31 to 55 of 81 RESTful Jobs in London

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 ...

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
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
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 ...

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 ...

Back End Developer - DV Cleared

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £540/day
that integrate with existing Defence platforms while following modern engineering and DevSecOps practices. Key Responsibilities Design, develop and maintain Java-based microservices. Build secure RESTful APIs supporting workflow, metadata, document management and integration services. Develop workflow integrations using orchestration technologies where required. Integrate with enterprise data sources, identity services … development experience within MOD, Defence, National Security or similarly secure environments. Strong commercial Java development experience. Expertise with Spring Boot. Experience designing and developing RESTful APIs. Strong SQL and NoSQL database experience. Experience with Docker, Kubernetes or other container technologies. Familiarity with CI/CD pipelines and DevSecOps practices. Experience ...

Senior AI Engineer - Perm - London

Hiring Organisation
INFUSED SOLUTIONS LIMITED
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
cloud-native backend systems and scalable microservices. Partner closely with Data Scientists to productionise Machine Learning, NLP and Generative AI models. Build and optimise RESTful APIs for AI model serving. Monitor system reliability, model performance and observability across production environments. Drive best practices across CI/CD, automated testing, Infrastructure … Expert-level Python development skills. Commercial experience with Machine Learning, NLP or AI platforms. Experience productionising machine learning models at scale. Strong experience designing RESTful APIs and microservices using frameworks such as FastAPI, Flask or Django. Experience working with SQL and relational databases, including performance optimisation. Experience designing cloud-native ...

Senior AI Engineer - Perm UK

Hiring Organisation
INFUSED SOLUTIONS LIMITED
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
Architect cloud-native backend systems and distributed AI services. Collaborate closely with Data Scientists to productionise Machine Learning and NLP models. Develop high-performance RESTful APIs and microservices for AI model serving. Drive system reliability, monitoring, observability and performance optimisation. Champion engineering best practices including CI/CD, automated testing … Backend Engineering or Data Engineering. Expert-level Python development experience. Experience productionising Machine Learning, NLP or Generative AI models. Strong experience designing and building RESTful APIs and microservices using frameworks such as FastAPI , Flask or Django . Strong SQL skills with experience designing performant relational database solutions. Commercial experience with ...

Junior Golang Developer

Hiring Organisation
INTEC SELECT LIMITED
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum
maintain backend services and APIs using Go Work closely with senior engineers and product teams to translate requirements into working features Build and maintain RESTful and/or GraphQL APIs, databases, and backend services Support the ongoing performance, scalability, and security of backend systems Work with AWS cloud infrastructure ...

Junior Golang Developer

Hiring Organisation
IntecSelect
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 - 80,000 Annual
Back End services and APIs using Go Work closely with senior engineers and product teams to translate requirements into working features Build and maintain RESTful and/or GraphQL APIs, databases, and Back End services Support the ongoing performance, scalability, and security of Back End systems Work with AWS cloud ...

AI Engineer

Hiring Organisation
HCLTech
Location
London Area, United Kingdom
quality and performance standards Build and implement LLM-based solutions, including RAG pipelines and agentic workflows for real-world use cases Develop and integrate RESTful APIs for seamless communication between systems and services Work across the full SDLC pipeline (design, development, testing, CI/CD, deployment, and maintenance) Collaborate with ...

C++ Software Engineer

Hiring Organisation
Hunter Bond
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 400,000 Annual
from design and implementation through to deployment. Requirements Strong commercial experience developing software in C++, with some exposure to Python. Experience building or integrating RESTful APIs within microservice-based architectures. A background working on large-scale, high-performance, or distributed systems. Experience within financial services is advantageous but not essential. ...

Senior Solutions Engineer

Hiring Organisation
Run-Time Group Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£80,000
SaaS environment Proven experience working directly with customers in a client-facing technical capacity Strong understanding of systems integration concepts and API implementations, particularly RESTful APIs Experience working with SQL and relational databases Excellent communication, presentation and stakeholder management skills Ability to explain complex technical concepts to both technical ...