31 to 55 of 124 RESTful Jobs in London

Java Technical Lead - London, Wembley

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Permanent
Salary
£75000 - £80000/annum + Benefits
YAML workflows - not as a DevOps engineer, but as a developer who understands the pipeline their code flows through. API Mastery: Deep expertise in RESTful API design principles, OAuth2 authentication flows (including FusionAuth integration), and DMARC-compliant transactional email logic via SendGrid. Duties Engineering Standards: Define and enforce the clients ...

Lead Modernization Engineer Java / Node.js - London, Wembley

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Permanent
Salary
£75000 - £80000/annum + Benefits
YAML workflows - not as a DevOps engineer, but as a developer who understands the pipeline their code flows through. API Mastery: Deep expertise in RESTful API design principles, OAuth2 authentication flows (including FusionAuth integration), and DMARC-compliant transactional email logic via SendGrid. Duties Engineering Standards: Define and enforce the clients ...

Senior Full Stack Developer - 2 days a week in London - £60-80k

Hiring Organisation
Oliver Bernard
Location
City of London, London, United Kingdom
secure web applications Build backend services using Python (e.g. FastAPI, Flask, or Django) Develop modern frontend applications using React and TypeScript Design and maintain RESTful APIs 5+ years’ experience as a full-stack developer AI & Modern Development Practices (Required) Experience using AI coding tools or assistants ...

Full Stack Software Engineer

Hiring Organisation
Brio Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 450 Daily
applications using Next.js and TypeScript Develop and maintain cloud-native solutions on AWS, following well-architected and security best practices Design, build, and consume RESTful APIs, ensuring performance, reliability, and security standards are met Write and maintain automated end-to-end test suites using Playwright as part of the development ...

Full Stack Software Engineer

Hiring Organisation
Brio Digital
Location
London, Baker Street, United Kingdom
Employment Type
Contract
Contract Rate
£450/day
applications using Next.js and TypeScript Develop and maintain cloud-native solutions on AWS, following well-architected and security best practices Design, build, and consume RESTful APIs, ensuring performance, reliability, and security standards are met Write and maintain automated end-to-end test suites using Playwright as part of the development ...

Python Developer

Hiring Organisation
Prolo
Location
City of London, London, United Kingdom
engineering experience Strong proficiency in Python (3.10+) with deep understanding of async programming Experience with Poetry or similar Python dependency management tools Experience building RESTful APIs and micro-services Solid understanding of database design and optimisation (both SQL and NoSQL) Experience with graph databases (Neo4j preferred) or willingness to learn ...

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

Hiring Organisation
Transreport
Location
City of London, London, 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 Software Engineer

Hiring Organisation
BBC
Location
Greater London, United Kingdom
Employment Type
Full Time
Salary
63000 to 73000 GBP Annually
cloud infrastructure and services. Including experience with AWS; CDK, CloudFormation, Lambda, EC2, Kinesis, WAF, ALB. An understanding of HTTP and experience with RESTful APIs. Experience communicating complex technical ideas in formal and informal settings to team members with a range of technical understanding. Working knowledge of Customer Identity and Authentication ...

Junior Java Developer

Hiring Organisation
Information Tech Consultants
Location
City of London, London, United Kingdom
cross-functional teams to build high-performance enterprise applications. Key Responsibilities Develop and maintain backend applications using Java and Spring Boot. Design and implement RESTful APIs and microservices. Integrate applications with databases and third-party services. Write clean, efficient, and reusable code/coding practices. Required Skills : Strong knowledge ...

Full Stack Engineer

Hiring Organisation
Information Tech Consultants
Location
London Area, United Kingdom
cross-functional teams to build high-performance enterprise applications. Key Responsibilities Develop and maintain backend applications using Java and Spring Boot. Design and implement RESTful APIs and microservices. Integrate applications with databases and third-party services. Write clean, efficient, and reusable code/coding practices. Required Skills Strong knowledge ...

Java Software Engineer

Hiring Organisation
Information Tech Consultants
Location
City of London, London, United Kingdom
cross-functional teams to build high-performance enterprise applications. Key Responsibilities Develop and maintain backend applications using Java and Spring Boot. Design and implement RESTful APIs and microservices. Integrate applications with databases and third-party services. Write clean, efficient, and reusable code/coding practices. Required Skills Strong knowledge ...

Contract Software Tester

Hiring Organisation
Spectrum IT Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£325 - £350/day
Produce clear and concise test evidence and reporting Communicate status updates and risks to technical and delivery stakeholders Essential Skills: Strong experience in automated RESTful API testing Hands-on experience configuring CI/CD pipelines (e.g. Jenkins) Strong understanding of coding practices and software engineering principles Excellent communication skills with ...

Contract Software Tester

Hiring Organisation
Spectrum IT Recruitment
Location
London, UK
Employment Type
Full-time
Produce clear and concise test evidence and reporting Communicate status updates and risks to technical and delivery stakeholders Essential Skills: Strong experience in automated RESTful API testing Hands-on experience configuring CI/CD pipelines (e.g. Jenkins) Strong understanding of coding practices and software engineering principles Excellent communication skills with ...

Application Engineer III - Java

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Permanent
Salary
£52000 - £89000/annum £52,000 - £89,000
business demands and priorities. What it takes: Experience in Test Driven Development and strong knowledge of Java (17 or higher), Spring Boot, Spring MVC, RESTFul API implementation, GraphQL, and open-source frameworks Experience in software development using cloud technologies (AWS preferred) Knowledge of build/deployment/testing/logging ...

Senior Back End Engineer

Hiring Organisation
W Talent
Location
London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £120000/annum
influence product direction and user experience. Key Responsibilities Design and implement backend services and APIs using Python, FastAPI, and Django Build and maintain scalable RESTful APIs with PostgreSQL Develop and integrate AI/LLM-powered features using frameworks such as LangChain Implement and manage payment systems, including Stripe integrations ...

Sr AI Solutions Consultant

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
business automation Platform knowledge with strong technical knowledge of the TotalAgility platform or similar intelligent automation platforms Integration experience with expertise in using APIs, RESTful web services, and Tungsten Automation's SDK to integrate and customize solutions Cloud deployment experience with cloud architecture and deployments, including designing scalable and secure ...

Senior Fullstack Software Engineer

Hiring Organisation
Outsmart Insight
Location
London Area, United Kingdom
them into robust, production-ready solutions. What you’ll be doing Designing and maintaining backend services primarily in Python Developing and evolving well-structured RESTful APIs Designing and improving data models across relational (e.g. PostgreSQL) and NoSQL databases Working across the stack where needed, including JavaScript, modern HTML/ ...

Python Developer

Hiring Organisation
Vallum Associates
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £525/day
Responsibilities Develop, test, and maintain high-performance backend applications using Python Design and build RESTful APIs using FastAPI Automate deployment, configuration, and infrastructure management using Ansible Collaborate with DevOps teams to implement and maintain CI/CD pipelines Manage cloud-based infrastructure and containerized applications (Docker/Kubernetes) Write clean ...

Booking and Messaging Java Developer

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £625/day
features a modern microservices architecture , reactive programming, and a fully automated CI pipeline with weekly releases. Technical Profile Java Expert: Java 8+, Multithreading, and RESTful Webservices. Messaging Pro: Deep knowledge of Pub-Sub and brokers like 60East AMPS , Kafka, or RabbitMQ. Reactive & Agile: Experience with Functional Reactive Programming (RxJava/ ...

Java 8 Software Engineer | £500 – £550 | Inside IR35 | 6 Months | Hybrid Remote

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £550 per day
Java 8 or similar legacy Java frameworks Solid skills in SQL, Spring Boot, and Hibernate development practices Proven ability to build microservices and reliable RESTful APIs Hands-on experience applying TDD and BDD testing approaches Good understanding of clean coding principles, SOLID, and cloud technologies Previous experience in Finance/ ...

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 ...

AI-Pilled BackEnd Developers and... err, cats.

Hiring Organisation
Mongoose Gray
Location
London Area, United Kingdom
Server databases. The Back-End Developer will write efficient stored procedures, views and complex queries. The Back-End Developer will develop and maintain RESTful APIs. The Back-End Developer will ensure applications are performant, secure and resilient. The Back-End Developer will deploy and manage services within AWS environments. ...

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 ...

Scala Developer (Remote)

Hiring Organisation
Stealth iT Consulting
Location
City of 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
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 ...