31 to 55 of 100 RESTful Jobs in London

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 ...

Senior Frontend Engineer

Hiring Organisation
AudienceProject
Location
City of London, London, United Kingdom
Experience designing and maintaining scalable frontend architectures in complex applications. Solid understanding of state management, component architecture, and performance optimisation techniques. Experience integrating with RESTful APIs and/or GraphQL. Experience implementing testing strategies (e.g., Jest, React Testing Library, Cypress or similar). Familiarity with CI/CD pipelines ...

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 ...

Quality Assurance Automation Engineer

Hiring Organisation
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Location
City of London, London, United Kingdom
code (C#, TypeScript) to ensure best practice, security and performance. Define and deliver test strategies for enterprise clients. Perform API and integration testing across RESTful services and microservices. Requirements: Strong understanding of the SDLC and modern engineering practices. Hands-on experience with Angular 18+ and .NET 8 (ASP.NET Core ...

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 ...

Frontend React Developer

Hiring Organisation
Explore Group
Location
City of London, London, 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 ...

Senior Backend Engineer

Hiring Organisation
Xapien
Location
London Area, United Kingdom
Essential 5+ years of professional software engineering experience Strong proficiency in Go, with deep understanding of concurrency, error handling, and idiomatic patterns Experience building RESTful or gRPC APIs Solid understanding of databases, with MongoDB experience highly valued Experience with micro-services architecture and distributed systems Familiarity with containerisation (Docker ...

Python Developer

Hiring Organisation
Hyerhub
Location
City of London, London, United Kingdom
Required skills and experience: 3 years commercial experience with Python Experience with Web frameworks such as Django and Flask Experience of using and building RESTful APIs using Python Experience with Front-end development (HTML, CSS, Javascript) Experience with source control (GitLab) Hands on experience and understanding of Docker and Kubernetes. ...

Senior Mobile iOS Developer (Remote)

Hiring Organisation
Stott & May Professional Search Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
£90,000
team. Skills and Experience * Strong proficiency in Swift and iOS SDKs, with a deep understanding of UIKit, SwiftUI, Combine, and Core frameworks. * Experience with RESTful APIs, JSON, and mobile architecture patterns (MVVM, Clean Architecture). * Familiarity with Xcode, GitHub, mobile CI/CD tools, automated testing frameworks ...

Lead Python Developer

Hiring Organisation
Hireful
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
will champion engineering excellence, define best practices, inspire and mentor developers, and keep innovation at the heart of everything you do – from microservices and RESTful APIs to CI/CD pipelines and containerised deployments. With a strong background in Python development and some knowledge of cloud-based tech ...

Mid Level Front End Developer

Hiring Organisation
Kingsgate Recruitment Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £60,000 per annum
Experience working with modern frameworks such as React, Angular, or Vue.js • Good understanding of responsive design and cross-browser compatibility • Experience integrating RESTful APIs • Familiarity with version control systems such as Git • Understanding of front-end build tools and modern development workflows • Strong problem-solving skills and attention to detail ...

Senior Software Engineer

Hiring Organisation
KennedyPearce Consulting
Location
London Area, United Kingdom
matter. What You’ll Be Doing Designing, building and maintaining high-performance backend services using C# and .NET/.NET Core Developing and evolving RESTful APIs for a scalable fintech platform Working across greenfield and existing systems, ensuring maintainability and resilience Contributing to microservices-based architectures and event-driven systems ...

Junior Back-end Engineer

Hiring Organisation
ivee
Location
London Area, United Kingdom
grow. Key responsibilities: Build and maintain server-side logic using modern backend frameworks (e.g. Node.js, Python, Go) Work with APIs — designing, integrating, and maintaining RESTful endpoints Support database design and optimisation (e.g. PostgreSQL, MongoDB) Collaborate with front-end and product teams to deliver full-stack features Write clean, testable ...

Full Stack Engineer

Hiring Organisation
S-Cube
Location
London, England, United Kingdom
data scale grows. The Tech Stack We believe in using the right tool for the job. Our core environment includes: Backend: Python, Django, RESTful APIs, SQL (PostgreSQL/MySQL). Frontend: TypeScript, Angular, HTML5/SCSS. Cloud & Ops: AWS (EC2, S3, Lambda), Docker. Data/ML Context: Interaction with ...

UI Developer - C# .NET WCF / WinForms London / Hybrid

Hiring Organisation
Akkodis
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £90,000 per annum
mindset. Nice-to-Have Experience with WPF or newer UI frameworks. Exposure to Azure or cloud-based integration. Knowledge of MVC, .NET Core, or RESTful services. Previous consultancy or client-facing experience. What We Offer Competitive salary up to £90000 and comprehensive benefits package. Hybrid working (3 days a week ...

Camunda Technical Architect

Hiring Organisation
Pi Digital Solutions
Location
Greater London, England, United Kingdom
decision modelling) Solid background in Java and/or JVM‐based ecosystems Experience designing distributed and event‐driven systems Strong understanding of: Microservices architecture RESTful APIs Asynchronous messaging Experience deploying and operating solutions in cloud environments Ability to balance pragmatic delivery with long‐term architectural integrity Desirable Experience Experience designing ...

Senior Software Engineer - React Native/React

Hiring Organisation
Onsera Health
Location
London Area, United Kingdom
Android applications Track record integrating health device APIs such as Apple HealthKit or Google Health Connect (or similar health data platforms) Experience with RESTful API design and integration, including real-time data synchronization patterns Proven ability to collaborate with cross-functional teams (product, design, ML) in an agile development environment ...

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

Hiring Organisation
Transreport
Location
London Area, 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 ...

Senior Java Developer

Hiring Organisation
Vallum Associates Limited
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 500 Daily
Your responsibilities: Design and develop web applications using Java (latest versions), Spring Boot, and AWS technologies. Architect and implement RESTful APIs for distributed enterprise-grade systems. Develop robust, scalable, and high-performance microservices leveraging Spring Boot and modern design patterns click apply for full job details ...

Python + AWS Developer

Hiring Organisation
NEEV LIMITED
Location
London, United Kingdom
Employment Type
Permanent
Deep understanding of AWS serverless architecture and best practices. Experience with infrastructure as code (IaC) tools such as AWS CloudFormation or Terraform. Familiarity with RESTful APIs, microservices architecture, and event-driven systems. Knowledge of DevOps practices, including CI/CD pipelines, automated testing, and monitoring using AWS services (e.g., CodePipeline ...

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 ...

Front-End Engineer

Hiring Organisation
ivee
Location
London Area, United Kingdom
years of front-end development experience - Strong proficiency in JavaScript, HTML, CSS - Experience with modern front-end frameworks (React, Vue, or Angular) - Knowledge of RESTful APIs and async request handling - Familiarity with version control tools (Git) - Understanding of cross-browser compatibility issues - Experience with build tools (Webpack, Babel, npm) - Strong ...

Ambassador

Hiring Organisation
Pyramid Consulting, Inc
Location
City of London, London, United Kingdom
2.0, and OpenID Connect Directory & Integration Management Configure and integrate LDAP/Active Directory Build integrations for web, mobile, API, and SaaS applications using RESTful APIs Essential Skills & Experience IAM Expertise Strong hands-on experience with PingOne AIC Deep understanding of SSO and federation protocols (SAML, OAuth 2.0, OIDC) Technical ...

Senior Backend Engineer

Hiring Organisation
Fruition Group
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£95,000
years' experience in backend software development within a fast-paced, agile environment. Strong proficiency in Python (or similar modern backend language) and experience building RESTful APIs or microservices. Solid understanding of data structures, algorithms, and software design principles. Experience with cloud-based infrastructure (Google Cloud, AWS, or Azure) Passion ...

DevSecOps Engineer

Hiring Organisation
Parliamentary Digital Service
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
end. Working across a bespoke Microsoft-focused environment including C#, .NET, .NET Core and .NET Framework, alongside MVC and Web API applications, SQL Server, RESTful APIs and Git-based workflows, you'll support teams in delivering secure, resilient software at pace. You'll provide practical guidance on secure design, code ...