31 to 55 of 94 RESTful Jobs in London

Principal Engineer - Java - £110,000

Hiring Organisation
Intec Select Ltd
Location
London, Broad Street, United Kingdom
Employment Type
Permanent
Salary
£100000 - £110000/annum Hybrid + 25% bonus
Architectures: Leverage modern technologies to design and implement scalable, secure, and high-performing cloud-native solutions. API Development and Integration: Design and build secure RESTful and GraphQL APIs, ensuring seamless integration with core banking systems (e.g., Mambu) and external services like Open Banking platforms. Data Engineering and Analytics: Work closely ...

Principal Engineer (Payments)

Hiring Organisation
Intec Select Ltd
Location
London, Fitzrovia, United Kingdom
Employment Type
Permanent
Salary
£90000 - £115000/annum Hybrid + 25% bonus
Architectures: Leverage modern technologies to design and implement scalable, secure, and high-performing cloud-native solutions. API Development and Integration: Design and build secure RESTful and GraphQL APIs, ensuring seamless integration with core banking systems (e.g., Mambu) and external services like Open Banking platforms. Data Engineering and Analytics: Work closely ...

VP Lead Engineer

Hiring Organisation
INTEC SELECT LIMITED
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£120,000 - £130,000 per annum
systems Advanced front-end experience with modern tooling (React, Vite, NX, Playwright) Strong understanding of distributed systems and microservices architecture Experience designing and deploying RESTful and event-driven APIs Hands-on experience with containerisation and orchestration (Kubernetes) A track record of driving engineering excellence through best practices, CI/ ...

Senior Backend Developer

Hiring Organisation
Rullion Limited
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Skills: Demonstrated expertise as a Senior Backend Developer. Proficiency in Python as your primary language, or willingness to adapt. Hands-on experience with RESTful APIs and/or GraphQL. Proficiency in version control tools like Git. Sound understanding of development best practices including pair programming and TDD. Eagerness to engage ...

Lead ETRM Solutions Architect

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
TIBCO, JMS) Java and enterprise application frameworks (J2EE, Spring) Data platforms and databases (Oracle, AWS Redshift, PL/SQL) API design and integration (RESTful services) Cloud architecture (AWS, Azure) Modern front‐end frameworks (Angular or React) – Awareness Level Scripting and automation (Windows, Linux, Python) Employee Programs & Benefits Competitive comprehensive medical ...

Senior Lead Software Engineer- Backend Engineer - Chase UK

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
effective tests (unit, component, integration, end-to-end, performance, etc.) Excellent written and verbal communicationskills in English Experience with cloud technologies and distributed systems, RESTful APIs and web technologies. Knowledge of messaging frameworks. Seasoned with operating, supporting and the security of mission critical software applications. Understanding with different kinds ...

Senior Software Engineer - Customer Engineering

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Java, Spring Boot, Maven) Strong understanding of event-driven architectures, asynchronous processing patterns, messaging systems, and distributed system design Proven experience designing and maintaining RESTful APIs, web hooks, and service-to-service integrations Comfortable operating in AWS, GCP, or Azure environments and working with modern observability tooling, logging, and monitoring ...

Senior Software Engineer - Customer Engineering

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Java, Spring Boot, Maven) Strong understanding of event-driven architectures, asynchronous processing patterns, messaging systems, and distributed system design Proven experience designing and maintaining RESTful APIs, web hooks, and service-to-service integrations Comfortable operating in AWS, GCP, or Azure environments and working with modern observability tooling, logging, and monitoring ...

Ruby Developer

Hiring Organisation
Proactive Appointments
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 - 80,000 Annual
Rails Strong understanding of OOP & Rails architecture Extensive experience with PostgreSQL (performance tuning, complex queries) Background job processing with Sidekiq & Redis Expertise in RESTful APIs , JSON, JWT, SSO Experience with AWS & Docker Production system support & troubleshooting Strong communication skills & Agile/Scrum experience Ruby on Rails Developer ...

Lead Full Stack Engineer

Hiring Organisation
ReVybe IT Recruitment Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
£100000 - £125000/annum
Engineering teams to deliver exceptional user experiences. Drive frontend best practices, ensuring applications are performant, accessible, and maintainable. Design and implement scalable microservices and RESTful APIs. Champion Clean Architecture, SOLID principles, and modern software engineering practices across the team. Conduct code reviews, provide technical mentoring, and support engineers with architectural ...

Node Developer

Hiring Organisation
17918
Location
London, United Kingdom
Responsibilities: Back-End Development: Design, develop, and maintain server-side applications and APIs using Node.js, ensuring performance, scalability, and security. API Integration: Work with RESTful APIs and third-party services to integrate and enhance system functionality. Database Management: Develop and maintain database architectures (e.g., MongoDB, PostgreSQL, MySQL) for robust data … Skills/Experience: Proven experience in Node.js development Strong knowledge of JavaScript (ES6+), asynchronous programming, and event-driven architecture. Experience with building and maintaining RESTful APIs. Solid understanding of SQL and NoSQL databases (e.g., MongoDB, PostgreSQL, MySQL). Familiarity with authentication and authorisation mechanisms (OAuth, JWT, etc.). Experience with ...

Node Developer

Hiring Organisation
17918
Location
London, United Kingdom
Responsibilities: Back-End Development: Design, develop, and maintain server-side applications and APIs using Node.js, ensuring performance, scalability, and security. API Integration: Work with RESTful APIs and third-party services to integrate and enhance system functionality. Database Management: Develop and maintain database architectures (e.g., MongoDB, PostgreSQL, MySQL) for robust data … Skills/Experience: Proven experience in Node.js development Strong knowledge of JavaScript (ES6+), asynchronous programming, and event-driven architecture. Experience with building and maintaining RESTful APIs. Solid understanding of SQL and NoSQL databases (e.g., MongoDB, PostgreSQL, MySQL). Familiarity with authentication and authorisation mechanisms (OAuth, JWT, etc.). Experience with ...

Full-Stack C# Engineer: Architect Scalable Finance Apps

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
minded environment. The role requires strong TypeScript/React frontend skills, solid C# back-end experience with SOLID principles, and a good grasp of RESTful APIs, CI/CD, #J-18808-Ljbffr ...

Senior Mobile App Developer (iOS/Android)

Hiring Organisation
Stott & May Professional Search Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
£90,000
Android SDKs, with a deep understanding of Jetpack libraries, Compose and modern Android architecture components. * Experience with Kotlin Multiplatform (KMM high desirable) * Experience with RESTful APIs, JSON, and mobile architecture patterns (MVVM, Clean Architecture). * Familiarity with Xcode, Android Studio, GitHub, mobile CI/CD tools, automated testing frameworks ...

Senior Solutions Engineer (Permanent)

Hiring Organisation
17918
Location
London, United Kingdom
financial integrations, this could be the perfect role for you. Familiarity with Java (Spring), Kubernetes, AWS, and service mesh architectures and technologies such as RESTful APIs, API design, Swagger, OpenAPI, and OAuth2. Familiarity and working experience with relational databases (e.g.MySQL, PostgreSQL) and non-relational databases (e.g., 6+ years in customer ...

Backend Engineer

Hiring Organisation
Robert Half Limited
Location
London, United Kingdom
Employment Type
Contract, Work From Home
with services and systems built in: Python Go Java Kotlin C# TypeScript/Node.js Ruby Rust API Design You will design, build, and consume: RESTful APIs GraphQL APIs Company UK's market leading media organisation with offices in London Hybrid working Salary & Benefits The salary range/rates ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Strong knowledge of SQL and relational databases, particularly PostgreSQL Knowledge of Terraform , Docker, AWS Experience designing, developing, and deploying microservices-based architectures and HTTP RESTful APIs We use a functional Scala stack built primarily on the Typelevel ecosystem , including: http4s, Circe, Cats, Cats Effect, FS2, Monix, and Slick. Interview Process ...

Software Engineer - Frontend - Payments

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
focus on web and mobile applications Deep understanding of JavaScript/TypeScript and proficiency with React and React Native frameworks Experience with Next.js, RESTful APIs and WebSockets Experience with frontend testing frameworks Familiarity with modern front-end build pipelines and tooling Strong understanding of UI/UX best practices ...

Senior Software Engineer II - Contacts Team - Java

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
pain-points You enjoy collaborating with others and bringing people together to solve a problem You have experience in designing, deploying and maintaining clean RESTful APIs You believe in and follow best coding practices, code reviews and open feedback You enjoy writing testable code and believe in Test Driven Development ...

Senior Lead Software Engineer- Back-end Engineer - Chase UK

Hiring Organisation
17918
Location
London, United Kingdom
tests (unit, component, integration, end-to-end, performance, etc.) Excellent written and verbal communication skills in English Experience with cloud technologies and distributed systems, RESTful APIs and web technologies. Seasoned with operating, supporting and the security of mission critical software applications. Understanding with different kinds of data stores (including relational ...

Senior Software Engineer I - Backend (Java) - Business Accounting Integrations and Reporting

Hiring Organisation
17918
Location
London, United Kingdom
more we do want to hear from you! Strong proficiency in backend programming languages like Java, Python or Go. Expertise in designing and implementing RESTful APIs. In-depth knowledge of distributed systems principles. Experience in designing and optimising distributed architectures is a plus. Demonstrated experience working in product-led companies ...

Senior Software Engineer I - Acquiring Platform - Backend (Java)

Hiring Organisation
17918
Location
London, United Kingdom
more we do want to hear from you! Strong proficiency in backend programming languages like Java, Python or Go. Expertise in designing and implementing RESTful APIs. In-depth knowledge of distributed systems principles. Experience in designing and optimising distributed architectures is a plus. Demonstrated experience working in product-led companies ...

Senior Pre-Sales Solutions Engineer - Enterprise London, UK

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
high‐complexity Enterprise deals (6–7 figures) with minimal oversight 5+ years working across modern development stacks, including Python, JavaScript frameworks (Node.js, React), RESTful APIs, SQL, and some exposure to mobile development Familiarity with AI‐assisted development tools (e.g. Codex, Claude Code) and emerging patterns such as MCP Strong domain ...

Senior IT System Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
just scripting, but building well-structured, testable automation with proper error handling, logging, and documentation Hands-on experience building API integrations and working with RESTful services, OAuth flows, webhooks, and API-first SaaS platforms Proficiency with at least one iPaaS/workflow automation platform (Workato, Tray.io, n8n, or similar ...

Staff React Full Stack Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Toolkit, Zustand, TanStack Query or Apollo), modern toolchains (Vite, ESBuild) and package managers (pnpm/yarn/npm). Strong Node.js back-end skills – RESTful and GraphQL API design, integration patterns, relational and NoSQL data modelling, and a practical understanding of deploying into modern cloud and serverless environments ...