1 to 25 of 455 Unit Testing Jobs in England

using at least one of these JavaScript frameworks to create modern front-ends - React.js, Angular or Vue HTML, CSS, JavaScript (ES6) or TypeScript Webpack or Gulp A client-side Unit Testing framework e.g., Mocha or Jest Other technical skills API Management and Documentation (Swagger.io, I/O Docs) Experience with high scale, highly transactional, high performance, highly available … of the hyper-scale Cloud platforms - Microsoft Azure, Google Cloud, AWS Strong understanding and experience of quality engineering techniques including test-driven development (TDD), Behaviour-driven development (BDD), integration testing and performance testing Some experience with AI tools (one of more of) Python, LLM(Large Language models), RAG, Langchain Set Yourself apart with: Bachelor's/Master's More ❯

frontend and backend development. The 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 our customers are the ultimate … clean, maintainable, and efficient code. 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 of a support rota for … Node.js, .NET, PHP, GoLang, Rust. 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 understand design documentation using C4 More ❯

frontend and backend development. The 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 our customers are the ultimate … clean, maintainable, and efficient code. 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 of a support rota for … .NET, PHP, GoLang, Rust 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 understand design documentation using C4 More ❯

/Experience: 6+ years of professional experience in software development Recent experience developing software with .NET or .NET Framework, C#, and AWS (or other cloud service providers) Experience writing unit tests, component testing, integration testing, covering both functional and non-functional aspects Hands-on experience with Python in testing area Applying best practices to keep code … spoken and written Nice-to-Haves: Hybrid work environment with up to 2 days working from home weekly Hands-on experience with RESTful/SOAP API design, development, optimization, testing, and security Deep expertise in implementation of automated functional tests using Python Broad and in-depth understanding of software testing concepts and methodologies, including unit testing, component testing, and integration testing (covering functional and non-functional aspects). Demonstrable knowledge of ISTQB best practices. ISTQB certification is a strong asset Experience with WPF (Windows Presentation Foundation) Understanding of ASP .NET MVC and ASP .NET Web pages Understanding of airline operations, flight planning, or air navigation principles Passion for the aviation industry We offer More ❯

Job Summary: We are looking for a talented and motivated Software Engineer to join our development team. You will be responsible for designing, developing, testing, and maintaining high-quality software solutions that meet user needs and business objectives. You’ll work collaboratively with cross-functional teams to build scalable, efficient, and secure applications. Key Responsibilities: Design, code, test, and … and propose technical solutions. Write clean, efficient, and well-documented code following best practices. Debug and resolve technical issues reported in production and development environments. Participate in code reviews, unit testing, and other quality assurance activities. Maintain and improve the performance, scalability, and reliability of existing systems. Stay up to date with emerging trends and technologies in software More ❯

Experience with front-end build tools and package managers. Experience with RESTful API design and implementation. Experience with microservices architecture. Experience with relational databases (e.g., PostgreSQL). Experience with unit testing, integration testing, and end-to-end testing frameworks. Experience with containerization technologies such as Docker, Kubernetes Knowledge of modern authorization mechanisms, such as JSON Web More ❯

Requirements Software Development & Principles Programming Languages: Proficiency in one or more of: Java, Spring Boot, Python, JavaScript, TypeScript, ReactJS SOLID Principles: Familiarity with object-oriented and clean coding practices Testing & BDD Unit Testing Frameworks: Experience with Cypress, Cucumber, Behave, Selenium, or similar tools Domain-Specific Languages: Knowledge of BDD approaches (e.g., Cucumber, Gherkin) for test automation Containerisation … CD Security Integration: Familiarity with embedding security checks at every phase of the SDLC (e.g., SAST, DAST) Automation Pipelines: Experience with Continuous Integration (CI), Continuous Delivery (CD), and continuous testing tools (e.g., Jenkins, GitHub Actions) Agile & Mentorship Agile Delivery: Background in Scrum or Kanban, assisting Product Owners and shaping team objectives Mentoring: Proven track record of helping less experienced More ❯

Angular, Vue, or React) Design and develop APIs and backend logic using SQL Server and MySQL Collaborate in an Agile environment (Scrum, Sprints, Stand-Ups) Participate in code reviews, unit testing (XUnit, NUnit), and CI/CD pipelines (TeamCity) Work closely with international colleagues across engineering, DevOps and QA Skills & experience: 5+ years of Full Stack experience using More ❯

cloud environment Contribute to code quality by applying coding best practices, learning about test-first mindsets, and following security standards Actively participate in implementing various types of tests, including unit, component, and functional tests, to help ensure software reliability Assist in building and improving development processes Work collaboratively within a small agile team to deliver new features and fix …/Experience: 1+ years of professional experience in software development Recent experience developing software with .NET or .NET Framework, C#, and AWS (or other cloud service providers) Experience writing unit tests, component testing or integration testing Applying best practices to keep code maintainable Hands on experience with ASP.NET Web API Experience working with databases and understanding of … Entity Framework Bachelor's Degree in software engineering or a related field Good spoken and written English skills Nice-to-Haves: Hands-on experience with Python in testing area Hands-on experience with RESTful/SOAP API design, development, optimization, testing, and security Solid understanding of DevOps practices, including CI/CD pipelines (e.g., GitHub Actions, GitLab CI More ❯

to, the skills and tech stack for Software Development around: Web and Mobile Frontends Vue.js, TypeScript HTML, CSS/SASS SPA, Micro frontends UX, Responsive Design, Accessibility Design Systems Unit testing, Functional testing Responsibilities: Extend existing infrastructure/architecture or propose new infrastructure/architecture to support new features Propose architecture design changes to ease implementation/… improve product behavior Coding, testing, documenting and debugging assigned development tasks to meet acceptance criteria Set standards for team members code submissions Propose changes at design level to make product testable Guides unit/feature testing creation on existing functions as well as new code Implement product features with limited specifications through engagement with stakeholders Provides technical … a positive atmosphere, and championing team spirit Bachelor of Science in Computer Science, or equivalent Nice-to-Haves: Hands-on experience with RESTful/SOAP API design, development, optimization, testing, and security Deep expertise in implementation of automated functional tests using Python Broad and in-depth understanding of software testing concepts and methodologies, including unit testing More ❯

implementing proactive solutions. Excellent interpersonal and communication skills with employees at all levels and good written English. Technical skills: Must Frontend: HTML, CSS JavaScript (ES2020+), TypeScript SolidJS or React Unit-testing (Vitest/Jest/similar) End-to-end testing (Cypress/Playwright/similar) Backend : RESTful APIs Node.js SQL and/or NoSQL databases Unit-testing Integration testing Infrastructure: Vercel (or similar) AWS (S3, Lambda, ECS, SQS). Recommended Astro Tailwind CSS GraphQL Figma Web accessibility JS and CSS animations State management libraries Express.js Bonus points: Experience with ecommerce platforms (Shopify or equivalent), headless CMSs and analytics tools integration (GTM, GA). Understanding of the ecommerce order lifecycle (order creation, shipping, promo More ❯

implementing proactive solutions. Excellent interpersonal and communication skills with employees at all levels and good written English. Technical skills: Must Frontend: HTML, CSS JavaScript (ES2020+), TypeScript SolidJS or React Unit-testing (Vitest/Jest/similar) End-to-end testing (Cypress/Playwright/similar) Backend : RESTful APIs Node.js SQL and/or NoSQL databases Unit-testing Integration testing Infrastructure: Vercel (or similar) AWS (S3, Lambda, ECS, SQS). Recommended Astro Tailwind CSS GraphQL Figma Web accessibility JS and CSS animations State management libraries Express.js Bonus points: Experience with ecommerce platforms (Shopify or equivalent), headless CMSs and analytics tools integration (GTM, GA). Understanding of the ecommerce order lifecycle (order creation, shipping, promo More ❯

of APIs with other services. Write clean, well-designed, and reusable code. Test your code on an appropriate level and cooperate with the Developers in Test in creation of testing frameworks Acknowledge and be able to explain the tradeoffs with any technical decision. Take part in specification workshops where we define functional and non-functional characteristics of our systems … over a range of interfaces. You understand how the web works, REST APIs, OpenAPI spec/Swagger, GraphQL, and the difference between REST and RPCs. You understand TDD, BDD, unit testing, integration testing and when to use them. You are familiar with trunk-based development in git. Experience with back-end web application frameworks (Django, FastAPI, etc More ❯

and delivering complex requirements to accomplish business goals. Key responsibilities of the job include ensuring that software is developed to meet functional, non-functional and compliance requirements, coding solutions, unit testing, and ensuring the solution can be integrated successfully into the overall application/system with clear, robust, and well-tested interfaces. Job expectations include an awareness of … development and testing practices in the industry. Responsibilities: Codes solutions and unit test to deliver a requirement/story per the defined acceptance criteria and compliance requirements Utilizes multiple architectural components (across data, application, business) in design and development of client requirements Performs Continuous Integration and Continuous Development (CI-CD) activities Contributes to story refinement and definition of … and delivering complex requirements to accomplish business goals. Key responsibilities of the job include ensuring that software is developed to meet functional, non-functional and compliance requirements, coding solutions, unit testing, and ensuring the solution can be integrated successfully into the overall application/system with clear, robust, and well-tested interfaces. Job expectations include an awareness of More ❯

and MySQL and caching mechanisms 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 for project deliveries Experience with More ❯

quickly learn and adapt to new technologies. Preferred Skills: Experience with Cloud platforms (e.g., Azure, AWS). Familiarity with Docker and containerization. Experience with Microservices architecture . Knowledge of unit testing frameworks and test-driven development (TDD). Experience working in an Agile/Scrum environment More ❯

quickly learn and adapt to new technologies. Preferred Skills: Experience with Cloud platforms (e.g., Azure, AWS). Familiarity with Docker and containerization. Experience with Microservices architecture . Knowledge of unit testing frameworks and test-driven development (TDD). Experience working in an Agile/Scrum environment More ❯

scalability. Stay up to date with best practices in modern front-end development, UX/UI trends, and web performance optimization. Contribute to system documentation, including design specifications and unit testing. Operational Excellence Demonstrate professionalism in all interactions with stakeholders and third parties. Provide timely responses to requests from management, the business, and IT teams. Foster a collaborative technical … tools and module bundlers (Webpack, Vite, Parcel, etc.). Knowledge of performance optimization techniques for web applications. Understanding of SEO best practices for modern front-end development. Experience with testing frameworks (Jest, Mocha, Cypress, Playwright). Strong problem-solving and analytical skills. Ability to work in an Agile/Scrum environment and collaborate across teams. Strong communication and documentation More ❯

. Strong SQL Server skillset, including T-SQL. Experience of building solutions incorporating NoSQL Databases such as Redis, MongoDB, AWS DynamoDB, or Azure Cosmos DB. Experience of TDD and Unit Testing Frameworks, such as MSTest or NUnit. Git Source Control, with GitHub or Azure DevOps Services. Open API/REST API exposure. Demonstrated capacity to clearly and concisely More ❯

to our customers. You are a self-starter, part of an empowered agile team working on our risk product portfolio. You will be responsible for analyzing, defining, designing, implementing, testing, maintaining, and supporting the Risk products, either individually or leading a small team of engineers. You will collaborate closely with QA engineers to ensure high standards of quality. While … is in software development, your curiosity, eagerness to learn, and passion for technology will enable you to succeed. Quality is non-negotiable; therefore, a strong focus on code quality, unit testing, and automated testing is essential. Mentoring junior team members and working with management to enhance team skills are also key aspects of this role. Main Responsibilities … with strong Python skills and willingness to cross-train. Understanding of other programming languages and practical application skills. Solid grasp of object-oriented programming and design patterns. Experience with unit testing, databases, SQL, and secure coding practices. Proficiency with cloud technologies, preferably AWS, and willingness to learn AWS fundamentals. Excellent verbal and written communication skills. Ability to write More ❯

scalable software solutions using Java and AWS. Collaborate with stakeholders to gather requirements and translate them into technical solutions. Contribute to the full software development lifecycle, including design, development, testing, and deployment. Optimize applications for maximum speed and scalability. Ensure code quality through peer reviews, unit testing, and adherence to best practices. Troubleshoot, debug, and resolve technical More ❯

scalable software solutions using Java and AWS. Collaborate with stakeholders to gather requirements and translate them into technical solutions. Contribute to the full software development lifecycle, including design, development, testing, and deployment. Optimize applications for maximum speed and scalability. Ensure code quality through peer reviews, unit testing, and adherence to best practices. Troubleshoot, debug, and resolve technical More ❯

volume, low-latency trading platform supporting the global IB Syndicate business. Key Skills and Experience: Extensive front-end and back-end skills: HTML, CSS, JavaScript, React JS, Redux, Node, testing frameworks (e.g., Jest), Java, Spring Boot, JPA, Hibernate, JUnit, Mockito, microservices. Strong SQL experience (MS SQL preferred), cloud technologies, messaging tools, and DevOps tools: Jira, Bitbucket, Nexus, Confluence, SonarQube … Veracode, GitLab, Maven, NPM. Experience with test-driven development and CI/CD, automated testing platforms (e.g., Cucumber, Selenium). Leadership in agile software development, including design, implementation, and deployment. Decision-making that influences product design, application functionality, and technical operations. Additional Valued Skills: Degree in Computer Science or equivalent, with knowledge of Object-Oriented Design and Data Structures. … alignment with business objectives. Participate in code reviews and promote technical excellence. Stay updated with industry trends and contribute to technology communities. Follow secure coding practices and implement comprehensive unit testing. Leadership and Management Expectations: Contribute to strategy, requirements, and policy development; manage resources and budgets. If managing teams, define roles, plan for future needs, and oversee performance and More ❯

to deliver high-quality software solutions. Mentor and support junior and mid-level developers, ensuring their professional growth and alignment with team goals. Maintain team processes for code reviews, testing, and task breakdown. Process Improvement: Advocate for and implement best practices in TDD, CI/CD, and Software Design Principles. Work closely with the Leader, Product Owner and stakeholders … to define technical objectives and timelines. Ensure high code quality and maintainability through testing frameworks, code reviews, and documentation. Strategic Contributions: Drive innovation and continuous improvement within the development team. Work with the wider engineering and product teams to align technical efforts with business goals. Additional Responsibilities: Act as a subject matter expert in software development, providing guidance to … Symfony, Laravel and NodeJS frameworks. Proven experience with monolithic and microservices architectures. Advanced knowledge of MySQL, including complex database design and reporting. Strong experience with Test-Driven Development (TDD), unit testing, functional testing, and integration testing. Proficiency in API creation and integrating with 3rd-party APIs. Hands-on experience with Docker and CI/CD pipelines. Practical More ❯

Development Plans (PDPs). Mentor and support junior and mid-level developers, ensuring their professional growth and alignment with team goals. Establish and maintain team processes for code reviews, testing , and task breakdown . Process Improvement: Advocate for and implement best practices in TDD, CI/CD , and Software Design Principles . Work closely with the Product Owner and … stakeholders to define technical objectives and timelines. Ensure high code quality and maintainability through testing frameworks, code reviews , and documentation . Agile Practices: Act as a key contributor in refining the Agile processes to improve team productivity and delivery outcomes. Collaborate with the team and Product Owner to define and manage the product backlog effectively. Strategic Contributions: Drive innovation … NodeJS frameworks like Express Proven experience with monolithic and microservices architectures. Advanced knowledge of MySQL , including complex database design and reporting . Strong experience with Test-Driven Development (TDD) , unit testing, functional testing , and integration testing . Proficiency in API creation and integrating with 3rd-party APIs. Hands-on experience with Docker and CI/CD More ❯