51 to 75 of 345 RESTful Jobs in the UK

Senior Backend Developer

Hiring Organisation
The Portfolio Group
Location
Manchester, United Kingdom
Employment Type
Permanent
Salary
£65000 - £80000/annum
implement scalable backend systems using C# (.NET 5+ preferred) Write clean, maintainable, and testable code using TDD/BDD principles Create and maintain RESTful and GraphQL APIs Collaborate with POs, BAs, and stakeholders to define solutions Mentor junior developers and promote best practices Drive improvements in development processes and tools ...

Graduate Engineer

Hiring Organisation
Tata Consultancy Services
Location
Derby, England, United Kingdom
Models (LLMs) for tasks such as text generation, summarisation, and semantic analysis. Contribute to Generative AI (GenAI) use cases and experimentation. Implement and integrate RESTful APIs to deploy AI models into production environments. Collaborate with senior engineers and data scientists to improve model performance and reliability. Participate in code reviews ...

Java Developer

Hiring Organisation
Leo Recruitment Limited
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£45,000
HTML, CSS) Experience with relational databases and data formats such as JSON/XML Understanding of MVC frameworks (ideally JSF) Experience building SOAP and RESTful web services Familiarity with tools such as Wildfly, Maven, Docker and Git Frontend experience with TypeScript and frameworks such as Angular or React Experience with ...

Senior Java Developer (Low-Latency Payments Systems)

Hiring Organisation
RE Partners
Location
City of London, London, United Kingdom
hear from you. Key Responsibilities : Design, develop, and optimize low-latency, high-throughput backend systems using Core Java and SpringBoot. Build and maintain RESTful APIs and microservices that power secure payment workflows. Work with XML-based messaging standards and protocols commonly used in financial transactions. Deploy, monitor, and scale applications ...

Software Engineer (GenAI)

Hiring Organisation
AJ Bell
Location
Salford, Lancashire, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
libraries and toolchains Familiarity with large language models (LLMs) like GPT, Gemini, and open-source models such as Lama and MRR Solid understanding of RESTful API design and implementation Git based source control and JIRA Bonus points for: Knowledge/experience working with Cloud, preferably AWS Knowledge of AI/ ...

UX/UI Developer

Hiring Organisation
Metro
Location
Birmingham, England, United Kingdom
above) Experience using UI component libraries such as DevExpress/DevExtreme Understanding of the full software development lifecycle in Agile environments Experience consuming RESTful APIs and working with OpenAPI/Swagger Knowledge of browser compatibility, performance optimisation, and accessibility standards Experience with Git-based source control and CI/ ...

Senior Backend Engineer

Hiring Organisation
MarkIT Placements
Location
Didcot, Oxfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
Backend Architecture & APIs (Primary Focus) Design and evolve scalable backend services in Python using FastAPI for high-availability, high-throughput workloads. Build well-versioned RESTful APIs aligned to OpenAPI/Swagger, with strong conventions for consistency, idempotency, and backward compatibility. Implement authentication and authorization using OAuth2/OIDC, session management ...

Software Engineer (Applied AI)

Hiring Organisation
Euphoric
Location
United Kingdom
understanding of both scale and quality from larger tech organisations. Hands-On Full Stack Skills: Proficiency in React/Typescript and/or Python (RESTful APIs, data pipelines), plus comfort with deploying and maintaining services on modern cloud platforms (GCP preferred, AWS or Azure also fine). Applied AI/ ...

SC Java Developer

Hiring Organisation
Sanderson Government & Defence
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 40,000 - 60,000 Annual
contribute to API development, containerised applications, and cross-functional engineering initiatives. Must-Have Skills Strong commercial experience with Java Hands-on expertise with RESTful APIs Proficiency in Spring Boot Experience working with Docker Solid understanding of Java interfaces and object-oriented design Must be eligible for SC Clearance Nice ...

SC Java Developer

Hiring Organisation
Sanderson Government and Defence
Location
South East London, London, United Kingdom
Employment Type
Permanent
Salary
£60,000
contribute to API development, containerised applications, and cross-functional engineering initiatives. Must-Have Skills Strong commercial experience with Java Hands-on expertise with RESTful APIs Proficiency in Spring Boot Experience working with Docker Solid understanding of Java interfaces and object-oriented design Must be eligible for SC Clearance Nice ...

Full Stack Software Engineer

Hiring Organisation
Effective Recruitment Solutions Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600/day
Node.js and TypeScript Develop modern user interfaces using React and Next.js Design and maintain relational and document databases (PostgreSQL, MongoDB) Build secure and performant RESTful APIs Implement scalable backend services and microservices Optimise application performance and system reliability Implement automated tests using Jest, Cypress, and TDD practices Collaborate with product ...

Lead Software Engineer

Hiring Organisation
Daniel James Resourcing Ltd
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
Microsoft-focused stack , including: C#/.NET (latest versions) Azure (cloud-native services, managed infrastructure) SQL & data-driven architectures Event-driven and distributed systems RESTful APIs and microservices CI/CD pipelines (GitHub Actions or similar) React/TypeScript (desirable, not essential) What Were Looking For Proven experience ...

Tech Lead (.NET)

Hiring Organisation
djr
Location
Manchester Area, United Kingdom
working in a modern, cloud-native engineering environment , including: C#/.NET (latest versions) Azure (PaaS, cloud-native services) Microservices & event-driven architecture RESTful APIs and distributed systems SQL and data-intensive systems CI/CD pipelines (e.g. GitHub Actions) React/TypeScript (desirable) What We’re Looking For Experience ...

Senior Software Engineer

Hiring Organisation
Tec Partners
Location
Braintree, Essex, Rayne, United Kingdom
Employment Type
Permanent
with SQL and relational database design Proven experience working with cloud infrastructure Experience with containerisation technologies such as Docker (ECS desirable) Strong understanding of RESTful API design Experience working with Django and React Demonstrated ability to design scalable, maintainable systems Strong problem-solving skills with a hands-on engineering mindset ...

Senior Applied AI Engineer (.NET)

Hiring Organisation
Adria Solutions
Location
Warrington, Cheshire, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
engineers adopting tools such as Claude Code or Cursor Build systems with strong observability, logging, and guardrails Contribute to clean, well-structured, and versioned RESTful APIs Collaborate closely with product and engineering teams to deliver user-facing AI capabilities Must Have 7+ years of commercial software engineering experience 5+ years ...

Graduate C# Software Engineer

Hiring Organisation
RedTech Recruitment Ltd
Location
Leicester, Leicestershire, East Midlands, United Kingdom
Employment Type
Permanent
Salary
£26,000
knowledge Good knowledge in AT LEAST 2 of the following: Cyber Security, Databases, Agile or Testing Knowledge of developing C#.NET web services, SOAP or RESTful Experience or exposure to additional languages such as C++, Java, JavaScript or React is beneficial Familiarity with Agile environments and tools such as Jira ...

Workflow Developer

Hiring Organisation
Shaw Daniels Solutions
Location
City of London, London, United Kingdom
development. Understanding of ITIL principles (incident, change, problem). Exposure to DevOps, CI/CD, or structured testing and release methodologies. Knowledge of APIs, RESTful services, and authentication methods. ...

Staff Engineer

Hiring Organisation
Tata Consultancy Services
Location
London Area, United Kingdom
across Java, microservices, performance engineering, and distributed systems. Backend Engineering Build and optimize backend services using Java (Java 17+), Spring Boot/Micronaut Design RESTful APIs, asynchronous messaging systems, and microservices. Own performance, reliability, monitoring, and observability for critical services. Ensure high engineering standards: code quality, design reviews, testing ...

Server-Side Java/AWS engineer

Hiring Organisation
Harvey Nash
Location
London, United Kingdom
Employment Type
Permanent
Salary
£80,000
critical systems that support transaction reporting across EMEA/APAC. What you'll do: Build scalable microservices using Java (Spring Boot) on AWS Develop RESTful APIs and cloud-native solutions Work on regulatory reporting platforms with real business impact Collaborate closely with product and business teams Tech stack: Java (17+ ...

Software Engineer (2-3 years .NET) JBLE1 NI

Hiring Organisation
Ocho
Location
Belfast, UK
Bring 3-4 years' experience building software with C#/.NET Solid understanding of object-oriented programming and core design principles Experience building RESTful APIs and backend services Good working knowledge of SQL databases Experience using Git in a team-based environment Exposure to cloud platforms such as Azure ...

Mid-Level .NET / Full Stack Developer – Hybrid – £450/day Outside IR35 | C# | Azure | Event-Driven Systems | Payments | API-Driven

Hiring Organisation
VirtueTech Recruitment Group
Location
City of London, London, United Kingdom
month contract Responsibilities Build and maintain .NET services powering a global payments platform Contribute to event-driven microservices running in Azure Develop and maintain RESTful APIs used by internal systems and external partners Collaborate with senior engineers on system design and implementation Write clean, maintainable, and well-tested code Participate ...

Technical Lead Engineer (Full Stack – Java / Vue.js)

Hiring Organisation
Adria Solutions Ltd
Location
Manchester, United Kingdom
Employment Type
Permanent
Salary
£90000 - £110000/annum
frontend development, paired with strong backend experience in Java and the Spring Boot ecosystem (including Data, Security, and MVC). A solid understanding of RESTful API design, SQL/database design, CI/CD pipelines, and AWS is essential. What we’re looking for We’re looking for someone with ...

Back End Developer

Hiring Organisation
TGS International Group
Location
Reading, England, United Kingdom
systems that are scalable, efficient, and reliable Turn product and technical requirements into well-structured backend solutions Design & Deliver APIs Build clean, well-documented RESTful APIs Ensure APIs are performant and easy to integrate with other services Maintain consistency across services and interfaces Own Quality & Architecture Contribute to system design ...

Back End Developer - Data Centres

Hiring Organisation
TGS International Group
Location
Edinburgh, Scotland, United Kingdom
systems that are scalable, efficient, and reliable Turn product and technical requirements into well-structured backend solutions Design & Deliver APIs Build clean, well-documented RESTful APIs Ensure APIs are performant and easy to integrate with other services Maintain consistency across services and interfaces Own Quality & Architecture Contribute to system design ...

Senior Software Developer

Hiring Organisation
KO2 Embedded Recruitment Solutions LTD
Location
Burnley, Lancashire, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
maintain backend services for IoT platforms Build and optimise real-time data ingestion pipelines handling high-volume telemetry and events Develop secure, scalable RESTful and/or GraphQL APIs Architect cloud-native solutions using AWS services (IoT Core, Lambda, DynamoDB, API Gateway, etc.) Implement observability, reliability, and cost optimisation across ...