31 to 55 of 79 RESTful Jobs in London

Principal Engineer - Java - £110,000

Hiring Organisation
Intec Select Ltd
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 100,000 - 110,000 Annual
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 - 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 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
City of London, London, United Kingdom
Employment Type
Permanent
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 ...

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 ...

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 ...

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 ...

Senior Product Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
approach, straight from the people you’ll be working with: Node.js - primary backend framework MongoDB or other NoSQL database SQL databases and query optimisation RESTful API design and implementation Git - version control and collaborative workflows Testing strategies (unit, integration, end-to-end) Experience with monitoring, logging, and observability tools Knowledge ...

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 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 ...

Backend Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
experience with relational databases and with other types of databases: PostgreSQL and Redis are an advantage Advanced knowledge and experience on modern web patterns: RESTful APIs, WebSocket, GraphQL are an advantage Experience with distributed version control systems: Git (GitHub and/or Bitbucket) Familiarity with cloud-oriented technologies: Docker ...

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 ...

Applications Developer

Hiring Organisation
Precise Placements
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
Applications Developer - Power Automate, AI Processing, SharePoint, Azure, .NET, C#, RESTFUL Our industry leading law firm client are currently looking to take on a new Applications Developer (Power Automate, AI Processing, SharePoint, Azure, .NET, C#, REST) to join their team on a permanent basis. This role will contribute ...

Senior DevSecOps Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
active/active and active/passive configurations. Design platform-level routing using BGP/BFD (FRR or equivalent). Design and implement RESTful APIs in Go and Python used in live systems. Key skills and experience In-depth commercial expertise in a production DevSecOps/DevOps/Platform role. ...

Dynamics 365 Lead Developer (Customer Engagement)

Hiring Organisation
Clarion Housing
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
team. With strong development skills across the relevant stack, including C#, JavaScript or TypeScript, plugins, Logic Apps, Power Automate, and integration with RESTful Web APIs, you'll work closely with the Dynamics Field Service Architect, turning designs into resilient, well-engineered solutions, lifting the technical practice of the Technical Consultants ...

AI Product Engineer, Deployed

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
into code. Strong knowledge of front‐end and back‐end technologies, microservices, and cloud platforms. Proficiency with modern web tooling such as React, TypeScript, RESTful APIs, and database management systems. Excellent problem‐solving and analytical skills, with a proactive approach to challenges. Ability to work collaboratively with cross‐functional teams ...