31 to 55 of 87 RESTful Jobs in London

DevOps Engineer

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
Java fundamentals including object-oriented programming, collections, exception handling and concurrency. Integration, API Development and Databases - Experience building and deploying event-driven and RESTful APIs, with foundational knowledge of SQL and relational database design Infrastructure and DevOps - Hands-on experience with Linux-based server environments, scripting (Bash/Python ...

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 ...

Technical Lead - Java

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£95,000
development experience with Java 17+ and Spring Boot Experience operating as a Technical Lead or Lead Engineer Strong background in microservices, distributed systems, and RESTful APIs Experience with Camunda or similar workflow orchestration platforms Proven delivery of AI-enabled solutions including LLM integrations, RAG, vector databases, or prompt engineering Strong ...

Senior Software Engineer

Hiring Organisation
Fruition Group
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
successful candidate will bring experience in: C# .NET Core/.NET 8 Microsoft Azure Azure App Services, Functions, and Azure SQL Building and consuming RESTful APIs Entity Framework Core CI/CD pipelines and DevOps practices Unit and Integration Testing Agile software development methodologies Desirable Skills Power Platform (Power Apps ...

Lead Full Stack Engineer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
experience in securities, financial services, or modern engineering-first organizations is a plus Strong proficiency in Java, Spring Boot, SQL, and the design of RESTful and streaming based APIs. Hands on experience delivering cloud native solutions, including microservices, containerization, and modern deployment patterns. Working knowledge of NoSQL and distributed data ...

Full-stack Lead Software Engineer - Application Owner

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
state management and testing with frameworks such as Jest or React Testing Library Advanced knowledge of backend development using Node.js and TypeScript to build RESTful APIs, along with strong experience writing and maintaining comprehensive unit, functional, and integration tests Demonstrated ability to communicate effectively with technical and non-technical stakeholders ...

Manager - Lead AI Engineer

Hiring Organisation
KPMG UK
Location
City of London, London, United Kingdom
Expertise: Proven experience in building and integrating APIs, with expertise in API documentation and schema definition using OpenAPI/Swagger. Strong understanding of RESTful API design, authentication/authorization standards, and API lifecycle best practices; familiarity with Microsoft Graph API is a plus. Experience & Knowledge Requirements Good knowledge of generative ...

Java Developer

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£499 - £500/day
want to hear from you! What You Will Do Develop & Innovate: Design, build, test, and maintain robust Java-based applications, backend services, and RESTful APIs. Collaborate: Work closely with Architects, Business Analysts, Product Owners, QA, and DevOps engineers throughout the software development lifecycle. Write Clean Code: Translate technical requirements into … Backend Engineer, or Full Stack Developer with strong Object-Oriented Programming (OOP) skills. Frameworks & Architecture: Deep hands-on experience with Spring Boot, Spring MVC, RESTful APIs , and Microservices . Database Mastery: Solid understanding of SQL and relational databases (MySQL, Oracle, or PostgreSQL). Version Control & Build Tools: Proficiency with ...

Senior Android Developer

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

Lead Fullstack Engineer (C#, .Net, Angular)

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 ...

Java + CloudNative

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£65000 - £70000/annum
event-driven architectures utilizing Apache Kafka and Apache Flink for real-time risk data streaming. API & Integration Engineering: Design, implement, and maintain high-performance RESTful APIs and gRPC services for seamless cross-system and frontend-backend communication. Cloud & DevOps Integration: Deploy, scale, and manage cloud-native applications on AWS (leveraging … Competencies Frontend Architecture: TypeScript, JavaScript (ES6+), Redux/Context API, HTML5, CSS3, REST/gRPC integration. Streaming & Messaging: Apache Kafka, Apache Flink. APIs & Protocols: RESTful web services, gRPC, JSON, Protocol Buffers. Core Computer Science: Strong mastery of data structures, algorithms, object-oriented design, and design patterns. DevOps & Tooling: CI/ ...

Full Stack Developer - DV Cleared

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £540/day
improvement. Key Responsibilities Design, develop and maintain secure full stack applications using Java, Spring Boot, React and TypeScript. Develop scalable backend services and secure RESTful APIs. Build intuitive, accessible and responsive frontend applications. Develop reusable frontend components aligned with established design system principles. Integrate frontend applications with backend APIs, workflow … National Security or similarly secure environments. Strong Java development experience. Strong Spring Boot experience. Strong React and TypeScript development experience. Experience designing and developing RESTful APIs. Experience with SQL and/or NoSQL databases. Experience building responsive, accessible and maintainable user interfaces. Experience with Git and modern software development practices. ...

Node Developer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
Salary
£65,000
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 ...

Lead Software Engineer / Technical Lead (Python & Django)

Hiring Organisation
NonStop Consulting
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £720/day
architecture and engineering best practices while remaining hands-on. What You'll Be Doing Develop secure, scalable applications using Python & Django Design and build RESTful APIs Contribute to system architecture and technical design Work within Agile, multidisciplinary delivery teams Write clean, well-tested code using TDD principles Support live services ...

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 ...

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 ...

Lead Python Engineer API LLM - Start-up

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
enjoy taking ownership and can build software from scratch and iterate quickly You have strong technical skills, primarily with Python You have experience with RESTful APIs (they use FastAPI); TypeScript, React and other web technologies such as HTML5, CSS3 would be of benefit You have experience with LLMs and agentic ...

AI Engineer

Hiring Organisation
Reed
Location
Central London, London, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £650 per day, Inc benefits
developing AI/ML solutions using third-party platforms and APIs. Systems thinking with experience in running production data or AI systems. Knowledge of RESTful APIs, cloud services, and architecture patterns. Ability to work from architectural documentation and manage incidents with strong documentation practices. Proven ability to work closely with ...

Java Engineer with AI

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
Salary
£80,000
challenges. Requirements Key Responsibilities Design, develop, and maintain high-performance Java-based applications Integrate AI/ML models into production-grade backend systems Build RESTful APIs and microservices using modern Java frameworks Collaborate with data scientists to deploy and scale machine learning solutions Optimise system performance, scalability, and security Implement … decisions and technical roadmaps Design, develop, and maintain high-performance Java-based applications Integrate AI/ML models into production-grade backend systems Build RESTful APIs and microservices using modern Java frameworks Collaborate with data scientists to deploy and scale machine learning solutions Optimise system performance, scalability, and security Implement ...

Senior Mobile iOS Developer

Hiring Organisation
Stott & May Professional Search Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
£90,000
Core frameworks. * Strong proficiency in Kotlin and Android SDKs, with a deep understanding of Jetpack libraries, Compose and modern Android architecture components. * 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 ...

Applications & Automation Developer

Hiring Organisation
Picture More Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 65,000 Annual
Online development experience - customisation, workflow or integration work SQL Server experience, including database design and query writing JavaScript, HTML5, CSS, and experience working with RESTful APIs (JSON/XML) Desirable Azure exposure (App Services, Functions, Azure SQL, Azure AI services) ITIL incident/problem/change management experience Office development ...

Applications and Automation Developer

Hiring Organisation
Picture More
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 per annum
Online development experience - customisation, workflow or integration work SQL Server experience, including database design and query writing JavaScript, HTML5, CSS, and experience working with RESTful APIs (JSON/XML) Desirable Azure exposure (App Services, Functions, Azure SQL, Azure AI services) ITIL incident/problem/change management experience Office development ...

Senior Customer Solutions Engineer, RCS Business Messaging

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
/external partners or customers. Preferred qualifications: Master's degree in Computer Science, Engineering, or a related technical field. Experience with Node.js, TypeScript, Python, RESTful APIs, OAuth2, JSON-based webhooks, and proficiency in Google Cloud Platform (GCP). Experience with conversational messaging (e.g. business messaging API or platforms) and familiarity ...

Applied AI Engineer, Markets Operations - Associate

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
Salary
£95,000
Master's degree in Computer Science, Software Engineering, a related field, or equivalent practical experience Demonstrate strong Python programming skills Design, develop, and integrate RESTful APIs, such as with FastAPI Build and support ETL and data pipeline engineering workflows Apply Infrastructure as Code practices, such as Terraform, and work within ...