16 of 16 Contract API Testing Jobs in the UK

Senior Test Analyst (API & Integration Testing) - Contract

Hiring Organisation
Harvey Nash
Location
Milton Keynes, Buckinghamshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£350 - £400 per day
Senior Test Analyst (API & Integration Testing) - Contract Location: Milton Keynes x2-3 days per week onsite Rate: £390-£400 per day Contract: Outside IR35 The Role Our customer, a leading automotive organisation, is seeking an experienced Senior Test Analyst to support a major transformation programme involving complex system … integrations, data migration activities and API-driven applications. Working within a fast-paced delivery environment, you will play a key role in ensuring the quality, reliability and performance of business-critical systems. You will be responsible for designing and executing comprehensive test strategies, validating data migration activities and ensuring ...

Senior Automation Test Engineer - Identity & Access Management

Hiring Organisation
Som3
Location
Sheffield, South Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £600/day
looking for a highly skilled Automation Test engineer with expertise in Identity and Access management (IAM) back-end validation. Skilled in identity orchestration, API testing, data ingestion and transformation, and event-driven (Pub/Sub) architectures. This role focuses on testing secure, scalable identity and access workflows … secure service integrations that support enterprise-level cloud and Identity operations. Key Responsibilities Build and maintain an automated test framework and suites for API, event, and graph-based services (Python/PyTest). Define and execute test plans/cases/data aligned to requirements and technical specs; maintain ...

Automation Test Engineer

Hiring Organisation
INTEC SELECT LIMITED
Location
Corsham, Wiltshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 per day
delivery of a large-scale digital transformation programme. The chosen candidate must have experience in Playwright or Cypress, Kotlin and TypeScript with API testing. This is an opportunity to work within a complex enterprise environment, helping to ensure the quality, resilience, and performance of critical services that support thousands … users across the UK.Working within a multidisciplinary Agile team, you will be responsible for designing, building, and maintaining automated testing frameworks across UI, API, and end-to-end testing layers. You will work closely with developers, business analysts, and operational stakeholders to ensure robust testing coverage ...

Lead Test Engineer - Microservices - Java - SC CLeared

Hiring Organisation
Morgan Philips Group
Location
West Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £640/day
Experience: Technical Expertise: * Strong experience designing and implementing test strategies for microservices environments * Hands-on automation experience using: o Java, Selenium, Rest Assured o API, contract, and integration testing * ( Experience working with monolith and microservices systems is essential) Knowledge of: o CI/CD pipelines o Spring Boot … based applications o Performance testing fundamentals Modern Testing Practices: o Contract testing, API testing, and asynchronous messaging (e.g. Kafka) o Non-functional testing (performance, accessibility) * Experience with non-relational databases (e.g. MongoDB) * Automation-first mindset with ability to build reusable, maintainable frameworks Leadership: * Experience ...

Automation Test Engineer

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
week on site. Financial Services Lorien's leading banking client is looking for a skilled Automation Test Engineer with strong experience of with Rest API testing in Java to join our London-based team. The ideal candidate will have strong experience of working with CI/CD Environments … Rest API And Kafka Events. This role is based in London. This role will be Via Umbrella. Working in a Hybrid Model of 2 days a week on site. Experience & Ways of Working Hands-on experience with Continuous Integration and Continuous Delivery (CI/CD) environments. Experience working ...

Contract Front-End Software Tester (JavaScript|Java|Playwright|TypeScript)

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
New Works, Telford, Shropshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £475 per day
hands on contract role with strategic influence, where you'll be responsible for defining and implementing a robust and cohesive end-to-end testing strategy, working closely with engineering and product leadership in a fast-pace, environment with a start-up feel. The key challenge is bringing structure … maturity to a fragmented testing landscape, establishing a cohesive end-to-end strategy across complex, multi-channel and highly integrated systems. Challenge: The company are currently using a mixture of Playwright, System Integration Testing, UAT, functional testing, UI and API testing, but lacks some structure ...

Test Engineer

Hiring Organisation
Stealth IT Consulting Limited
Location
United Kingdom
Employment Type
Contract
Contract Rate
£458 per day inside IR35
Provide authoritative advice on test scope, entry/exit criteria, and quality risks to delivery and product leadership. Balance pragmatism with assurance, ensuring proportionate testing within agile delivery constraints. Lead the design and evolution of automated test frameworks (UI, API, or service-level), aligned to the teams technology … value, maintainability, and risk. Integrate automated tests into CI/CD pipelines and advise teams on improving feedback cycles. Evaluate and recommend client community testing tools, frameworks, and practices to improve effectiveness and efficiency. Plan build and execute non-functional testing activities, including performance, accessibility, security, resilience ...

QA Lead

Hiring Organisation
Sanderson Recruitment
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Contract
Contract Rate
Up to £400 per day
with a client who are currently in the midst of platform transformation programme who require a QA Lead to own the end-to-end testing of data flows/integrity from salesforce capture orchestration master data system bespoke platform. This will be a very hands-on role and will … require building frameworks from scratch in playwright using Typescript/Node.js with Cucumber with Api testing acorss orchestration layer and integration points. Playwright in Typescript or Node.js - Must have Cucumber API Testing with either Postman or Playwright Reasonable Adjustments: Respect and equality are core values ...

Test Engineer

Hiring Organisation
Opus Recruitment Solutions
Location
Newcastle upon Tyne, Tyne & Wear, United Kingdom
Employment Type
Contract
Contract Rate
£300 - £350/day
ensuring the quality, reliability, and performance of modern web applications across a cutting-edge tech stack. This role requires hands-on expertise in automated testing, strong collaboration with development teams, and experience working across cloud-native environments. Key Responsibilities Design, develop, and execute automated and manual test cases … automation frameworks , particularly using Playwright (essential) Collaborate closely with developers, DevOps, and product teams to ensure quality throughout the SDLC Perform frontend and backend testing across Node.js and Spring Boot applications Validate data integrity and application performance involving MongoDB Integrate automated testing into CI/CD pipelines using ...

QA Engineer

Hiring Organisation
Pontoon
Location
Warwick, Warwickshire, United Kingdom
Employment Type
Contract
Contract Details: Fixed Term Contract (6 months) Responsibilities: Lead the charge on all QA activities, ensuring functional and non-functional testing meets the highest standards. Take ownership of your assigned QA tasks, driving excellence in automated and non-functional testing including performance, security, accessibility, and usability. Design, build … maintain robust test automation frameworks with clean, reliable code. Collaborate with junior QA Engineers and manual testers, guiding them in modern testing practices and engineering principles. Ensure consistent governance, design, and code quality in line with software standards and technology strategy. Create detailed test scenarios and cases, analyzing ...

SC Cleared Automation Test Engineer

Hiring Organisation
Sanderson Government and Defence
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550 per day + Inside IR35
Teste r to join a fast-paced Agile team delivering high-quality digital solutions. Key Responsibilities Design, develop and maintain automated test scripts (UI, API, integration) Build and enhance automation frameworks (Selenium, Playwright, Cypress) Identify automation opportunities from user stories and acceptance criteria Execute automated tests within CI/… testability Key Skills & Experience Strong experience with automation tools (Selenium, Playwright, Cypress, Appium) Programming skills in Java, C#, Python, or JavaScript/TypeScript API testing experience (Postman, RestAssured, Karate) Knowledge of BDD/TDD (Cucumber, SpecFlow) CI/CD tools exposure (Azure DevOps, Jenkins, GitHub Actions) Familiarity with ...

Senior Salesforce Test Engineer

Hiring Organisation
Indotronix Avani UK Ltd
Location
Swindon, Wiltshire, South West, United Kingdom
Employment Type
Contract, Work From Home
experienced Salesforce Test Engineer to ensure high-quality delivery of enterprise-level software. The role involves test planning, execution, automation, UAT, exploratory testing, and mentoring junior testers. The engineer will work closely with Salesforce developers, analysts, and cross-functional teams to improve test coverage, identify risks, and drive continuous … Agile/DevOps environments and provide demos to stakeholders. Essential Experience/Skills: Salesforce Admin 201 or equivalent Salesforce project experience. Functional and integration testing of Salesforce applications. Playwright, BDD/Cucumber, API testing (Rest Assured/Postman). Testing JavaScript/React applications. Knowledge ...

Automation Test Engineer - (IAM)

Hiring Organisation
GCS
Location
Sheffield, South Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £601/day
looking for a highly skilled Automation Test engineer with expertise in Identity and Access management (IAM) back-end validation. Skilled in identity orchestration, API testing, data ingestion and transformation, and event-driven (Pub/Sub) architectures. This role focuses on testing secure, scalable identity and access workflows … secure service integrations that support enterprise-level cloud and Identity operations. Key Responsibilities Build and maintain an automated test framework and suites for API, event, and graph-based services (Python/PyTest). Define and execute test plans/cases/data aligned to requirements and technical specs; maintain ...

Senior Automation Tester

Hiring Organisation
Summer Browning Associates
Location
East Kilbride, South Lanarkshire, Lanarkshire, United Kingdom
Employment Type
Contract
Contract Rate
£NEG Excellent Day Rate
extend. Location: Hybrid working - East Kilbride About the role: You will be responsible for the designing, developing and maintaining automated test scripts for UI, API, and integration testing. The ideal candidate will hold Active SC or DV clearance and have a strong background in delivery Senior Automation Testing … with automation tools such as Selenium, Playwright, Cypress, or Appium. Experience of programming languages e.g. Java, C#, JavaScript/TypeScript or Python Experience with API testing tools (Postman, RestAssured, Karate) Experience with cloud environments (Azure/AWS/GCP) Experience of containerisation (Kubernetes/Docker) ISTQB certification - Desirable ...

Data Engineer

Hiring Organisation
Guidant Global
Location
Farnborough, Hampshire, South East, United Kingdom
Employment Type
Contract, Work From Home
globally recognised premium automotive brand. The successful candidate will play a key role in customer data migration, system integration, data synchronisation, and API connectivity across multiple business-critical platforms. You will collaborate closely with technical teams, business stakeholders, and external partners to analyse, design, develop, and optimise integrated solutions … Ensure high levels of data integrity, consistency, and quality throughout migration and transformation processes. Support end-to-end reconciliation and validation activities post-migration. API & Systems Integration Work with RESTful APIs to integrate enterprise systems and perform CRUD operations. Connect to and consume APIs using tools such as Postman ...

Flow X Process Engineer

Hiring Organisation
ARM
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £700/day Inside IR35
platform - Extensive experience of similar workflow/low-code tools - Basic programming skills - Java, JavaScript, Python, Groovy - Experience in BPMN development - Good understanding of API testing - REST and SOAP or knowledge of integration protocols (REST - JSON, SOAP - XML) - Experience working with relational databases (Oracle DB, PostgreSQL) - Deep consulting ...