22 of 22 API Testing Jobs in the UK

Senior Full Stack Developer .Net & React/Typescript

Hiring Organisation
Computer Futures
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£85,000
performance, resilience and long-term maintainability in mind. Architecture & Technical Leadership Lead technical design discussions and contribute to strategic architectural decisions. Define service boundaries, API contracts, integration patterns and data flows. Promote modern software architecture principles, including modular design and domain-driven approaches. Work closely with Architecture teams … long-term roadmaps. Identify technical risks and recommend appropriate mitigation strategies. Influence the future direction of digital products and engineering practices. Engineering Quality & Testing Champion a quality-first engineering culture. Define and implement testing strategies across applications and services. Promote Test-Driven Development (TDD) and automation-first approaches. ...

Test Engineer - SC Cleared

Hiring Organisation
Gazelle Global Consulting Ltd
Location
London, United Kingdom
Employment Type
Contract
Five Test Engineer contracts on a UK public sector digital programme, building UI and API automation frameworks from scratch on cloud-native platforms. Contract: 12 months Location: Newcastle upon Tyne, Tyne and Wear, UK (preferred); London, Greater London, UK; Leeds, West Yorkshire, UK; Manchester, Greater Manchester, UK; Blackpool, Lancashire … Kafka. You will embed quality from framework design to production validation, alongside developers, BAs and product owners. - Build scalable UI and API automation frameworks in Java - Deliver functional, regression, integration and end-to-end automation - Automate UI testing with Selenium WebDriver and Playwright - Automate API testing ...

Performance Tester

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
outcomes. You understand and align with our Values The Role: We are looking for experienced Non Functional Test Engineers with demonstrable experience in Performance Testing and Non Functional Testing to join us on a permanent basis and assist with the running of our performance testing projects. … will be involved in overall NFT as well as API testing, Front End testing and UI based performance testing on behalf of both our public and private sector clients. Those not from a performance testing background, or without demonstrable experience in performance testing, will ...

Senior Automation Test Engineer/Test Lead

Hiring Organisation
Spencer Rose
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £410/day Inside IR35
Test Lead Spencer Rose are looking for an experienced Senior Automation Test Engineer/Test Lead who can take end-to-end ownership of testing and help shape the overall quality and automation strategy for our Banking client located in Central London. Start: ASAP Location: City of London … technical test leader. They should be capable of taking a project from having limited automation to establishing a robust E2E functional and performance testing framework from scratch, while providing leadership and direction to the wider testing team. Key Senior Automation Test Engineer/Test Lead Responsibilities Take ...

Automation Tester (Salesforce)

Hiring Organisation
Sopra Steria
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
quality, security and compliance of complex Salesforce solutions. Working within a DevSecOps environment, you'll play a key role in designing and implementing automated testing strategies across Salesforce platforms, integrations, APIs, and data migrations. You'll also help drive continuous improvement by introducing innovative testing practices, mentoring colleagues … doing: Designing, developing and maintaining automated test frameworks and reusable test assets across Salesforce platforms and integrations. Creating and executing automated functional, regression, integration, API and end-to-end test suites to support high-quality software delivery. Defining test strategies, test plans and risk-based approaches for complex testing ...

Member of Technical Staff, Full Stack

Hiring Organisation
FBI &TMT
Location
City of London, London, United Kingdom
Employment Type
Permanent
distributed systems, real-time processing, high availability and system performance Collaborate effectively with AI, product and infrastructure teams to deliver reliable features Support API testing and maintain high standards of quality, reliability and clean architecture Job Requirements: Strong experience in software engineering using Go, Python or C++ Proficiency … working with Kubernetes, AWS and infrastructure as code, such as Pulumi Knowledge of artificial intelligence, multimodal large language models and computer vision Experience with API testing and a strong understanding of software quality practices Strong awareness of system performance, reliability and maintainable architecture Experience building systems from scratch ...

React Front End Developer

Hiring Organisation
Colossus Recruitment Ltd
Location
Solihull, Bickenhill, West Midlands (County), United Kingdom
Employment Type
Permanent
Salary
£50000 - £60000/annum
deliver seamless client-server functionality Develop new features and enhancements across customer and internal platforms Ensure software quality through automated, integration and unit testing Participate in Agile ceremonies including daily stand-ups, sprint planning and retrospectives Troubleshoot, debug and resolve application issues Contribute to code reviews and technical discussions … consuming third-party and internal APIs Understanding of Azure cloud 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 ...

SC Cleared QA SDET

Hiring Organisation
ARM
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £540/day Inside IR35 (Negotiable rate)
client and the role, the selected candidate MUST HAVE ACTIVE SC Clearance*** The ideal candidate will have strong experience with Provar Automation Testing Key Responsibilities Test Automation Development Design, build, and maintain Provar automation test scripts for Salesforce applications and integrations. Develop scalable and reusable testing frameworks using … Provar best practices. Automate regression, functional, and end-to-end tests to improve testing efficiency. Test Planning & Execution Review requirements, user stories, and acceptance criteria to identify test scenarios. Execute automated and manual tests where required to ensure high-quality releases. Perform debugging, root cause analysis, and defect reporting ...

Analytics & Automation Test Engineer

Hiring Organisation
Deerfoot Recruitment Solutions
Location
Hertfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
£35,000
Analytics & Automation Test Engineer Remote (Occasional Travel to Letchworth office) Circa £35,000 per annum + benefits Permanent Are you early in your testing career and keen to work somewhere AI is already part of how testing gets done? This Analytics & Automation Test Engineer role is a chance … validate the results. It's a role for someone with genuine technical curiosity who wants broad exposure fast, and you'll help shape how testing is done across the department. What You'll Be Doing Planning and running functional, regression, integration and user acceptance testing across several delivery ...

Test Automation Engineer

Hiring Organisation
Hackajob Ltd
Location
Belfast, County Antrim, Northern Ireland, United Kingdom
Employment Type
Permanent
whilst learning about new technologies and approaches, with talented colleagues who will help you learn, develop and grow. Minimum (essential) requirements: Experience in software testing (automation or hybrid QA roles). Proficiency in Java programming fundamentals. Experience with Playwright for functional and regression testing. Familiarity with CI/… tools (e.g., Jenkins, GitHub Actions, GitLab CI). Basic understanding of version control systems (e.g., Git). Exposure to API testing using tools like Postman or REST Assured. Basic knowledge of test frameworks (e.g., TestNG or JUnit). Understanding of Agile/Scrum methodologies. Experience using defect tracking ...

Customs and Freight Test Analyst

Hiring Organisation
Divalentinecalver Recruitment Ltd
Location
Ashford, Surrey, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£40,000
willing to accept new challenges. Nice to haves Candidates with the following will have an advantage: Previous experience in a QA or testing role. Familiarity with Agile methodologies or experience working in a Scrum team. Be familiar with Windows, Windows applications and Microsoft Office products. ISTQB/ISEB Certified … Tester or Qualifications or equivalent. Experience with Azure DevOps. Experience with differing test environments/VMs/SQL/API testing tools. CI/CD Testing web front ends. We value the right mindset over perfect experienceif you bring industry knowledge and a passion for quality, well ...

Lead Platform Engineer

Hiring Organisation
FBI &TMT
Location
London, United Kingdom
Employment Type
Permanent
NestJS, with experience designing and building RESTful APIs and microservice-based systems. Practical knowledge of Kubernetes and Google Cloud Platform (GCP). Experience with API testing, automated testing and maintaining high standards of software quality. Understanding of agentic AI, large language models and the challenges of operating ...

QA Tester (Automation-Focused)

Hiring Organisation
The Portfolio Group
Location
Manchester, United Kingdom
Employment Type
Permanent
Salary
£45000/annum
backend Maintain regression test suites and expand test coverage Collaborate on test plans, acceptance criteria, and release readiness Build tools that make testing faster, smarter, and more effective What you bring: 4+ years in QA/testing roles, with strong automation experience Familiar with Selenium, Cypress, or other … test frameworks Experience with REST API testing using tools like Postman Detail-obsessed and comfortable in agile environments Nice-to-haves: Basic scripting or coding knowledge Familiarity with performance or security testing 41268MSR7 INDMANS The Portfolio Group are acting on behalf of our client in recruiting ...

Senior QA Automation Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
Burgess Hill, West Sussex, United Kingdom
Employment Type
Permanent
Salary
£60000 - £65000/annum
backend APIs, and mobile applications in cloud environments. Key Responsibilities Automation Leadership: Architect and maintain scalable automation frameworks for Web, Mobile, and Microservices APIs. Testing Strategy & CI/CD: Drive TDD/BDD practices, execute non-functional testing (Performance, Security/OWASP), and integrate automated suites into … build risk-based test strategies, mentor engineers, and partner with developers on code quality and unit testing. Requirements Core Technical Skills: Expertise in RestAssured API testing , Playwright (Java) , and Selenium (Java) . Experience & Stack: 6+ years in QA automation covering Web, Mobile, and REST APIs, with hands ...

Graduate QA Engineer

Hiring Organisation
Avanti Recruitment
Location
Oxford, Oxfordshire, United Kingdom
Employment Type
Permanent
Salary
£28000 - £30000/annum
work closely with developers and product teams, helping to identify bugs, improve user experience and maintain high standards of software quality. Typical responsibilities include: Testing new software features before release Investigating and reproducing software issues Verifying bug fixes Providing feedback on usability and functionality Reviewing documentation and product changes … Working closely with developers and product managers Supporting software releases and quality standards The role is primarily focused on manual testing, with opportunities to develop automation skills over time. What We're Looking For You will need to be Naturally curious and an analytical, detail-oriented, strong communicator, comfortable ...

Graduate Engineer

Hiring Organisation
Avanti Recruitment
Location
OX4, Cowley, Oxfordshire, United Kingdom
Employment Type
Permanent
Salary
£28000 - £30000/annum
work closely with developers and product teams, helping to identify bugs, improve user experience and maintain high standards of software quality. Typical responsibilities include: Testing new software features before release Investigating and reproducing software issues Verifying bug fixes Providing feedback on usability and functionality Reviewing documentation and product changes … Working closely with developers and product managers Supporting software releases and quality standards The role is primarily focused on manual testing, with opportunities to develop automation skills over time. What We're Looking For You will need to be Naturally curious and an analytical, detail-oriented, strong communicator, comfortable ...

Quality Assurance - Consultant

Hiring Organisation
Hackajob Ltd
Location
Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom
Employment Type
Permanent
Salary
£50,000
clients in government, healthcare and purpose-driven businesses. As a Quality Assurance consultant, youll ensure that quality assurance is considered from the start through testing, questioning and improving. Youll apply your adaptability and communication skills across a variety of projects, working with a vibrant QA community that champions learning … project or work in a team. Leading by example and promoting our client approach, you'll work in an agile environment across all testing types. You'll collaborate with team members, clients and users to maintain quality and follow best practice. You'll adapt to different tools and technologies ...

Application Security Specialist (12 month fixed term contract)

Hiring Organisation
Motability Operations
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Contract, Part Time, Work From Home
during a 12 month cover period. You will work with product teams, engineers and architects to identify and reduce security risk throughout design, development, testing and release. You will be the day-to-day application security contact for these domains, working within the wider Security Engineering function and escalating … configuration checks where relevant. Triage findings based on risk and context, explain remediation options, and work with engineering teams to verify fixes. Coordinate penetration testing and track material findings through remediation and retesting. Assess the security of SaaS platforms, external APIs and OEM integrations in collaboration with the relevant ...

Penetration Tester

Hiring Organisation
VIQU IT
Location
London, Clerkenwell, United Kingdom
Employment Type
Permanent
Salary
£60000 - £65000/annum
leading Cyber Security Consultancy is looking for an experienced Senior Penetration Tester to join its team. You'll deliver end-to-end penetration testing engagements, work directly with clients and contribute to the development of technical capabilities. Key Responsibilities: Deliver penetration tests from scoping through to reporting and client … debrief. Conduct testing across web applications, APIs, infrastructure, networks, cloud and mobile environments. Produce high-quality technical reports and present findings to clients. Support engagement scoping, proposals and client relationships. Research emerging vulnerabilities and develop tools/scripts to enhance testing. Key Requirements: Proven commercial experience within a penetration ...

Test Automation Engineer

Hiring Organisation
scrumconnect ltd
Location
Leeds, United Kingdom
Employment Type
Permanent
Salary
GBP 63,000 Annual
benefits Security Clearance: [To confirm] Start Date: ASAP The Role We're looking for an experienced Test Automation Engineer to build and run automated testing for public sector digital services. You'll work in multidisciplinary agile teams, using code to test microservices, user interfaces and APIs, and to build … colleagues. What We're Looking For Essential: Strong, hands-on experience of test automation and programming (for example Java, JavaScript or TypeScript). Experience testing microservices, with UI and API automation. Experience with BDD and Cucumber. Experience with at least one of Selenium, Cypress or Playwright. Experience with ...

QA Engineer

Hiring Organisation
Cathcart Technology
Location
Glasgow, City of Glasgow, United Kingdom
Employment Type
Contract
quality software across a suite of modern applications. The role will involve designing, building, and maintaining automated test solutions, alongside executing browser, UI, and API testing to ensure robust, scalable releases. Key Skills & Experience Strong commercial experience with Playwright Hands-on experience using C# for test automation Experience … testing web applications and APIs Strong understanding of Agile delivery environments Experience working within a Microsoft technology stack Exposure to Azure Desirable Experience designing and building automation test frameworks from scratch Previous involvement in large-scale digital transformation projects What's on Offer? Fully remote working Immediate start available ...

Quality Engineer - Android/iOS

Hiring Organisation
Spencer Rose
Location
Chester, Cheshire West and Chester, Cheshire, United Kingdom
Employment Type
Contract
Contract Rate
£360/day Inside IR35
Location: Chester - 2 days a week onsite Rate: £360pd Inside IR35 Key Skills & Responsibilities Strong hands-on experience in manual and automated mobile application testing across iOS and Android platforms. Proven expertise in designing and implementing mobile automation frameworks using Appium and/or similar tools. Experience using BrowserStack … cloud-based device platforms) for cross-device and cross-browser testing. Strong experience in test automation using Playwright, Selenium, or similar tools. Experience in API testing and end-to-end validation of integrated customer journeys. Experience working within Agile teams and contributing to continuous quality improvement. ...