1 to 25 of 84 Permanent Unit Testing Jobs in the UK

excellent opportunity for a talented Lead Software Test Engineer, to join an award-winning & innovative tech client in Warwick. You will be responsible for testing mobile apps and embedded software, for our client’s unique range of products. You will take a lead in our software test team, guiding … team and be part of our strong development department which includes electronics hardware, embedded software and mobile & web apps. In addition to manual product testing, you will be involved in other elements of testing such as backend services which support the application, unit testing and cloud ...

excellent opportunity for a talented Lead Software Test Engineer, to join an award-winning & innovative tech client in Warwick. You will be responsible for testing mobile apps and embedded software, for our client's unique range of products. You will take a lead in our software test team, guiding … team and be part of our strong development department which includes electronics hardware, embedded software and mobile & web apps. In addition to manual product testing, you will be involved in other elements of testing such as backend services which support the application, unit testing and cloud ...

Engineer 12 month contract Based in Newcastle Upon Tyne Offering £70ph Inside IR35 Do you have experience with Java? Do you have experience with Unit Testing? Do you want to work with an industry-leading company? If the answer is yes to these, then this could … quality, readable, scalable, and easily maintained code, using Java and related technologies Develop reusable patterns and encourage innovation Contribute to quality assurance by writing unit and automated tests Conduct design and code reviews to ensure code developed meets coding best practices guidelines, unit testing, security, scalability ...

Multi-threading, concurrency and Low-latency experience Exposure to Kotlin as well as Strings, Memory Management and associated problems a plus Automated test experience, Unit testing and Integration testing An understanding of message-driven programming and messaging systems Experience with FIX and Kafka a huge plus … multi-threading, concurrency, and low-latency is essential, as well as exposure to Kotlin, Strings, Memory Management, and associated problems. Automated test experience, including unit testing and integration testing, is also required. An understanding of message-driven programming and messaging systems, along with experience ...

Tailwind), .NET/C#, SQL, RESTful/WebAPI development, Git, Headless CMS and external API integrations. CI/CD experience preferable but not required. Unit testing: Implementing unit testing as part of development best practice. Familiarity with NUnit/Jest/Playwright is advantageous … with troubleshooting systems and work collaboratively to resolve and prevent any defects, risk or issues. Manage and execute the implementation of A/B testing experiences across Sagas sites, including but not limited to coding using HTML and Javascript. CyberSecurity OWASP Top 10 The Ideal Candidate You will have ...

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 ...

best practices. Carry out code reviews and provide hands-on technical guidance to the team. Take ownership of core solutions and complex technical work. Testing & Quality Assurance Implement and maintain unit testing frameworks and standards across all developments. Lead and actively participate in User Acceptance Testing … deploying solutions on Microsoft Azure, particularly Azure Functions. Experience deploying cloud infrastructure, CI/CD pipelines, and modern development practices. Strong understanding of unit testing, release management, and UAT processes. Experience managing external development partners and assuring their work. A delivery-focused mindset with the ability to work ...

tasks by confirming objectives and specifications with the relevant stakeholders Ensure focus on Behaviour Driven Development (BDD) with special emphasis on code quality and unit testing Split requirement into manageable development features or modules for the team. Identify functional and non-functional constraints of the system and designs … tools. Experience with source control tools like Git , GitHub, BitBucket, Subversion. Experience with DevOps tools (e.g. Teamcity, Jenkins) and strategies. Experience with Unit Testing tools such as Junit 5. Experience in using coding assistant tools, Gen AI and agentic AI skills Experience with OpenAPI Specification (OAS). Exposure ...

requirements, development of user stories, and estimates; Preparing reports, manuals and other documentation on the status, operation and maintenance of software; Designing, developing, and unit testing applications in accordance with established standards; Participating in peer-reviews of solution designs and related code; Packaging and supporting deployment of releases … Framework SSAS/SSRS/Advanced Power BI JavaScript/HTML Experience of Agile/Scrum Practices Knowledge of agile development methodologies. Knowledge of unit testing theory. Solid understanding of relational database design and querying concepts. University degree in Computer Science (2:1) or a related discipline. Experience ...

requirements, development of user stories, and estimates; Preparing reports, manuals and other documentation on the status, operation and maintenance of software; Designing, developing, and unit testing applications in accordance with established standards; Participating in peer-reviews of solution designs and related code; Packaging and supporting deployment of releases … Framework SSAS/SSRS/Advanced Power BI JavaScript/HTML Experience of Agile/Scrum Practices Knowledge of agile development methodologies. Knowledge of unit testing theory. Solid understanding of relational database design and querying concepts. University degree in Computer Science (2:1) or a related discipline. Experience ...

requirements, development of user stories, and estimates; Preparing reports, manuals and other documentation on the status, operation and maintenance of software; Designing, developing, and unit testing applications in accordance with established standards; Participating in peer-reviews of solution designs and related code; Packaging and supporting deployment of releases … Framework SSAS/SSRS/Advanced Power BI JavaScript/HTML Experience of Agile/Scrum Practices Knowledge of agile development methodologies. Knowledge of unit testing theory. Solid understanding of relational database design and querying concepts. University degree in Computer Science (2:1) or a related discipline. Experience ...

this role is to: Develop software applications using C++ as the main language Write high performance code in modern C++ version 17 onwards Complete unit testing to ensure the software performs as per the design Use JIRA to report on faults The ideal candidate will have the following … experience and attributes: 4+ years software engineering experience. Coding experience in C++ Strong technical background Linux based environments Software Development/Software Engineering and unit testing Attention to detail and problem solving skills Working in a Agile based environment highly desirable Object Orientated Principles and Design patterns Experience ...

with developers to resolve issues. Our Test Engineers play a key role in for ensuring the quality and reliability of our products through rigorous testing and analysis. You will work closely with developers, product managers and other stakeholders across our business to identify and resolve issues and contribute … continuous improvement of our testing processes. Responsibilities Design, develop, and execute test plans and test cases. Identify, document, and track defects and issues. Collaborate with developers to troubleshoot and resolve issues. Perform regression testing to ensure existing functionality is not affected by new changes. Develop and maintain automated ...

collaborating with developers to resolve issues. Our Test Engineersplay a key role in for ensuring the quality and reliability of our products through rigorous testing and analysis. You will work closely with developers, product managers and other stakeholders across our business to identify and resolve issues and contribute … continuous improvement of our testing processes. Responsibilities Design, develop, and execute test plans and test cases. Identify, document, and track defects and issues. Collaborate with developers to troubleshoot and resolve issues. Perform regression testing to ensure existing functionality is not affected by new changes. Develop and maintain automated ...

collaborating with developers to resolve issues. Our Test Engineersplay a key role in for ensuring the quality and reliability of our products through rigorous testing and analysis. You will work closely with developers, product managers and other stakeholders across our business to identify and resolve issues and contribute … continuous improvement of our testing processes. Responsibilities Design, develop, and execute test plans and test cases. Identify, document, and track defects and issues. Collaborate with developers to troubleshoot and resolve issues. Perform regression testing to ensure existing functionality is not affected by new changes. Develop and maintain automated ...

with business users and analysts to clarify requirements and validate technical outputs. Support the delivery of process improvements through efficient system configuration and automation. Testing and Quality Assurance Support unit testing, system testing, and defect resolution activities. Investigate and fix issues identified during testing … architecture, tools, and integration patterns. Strong knowledge of Finance and Procurement business processes. Ability to translate functional requirements into practical technical solutions. Experience with testing, defect resolution, and deployment support. Strong problem-solving and troubleshooting abilities. Excellent communication skills with the ability to work effectively across technical and business ...

cleansing rules Ensure all migrated data meets required quality, integrity, and compliance standards Support GDPR and data protection requirements when handling personal data Testing & Reconciliation Lead unit testing, system integration testing (SIT), and user acceptance testing (UAT) of data loads Produce detailed reconciliation reports comparing … with zero critical data loss Clear, validated data mapping and transformation logic Strong stakeholder confidence in data quality and migration outcomes Smooth transition through testing, UAT, and go-live phases ...

such as Jenkins, GitHub Actions, or AWS CodePipeline. Work with containerisation technologies (Docker) and orchestration platforms (ECS/EKS). Ensure code quality through unit, integration, and automated testing. Apply secure coding practices, including OAuth2/JWT authentication and general security best practices. Collaborate with cross-functional teams … distributed systems. Familiarity with CI/CD pipelines and DevOps practices. Knowledge of Docker and container orchestration fundamentals (ECS, EKS). Experience with unit testing, integration testing, and automation frameworks. Understanding of security best practices, authentication/authorisation standards (OAuth2, JWT). Experience with SOAP/WSDL ...

like Model View Template (MVT) and Model View Controller (MVC). Ensure security and compliance through PKI and OIDC with OAuth 2.0 implementation. Automation: Unit Testing, API Testing and drive automation coverage through TDD Qualifications: At least 5+ years of experience in software development, with a focus ...

Core) ASP.NET Core APIs Entity Framework Core & Dapper (and knowing when to use each) SOLID principles & clean architecture Asynchronous programming, concurrency & performance tuning TDD, unit testing & integration testing Code quality gates & peer review discipline Secure coding practices Frontend Engineering TypeScript React Next.js Modern frontend patterns (hooks, state ...

Delivery Ownership Lead and contribute to sprint planning, backlog prioritization, and roadmap development aligned with business objectives. Develop and execute comprehensive test plans, including unit testing, system testing, and UAT. Drive end‐to‐end solution delivery, including configuration, testing, deployment, and post‐go‐live support. Play … role in Oracle upgrades, quarterly releases, and patch cycles, including regression testing and change management. Operational Excellence & Support Provide post‐implementation support, troubleshoot issues, and ensure system stability and performance. Act as a senior escalation point for complex issues, cross‐functional problem resolution, and enhancement identification. Ensure adherence ...

building strong, trusted relationships. What You’ll Be Doing Leading the technical delivery of a development team against agreed backlogs and timelines Designing, building, testing, and deploying high-quality applications using Java and React Providing day-to-day technical guidance, accountability, and mentorship to other developers Championing best practice … across coding standards, testing, CI/CD, and agile delivery Working within Scrum teams, actively contributing to sprint planning, reviews, and retrospectives Ensuring delivery meets agreed quality, functionality, and time objectives, escalating risks where needed Collaborating with TXP colleagues, customers, partners, and suppliers to meet business commitments Supporting ...

delivery Collaborating with cross-functional teams (DevOps, UX, Product, Platform) Contributing to CI/CD pipelines and modern DevOps practices Driving best practices in testing, automation, and code quality Supporting frequent releases and continuous improvement initiatives Senior Software Engineer – Key Skills Required Must hold live and active Enhanced … clearance (DV considered) Good experience in secure defence environments Strong experience with Golang development Experience across Docker & Kubernetes environments Solid understanding of TDD, unit testing, and automation frameworks Experience with relational databases (MySQL/PostgreSQL) Familiarity with Git, build tools (Maven/Gradle), and CI/CD Exposure ...

using C# and .Net technologies, in line with an agreed schedule Ensure code is testable, safe, functional, secure, performant and reliable, all proven through testing Apply software development, microservices and API design best practices, and participate in code reviews Produce relevant and high standard documentation, developer-level tests … architecture, distributed systems, and inter-service communication patterns Experience of API design principles and building performant REST APIs Understanding of development best practices – SOLID, unit testing and test driven development, mocking, code reviews, CI/CD practices Database and SQL knowledge Experience using AI-assisted development tools ...

engineers and architects Strong people leadership, mentoring, and stakeholder management skills Desirable experience: Front-end exposure (React or other JavaScript frameworks) CI/CD, unit testing (JUnit, Mockito), and TDD practices Cloud platforms such as Azure and/or AWS Pre-sales, bid support, or solution shaping experience ...