31 to 55 of 73 RESTful Jobs in London

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, Admiralty Arch, 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. ...

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 ...

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 ...

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 ...

Test Analyst

Hiring Organisation
Proactive Appointments
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£270 - £285 per day
Perform extensive API testing, validating requests, responses, data, authentication and error handling. Use tools such as Postman, Swagger/OpenAPI or similar to test RESTful APIs. Write and execute SQL queries to validate data, investigate defects and verify end-to-end data flows. Perform functional, integration, regression and exploratory testing. ...

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 ...

Power Platform and Integrations Manager (Hands-on Delivery)

Hiring Organisation
ClientEarth
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
essential) Proficient in Microsoft Power Platform components (Power Apps, Power Automate, Dataverse, Power BI) working experience (essential) Experience designing and building APIs, including RESTful services, with a strong understanding of authentication, versioning, and error handling. (essential) Experience with Dataverse data modelling and security roles (essential) Knowledge of JavaScript, HTML ...

Solutions Engineer

Hiring Organisation
Global-e
Location
City of London, London, United Kingdom
technical audiences · BA/BS/Master degree in Computer Science or another technical field · Firm understanding of systems integration concepts, API implementation (RESTful services) and relational databases (SQL) · Established problem-solving skills and troubleshooting abilities · Experience in close working interactions with distant teams · Ability to learn and work with ...

Digital Development Manager

Hiring Organisation
LB RICHMOND UPON THAMES & LB WANDSWORTH
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
HTML, CSS and JavaScript. Strong working knowledge of ASP.NET/.NET Core for web application development, with the ability to build, maintain and integrate RESTful APIs A good understanding of CMS platforms, web architecture, APIs, hosting, version control, deployment pipelines and cloud environments. Strong understanding of accessibility standards, including WCAG ...

Technical Solutions Engineer

Hiring Organisation
Run-Time Group Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£80,000
customers and partners About You Experience in Solutions Engineering, Presales, Solution Consulting or Technical Consulting within a SaaS environment Strong knowledge of APIs, RESTful services and systems integration SQL and database knowledge Excellent communication and presentation skills Ability to engage with both technical and business audiences Strong organisational and project ...

Full Stack Developer

Hiring Organisation
Devonshire Hayes Recruitment Specialists Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £55,000 per annum
Nextjs, React and TypeScript. Build complex, data-driven interfaces using Web Components and AG Grid. Implement real-time communication using WebSockets or SignalR. Develop RESTful APIs and microservices using C#, doNET 8 and Python. Build distributed systems using RabbitMQ and Redis. Work with SQL Server, AWS RDS and MongoDB. Maintain … TypeScript, Web Components and AG Grid. Front-end trading application development. Real-time sales and trader workflows. WebSockets or SignalR. C#, dotNET 8, Python, RESTful APIs and microservices. RabbitMQ and Redis. SQL Server or AWS RDS, plus MongoDB or another NoSQL database. Azure DevOps, GitHub and CI/CD pipelines. ...

Engineering Manager

Hiring Organisation
Leo Technology
Location
London, United Kingdom
Employment Type
Permanent
traditional Engineering Manager role where you'll step away from the technology. You'll continue designing and building web applications and RESTful APIs alongside the team, while also taking ownership of engineering standards, architecture, technical debt and continuous improvement. You'll work closely with the hiring manager on system architecture … engineering culture Mentor Engineers and support their technical and professional growth Hands-On Development Remain hands-on with the development of web applications and RESTful APIs Design and build solutions alongside the engineering team Conduct code reviews and maintain high coding standards Lead by example when it comes to engineering ...

Full Stack Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£65000 - £70000/annum
Build performant frontend and backend systems using Java, Kotlin, ReactJS, and modern state management tools (Redux/Context API). API & Event Integration: Design RESTful APIs, gRPC services, and event-driven architectures leveraging Kafka and Flink for real-time data processing. Cloud & DevOps: Deploy and maintain cloud-native applications … Apply investment banking and risk management knowledge to translate business requirements into technical solutions. Technical Requirements Backend: Core Java, Kotlin, Multithreading, Algorithms, Data Structures, RESTful APIs, gRPC Frontend: ReactJS, JavaScript, TypeScript, Redux/Context API, HTML5, CSS3 Cloud & Streaming: AWS (Lambda), Kubernetes, Kafka, Flink Process & Security: CI/CD, Agile ...

Java + CloudNative

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£65000 - £70000/annum
Build performant frontend and backend systems using Java, Kotlin, ReactJS, and modern state management tools (Redux/Context API). API & Event Integration: Design RESTful APIs, gRPC services, and event-driven architectures leveraging Kafka and Flink for real-time data processing. Cloud & DevOps: Deploy and maintain cloud-native applications … Apply investment banking and risk management knowledge to translate business requirements into technical solutions. Technical Requirements Backend: Core Java, Kotlin, Multithreading, Algorithms, Data Structures, RESTful APIs, gRPC Frontend: ReactJS, JavaScript, TypeScript, Redux/Context API, HTML5, CSS3 Cloud & Streaming: AWS (Lambda), Kubernetes, Kafka, Flink Process & Security: CI/CD, Agile ...