1 to 25 of 177 Unit Testing Jobs in London

Years of Relevant Experience: 5+ years Education Level: Bachelor's Degree About the Job: Acceptance Testing Manager (OAT) or Unit Testing Manager (UAT) Our Client is a leading household insurance company based in London. They are looking to recruit an experienced UAT/OAT Manager to join … opportunity to join a growing organization and be a part of the team servicing key insurance clients. Required Skills: OAT (Operational Acceptance Test)/Unit Testing Management experience in distributed test architecture. Experience in managing customer expectations with strong communication skills to highlight key messages. Experience in managing … as this account has multiple off-the-shelf products from different vendors. Exposure to UAT/OAT Test Methodologies, Test Strategy and Approach, and Testing Types from a design and execution perspective. Good architectural knowledge around App servers (Tomcat), DB Servers (Informatica, SQL, Oracle), and Middleware (Mulesoft). Ability More ❯

to support data quality assurance, test automation, and validation frameworks across data engineering and platform engineering teams. The ideal candidate will have experience in testing data pipelines, automation frameworks, and CI/CD practices , with a focus on ensuring data integrity, accuracy, and reliability . This role requires an … first principles , ensuring that data pipelines and platform components are thoroughly tested and meet business requirements . The successful candidate will help develop automated testing frameworks, define testing standards, and validate data engineering workflows . Responsibilities The successful candidate will: Support the development and execution of a quality … execute test cases for data pipelines, ETL/ELT workflows, and data transformations . Assist in building and maintaining automated data validation and pipeline testing frameworks . Validate infrastructure and platform-level components , including CI/CD pipelines and cloud-based data services . Collaborate with data engineers, platform More ❯

data quality assurance, test automation, and validation frameworks across data engineering and platform engineering teams. The ideal candidate will have a strong background in testing data pipelines, automation frameworks, and CI/CD practices , with a passion for driving quality-first principles in data platforms. This role requires a … detail-oriented, strategic thinker who can establish testing best practices, develop automated testing frameworks, and collaborate with engineers to embed quality throughout the data development lifecycle. The successful candidate will ensure that data pipelines are robust, scalable, and meet business requirements while validating infrastructure and platform-level components … and implement a comprehensive quality assurance strategy for data engineering and platform engineering pipelines . Define, build, and maintain automated data validation and pipeline testing frameworks to ensure data reliability and accuracy. Design and execute test cases for ETL/ELT workflows, data transformations, and metadata-driven data pipelines More ❯

OOAD etc) and design principles (kiss/solid etc) Prior use of RDBMS, e.g. Oracle, MySQL or Postgres Experience in Test-Driven Development (TDD), unit testing and unit testing frameworks Strong knowledge of version control systems such as Github and associated CI/CD tooling (ideally More ❯

OOAD etc) and design principles (kiss/solid etc) Prior use of RDBMS, e.g. Oracle, MySQL or Postgres Experience in Test-Driven Development (TDD), unit testing and unit testing frameworks Strong knowledge of version control systems such as Github and associated CI/CD tooling (ideally More ❯

with advanced understanding of Global Interpreter Lock (GIL) and Threading Implement clean, type-safe code using Python type hinting, PEP-compliant standards, and robust unit testing Build performant, scalable APIs to support financial modeling and algorithmic decision-making tools Architect and implement efficient event-driven workflows, asynchronous tasks … grasp of type hinting, generators, iterators, and Pythonic loop constructs Proven ability to design RESTful APIs for high-throughput, low-latency systems Experience with unit testing, integration testing, and test automation frameworks Solid understanding of PostgreSQL, Redis, and message queues (e.g., Celery, RabbitMQ) Desirable: Exposure to containerized More ❯

with advanced understanding of Global Interpreter Lock (GIL) and Threading Implement clean, type-safe code using Python type hinting, PEP-compliant standards, and robust unit testing Build performant, scalable APIs to support financial modeling and algorithmic decision-making tools Architect and implement efficient event-driven workflows, asynchronous tasks … grasp of type hinting, generators, iterators, and Pythonic loop constructs Proven ability to design RESTful APIs for high-throughput, low-latency systems Experience with unit testing, integration testing, and test automation frameworks Solid understanding of PostgreSQL, Redis, and message queues (e.g., Celery, RabbitMQ) Desirable: Exposure to containerized More ❯

improve the overall design, always committed to delivering business value. Principal Responsibilities Passionate about engineering and creating resilient and observable systems seeking to automate testing at all levels of the build/deployment pipeline. Full stack experience though primarily Java, GraphQL, Spring Framework, and Angular 8+. Secondary focus on … and managed properly to support firm needs - coordinate your changes with others. Delivery orientated individual with team leadership experience. Qualifications/Skills Required Automated testing: Unit testing, Performance testing, Integrating tested. 5+ years of professional Angular development experience (mixed technologies). 5+ years of professional Java More ❯

code sharing and control by regularly submitting code to concurrent version system repository Mentoring - Help grow future talent by coaching and providing development opportunities Testing - Support unit testing, system testing, and acceptance testing activities Review - Review the build work for more junior members of the … role Experience writing well-documented code in Visualforce, Apex, Triggers, Lightning Experience in the complete life cycle of project development (SFDC) including Release Management Testing, and Deployment Ability to understand security concepts and solutions of components GIT experience SFDX experience Salesforce Platform Developer I & II Certification System and Data … communication, problem-solving, and organizational skills. The Salesforce Functional Lead role involves leading client presentations, gathering requirements, and designing Salesforce solutions. Responsibilities include configuration, testing, training, and mentoring junior colleagues. Key skills required are 5+ years of Salesforce project delivery, experience in Sales and Service Cloud, excellent communication, and More ❯

such as server caching, browser caching, CDN caching, database query caching, in-memory caching (like Redis and Memcached), and application caching Expertise in comprehensive testing lifecycle inclusive of Unit Testing, User Acceptance Testing, Regression Testing, and Defect Remediation. Comfortable with Agile and Waterfall development lifecycles More ❯

ideal candidate will be responsible for designing, developing, and maintaining our platform and related services. Additionally, the candidate should have a strong understanding of testing methodologies and be able to conduct their own testing to ensure the quality and functionality of our applications and a strong understanding that … Implement responsive design principles to ensure applications work on various devices and screen sizes. Develop and integrate REST, GraphQL and RPC APIs. Conduct thorough testing of applications, including unit testing, integration testing, and end-to-end testing. Debug and resolve technical issues and bugs. Be part … Experience with database management systems e.g., MySQL, PostgreSQL, MS SQL Server, MongoDB. Familiarity with Git and branching strategies such as GitOps. Solid understanding of testing frameworks and methodologies e.g. Jest, Mocha, Selenium. Ability to write and maintain unit, integration, and end-to-end tests. Ability to write and More ❯

to AWS based microservices. They hold engineering standards in high regard so if you're looking for a company with an affinity for rigorous testing processes this could suit well. There is no firm requirement for TDD experience, but Unit testing is a must. With an office … mark. To be considered: Demonstrable experience of PHP Web Development Demonstrable experience with relevant CMS frameworks (Drupal/Statamic) Experience Developing APIs Experience with Unit Testing/TDD Experience with JavaScript, HTML & CSS Knowledge of Typescript and React/Vuejs would be a benefit The company in question More ❯

to AWS based microservices. They hold engineering standards in high regard so if you're looking for a company with an affinity for rigorous testing processes this could suit well. There is no firm requirement for TDD experience, but Unit testing is a must. With an office … mark. To be considered: Demonstrable experience of PHP Web Development Demonstrable experience with relevant CMS frameworks (Drupal/Statamic) Experience Developing APIs Experience with Unit Testing/TDD Experience with JavaScript, HTML & CSS Knowledge of Typescript and React/Vuejs would be a benefit The company in question More ❯

to AWS based microservices. They hold engineering standards in high regard so if you're looking for a company with an affinity for rigorous testing processes this could suit well. There is no firm requirement for TDD experience, but Unit testing is a must. With an office … mark. To be considered: Demonstrable experience of PHP Web Development Demonstrable experience with relevant CMS frameworks (Drupal/Statamic) Experience Developing APIs Experience with Unit Testing/TDD Experience with JavaScript, HTML & CSS Knowledge of Typescript and React/Vuejs would be a benefit The company in question More ❯

to AWS based microservices. They hold engineering standards in high regard so if you're looking for a company with an affinity for rigorous testing processes this could suit well. There is no firm requirement for TDD experience, but Unit testing is a must. With an office … mark. To be considered: Demonstrable experience of PHP Web Development Demonstrable experience with relevant CMS frameworks (Drupal/Statamic) Experience Developing APIs Experience with Unit Testing/TDD Experience with JavaScript, HTML & CSS Knowledge of Typescript and React/Vuejs would be a benefit The company in question More ❯

to AWS based microservices. They hold engineering standards in high regard so if you're looking for a company with an affinity for rigorous testing processes this could suit well. There is no firm requirement for TDD experience, but Unit testing is a must. With an office … mark. To be considered: Demonstrable experience of PHP Web Development Demonstrable experience with relevant CMS frameworks (Drupal/Statamic) Experience Developing APIs Experience with Unit Testing/TDD Experience with JavaScript, HTML & CSS Knowledge of Typescript and React/Vuejs would be a benefit The company in question More ❯

to AWS based microservices. They hold engineering standards in high regard so if you're looking for a company with an affinity for rigorous testing processes this could suit well. There is no firm requirement for TDD experience, but Unit testing is a must. With an office … mark. To be considered: Demonstrable experience of PHP Web Development Demonstrable experience with relevant CMS frameworks (Drupal/Statamic) Experience Developing APIs Experience with Unit Testing/TDD Experience with JavaScript, HTML & CSS Knowledge of Typescript and React/Vuejs would be a benefit The company in question More ❯

to AWS based microservices. They hold engineering standards in high regard so if you're looking for a company with an affinity for rigorous testing processes this could suit well. There is no firm requirement for TDD experience, but Unit testing is a must. With an office … mark. To be considered: Demonstrable experience of PHP Web Development Demonstrable experience with relevant CMS frameworks (Drupal/Statamic) Experience Developing APIs Experience with Unit Testing/TDD Experience with JavaScript, HTML & CSS Knowledge of Typescript and React/Vuejs would be a benefit The company in question More ❯

to AWS based microservices. They hold engineering standards in high regard so if you're looking for a company with an affinity for rigorous testing processes this could suit well. There is no firm requirement for TDD experience, but Unit testing is a must. With an office … mark. To be considered: Demonstrable experience of PHP Web Development Demonstrable experience with relevant CMS frameworks (Drupal/Statamic) Experience Developing APIs Experience with Unit Testing/TDD Experience with JavaScript, HTML & CSS Knowledge of Typescript and React/Vuejs would be a benefit The company in question More ❯

are seeking an experienced and motivated Software Engineer to join our dynamic team working on cutting-edge space programmes. This role will involve developing, testing, and validating software solutions for space applications. KEY RESPONSIBILITIES: Develop, review, and maintain Software Requirements Specifications (SRS). Execute Requirements-Based Validation (RB Validation … processes. Create UML diagrams for system design and documentation. Write and maintain software code in languages like C++, Java, or Python. Develop and execute unit tests to validate software components. Conduct Technical Specification Validation (TS Validation) to ensure adherence to technical standards. Collaborate with cross-functional teams for seamless … Expertise in SRS, RB Validation, and NSVF management. Proficiency in UML modeling for system design. Strong coding skills in C++, Java, Python. Experience in unit testing and TS Validation. Excellent collaboration and problem-solving skills. Attention to detail and commitment to software quality. EXPERIENCE REQUIRED: Degree in Computer More ❯

emphasis on left-shifting quality into earlier stages of development Lead the design, development, and maintenance of automation frameworks using Selenium and other modern testing tools Champion a "shift-left" testing approach that integrates quality checks throughout the development process Build, mentor, and grow a high-performing QA … and automation team Collaborate with cross-functional leadership to define quality metrics and KPIs Drive continuous improvement in testing processes and automation capabilities Manage test environment infrastructure and testing tools Establish best practices for test case development, execution, and reporting Create and oversee the execution of comprehensive test … experience in QA leadership roles Proven experience building and maintaining test automation frameworks using Selenium, WebdriverIO, Playwright, or similar. Experience with Newman for API testing and automation Demonstrated success in implementing shift-left testing methodologies Strong understanding of software development methodologies (Agile, Scrum, etc.) Experience scaling QA processes More ❯

website replatform Ensure the development of high-quality, scalable, and maintainable code that meets performance, accessibility, and security standards Actively participate in code reviews, testing, and deployment processes to ensure high-quality software development practices Skills You have: Strong foundations in client-side engineering best practices, including accessibility and … alternatives in a clear and concise manner An understanding of the importance of constructive feedback to improve code quality and team performance Experience with testing strategies, including unit testing, integration testing, and end-to-end testing You might have: Experience with Vercel Experience in working More ❯

and highly performant exchange services including matching engine, customer gateways, market data, connectivity to external trading systems, etc. Deliver high quality systems that integrate testing at every development stage. Be a part of a dedicated engineering team committed to rapidly shipping, and iterating on products that directly impact millions … including multicast Interprocess Communication (shared memory, Unix/Linux queues) Performance benchmarking and tuning Extreme interest in delivering high quality software. This means that testing is embedded in the development process from the very beginning, from coding stage (unit testing), to integration testing (local and end … to end integration testing), to performance (load and capacity) testing and finally, to failure recovery testing. Software engineers are fully involved in the testing process, driving much of the testing at all stages. Experience in trading system architecture, exchange gateway connectivity (binary and FIX), market data More ❯

Overseeing data migration , ensuring accuracy and seamless integration with existing systems. Driving project success , managing timelines, risks, budgets, and delivering regular status updates. Leading testing efforts , including unit testing, system testing, and UAT. Mentoring junior consultants , sharing knowledge, and helping them grow their Salesforce expertise. What More ❯

ensure test coverage across both web and mobile applications. You'll drive QA strategy, improve our automation capabilities, and help guide our shift-left testing approach. This isn't just about finding bugs. It's about building confidence in our product, driving quality upstream, and making sure we ship … QA approaches. We're a fast-moving TransitTech business with plenty of exciting challenges-legacy code, evolving architecture, and new features that need rigorous testing across web, iOS, and Android platforms. If you thrive in an environment where you can make a real impact, we'd love to chat. … Support data-driven decision-making - using test coverage metrics, bug trends, and release health to influence quality improvements. Conduct high-value manual and exploratory testing, particularly where automation is not yet in place. Own system, integration, and E2E testing across multiple interconnected applications. Collaborate with engineers, product managers More ❯