API Testing Jobs in the South East

19 of 19 API Testing Jobs in the South East

Quality Assurance Engineer C# .net

Abingdon, Oxfordshire, South East, United Kingdom
Hybrid / WFH Options
Preservica
We're seeking a Quality Engineer with hands-on experience in C#, Visual Studio, and the Microsoft tech stack. If you have experience testing both frontend and backend systems and enjoy driving automation and quality in a fast-paced, collaborative environment, wed love to hear from you! We are Preservica, and our active digital preservation solutions are at the … Gherkin syntax and ReqNRoll. Participate in Agile ceremonies, story reviews, and provide early feedback on testability and quality. Expand test coverage across regression and feature test suites. Perform exploratory testing during feature development. Conduct code reviews for test scripts and contribute to internal tooling. Support performance testing using Azure Load Testing, JMeter, or Locust.. Contribute to backend …/API testing and support security testing initiatives. What We Offer We are an open progressive employer that values our staff as the heart of our business. As well as a competitive salary and benefits package, we offer tangible career development opportunities and dedicated training time to support professional growth. Our benefits package includes Life Insurance, Private More ❯
Employment Type: Permanent, Work From Home
Posted:

Senior Automation Tester / SDET

London, South East, England, United Kingdom
Robert Walters
their Tech team with stong experience in Java coding (OOP, SOLID). Building automation platforms and frameworks. From a technology perspective, the key skills for the role are: RESTAssured, API Testing Contract Testing - Nice to have Pact framework - Nice to have OOP Java Integration Testing SQL, RDBMS Gradle, Git Spring - Nice to have Must have SC … clearance! (NPPV3 is preferrable) Experience and Skills + A minimum of 5 years relevant experience as an SDET + Strong experience of OOP and SOLID + Unit testing with Junit + Experience and knowledge of API testing with coded framworks and Postman for debug and exploratory testing. + Strong experience with Gitlab and Git + SonarQube + … + Wiremock - Nice to have + Jira and Confluence This role will include but is not limited to: Working with the product team to define the acceptance criteria and testing DOD for each story Pairing with the developers to define and review the required tests that will address all features and functions of a product delivery at the unit More ❯
Employment Type: Full-Time
Salary: £70,000 - £80,000 per annum
Posted:

Test Analyst

Banbury, Oxfordshire, England, United Kingdom
Hybrid / WFH Options
Oscar Technology
Analyst to ensure the quality of their Mobile App and Web Applications.You will be expected to design and execute test strategies across functional, regression, end-to-end, and automation testing, with a particular focus on mobile app automation. Working closely with cross-functional team, you will help drive continuous improvement in testing practices and product deliveryThis role is … three days per week. Key Responsibilities: Design, develop, and execute detailed test plans and test cases across Mobile App and Web applications. Responsible for ensuring that all assigned integration testing for Mobile App and Web applications is executed, recorded and evidence stored to allow sign off within the agreed framework to be completed. Carry out appropriate release testing tasks as scheduled. Estimate testing scope, prioritise tasks, and identify opportunities to automate manual and functional test cases. Automate repetitive test scenarios using modern testing frameworks and tools (e.g., Selenium, Katalon), creating and maintaining automated test scripts and suites in line with system updates and new product releases. Conduct API testing using tools like Postman More ❯
Employment Type: Full-Time
Salary: £35,000 - £40,000 per annum
Posted:

Tester

Windsor, Berkshire, England, United Kingdom
Hybrid / WFH Options
Proactive Appointments
preparing test reports, and working closely with relevant departments and stakeholders to report defects when required. Key skills required Proven track record in software test roles doing hands-on testing Must have experience in Agile/Scrum models Strong Testing experience with API, Cross Platform Testing, Cross Browser Testing, Web, Mobile and Tablet Strong Testing Experience in Non-Functional testing Experience of working with Test Management tools like JIRA, TFS, ALM Familiar with C# .NET, HTML, SQL & Java Good Experience of working with SQL and SQL Management Studio. Excellent knowledge in Postman & SOAP UI for API Testing Must be able to work closely with the BA & development teams Strong attention to … C# .net will be an added advantage Experience working with Selenium Webdriver Previous work experience within the logistics industry ISTQB Advance level Test Analyst or equivalent certification in software Testing Benefits Full private health insurance through healthcare partner Group Life Insurance and Income Protection BUPA Dental 23 days holiday, rising to 26 days per years’ service + all UK More ❯
Employment Type: Full-Time
Salary: £32,000 - £35,000 per annum
Posted:

QA Engineer

Reading, Oxfordshire, United Kingdom
Grassroots Recruitment Ltd
detail-oriented QA Engineer with strong expertise in test automation using tools like Playwright, Jest, and Cucumber. The ideal candidate has solid programming skills to develop and maintain automated testing frameworks and is proficient in API testing for RESTful and services. Experience in performance testing, database validation using SQL, and ensuring cross-browser and cross-platform … experience with Playwright, Jest, and Cucumber for end-to-end, unit, and behavior-driven testing. Programming & Scripting: Strong programming/scripting skills to build and maintain automated test frameworks. API Testing: Proficient in validating and automating RESTful APIs for functionality, performance, and security. Performance Testing: Skilled in designing and executing performance and load testing strategies to … ensure system reliability at scale. Database Testing: Solid SQL expertise for backend validation, data integrity checks, and query optimization testing. Cross-Browser & Cross-Platform: Experienced in validating compatibility across multiple browsers, devices, and operating systems. Agile Collaboration: Familiar with the Software Development Life Cycle (SDLC) and Agile methodologies, working closely with developers, product owners, and stakeholders to ensure high More ❯
Employment Type: Contract
Rate: GBP Annual
Posted:

QA Engineer

Reading, Berkshire, England, United Kingdom
Grassroots Recruitment Limited
detail-oriented QA Engineer with strong expertise in test automation using tools like Playwright, Jest, and Cucumber. The ideal candidate has solid programming skills to develop and maintain automated testing frameworks and is proficient in API testing for RESTful and services. Experience in performance testing, database validation using SQL, and ensuring cross-browser and cross-platform … experience with Playwright, Jest, and Cucumber for end-to-end, unit, and behavior-driven testing. Programming & Scripting: Strong programming/scripting skills to build and maintain automated test frameworks. API Testing: Proficient in validating and automating RESTful APIs for functionality, performance, and security. Performance Testing: Skilled in designing and executing performance and load testing strategies to … ensure system reliability at scale. Database Testing: Solid SQL expertise for backend validation, data integrity checks, and query optimization testing. Cross-Browser & Cross-Platform: Experienced in validating compatibility across multiple browsers, devices, and operating systems. Agile Collaboration: Familiar with the Software Development Life Cycle (SDLC) and Agile methodologies, working closely with developers, product owners, and stakeholders to ensure high More ❯
Employment Type: Contractor
Rate: £0 per day
Posted:

Quality Engineer

London, South East, England, United Kingdom
Lorien
leading banking client are looking for a Quality Engineer to join their team on an initial 6-month contract. Key skills/knowledge required: Strong proficiency in Python-based testing frameworks (e.g., Behave, PyTest, unittest) Experience in automated testing of data pipelines and ETL processes Experience with data validation frameworks and testing data transformations across Snowflake and … AWS environments Knowledge of API testing tools and frameworks (Postman, REST Assured, or similar) Hands-on experience testing OMS platform integrations (Aladdin, Murex, Charles River) and validating trade lifecycle data flows Experience integrating automated tests into CI/CD pipelines for continuous delivery Hands-on experience validating data accuracy and integrity across multiple systems Experience working embedded … departments Strong problem-solving skills with ability to design effective test strategies for complex data workflows Ability to work collaboratively with engineers, delivery roles, and business stakeholders Knowledge of testing methodologies for data pipelines, APIs, and integrations Knowledge of data quality testing patterns and anomaly detection in capital markets data Understanding of compliance and audit requirements in regulated More ❯
Employment Type: Full-Time
Salary: Salary negotiable
Posted:

QA Tester

London, South East, England, United Kingdom
Pharmica
solver with a knack for uncovering bugs and optimising software quality, this is your chance to make an impact and grow your career. What You’ll Be Doing Automation Testing Develop, maintain, and execute automated test scripts using UI automation tools (preferably Selenium). Focus on programming in C# (preferred), though experience in Python, Java, or other languages is … acceptable Collaborate with developers to integrate automated tests into the development process and CI/CD pipelines. Manual Testing Conduct thorough manual testing to validate software functionality and user experience. Write and execute detailed test cases and plans across various platforms. Identify, track, and document defects using our established bug tracking tools. What We’re Looking For We … with our project. Familiarity with design patterns and best practices in C#. Bonus Points For : Exposure to CI/CD pipelines (GitHub Actions, Azure, Jenkins, etc.). Experience with API testing tools like Postman, Insomnia, or curl. Exposure to performance testing tools. Who You Are Independent and Proactive: You’re comfortable taking the lead and researching solutions More ❯
Employment Type: Full-Time
Salary: £30,000 - £40,000 per annum
Posted:

Software Engineer - Perl JavaScript Oracle API Testing £675/d

London, South East, England, United Kingdom
Hybrid / WFH Options
Adecco
Developer with Perl, JavaScript, API, Oracle, and Unit Testing/Integration Testing experience. 6 month initial contract. Remote (UK Based) £675/day (inside IR35) Our client is looking for a Developer with experience around Perl Scripting, JavaScript, APIs, Version Control (Git) Oracle and testing for an initial 6 month contract. You'd be working from More ❯
Employment Type: Contractor
Rate: £675 per day
Posted:

Senior Test Engineer

London, South East, England, United Kingdom
INTEC SELECT LIMITED
platforms: a trade execution system and a risk management platform. Role and Responsibilities: Design, develop, and maintain automated end-to-end tests using Cypress and Playwright. Create and maintain API test suites (REST & WebSocket) to ensure backend reliability and performance. Integrate automated tests into CI/CD pipelines (Azure DevOps) to deliver rapid, reliable feedback on deployments. Collaborate closely … with development and product teams to define test strategies and coverage. Conduct manual and exploratory testing where automation is not yet implemented. Identify gaps in existing QA processes and introduce improvements to strengthen overall test quality. Champion a culture of quality and testing excellence across the team. Essential Skills and Experience: Proven experience in test automation using Cypress … or Playwright. Strong knowledge of API testing (REST, WebSocket). Proficiency in JavaScript/TypeScript. Experience integrating tests within CI/CD pipelines (Azure DevOps, GitHub Actions, or Jenkins). Manual and exploratory testing experience. Background in Agile/Scrum delivery environments. Previous experience in financial services, fintech, or trading systems. Desirable Skills: Working knowledge of SQL More ❯
Employment Type: Full-Time
Salary: £70,000 - £80,000 per annum
Posted:

Test Automation Engineer

London, South East, England, United Kingdom
Hybrid / WFH Options
Lynx Recruitment Ltd
complex applications Build automation tools and enhance framework capabilities to meet evolving project requirements Implement and maintain automation and performance monitoring processes Contribute to the definition of automation and testing best practices across teams Collaborate closely with developers, QA specialists, and delivery teams to ensure effective automation coverage Support performance test investigations and coordinate resolution efforts across teams Key … understanding of QA processes and the software development lifecycle Proven experience designing and implementing automation frameworks from scratch Proficiency in Java and JavaScript (3+ years) Hands-on experience with API testing tools such as RestAssured or SoapUI Experience implementing contract testing solutions (e.g., PACT) Familiarity with CI/CD tools such as Jenkins, GitLab CI, or similar … Experience testing microservices and containerised applications (e.g., Docker, Kubernetes) Working knowledge of cloud environments (AWS or Azure) Understanding of accessibility testing standards Experience using tools such as Jira and Confluence for documentation and test management More ❯
Employment Type: Full-Time
Salary: £50,000 - £65,000 per annum
Posted:

Junior Test Automation Engineer

London, South East, England, United Kingdom
Hybrid / WFH Options
Lynx Recruitment Ltd
complex applications Build automation tools and enhance framework capabilities to meet evolving project requirements Implement and maintain automation and performance monitoring processes Contribute to the definition of automation and testing best practices across teams Collaborate closely with developers, QA specialists, and delivery teams to ensure effective automation coverage Support performance test investigations and coordinate resolution efforts across teams Key … understanding of QA processes and the software development lifecycle Proven experience designing and implementing automation frameworks from scratch Proficiency in Java and JavaScript (3+ years) Hands-on experience with API testing tools such as RestAssured or SoapUI Experience implementing contract testing solutions (e.g., PACT) Familiarity with CI/CD tools such as Jenkins, GitLab CI, or similar … Experience testing microservices and containerised applications (e.g., Docker, Kubernetes) Working knowledge of cloud environments (AWS or Azure) Understanding of accessibility testing standards Experience using tools such as Jira and Confluence for documentation and test management More ❯
Employment Type: Full-Time
Salary: £35,000 - £50,000 per annum
Posted:

SDET-Java

Burgess Hill, Sussex, United Kingdom
Randstad Technologies Recruitment
SAFe TestDriven Development TDD Behavior Driven Development BDD and Waterfall Knowledge of the following tools Cucumber Godog or other BDD tools Kubernetes Docker Rest Assured Rest or other REST API testing tools Wiremock Mountebank or other HTTP stubbing tools Experienced in continuous integration CI continuous deployment CD and continuous testing CT including tools such as Jenkins Rally … and or JIRA and version control such as GIT or SVN Responsibilities Responsible for all testing activities aligned to the portfolio and collaborates with all stakeholders to achieve high quality deliverables Collaborates with development teams and product teams to drive improvements in overall quality automation and testing processes and techniques Implementing portfolio solutions for Automation and Testing and have a Devops mindset Understand platforms and applications adhere to program test principles exception testing which pertains to global functionality keeping test suites lean Fully understands the platform roadmap and quality priorities to proactively envision scalable resilient high performing solutions able to identify reusability at platform level and drive the tooling and overall delivery strategy to stay More ❯
Employment Type: Permanent
Salary: GBP 55,000 - 60,000 Annual
Posted:

SDET-Java

Burgess Hill, West Sussex, England, United Kingdom
Randstad Technologies
SAFe TestDriven Development TDD Behavior Driven Development BDD and Waterfall Knowledge of the following tools Cucumber Godog or other BDD tools Kubernetes Docker Rest Assured Rest or other REST API testing tools Wiremock Mountebank or other HTTP stubbing tools Experienced in continuous integration CI continuous deployment CD and continuous testing CT including tools such as Jenkins Rally … and or JIRA and version control such as GIT or SVN Responsibilities Responsible for all testing activities aligned to the portfolio and collaborates with all stakeholders to achieve high quality deliverables Collaborates with development teams and product teams to drive improvements in overall quality automation and testing processes and techniques Implementing portfolio solutions for Automation and Testing and have a Devops mindset Understand platforms and applications adhere to program test principles exception testing which pertains to global functionality keeping test suites lean Fully understands the platform roadmap and quality priorities to proactively envision scalable resilient high performing solutions able to identify reusability at platform level and drive the tooling and overall delivery strategy to stay More ❯
Employment Type: Full-Time
Salary: £55,000 - £60,000 per annum
Posted:

QA Lead

London, South East, England, United Kingdom
Chambers and Partners
team of QA engineers and play a central part in ensuring the quality, accuracy, and performance of our data-driven products. Main Duties and Responsibilities Lead and execute automation testing for critical Research initiatives Manage, mentor, and support the growth of QA engineers (manual and automation) Conduct regular 1:1s, performance reviews, and career development planning Champion a culture … of quality, ownership, and continuous improvement Oversee and enhance onboarding processes for new QA team members Skills and Experience Strong experience in manual and automated testing of web and mobile applications.Proficient in automation frameworks (e.g., Selenium, Cypress, Playwright, Appium). Experience with API testing tools (e.g., Postman, REST-assured). Strong working knowledge on CI/CD More ❯
Employment Type: Full-Time
Salary: Competitive salary
Posted:

Software Test Analyst

Oxfordshire, United Kingdom
Hybrid / WFH Options
hireful
are scaling their technical teams ? Do you love problem-solving, have high attention to detail & are looking for the career opportunity to progress skills in mobile/web & software testing in a technical environment? You will work closely with the Test Lead & cross-functional teams, including developers, product managers, and UI designers, to clarify requirements, identify risks, and ensure … Basic + Benefits package (25 days holiday, private health, pension scheme, etc) What would we need to see in your experience, to be considered? - Strong track record in software testing, with a focus on mobile & web app automation and regression testing. - Proven experience creating and maintaining automated test scripts for Android and/or iOS applications. - Hands-on experience … with tools & frameworks such as Appium, Selenium, or Katalon. - Proficiency in API testing (Postman or equivalent) and SQL for data validation. - Experience writing and executing test plans and cases for functional and non-functional testing. Desirable skill set & to give you an idea of other things you d gain experience in: - Experience with CI/CD pipelines and More ❯
Employment Type: Permanent
Salary: GBP 35,000 - 40,000 Annual
Posted:

Software Test Analyst

Banbury, Oxfordshire, England, United Kingdom
Hybrid / WFH Options
hireful
are scaling their technical teams Do you love problem-solving, have high attention to detail & are looking for the career opportunity to progress skills in mobile/web & software testing in a technical environment? You will work closely with the Test Lead & cross-functional teams, including developers, product managers, and UI designers, to clarify requirements, identify risks, and ensure … Basic + Benefits package (25 days holiday, private health, pension scheme, etc) What would we need to see in your experience, to be considered? - Strong track record in software testing, with a focus on mobile & web app automation and regression testing. - Proven experience creating and maintaining automated test scripts for Android and/or iOS applications. - Hands-on experience … with tools & frameworks such as Appium, Selenium, or Katalon. - Proficiency in API testing (Postman or equivalent) and SQL for data validation. - Experience writing and executing test plans and cases for functional and non-functional testing. Desirable skill set & to give you an idea of other things you’d gain experience in: - Experience with CI/CD pipelines and More ❯
Employment Type: Full-Time
Salary: £35,000 - £40,000 per annum
Posted:

Lead QA Engineer, Commodities Trading, London

London, South East, England, United Kingdom
Harvey Nash
Extensive Benefits , London My Leading Commodities Trading Client are looking for a Lead QA Engineer to Lead on Strategy, Focus and Delivery for a team of 8 UI, DB, API QA's working in a C#/JavaScript Technology Stack having ownership for the Oil and Gas Trading Platform. This role is 3 days a week in London. Key … Responsibilities: Lead Testing across multiple projects, ensuring successful execution of test plans to schedule. Create and deliver comprehensive test automation strategy that aligns with the projects objectives. Design and lead on development of automated test scripts and test data using (c#, Javascript) Lead Team of 8 QA Engineers across (UI, DB and API Testing), Goal Setting, Direction … Priority/Focus, Delivery etc. Key Requirements: Extensive experience in Automated Testing across UI, DB and API in a Trading Environment. Depth of knowledge in C# and Javascript Strong Commodities Trading Experience (Ideally Oil and Gas) Please apply with your CV and contact details if you are interested in pursuing this opportunity. More ❯
Employment Type: Full-Time
Salary: £120,000 - £135,000 per annum
Posted:

Test Engineer

Tunbridge Wells, Kent, England, United Kingdom
Hybrid / WFH Options
Vermelo RPO
award-winning IOT, high-throughout/big data insurance telematics & video solution. Role: We are looking for a test engineer to join our development team in the validation and testing of the in-vehicle camera devices with our IoT platform. Reporting to our head of QA this role will focus on the user acceptance testing of the devices … the full end to end solution. This role will suit a methodical and analytical thinker and requires an ability to perform real-world in-vehicle and on the bench testing, compile concise and accurate formal test reports and to replicate, communicate and assist in the resolution of issues that are found as a result of this testing. A full … accuracy as well as an ability to install and de-install the equipment to the vehicle. Essential Skills: Ability to install aftermarket equipment to vehicles for the purpose of testing Ability to document test cases and results into formal reports Ability to work as part of an Agile development team with developers, product owners and QA analysts Ability to More ❯
Employment Type: Full-Time
Salary: Salary negotiable
Posted:
API Testing
the South East
10th Percentile
£32,750
25th Percentile
£41,250
Median
£47,500
75th Percentile
£58,563
90th Percentile
£63,750