1 to 25 of 66 API Testing Jobs

Senior Quality Engineer

Hiring Organisation
Pontoon
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day Inside IR35
integration, system, regression, and end-to-end testing. Validate merchant onboarding journeys, our Accept application flows, payment processing, settlements, and terminal management capabilities. Execute testing across web, mobile (iOS & Android), API, and backend systems. Prepare detailed test plans, test scenarios, test cases, and test execution reports. Perform APItesting and integration testing across internal and third-party platforms. Support SIT, UAT, FOV (First Occurrence Validation), production releases, and post-release verification activities. Validate business-critical payment processing and settlement workflows. Perform data validation, reconciliation, and operational testing to ensure end-to-end integrity. Identify ...

Test Automation Engineer - Distributed, Networking, Security

Hiring Organisation
Adecco
Location
Nationwide, United Kingdom
Employment Type
Permanent
Salary
£50000 - £70000/annum Benefits
team, this is an exciting time to join. The Opportunity We're looking for a Test Automation Engineer to help build and enhance automated testing capability across complex distributed systems. This role goes far beyond writing automated tests. You'll develop frameworks, tooling and infrastructure that validate software operating … Essential Skills * Software engineering experience using Go, Rust or C, combined with Python or Shell scripting * Experience building automated test frameworks, harnesses and testing infrastructure * Understanding of distributed systems, asynchronous workflows and eventual consistency * Experience with Go Testing, Playwright, Jest or similar frameworks * CI/CD experience, ideally ...

Test Manager- Travel Technology

Hiring Organisation
Coforge
Location
England, United Kingdom
Dhabi, UAE Employment Type: Permanent Experience: 12+ Years Role Overview Coforge is seeking an experienced Test Manager - Airline Domain to lead large-scale testing engagements for a global airline client in Abu Dhabi. The ideal candidate must have extensive experience managing testing programs within the airline industry … leading Test Managers, Test Leads, QA Analysts, and Automation teams. Strong stakeholder management and client-facing experience. Digital & E-Commerce Experience Hands-on experience testing: Airline Websites Mobile Applications (iOS & Android) Digital Commerce Platforms Booking Engines Customer Self-Service Portals Payment Gateway Integrations Testing Expertise ...

Senior Test Automation Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Life Assurance, Private Pension & many more) Purpose of the job The Senior Test Engineer will be responsible for establishing and maintaining the structured manual testing, automated regression testing, test management, release assurance, and audit-ready evidence capability required for new and existing systems. The role will support … organisation as it moves from building bespoke solutions towards buying, configuring, integrating, and managing third-party platforms, where repeatable regression testing, UAT support, integration testing, validation evidence, and release control become increasingly important. This is a hands-on technical quality engineering role requiring the successful candidate to work ...

Quality Engineer - SFIA 5 (CoreMod)

Hiring Organisation
TXP
Location
Telford, Shropshire, West Midlands, United Kingdom
Employment Type
Contract
Contract Rate
£0.00 - £460 per day
Stack Frontend Remix React JavaScript Backend Java Spring Framework .NET Data MongoDB Oracle Tools & Integration RabbitMQ JSON Key Responsibilities Design, build and implement automated testing solutions from the ground up. Develop and execute test strategies using TDD, BDD and risk-based testing approaches. Champion shift-left testing practices and support CI/CD pipeline integration. Coach and mentor development teams on Quality Engineering best practices. Perform testing across all levels, including: Unit Testing System Testing Integration Testing Non-Functional Testing Analyse business requirements and translate them into effective test approaches. Create ...

Quality Performance Test Engineer

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£310/day £310 p/d Inside IR35
office, 2 WFH Location is one of either London, Manchester or Leicester We're looking for strong experience in performance and non-functional testing to support the delivery of large-scale digital services. The role will focus on ensuring applications are scalable, reliable and performant through a combination … performance testing, API testing and quality engineering practices. What you'll be doing Design, develop and execute performance, load, stress and endurance testing activities. Build and maintain JMeter test scripts and performance test frameworks. Perform API testing and validate system behaviour under varying loads. ...

Senior Full Stack Developer

Hiring Organisation
Computer Futures
Location
West Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£75000 - £87000/annum
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. ...

QA Automation Engineer - GenAI

Hiring Organisation
Square One Resources
Location
Burgess Hill, West Sussex, United Kingdom
Employment Type
Contract
Contract Rate
£260 - £280/day
modern automation frameworks, and hands-on AI experience. The ideal candidate will drive quality assurance initiatives using cutting-edge technologies and AI-powered testing solutions. Design, develop, and maintain automated test frameworks using Python, JavaScript, and Playwright Implement AI-powered testing solutions to enhance test coverage and efficiency … Create and execute API tests using RestAssured or Karate frameworks Collaborate with development teams to ensure quality throughout the SDLC Analyze test results and provide actionable insights Mentor junior team members on automation best practices Contribute to continuous improvement of testing processes Required Skills/Experience The ideal ...

Quality Assurance Engineer - Networking & Embedded

Hiring Organisation
Adecco
Location
Nationwide, United Kingdom
Employment Type
Permanent
Salary
£45000 - £70000/annum Benefits
issues before production, and ensure solutions perform reliably across software, networking, cloud, and embedded platforms. You'll work closely with engineering teams, investigating defects, testing real-world scenarios, and helping drive product quality across the entire technology stack. Ideal Candidate Essential Skills * Experience testing networking, embedded, or distributed … Knowledge of LTE, 5G, SIMs, APNs and cellular connectivity * Strong defect reproduction and root-cause analysis skills * Excellent written documentation skills Technical Knowledge * REST API testing, JWT, authentication flows and mTLS * TLS, certificates, PKI and X.509 * Server-Sent Events (SSE) * Security testing and RBAC validation * Packet capture ...

Senior QA Engineer (Mobile) - Cupid Media

Hiring Organisation
Jobleads-UK
Location
United Kingdom
mobile applications. You will take ownership of the QA lifecycle, from feature validation and test planning to production releases. The position combines hands-on testing, automation, and collaboration with cross-functional engineering teams. You will help improve product stability, user experience, and release confidence across mobile platforms. Working … contribute to products that connect people worldwide. The role is ideal for a QA professional who enjoys solving complex quality challenges and building scalable testing processes. Accountabilities The Senior QA Engineer will be responsible for driving quality assurance across mobile product development, ensuring reliable releases and continuous improvement ...

Release Manager

Hiring Organisation
DM Op Co Limited
Location
United Kingdom
Employment Type
Permanent
help make sure change is delivered safely, consistently and at pace. This is a key role within our Group IT function, responsible for leading testing, release governance and production readiness across a complex technology landscape. Youll work across enterprise systems, operational platforms, customer service tools, data platforms, integrations … technologies, including systems such as Workday, Freshworks and ERP platforms. As Group IT Test & Release Manager , youll help build a modern, scalable and mature testing and release capability that supports rapid transformation while protecting operational stability. The Role This Group IT Test & Release Manager role is ideal for someone ...

Staff QA Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
initiatives, and driving quality culture across the engineering organisation. This is not a people management role. It is a technical lead role with programme testing governance accountability. You will largely focus on: a) Quality Engineering Leadership Driving quality engineering standards, automation strategy, and testing best practices across … coverage (target: 60-20-20). Lead test strategy reviews for critical coverage areas. Own the automation strategy for allocated Technical domains. Drive API integration testing strategy framework standardisation. Be a key contributor in QA Community of Practice - monthly sessions sharing best practices, shift-left learnings, and tooling ...

Test Manager

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
functional). The ideal candidate brings a test engineering mindset, promotes shift-left practices, drives automation adoption (including Playwright), and enhances quality through continuous testing and robust test governance. Key Responsibilities Define and own the end-to-end test strategy for Duck Creek or Guidewire upgrade programmes, aligned with … release plans, and business objectives. Lead test planning, estimation, and scheduling across distributed teams and workstreams to ensure timely delivery. Implement a risk-based testing approach; maintain a dynamic test risk register and ensure timely mitigation. Design and implement the automation strategy across UI and API layers, including ...

QA Lead

Hiring Organisation
Sanderson
Location
Bristol, Avon, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 per day
with a client undertaking a major platform transformation programme. They are seeking an experienced QA Lead to take ownership of the end-to-end testing strategy, with a particular focus on validating data flows, data integrity and system behaviour between Salesforce and a bespoke platform. This is a highly … multiple integration points. The successful candidate will define the quality approach, build robust automation frameworks from the ground up using Cucumber, and establish effective API testing practices with Playwright or Postman. You will work closely with engineering, product and delivery teams to identify risks early, improve test coverage ...

Test Manager (DV Clearance Required)

Hiring Organisation
Capgemini
Location
Greater London, United Kingdom
Employment Type
Full Time
willingness and eligibility to undergo DV Clearance (Mandatory) Role Overview We are looking for an experienced Test Manager to lead the end-to-end testing strategy, governance, and delivery for a complex enterprise programme. The successful candidate will be responsible for ensuring quality across functional, integration, automation, performance … operational acceptance testing while managing stakeholders, risks, resources, and delivery timelines. This is a hands-on leadership role requiring strong technical testing expertise, experience managing complex projects, and the ability to drive quality assurance best practices across multiple teams including third party suppliers, and guide the teams ...

Test Engineer

Hiring Organisation
Noir
Location
Bournemouth, Dorset, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £50,000 per annum
Test Engineer (Tech stack: QA Analyst, QA, SDET, Test Engineer, Tester, Manual Tester, QA Engineer, Quality Assurance, Software Quality Assurance (SQA) Engineer, Manual Testing, Web Applications, Defect Tracking, Excel, API Testing, SQL, DevOps, Scrum) Our client is an established technology business delivering web-based software solutions. They … Application Support Specialist with strong QA experience to ensure the quality, stability, and reliability of their applications. This role is primarily focused on manual testing, defect management, and application support. You will play a key part in validating releases, identifying issues, and working closely with development teams to ensure ...

Junior/Mid-level Software Tester

Hiring Organisation
Fruition Group
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent, Work From Home
high-quality software products and an excellent user experience. This is an excellent opportunity for someone with at least one year's commercial testing experience who enjoys identifying issues, validating software functionality, and working closely with developers to deliver reliable applications. You'll also have the opportunity to develop … your automation testing skills as the testing function matures. Responsibilities Execute manual testing across web-based applications and internal systems. Create and maintain test cases, test plans, and test documentation. Perform functional, regression, exploratory, and user acceptance testing. Identify, document, and track defects through to resolution. Collaborate ...

Quality Assurance Analyst

Hiring Organisation
DGH Recruitment Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£55000 - £57000/annum
Quality Assurance Analyst (Data & ETL Testing) - 18 Month FTC We are seeking an experienced Quality Assurance Analyst with a strong data testing background to join a growing technology team undergoing significant transformation. This is an excellent opportunity to play a key role in ensuring the quality, integrity … reliability of critical business applications, data platforms, and reporting solutions. Working within an Agile environment, you will be responsible for leading testing activities across projects and delivery squads, ensuring solutions are thoroughly tested and meet both functional and non-functional requirements. Key Responsibilities - Lead QA and testing activities ...

QA Automation Lead - Web, Mobile & API Testing

Hiring Organisation
Jobleads-UK
Location
Cambourne, England, United Kingdom
Remotestar is seeking a Senior QA Automation Engineer to lead automated testing across web, mobile, and API platforms. You will design robust test strategies, build frameworks, and drive quality through CI/CD integration. The role requires 7+ years in QA, hands-on automation with Playwright/Selenium …/Cypress, and strong SQL/API testing, plus experience with mobile apps. Join a team focused on scalable quality and technological excellence. #J-18808-Ljbffr ...

QA Tester

Hiring Organisation
Global Highland
Location
Inverness, Highland, United Kingdom
Employment Type
Permanent
will ensure that software releases meet business requirements and maintain the highest quality standards. This role requires strong analytical skills, a methodical approach to testing, and experience working within Agile software development environments using Azure DevOps. Key Responsibilities Functional Testing Create, execute, and maintain detailed test plans … test cases. Perform manual testing of web applications developed in C# and .NET Core. Validate functionality against business and technical requirements. Identify, document, and track software defects. Azure DevOps & Agile Delivery Work within Azure DevOps to manage test activities and track defects. Create and maintain test cases linked ...

Software Test Team Lead

Hiring Organisation
Reed
Location
Exeter, Devon, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £45,000 per annum, Inc benefits
Term Contract A new exciting Fixed Term Contract opportunity has become available to join a leading UK housing care provider. They're seeking a Testing Team Lead to support the delivery of high-quality digital products across there agile teams. This role is perfect for someone who enjoys … objective setting, and performance reviews. Build capability through mentoring, knowledge sharing, and skill development. Support wellbeing and workload balance within the team. Testing Delivery and Quality Assurance: Lead planning and execution of test activities within agile teams. Ensure test approaches are risk-based and aligned to product scope. Oversee ...

Test Automation (DV Cleared)

Hiring Organisation
Copello
Location
Farnborough, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Negotiable depending on experience IR35: Inside Clearance Required: DV - suitable candidates must have current, transferrable DV Clearance Top 3: Python Test Automation experience AWS Testing Experience Security Testing experience The company are seeking a mid level Test Automation Engineer to join its UK team in the Farnborough area … initial four-month contractor engagement. The role will support the delivery of secure, reliable technical solutions through a combination of manual testing, Python-based test automation, AWS, database and security-testing expertise. The successful contractor will be a seasoned technical individual contributor who is fully proficient in applying ...

Quality Engineering Leader – QA Strategy & Governance

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
lead the QA governance, quality strategy, and delivery assurance across a major transformation programme. The role emphasises governance and strategy over hands-on testing, with a focus on automation strategy and QA leadership. The candidate will define QA standards, oversee automation suites (C#, Playwright, Selenium), and lead CRM testing, API testing, and UAT while engaging stakeholders through delivery cycles. #J-18808-Ljbffr ...

Digital Full Stack Engineer

Hiring Organisation
Computer Futures
Location
West Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£60000 - £70000/annum
provide real value to customers and the wider business. You will be involved throughout the software development lifecycle, from design and development through to testing, deployment and operational support. Working within an Agile environment, you will collaborate closely with Product Owners, UX Designers, QA Engineers, Architects and Operations teams … practices. Support the delivery of new features and enhancements throughout the software development lifecycle. Contribute to technical discussions and provide input into solution design. Testing & Quality Assurance Create and maintain automated unit and integration tests. Contribute to API and user interface test automation frameworks. Help ensure software meets ...

Quality Assurance Engineer

Hiring Organisation
Jobleads-UK
Location
England, United Kingdom
seeking a detail-oriented Quality Assurance Engineer with experience in both manual and automated testing of enterprise-grade applications. You will work closely with Software Engineers, product owners, and DevOps teams to ensure that our applications meet functional, performance, and usability standards. This is a hands-on role … Design, develop, and execute manual and automated test cases Collaborate with Software Engineers and product teams to define acceptance criteria and testing requirements Identify, document, and track defects through to resolution Perform regression, integration, and system testing Contribute to test automation frameworks and CI/CD pipeline integrations ...