1 to 25 of 64 Swagger Jobs in the UK

Senior C# .Net Developer

Hiring Organisation
ARM
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500/day Umbrella Inside IR35
.NET Core/.NET 8 | ASP.NET Core | REST APIs | SQL Server | Entity Framework | Azure | Azure DevOps | Git | Docker | Kubernetes | Kafka | Redis | JSON/XML | Swagger/OpenAPI Disclaimer: This vacancy is being advertised by either Advanced Resource Managers Limited, Advanced Resource Managers IT Limited or Advanced Resource Managers Engineering ...

Senior C# .Net Developer

Hiring Organisation
Advanced Resource Managers Limited
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£500.00 per day
.NET Core/.NET 8 | ASP.NET Core | REST APIs | SQL Server | Entity Framework | Azure | Azure DevOps | Git | Docker | Kubernetes | Kafka | Redis | JSON/XML | Swagger/OpenAPI Disclaimer: This vacancy is being advertised by either Advanced Resource Managers Limited, Advanced Resource Managers IT Limited or Advanced Resource Managers Engineering ...

Full Stack Java Engineer

Hiring Organisation
Miratech Group
Location
United Kingdom, UK
Employment Type
Full-time
React, TypeScript, reusable components, responsive layouts, and accessible interaction patterns. Develop and consume REST APIs using an API-first approach; maintain clear OpenAPI/Swagger contracts and error handling. Contribute to the design of modular, maintainable solutions using microservices and appropriate object-oriented and event-driven design patterns. ...

Snr Java Developer (API Development)

Hiring Organisation
TXP
Location
Telford, Shropshire, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £551/day Inside IR35
Version control and automated build and deployment pipelines. Desirable Skills JPA/Hibernate Kibana Maven/Gradle Mockito AWS GitLab Helm OpenAPI/Swagger SQL Shell scripting AI-Assisted Development The programme is actively embracing modern AI-assisted development practices. Candidates should be comfortable using approved AI tools ...

Mid-Level Java Developer

Hiring Organisation
Halliburton
Location
Abingdon, Oxfordshire, UK
Employment Type
Full-time
microservice architecture) Experience with Java and related frameworks (SpringBoot, Eclipse RCP, OData, Hibernate, JPA, REST, etc.) Backend development including REST APIs with Spring Boot, Swagger/OpenAPI specifications, Spring Security, OAuth2/OIDC, JWT. Git-based workflows and Gitlab CI/CD pipelines. Experience working in an Agile development ...

Senior AI & Integration Engineer – C# / .NET / Azure

Hiring Organisation
Adria Solutions Ltd
Location
Manchester, United Kingdom
Employment Type
Permanent
Salary
£70000 - £75000/annum
C# and modern .NET development, including ASP.NET Core Web APIs and backend services. Azure development, including Azure Functions. REST APIs, HTTP, JSON, OpenAPI/Swagger and webhooks. Integration patterns covering authentication, pagination, rate limits, retries and exception handling. Microsoft Entra ID, OAuth 2.0, application permissions and secure secrets management. ...

Test Engineer - SC Cleared

Hiring Organisation
Gazelle Global Consulting Ltd
Location
London, United Kingdom
Employment Type
Contract
Assured, Playwright, Cucumber BDD - Building automation frameworks from scratch - UI and API automation best practice - REST API testing, JSON/XML validation, Postman, Insomnia, Swagger - Full testing lifecycle, from design to production validation - Accessibility testing (WAVE, AXE, VoiceOver) and WCAG compliance - CI/CD integration, Git/GitLab ...

Java Tech Lead

Hiring Organisation
TXP
Location
Telford, Shropshire, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600/day
into technical designs, managing technical dependencies and supporting delivery planning. Desirable Skills AWS JPA/Hibernate Maven/Gradle Mockito GitLab Helm OpenAPI/Swagger SQL Kibana Observability and performance monitoring Event-driven architecture/messaging Shell scripting AI-Assisted Development & Leadership Willingness to actively embrace and promote ...

Senior C# .Net Developer

Hiring Organisation
Advanced Resource Managers (A.R.M.)
Location
London, UK
Employment Type
Full-time
.NET Core/.NET 8 | ASP.NET Core | REST APIs | SQL Server | Entity Framework | Azure | Azure DevOps | Git | Docker | Kubernetes | Kafka | Redis | JSON/XML | Swagger/OpenAPIDisclaimerThis vacancy is being advertised by either Advanced Resource Managers Limited, Advanced Resource Managers IT Limited or Advanced Resource Managers Engineering Limited ...

QE AI Lead Engineer

Hiring Organisation
NTT DATA
Location
London, UK
Employment Type
Full-time
clients and in-house Mentoring - non-AI SDETs Innovation - art of the possible Experienced in Junit, Jest, PyTest, NUnit, Appium, WDIO, Selenium, Cypress, BrowserStack, Swagger, WireMock, Postman et al Development frameworks: Spring, Angular, .NET, Node et al CI/CD: Jenkins, GitLab CI/CD, Docker/AWS, Azure ...

Senior Software Engineer

Hiring Organisation
ARC IT Recruitment
Location
Brighton, Sussex, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 Annual
indexing and execution plans High-traffic E-commerce or transactional systems Cloud experience, ideally AWS Strong RESTful API design: versioning, idempotency, caching, OpenAPI/Swagger Production ownership: monitoring and profiling .NET apps (eg Datadog, New Relic, CloudWatch) Daily use of AI coding tools (Claude Code, Copilot, Cursor), with ...

Principal Software Engineer

Hiring Organisation
Hackajob Ltd
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
within your team Required experience Core Software Engineering such as: JavaScript frameworks (React, NextJS), TypeScript, Python or Java REST API development/OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Relational Databases (e.g. PostgreSQL) Elasticsearch/Opensearch Unit testing ...

Infrastructure Developer

Hiring Organisation
SQUAREPOINT CAPITAL
Location
London, UK
Employment Type
Full-time
from legacy sources of truth. API design expertise: Deep experience designing RESTful APIs, including resource modeling, versioning strategies, pagination, error handling, and OpenAPI/Swagger documentation. Schema and data modeling: proven experience designing relational database schemas for complex, evolving domains — including normalization, indexing, and schema migration strategies. Infrastructure domain ...

Senior Solutions Engineer

Location
London, United Kingdom
driven architecture (EDA), and microservices architecture. Familiarity with Java (Spring), Kubernetes, AWS, and service mesh architectures and technologies such as RESTful APIs, API design, Swagger, OpenAPI, and OAuth2. Familiarity and working experience with relational databases (e.g.MySQL, PostgreSQL) and non-relational databases (e.g., MongoDB, Cassandra). 6+ years in customer ...

Senior Solutions Engineer

Location
Westminster, West End, United Kingdom
driven architecture (EDA), and microservices architecture. Familiarity with Java (Spring), Kubernetes, AWS, and service mesh architectures and technologies such as RESTful APIs, API design, Swagger, OpenAPI, and OAuth2. Familiarity and working experience with relational databases (e.g.MySQL, PostgreSQL) and non-relational databases (e.g., MongoDB, Cassandra). 6+ years in customer ...

Senior Solutions Engineer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
event-driven architecture (EDA), and microservices architecture. Familiarity withJava (Spring), Kubernetes, AWS, and service mesh architectures and technologies such as RESTful APIs, API design, Swagger, OpenAPI, and OAuth2. Familiarity and working experience with relational databases (e.g.MySQL, PostgreSQL) and non-relational databases (e.g., MongoDB, Cassandra). 6+ years in customer ...

Automation Test Engineer

Hiring Organisation
ISR RECRUITMENT LIMITED
Location
Nationwide, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £425/day (Outside IR35)
Playwright, Cypress and/or Python. Experience testing REST APIs, JSON/XML payloads and system integrations. Familiarity with Postman, Bruno, REST Assured and Swagger/OpenAPI. Experience using Jira and Xray for test management and defect tracking. Strong Agile testing skills, analytical ability and effective communication with developers ...

Senior Software Developer - Wise Platform

Hiring Organisation
Wise
Location
London, UK
Employment Type
Full-time
microservices patterns. You think in terms of domain boundaries, aggregates, and service responsibilities. Experience designing and maintaining RESTful APIs commercially. Comfort with OpenAPI/Swagger, OAuth2, and versioning strategies. Ability to design and maintain relational databases (MySQL, PostgreSQL), including query performance, indexing, and data modelling. You enjoy mapping complex ...

AI engineer with Agentic experience

Hiring Organisation
Luxoft
Location
London, UK
Employment Type
Full-time
experience with Python with a track record of clean, maintainable, testable production code. Production API design & delivery (FastAPI preferred), including versioning, documentation (OpenAPI/Swagger), and observability. Cloud experience (AWS preferred) beyond core compute/storage/DB—e.g., eventing, queues, serverless, logging/monitoring, secrets. Git workflows ...

React Front End Developer

Hiring Organisation
Colossus Recruitment Ltd
Location
Solihull, Bickenhill, West Midlands (County), United Kingdom
Employment Type
Permanent
Salary
£50000 - £60000/annum
services Experience working with SQL databases Knowledge of CI/CD pipelines and automated testing practices Experience using API testing tools such as: Postman Swagger Similar API validation platforms Familiarity with Agile methodologies including Scrum and Kanban Good understanding of UX/UI principles and best practices Ability ...

Lead Software Engineer (Node)

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £525 per day + Inside IR-35
Lead Software Developer £525/day Inside IR35 | Remote | Active SC Clearance Required Contract until 31st March 2027 + likely extension We're looking for an experienced Lead Software Developer to join a high-profile ...

Senior Java Developer

Hiring Organisation
Intelligent Steps
Location
London, United Kingdom
Employment Type
Permanent
Salary
£85000 - £95000/annum 10% Bonus
The role We are looking for a Senior Java Developer to help design and deliver a platform built around Java microservices. You will take ownership of backend services, contribute to architecture decisions and work closely ...

Test Manager/Data & Integration Test Lead

Hiring Organisation
Reed
Location
London, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Experience: Data Science or Advanced Analytics background. Experience with Python, R, SQL, Power BI, or similar analytical tools. Knowledge of REST APIs, JSON, Postman, Swagger/OpenAPI. Experience working within supply chain, logistics, parcel, warehouse, automation, or engineering environments. Familiarity with cloud technologies such as Azure. Experience supporting large ...

Technical Product Owner

Hiring Organisation
Investec
Location
London, UK
Employment Type
Full-time
experience of sequence visualisation, system-flow modelling and data modelling. Solid, technical knowledge of SQL, APIs and API documentation tools or standards such as Swagger and OpenAPI.Experience owning and prioritising a technical product backlog while balancing immediate delivery needs with longer-term platform objectives. The ability to communicate complex ...

L1 Software Engineer

Hiring Organisation
Response Informatics
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £250 per day
Required Skills Frontend React.js REST API troubleshooting JavaScript/TypeScript basics Backend Python FastAPI REST APIs Postman/Swagger Cloud AWS (EC2, Lambda, S3, CloudWatch, API Gateway, IAM) Support Incident & ticket management (ServiceNow/Jira) Log analysis and application troubleshooting Qualifications Bachelor's degree in Computer Science ...