1 to 25 of 113 RESTful Jobs in London

Head of Software Engineering - 2 Days London City/3 Remote

Hiring Organisation
ZENZO DIGITAL LTD
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
Responsive design (Bootstrap, Tailwind), state management (Redux, Context API) Front-end testing (Jest, React Testing Library, Cypress) Backend C#, ASP.NET Core/.NET 6+ RESTful and GraphQL APIs Entity Framework Core, LINQ Authentication & authorisation (OAuth2, JWT, Azure AD) Secure coding and API versioning Data & Integration SQL Server, Azure SQL, Cosmos ...

Senior Product Engineer remote

Hiring Organisation
Serve Legal
Location
South West London, London, United Kingdom
Employment Type
Permanent
Salary
£80,000
Agentic AI: Frameworks (langchain, langgraph, Google ADK) AI enabled code tooling: Cursor, Windsurf, GitHub copilot AI powered platform development: Lovable, Replit, Bolt APIs & Microservices: RESTful APIs, GraphQL, microservice architectures Cloud & DevOps: AWS, Azure, or GCP; Docker; CI/CD pipelines Data Integration: Products integrating ML/AI models, databases ...

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 ...

Full Stack Engineer

Hiring Organisation
Persistent Systems
Location
City of London, London, United Kingdom
/ML Integration: Work closely with Data Scientists to deploy and integrate ML models (including LLMs, Predictive Models, and NLP) into production environments via RESTful APIs. Database Management: Design and optimize schemas for both SQL (Oracle, PostgreSQL) and NoSQL, (MongoDB), Snowflake databases. Cloud & DevOps: Deploy applications using AWS or Azure ...

Senior Engineer

Hiring Organisation
&Dine
Location
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 ...

Software Engineer

Hiring Organisation
Opulent Mind
Location
City of London, London, United Kingdom
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 ...

Senior Java Developer

Hiring Organisation
Vallum Associates Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 per day
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. Integrate and manage AWS services such as EC2, S3, Lambda ...

.Net Developer

Hiring Organisation
Wave Talent
Location
City of London, London, United Kingdom
working in production environments. Key Responsibilities Design, develop and maintain applications using C# and .NET/.NET Core Contribute to the development of RESTful APIs and backend services Work on the modernisation and refactoring of legacy .NET applications Collaborate with product managers, business analysts and QA to deliver high-quality ...

Senior Java Microservices AWS developer

Hiring Organisation
DCV Technologies Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
Serverless architecture Model. 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. Integrate and manage AWS services such ...

Senior React Engineer

Hiring Organisation
IntecSelect
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 700 - 800 Daily
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 ...

Senior Python Developer Team Lead

Hiring Organisation
RedTech Recruitment Ltd
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
experience designing and building scalable backend systems Strong experience with AWS and Infrastructure-as-Code tools such as Terraform, CloudFormation or CDK Experience designing RESTful APIs, microservices and event-driven architectures Exposure to CI/CD pipelines, containerisation and version control tools including Docker, Kubernetes and Git Comfortable working ...

Lead Back End Engineer

Hiring Organisation
mkodo
Location
London Area, United Kingdom
mandatory) and container orchestration (Kubernetes). You are experienced in event-driven architectures and messaging platforms such as Kafka. You have strong understanding of RESTful APIs, microservices, and distributed system design. You have knowledge of SQL and NoSQL databases. You are experienced in CI/CD pipelines, automated testing ...

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 ...

Python Developer

Hiring Organisation
Radley James
Location
City of London, London, United Kingdom
/NoSQL databases. Proven experience working in fast-paced environments, ideally within trading, financial services, or high-frequency environments. Proficiency in developing RESTful APIs, microservices, and working with cloud-based architectures (AWS, GCP, or similar). Expertise in testing frameworks, CI/CD, and containerization technologies such as Docker ...

Full Stack Software Engineer

Hiring Organisation
Fiddlie
Location
London, England, United Kingdom
startup, consulting, or fast-paced project environments Portfolio demonstrating shipped commercial products Beneficial: Familiarity with cloud infrastructure (AWS, Azure, GCP) API design and RESTful services DevOps practices and CI/CD pipelines Technical writing and client-facing communication Interest in electronics, hardware, or physical product development What We Value ...

Full Stack Engineer

Hiring Organisation
Futuria
Location
Greater London, England, United Kingdom
needs, contributing directly to products that redefine how humans and intelligent agents collaborate. Key Responsibilities Design, implement, and maintain scalable back-end systems and RESTful APIs using Python (FastAPI/D) Apply domain-driven design and test-driven development to build microservices using agile methodologies, with a focus on reliability ...

Senior Software Engineer

Hiring Organisation
Cyber Guardian Consulting Group, LLC
Location
City of London, London, United Kingdom
office, it will transition to hybrid. What You'll Do Design, develop, and maintain API-based integrations with third-party platforms Build and maintain RESTful services, webhooks, and asynchronous workflows Troubleshoot integration failures, API errors, and data inconsistencies Work with external vendors and internal stakeholders to understand integration requirements Ensure ...

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 Java Developer (Low-Latency Payments Systems)

Hiring Organisation
RE Partners
Location
City of London, London, United Kingdom
hear from you. Key Responsibilities : Design, develop, and optimize low-latency, high-throughput backend systems using Core Java and SpringBoot. Build and maintain RESTful APIs and microservices that power secure payment workflows. Work with XML-based messaging standards and protocols commonly used in financial transactions. Deploy, monitor, and scale applications ...

Senior 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 deep knowledge of AWS, containers and automation ...

Senior Python Developer

Hiring Organisation
Hireful
Location
North West London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
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 deep knowledge of AWS, containers and automation ...

Senior Azure API Engineer

Hiring Organisation
Vermillion Analytics
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £750/day
delight users What You Bring Essential: 10+ years software development, including 3+ years hands-on Azure Deep expertise in Azure API Management Strong OpenAPI, RESTful API design, and security protocols (OAuth 2.0, JWT, TLS) Proficiency in Node.js/Java/C# and modern integration patterns Experience with CI/ ...

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 ...