1 to 25 of 405 Permanent Unit Testing Jobs in the UK

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 ❯

Oriented Design principles, Design Patterns, and Clean Code practices. Database Skills: Hands-on experience with Relational Databases (i.e., PostgreSQL/Oracle/MySQL), including writing and optimizing SQL queries. Testing: Knowledge of Unit Testing, TDD/BDD, Integration Testing, and test automation tools (i.e., JUnit/Mockito/Cucumber). Agile Methodologies: Proven ability to work More ❯

Collaborate with architects and senior engineers to design scalable solutions Take ownership of feature development and drive delivery to completion Mentor junior developers and promote best practices (code reviews, unit testing, etc.) Partner with QA to ensure robust software quality Experiment with technologies to ensure the best fit for purpose Experience Needed Essential: Strong background in C# .NET More ❯

Oriented Design principles, Design Patterns, and Clean Code practices. Database Skills: Hands-on experience with Relational Databases (i.e., PostgreSQL/Oracle/MySQL), including writing and optimizing SQL queries. Testing: Knowledge of Unit Testing, TDD/BDD, Integration Testing, and test automation tools (i.e., JUnit/Mockito/Cucumber). Agile Methodologies: Proven ability to work More ❯

and backend development. The ideal candidate will be responsible for designing, developing, and maintaining our Red101 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 ❯

/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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

architects, product owners, and other developers to translate business requirements into technical solutions Write clean, efficient, and reusable code following best practices and coding standards Participate in code reviews, unit testing, and integration testing Contribute to DevOps practices: CI/CD pipelines, containerization, and cloud deployments Troubleshoot, debug, and resolve application issues in a timely manner Ensure … design and integration Experience with Microservices architecture Familiarity with Docker , Kubernetes , and CI/CD pipelines Hands-on experience with databases such as PostgreSQL , Oracle , or MongoDB Knowledge of testing frameworks (JUnit, Mockito) Familiarity with Git, Jenkins, Maven/Gradle Good understanding of Agile methodologies (Scrum/Kanban) Excellent communication and teamwork skills Preferred (Nice to Have): Experience working 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 ❯

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 ❯

card issuing market. Collaborate with Product Managers, UX/UI Designers, Solutions Architects, and other Engineers to define requirements, create software architecture, and deliver high-quality solutions. Implement automated testing and deployment strategies to ensure reliability and efficiency in the software delivery process. Optimize applications for maximum speed, scalability, and security. Stay abreast of emerging trends and technologies in … QL Databases: MS SQL Server, Dynamo DB, MySQL, Postgres (others advantageous) ORMs: Entity Framework, Dapper Microservice Architecture, Containerisation, Event Driven Systems Cloud Services: API Gateway, k8s, Serverless (Preferably AWS) Unit Testing Using: XUnit, NUnit A Bit About Us Thredd is the trusted next-gen payments partner for innovators looking to modernise their payments offering. Certified by Mastercard, Visa More ❯

and enhance existing applications to improve performance, usability, and functionality. •Collaborate with stakeholders to gather and analyse requirements and provide technical recommendations. •Ensure code quality through best practices, including unit testing, documentation, and code reviews. •Maintain application security, scalability, and performance standards. •Troubleshoot and resolve technical issues in a timely and efficient manner. •Stay up to date with 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 ❯

role s , you'll get the chance to work with modern technologies, including microservices architectures, cloud-based infrastructure, and containerized environments. You'll play a key role in developing, testing, and optimizing back-end services that support seamless user experiences and integrate with various front-end and external systems. What will you be doing with us? Design, develop, test … you. You might be exactly what we're looking for! Software Development: Strong, hands-on commercial experience in either or both frontend of backend engineering. Test Automation: Use modern testing practices and frameworks integrated with CI/CD pipelines. Strong experience of test first development and unit testing with modern testing frameworks and tools such as … Jest, Enzyme, React Testing Library, Pact, Cypress and Playwright. DevOps: Familiarity with CI/CD and build pipelines, using tools such as Github , Harness, Jenkins, Docker, ELK, Grafana and Dynatrace. Take ownership and responsibility for the lifespan of the things you contribute to. A "you build it, you run it" attitude. ABOUT WORKING FOR US Our ambition is to More ❯

knowledgeable in our core and perspective tech: C#/.NET, Java, Spring, Backend API development, Angular, JavaScript, Bootstrap. Experience with Azure DevOps and CI/CD pipelines. Experience with Unit Testing Frameworks. Experience with test automation, e.g. Cypress Experience with API test automation, e.g. jMeter, Reqnroll. Experience working in a Scrum team using Agile methodologies. Services advertised by More ❯

knowledgeable in our core and perspective tech: C#/.NET, Java, Spring, Backend API development, Angular, JavaScript, Bootstrap. Experience with Azure DevOps and CI/CD pipelines. Experience with Unit Testing Frameworks. Experience with test automation, e.g. Cypress Experience with API test automation, e.g. jMeter, Reqnroll. Experience working in a Scrum team using Agile methodologies. Services advertised by More ❯

Azure Functions and serverless architecture Knowledge of schema-less databases such as Cosmos DB or similar Solid understanding of SOLID principles, OOP, and event-driven architecture Proficiency in Git, Unit Testing frameworks (e.g., NUnit), and API development Familiarity with CI/CD pipelines and agile methodologies Strong communication, problem-solving, and mentoring skills A mindset of continuous learning More ❯

Azure Functions and serverless architecture Knowledge of schema-less databases such as Cosmos DB or similar Solid understanding of SOLID principles, OOP, and event-driven architecture Proficiency in Git, Unit Testing frameworks (e.g., NUnit), and API development Familiarity with CI/CD pipelines and agile methodologies Strong communication, problem-solving, and mentoring skills A mindset of continuous learning More ❯

AWS CodePipeline, CodeBuild, Jenkins. Integrate monitoring and observability tools such as AWS CloudWatch, Prometheus, Grafana for infrastructure and model health tracking. Ensure software quality through Test-Driven Development (TDD), unit testing frameworks (e.g., pytest, unittest), and automated integration tests. Conduct regular code reviews, participate in pair programming, and advocate for clean code, modular design, and maintainable architecture. Collaborate More ❯