31 to 55 of 103 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 ...

Java Software Engineer

Hiring Organisation
Amber Labs
Location
London Area, United Kingdom
development, cloud-native architectures, and modern DevOps practices. Key Responsibilities Develop and maintain Java-based backend applications using Spring Boot Design and implement secure RESTful APIs Build and support cloud-native applications hosted on AWS Develop SQL queries to support reporting, troubleshooting, and data analysis Collaborate with technical teams ...

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 ...

Software Engineer - Recurring Payin

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
develop, test, and maintain backend services written in Java and Kotlin using the Spring Boot framework, deployed on cloud infrastructure (AWS) Build and maintain RESTful APIs that serve millions of customers across web and mobile platforms Develop and optimise services powering the card pay‐in payment method ...

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 ...

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 ...

Senior Java Full Stack developer

Hiring Organisation
Robert Walters
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
application development within a commercial environment. Strong technical expertise in Angular, with the ability to build and maintain modern web applications. Exposure to Java, RESTful APIs and database technologies, with an understanding of application architecture and data structures. Knowledge of software development best practices, agile delivery methodologies and the full ...

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 ...

Scala Developer (Remote)

Hiring Organisation
Stealth iT Consulting
Location
East London, London, United Kingdom
functional teams to deliver enterprise‐grade solutions. Key responsibilities: Design, develop and maintain backend services and APIs using Scala and Play Framework . Implement RESTful endpoints, manage request/response lifecycle, and handle authentication/authorization flows. Write well-structured, idiomatic Scala and use functional programming patterns where appropriate. Build ...

Scala Developer (Remote)

Hiring Organisation
Stealth iT Consulting
Location
Central London / West End, London, United Kingdom
functional teams to deliver enterprise‐grade solutions. Key responsibilities: Design, develop and maintain backend services and APIs using Scala and Play Framework . Implement RESTful endpoints, manage request/response lifecycle, and handle authentication/authorization flows. Write well-structured, idiomatic Scala and use functional programming patterns where appropriate. Build ...

Scala Developer - Remote Contract

Hiring Organisation
Stealth iT Consulting
Location
East London, London, United Kingdom
remote contract role with an immediate start. Key Responsibilities Design, develop, and maintain backend services and APIs using Scala and Play Framework . Implement RESTful endpoints, manage request/response lifecycle, and handle authentication/authorization flows. Write clean, idiomatic Scala code and apply functional programming principles where appropriate. Develop ...

Scala Developer - Remote Contract

Hiring Organisation
Stealth iT Consulting
Location
Central London / West End, London, United Kingdom
remote contract role with an immediate start. Key Responsibilities Design, develop, and maintain backend services and APIs using Scala and Play Framework . Implement RESTful endpoints, manage request/response lifecycle, and handle authentication/authorization flows. Write clean, idiomatic Scala code and apply functional programming principles where appropriate. Develop ...

Front-End Developer (React and React Native)

Hiring Organisation
Foresters Financial
Location
Bromley, Kent, England, United Kingdom
Employment Type
Temporary
Salary
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 ...

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 ...

Integration Engineer

Hiring Organisation
Searchability NS&D
Location
City of London, London, United Kingdom
cloud-native APIs and microservices on AWS, working across complex distributed systems in highly regulated environments. What you’ll be doing: Designing and building RESTful APIs using AWS Lambda & API Gateway Developing microservices and integration solutions using Python Defining API standards, integration patterns, and service boundaries Building secure integrations using ...

Sr Python Developer – Trading / Risk Platforms

Hiring Organisation
Crisil
Location
London Area, United Kingdom
years) Strong SQL skills with ability to handle complex queries and large datasets Experience with Python libraries (Pandas, NumPy) for data processing Experience building RESTful APIs/services (Flask/FastAPI/Django) Strong understanding of data structures and performance optimization Experience working with large-scale data processing and performance ...