python Developing and evolving well-structured RESTful APIs Designing and improving data models across relational (e.g. PostgreSQL) and NoSQL databases Working across the stack where needed, including JavaScript, modern HTML/ ...

Mid-Senior Ruby on Rails Engineer (B2B SaaS | Hybrid | UK)

Hiring Organisation
Transreport
Location
City of London, London, United Kingdom
Rails architecture Extensive experience with PostgreSQL, including performance tuning and complex queries. Experience with background job processing using Sidekiq and Redis. Solid understanding of RESTful API design, JSON serialization, and authentication (e.g., JWT, SSO). Hands-on experience with AWS services and containerised deployments (Docker). Experience troubleshooting and supporting ...

AWS Solution Architect

Hiring Organisation
Capgemini
Location
Greater London, United Kingdom
Employment Type
Full Time
across modern tech stacks. Proven ability to manage full project lifecycles—from planning and estimation to deployment and support. Skilled in designing and optimizing RESTful APIs and scalable, high‐performance application architectures. Deep understanding of SDLC and Agile (Scrum) practices. Experienced in risk management, issue resolution, and project governance. Proficient ...

Engineering AI Software Engineer - Vice President - London

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
think critically and creatively. Excellent communication and collaboration skills, with the ability to work effectively in a team environment. Experience of using and developing RESTful web Services Experience or interest in building mission critical and highly available systems Experience of end‐to‐end design and implementation of software products Team ...

Python Developer

Hiring Organisation
Vallum Associates
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £525/day
Responsibilities Develop, test, and maintain high-performance backend applications using Python Design and build RESTful APIs using FastAPI Automate deployment, configuration, and infrastructure management using Ansible Collaborate with DevOps teams to implement and maintain CI/CD pipelines Manage cloud-based infrastructure and containerized applications (Docker/Kubernetes) Write clean ...

Java 8 Software Engineer | £500 – £550 | Inside IR35 | 6 Months | Hybrid Remote

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £550 per day
Java 8 or similar legacy Java frameworks Solid skills in SQL, Spring Boot, and Hibernate development practices Proven ability to build microservices and reliable RESTful APIs Hands-on experience applying TDD and BDD testing approaches Good understanding of clean coding principles, SOLID, and cloud technologies Previous experience in the Finance ...

Sharepoint Developer & Administrator

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
SharePoint Framework (SPFx) development. - Proficiency in TypeScript, JavaScript, React, HTML5, CSS3, and modern front-end development practices. - Strong experience integrating SharePoint solutions using RESTful APIs and Microsoft Graph. - Solid experience with C# and .NET Framework for backend and integration development. - Hands-on experience administering SharePoint on-prem environments, including patching ...

Front End React Developer

Hiring Organisation
Ascend Consulting
Location
NW7, Mill Hill, Greater London, United Kingdom
Employment Type
Permanent
Salary
£45000 - £75000/annum Great Benefits
model Experience developing with typescript Thorough understanding of React.js and its core principles Experience with Redux and RTK (RTKQuery also a bonus) Familiarity with RESTful APIs Knowledge of modern authorization mechanisms, such as JSON Web Token Familiarity with modern front-end build pipelines and tools (Github actions a bonus) Experience ...

Software Developer (React.JS/ Node.JS)

Hiring Organisation
4Square Recruitment Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £55,000 per annum
with JavaScript in a professional environment Strong proficiency with React for building dynamic, user-friendly front-end applications Solid experience with Node.js for developing RESTful APIs and back-end services Experience with version control systems, particularly Git Desirable Skills/Experience: Demonstrable knowledge of web security principles - including authentication, authorisation ...

AI-Pilled BackEnd Developers and... err, cats.

Hiring Organisation
Mongoose Gray
Location
London Area, United Kingdom
Server databases. The Back-End Developer will write efficient stored procedures, views and complex queries. The Back-End Developer will develop and maintain RESTful APIs. The Back-End Developer will ensure applications are performant, secure and resilient. The Back-End Developer will deploy and manage services within AWS environments. ...