1 to 25 of 79 Unit Testing Jobs in London

Software Development Engineer in Test (SDET) Hybrid Working in London - 3 Days on-site per week £90k - £120k + Benefits + Bonus Are you a skilled leader in software testing with a passion for driving quality and innovation? Our client is seeking a Lead Java SDET to oversee testing strategies, mentor a talented team, and deliver scalable, robust … services for their advanced platform. What You'll Do Lead and mentor a small team of SDETs, managing performance and hiring. Drive testing strategies with a focus on shift-left principles and automation best practices. Design and build advanced automation frameworks, tools, and comprehensive test coverage. Collaborate with developers to enhance test planning, execution, and issue resolution. Propose improvements … while maintaining shared libraries and documentation. What You Bring 8+ years of test development experience, including 2+ years leading a team. Strong expertise in Java, object-oriented principles, and unit testing frameworks (e.g., JUnit). Experience testing backend systems or APIs, with knowledge of REST, JSON, or Thrift. Bonus: Familiarity with Selenium WebDriver, Jenkins, big data technologies More ❯

agency team Accountable for the timely and technical quality delivery on Front End related elements/phases for software development projects assigned Ensuring technical implementation and delivery processes (i.e. Unit testing, Source control, Coding Standards) and technical documentation are followed, improved and continuously evolved Building reusable components and front-end libraries for future use Translating designs and wireframes … products and services, and to continually develop personal technical skills and to challenge and stretch boundaries. Skills and Competencies To have an excellent knowledge of ReactJS Good cross browser testing tools (eg. BrowserStack) Strong background in software development. Excellent knowledge of HTML5, JavaScript, CSS and SASS. Knowledge of state management frameworks (e.g. Redux, Flux, VueX, Realm) Appreciation of React … design patterns and understanding of their use Familiarity with Front end unit testing tools e.g. Jasmine, Jest, MochaJS Knowledge of task runners (Grunt, Gulp, Webpack: Gulp is preferred, MSBuild) Sitecore 9/10 development experience would be of huge benefit Bootstrap 3+ Source control - Git and Gitflow IDEs - Visual Studio Code would be advantageous JIRA, Azure Devops Agile More ❯

a team member who is responsible for coding, validating, debugging, reliability, performance analysis and the ongoing operational aspects of the product in an Agile environment Deliver quality code via unit and integration testing through a suite of automated tests To Be Successful in The Role, You Will Have Bachelor's Degree in Computer Science or related engineering field … languages: C#, NodeJS, Angular Platforms/Runtimes: Kubernetes, Docker Technologies: Microsoft Visual Studio, Azure Portal Experience using Microsoft Azure DevOps (ADO) for tracking work items, bugs, and test cases. Unit testing & automation testing These are an added plus: 1 years or more of Cloud services/SaaS using Microsoft Azure technologies SQL and NoSQL databases (MongoDB) DevOps … sex, pregnancy (including childbirth, lactation and related medical conditions), national origin, age, physical and mental disability, marital status, sexual orientation, gender identity, gender expression, genetic information (including characteristics and testing), military and veteran status, and any other characteristic protected by applicable law. We invite individuals of all backgrounds and abilities to apply. If you require assistance to optimize your More ❯

Senior Python/Django Developer - REST framework, Python unit testing London hybrid - a day a week in the office £70-85k negotiable We’re seeking a topflight Senior Backend Python/Django Developer with a strong software engineering background including 5+ years majoring in writing Backend applications using Python and Django (Rest Framework). The Senior Python … areas of product Requirements: 5+ years of experience writing Backend applications using Python and Django (Rest Framework) Good understanding of ORM (either Django or SQLAlchemy) Good understanding of Python Unit Testing frameworks and TDD practices Experience working with Cloud Infrastructure (ideally AWS) Good understanding of Git, and CI/CD Nice-to-haves: Deeper understanding of SQL Knowledge More ❯

Senior Backend Python Developer - world class healthcare tech AWS, SQL, Python unit testing, TDD, CI/CD London hybrid - a day a week in the office c£70-85k negotiable Were seeking a Senior Backend Developer with a strong software engineering background including 5+ years majoring in writing Backend applications using Python and Django (Rest Framework). … writing Backend applications using Python and Django (Rest Framework) or related frameworks, e.g. Flask, FastAPI or similar Good understanding of ORM (either Django or SQLAlchemy) Good understanding of Python Unit Testing frameworks and TDD practices Experience working with Cloud Infrastructure (ideally AWS) Good understanding of Git, and CI/CD Nice-to-haves: Deeper understanding of SQL Knowledge More ❯

Senior Python Django Developer - REST framework, Python unit testing London hybrid - a day a week in the office £70-85k negotiable Were seeking a Senior Python Developer with a strong software engineering background including 5+ years majoring in writing Backend applications using Python and Django (Rest Framework). The Senior Python Developer will be joining a top … areas of product Requirements: 5+ years of experience writing Backend applications using Python and Django (Rest Framework) Good understanding of ORM (either Django or SQLAlchemy) Good understanding of Python Unit Testing frameworks and TDD practices Experience working with Cloud Infrastructure (ideally AWS) Good understanding of Git, and CI/CD Nice-to-haves: Deeper understanding of SQL Knowledge More ❯

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 + Jenkins + … + 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 ❯

end-to-end OTC processes including order management, pricing, billing, credit management, and integration with logistics and finance. Troubleshoot system issues, identify root causes, and implement effective solutions. Support testing activities (unit testing, integration testing, UAT). Deliver documentation, knowledge transfer, and end-user support. Contribute to project milestones, ensuring timelines and quality standards are met. More ❯

Concurrency & Async - Strong understanding of coroutines and flows; nice to have RxJava. Dependency Injection - Experience with Dagger. Architecture & Patterns - Experience with MVVM or MVI, SOLID principles, and clean architecture. Testing - Unit testing with JUnit and MockK/Mockito; Compose UI testing. Version control & Collaboration - Git proficiency, code reviews, collaborative mindset. Nice to have - Custom drawing and advanced More ❯

microservices, event sourcing, serverless, CQRS ) Virtualisation and orchestration tools (e.g. VMs, Docker, Kubernetes, etc.) and infrastructure as code (e.g. Terraform, Pulumi) Test automation following Test Driven Development practices including unit testing, API testing, and end-to-end testing Working with lean and agile practices (e.g. Kanban, Scrum, etc.) Collaborating in cross-functional teams It'd be More ❯

including build, test, integration and deployment pipelines Contribute to continuous improvement of the team through participation in refinement, planning and retrospective meetings Ensure code adheres to best practices around unit testing, integration testing and security Participate in code reviews, testing, and deployment processes Troubleshoot, debug, and resolve technical issues efficiently. Work in a cross-functional team More ❯

VBCS Integrate custom applications with Oracle Cloud services (Oracle ERP, HCM, Payroll, Procurement and SCM modules) Develop application logic, workflows and business rules within the Oracle PaaS environment Perform unit testing, integration testing and support user acceptance testing to ensure the quality of applications Monitor, troubleshoot and resolve reporting issues and provide ongoing support and maintenance More ❯

Here you'll find plentiful and easy commuting routes, with central London just 15 minutes away by train. Role Description The Team: Global Risk Analytics (GRA) and Enterprise Independent Testing (EIT) are sub-lines of business within Global Risk Management (GRM). Collectively, they are responsible for developing a consistent and coherent set of models, analytical tools, and tests … capabilities. These components can be domain independent (such as generic data quality tools over billions of rows of data) or domain specific (such as classification models for surveillance or testing framework for Global Markets processes). Senior Quantitative engineers work with senior modelers, risk managers, and technologists to understand the current state and design the future state of data … size, data issues, data controls, etc. Building performant big data pipelines Use programming skills and knowledge of software development lifecycle principles to deliver high quality code for model and testing processes Collaborate with key stakeholders across the Bank to understand modelling and testing business processes and requirements Think outside the box of current industry standards to develop innovative More ❯

complex projects from conception to deployment Make high-impact technical decisions and provide guidance Establish best practices in software engineering and machine learning development Implement rigorous code quality and testing standards across data science projects Support talent acquisition and continuous learning initiatives Knowledge and Experience Knowledge of ML model development and deployment frameworks (MLFlow, Kubeflow Advanced data querying (SQL … and data engineering pipelines (Airflow Extensive experience with comprehensive unit testing, integration testing, and test coverage strategies Experience working with Product Management teams and ability to translate complex technical concepts for non-technical stakeholders Education PhD's, Master's, or Bachelor's degree in Computer Science, Machine Learning, or related field Driving Continuous Improvement Driving for Results More ❯

Senior Salesforce Tester £65k 10% bonus benefits, Fixed Term Contract (12 months) Hybrid (3 days in central London office) We are seeking a QA Tester with specific experience in testing Salesforce applications. In this role, you will develop and execute comprehensive testing strategies, collaborating closely with business stakeholders and technology teams. What you'll be doing: • Getting stuck … into testing best practices and helping others adopt them • Taking business requirements and turning them into practical test scenarios • Running the full testing cycle - from unit testing through to performance • Helping business teams create and run user acceptance tests • Tracking down bugs and working with developers • Juggling multiple test projects while keeping an eye on the … details What we're looking for: • Solid QA testing background • Real hands-on experience with Salesforce testing • Sharp analytical mind and eagle eye for detail • Team player who can work well with different departments If you've got the experience and fancy joining the team, please get your CV over to us ASAP. More ❯

processes, designs and engineering practices Get involved in the definition of product features, and in workshops with your team. What will you bring to the team? Kotlin, Android Architecture , unit testing, integration testing Integration with server-side APIs in Microservices architecture Understanding of developing software in isolated and reusable components An understanding of code design for efficiency More ❯

REST and SOAP APIs to ensure seamless data flow Code Quality: Write clean, well-documented, and efficient code, and participate in code reviews to ensure best practices are followed Testing & Deployment: Conduct unit testing, and manage deployments using Change Sets, Salesforce DX, or other deployment tools System Enhancement: Stay up-to-date with new Salesforce features and … Technical skills Proven experience in Salesforce Administration Extensive experience in Salesforce Platform Development Expertise in writing clean, testable, and maintainable code Experience with CI/CD pipelines and automated testing practices Deep understanding of agile software development methodologies Skilled in technical design and architectural patterns Familiarity with modern programming languages and frameworks relevant to the enterprise environment Ability to More ❯

and fix issues with quality pull requests that pass tests Ensure adherence to software engineering processes to avoid technical debt Adopt continuous improvement in engineering practices (CI/CD, testing, automation) Practice Test-Driven Development (TDD) where it adds clear value to ensure robust, well-tested code Mentorship & Team Player Participate in and occasionally lead code reviews, providing quality … states) Performance best practices: memoization, virtualization, code-splitting, lazy loading, minimizing re-renders; use React Profiler and browser devtools Secure frontend practices (XSS/CSRF mitigation, CSP, input sanitization) Testing with Jest and React Testing Library Understanding of modern build tooling (Vite/Webpack), bundling, and asset delivery Here's what we're looking for: Technical Skills Solid … typed backend language) Understanding of distributed systems design fundamentals and secure API design (REST and/or gRPC) Familiarity with Redis and MongoDB Experience with software engineering best practices (unit testing, code reviews, design documentation) Experience in applying SOLID principles and Test-Driven Development methodologies Professional Qualities Very organized with exceptional attention to detail Strong communication skills Passion More ❯

platform, ranging from current feature enhancements and bug fixes to full application suite deployment. Carry out agile sprint-defined development tasks to support release cycles, including execution of development, unit testing, functional testing, and overall peer review of team member work. Review design and code per sprint to ensure quality. Creation and customization of complex workflows and … Transfer sessions with Cora Orchestration Developers. Stay current with new and updated capabilities of the Cora Orchestration Platform. Coordinate upgrades to Production and Sub-Production instances. Coordinate sub-production testing, evaluation, and regression remediation. Participate in blueprinting workshops and contribute with documentation and effort estimation. Support COE in continuous development of training paths for professional advancement. Contribute to ongoing More ❯

aligning design decisions with our technical strategy and maintaining high engineering standards. Define and promote best development practices within the organization, including but not limited to code reviews and testing methodologies, shaping our development environment. Share your deep technical expertise across the organization, serving as a mentor to foster growth and knowledge transfer. Bachelor's or Master's Degree … to detail, including consideration of edge cases. Proficient in SQL and adept at integrating with a variety of data technologies. Familiarity with container platforms such as Docker. Comfortable with unit testing and Test-Driven Development (TDD) methodologies. Thorough understanding of the software development lifecycle, from conception to deployment. Capable of conceptualizing and implementing software architectures spanning multiple technologies More ❯

patterns. Experience with modern software development practices, including agile methodologies , version control, code reviews, and continuous integration. Understanding of concurrency, asynchrony, and parallelism. Experience with Test Driven Development (TDD), unit testing frameworks, mocking frameworks, and patterns for testability. Proficiency in relational database concepts, Microsoft SQL Server , and SQL . Familiarity with front-end technologies such as HTML , CSS More ❯

patterns. Experience with modern software development practices, including agile methodologies , version control, code reviews, and continuous integration. Understanding of concurrency, asynchrony, and parallelism. Experience with Test Driven Development (TDD), unit testing frameworks, mocking frameworks, and patterns for testability. Proficiency in relational database concepts, Microsoft SQL Server , and SQL . Familiarity with front-end technologies such as HTML , CSS More ❯

knowledge of best practices such as SOLID principles Experience of building new and evolving microservices with emphasis on high availability and data integrity. Highly experienced in test methodologies including unit testing with JUnit, use of TDD, integration tests and end-to-end testing, as a way to promote high quality codebases. Working with relational databases -Postgres would More ❯

Copilot (or your preferred AI coding assistant) • Work in a tight feedback loop: branch, commit, pull, test, and ship - all through Azure DevOps • Write clean, tested, production-ready code - unit testing is second nature, not an afterthought • Participate in focused sprints and daily standups - we work lean, iterate fast, and learn as we go What You ll Bring More ❯

Copilot (or your preferred AI coding assistant) Work in a tight feedback loop: branch, commit, pull, test, and ship - all through Azure DevOps Write clean, tested, production-ready code - unit testing is second nature, not an afterthought Participate in focused sprints and daily standups - we work lean, iterate fast, and learn as we go What Youll Bring to More ❯