Unit Testing Jobs in London

1 to 25 of 87 Unit Testing Jobs in London

Manager, Model Release and Test

london, south east england, united kingdom
Pacific Life Re
the heart of the programme and underpin the programme's success. We are seeking a highly skilled actuarial Model Release and Test Manager to lead the co-ordination of testing of our actuarial model developments over the next 12 months, to deliver high-quality results. You will be responsible for planning, communicating and monitoring all aspects of model releases … will necessitate building strong working relationships with all these stakeholders. You will have line management responsibility of a Test Analyst. To ensure success, you should possess experience in software testing, experience in project communication and a proven track record of working with testing teams in complex projects. Duties Test Management Key deliverables will include Implementation of the test … strategy and approach in line with PL Re overarching testing approach Defining detailed testing scope and test execution plans for all project test phases Test scenarios, test scripts, test data sets and testing guidelines to achieve desired test outcomes in line with test strategy and requirements traceability framework Set up and maintenance of all test activities using More ❯
Posted:

NextJs Developer - Hybrid London

London, South East, England, United Kingdom
Hybrid / WFH Options
Noir
/d - Outside IR35 - Hybrid (London) (NextJs Developer, NextJs Engineer, TypeScript Developer, React Developer, Web Developer, TypeScript, NextJs, React, React Hooks, Rest, GraphQL, SQL, NoSQL, JavaScript, SCSS, CSS, TDD, Unit Testing, Docker, Git, NextJs Developer, NextJs Engineer, TypeScript Developer, React Developer, Web Developer, Urgent) Established in the 1990s our client is one the fast growing technology brands across … Server Components. All NextJs Developer applicants must be experienced in NextJs, TypeScript and React. Experience of Rest, GraphQL, databases and SCSS/CSS is also essential, as is TDD, Unit Testing, Docker and Git. High-level JavaScript skills should be a given. Additional skills in NextJs App Router, AWS, CI/CD, Webpack, NodeJs, PostgreSQL, Jira, Contract testing … Nathan Warner at Noir Consulting ( ). (NextJs Developer, NextJs Engineer, TypeScript Developer, React Developer, Web Developer, TypeScript, NextJs, React, React Hooks, Rest, GraphQL, SQL, NoSQL, JavaScript, SCSS, CSS, TDD, Unit Testing, Docker, Git, NextJs Developer, NextJs Engineer, TypeScript Developer, React Developer, Web Developer, Urgent) NOIRUKTECHREC NOIRUKREC More ❯
Employment Type: Contractor
Rate: £400 - £450 per day
Posted:

SharePoint SPFx Developer

South East London, London, United Kingdom
Hybrid / WFH Options
Data Careers
Frontend Development Skills: JavaScript/TypeScript: Advanced knowledge of modern JavaScript and TypeScript CSS/SCSS: Styling and responsive design implementation Web Standards: HTML5, accessibility (WCAG), cross-browser compatibility Testing: Unit testing with Jest or similar frameworks Version Control: Git workflow and collaboration practices SharePoint Knowledge: Understanding of SharePoint Online architecture and security model Experience with SharePoint … with PnP JS library for SharePoint operations Additional Desirable Technical Skills: Advanced React: Hooks, context, state management, performance optimization Build Tools: Azure DevOps, GitHub Actions, CI/CD pipelines Testing: Integration testing, end-to-end testing with Playwright/Cypress Performance: Code splitting, lazy loading, bundle optimization More ❯
Employment Type: Contract, Work From Home
Rate: £500 - £550 per day
Posted:

React JS Developer or Lead

London, United Kingdom
Capgemini
solutions. Integrate APIs and handle asynchronous data using AJAX and JSON . Ensure compliance with accessibility standards and best practices. Apply Test-Driven Development (TDD) principles and write automated unit tests using mock object frameworks. Collaborate with cross-functional teams to ensure seamless integration and deployment. Utilize SCM tools like Git and Perforce for version control and collaboration. Leverage … tools such as SonarQube , Grunt/Gulp , and npm for code quality and build automation. Conduct JavaScript unit testing to ensure code reliability and maintainability. Optimize network performance and front-end load times for enhanced user experience. Your Profile Strong proficiency in JavaScript , HTML5 , CSS3 , and ReactJS . Experience with CSS preprocessors (e.g., SASS, LESS). Solid understanding … of Node.js and modern JS frameworks. Familiarity with AJAX , JSON , and RESTful APIs. Knowledge of accessibility standards (WCAG, ARIA). Experience with unit testing frameworks and TDD methodologies. Proficiency in Git , Perforce , and build tools like Grunt , Gulp , and npm . Understanding of network performance optimization techniques. About Capgemini Capgemini is a global business and technology transformation partner More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Mobile Engineer

London, United Kingdom
Skin Analytics Ltd
requirements Proficiency with CI/CD for mobile apps using tools like Fastlane or GitHub/Bitbucket Pipelines Experience managing TestFlight and Play Store deployments, including internal/beta testing tracks Experience with unit testing, integration testing, and preferably end-to-end testing using tools (e.g. Appium) Familiarity with crash reporting and performance monitoring tools More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Engineer

City of London, London, United Kingdom
Experis UK
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 ❯
Posted:

Software Engineer

London Area, United Kingdom
Experis UK
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 ❯
Posted:

Software Engineer

london, south east england, united kingdom
Experis UK
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 ❯
Posted:

Software Engineer

london (city of london), south east england, united kingdom
Experis UK
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 ❯
Posted:

Senior Java Developer

London, United Kingdom
Apexon Technology
Management and Everstone Capital, Apexon now has a global presence of 15 offices (and 10 delivery centers) across four continents.We enable Skill Set Java (11) Junit 5 React React Testing Library (Frontend Unit testing) Cypress (Frontend E2E Testing) Spring Boot (Microservice Architecture) Sybase Mongo DB Kubernatis Understanding on Cloud infra (Snowflake) Roles & Responsibilities Day to Day More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Staff Data Scientist

London, United Kingdom
Optimizely
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 ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer – IOS

london, south east england, united kingdom
Hybrid / WFH Options
News UK
XIBs/Storyboards Using Autolayout to build adaptable layouts Experience profiling iOS applications for performance and memory issues SOLID design principles Dependency management with Cocoapods and Swift Package Manager Unit testing with XCTest/Swift Testing UI automation testing with XCUITest Continuous Integration – previous experience with CircleCI would be a bonus Build automation with Fastlane If More ❯
Posted:

Java Developer

london, south east england, united kingdom
Hybrid / WFH Options
Stott and May
high-quality Java applications and microservices. Collaborate with cross-functional teams including product, UX, and QA to deliver innovative solutions. Participate in full software development lifecycle: analysis, design, development, testing, deployment, and support. Ensure code quality through unit testing, code reviews, and adherence to best practices. Troubleshoot, debug, and optimize applications for performance and scalability. Stay up More ❯
Posted:

.Net developer

London, South East, England, United Kingdom
eTeam Inc
OAuth2, JWT, Azure AD) • Knowledge of containerization (Docker) and Kubernetes/OpenShift • Experience with background job processing and scheduled tasks • Understanding of SOLID principles and clean architecture • Experience with unit testing (xUnit, FluentAssertions) and integration testing • Knowledge of CI/CD pipelines and DevOps practices (ADO) Preferred Qualifications • Experience in energy trading or financial systems • Knowledge of … and carbon credit markets • Familiarity with LCFS, RFS, or RINS regulatory frameworks • Experience with Azure cloud services • Knowledge of data processing and complex calculations • Experience with Testcontainers for integration testing Business Domain Knowledge • Understanding of biogas and renewable natural gas (RNG) markets • Knowledge of carbon credit trading and environmental attribute tracking • Familiarity with petroleum industry regulations and fuel pathway More ❯
Employment Type: Contractor
Rate: £280 - £297 per day
Posted:

Mid-Level Full-Stack Engineer (React + Go) Remote - EMEA / Engineering

London, United Kingdom
Hybrid / WFH Options
Tyk Technologies
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 ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Java Engineer

London, United Kingdom
Hybrid / WFH Options
Stott & May Professional Search Limited
high-quality Java applications and microservices. Collaborate with cross-functional teams including product, UX, and QA to deliver innovative solutions. Participate in full software development lifecycle: analysis, design, development, testing, deployment, and support. Ensure code quality through unit testing, code reviews, and adherence to best practices. Troubleshoot, debug, and optimize applications for performance and scalability. Stay up More ❯
Employment Type: Permanent, Work From Home
Salary: £80,000
Posted:

Full Stack Software Engineer (Golang/Typescript)

London Area, United Kingdom
Safe Intelligence
principles , such as load balancers, cluster DNS, autoscalers, API/SDK toolsets, and the operator pattern. Experience developing and containerizing microservice applications is a plus. Proficiency in integration and unit testing, with a strong commitment to code quality and maintainability. Strong knowledge of DevOps and Git best practices. Experience automating version control, testing, and releases, preferably with More ❯
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Full Stack Software Engineer (Golang/Typescript)

City of London, London, United Kingdom
Safe Intelligence
principles , such as load balancers, cluster DNS, autoscalers, API/SDK toolsets, and the operator pattern. Experience developing and containerizing microservice applications is a plus. Proficiency in integration and unit testing, with a strong commitment to code quality and maintainability. Strong knowledge of DevOps and Git best practices. Experience automating version control, testing, and releases, preferably with More ❯
Posted:

Full Stack Software Engineer (Golang/Typescript)

london, south east england, united kingdom
Safe Intelligence
principles , such as load balancers, cluster DNS, autoscalers, API/SDK toolsets, and the operator pattern. Experience developing and containerizing microservice applications is a plus. Proficiency in integration and unit testing, with a strong commitment to code quality and maintainability. Strong knowledge of DevOps and Git best practices. Experience automating version control, testing, and releases, preferably with More ❯
Posted:

Full Stack Software Engineer (Golang/Typescript)

london (city of london), south east england, united kingdom
Safe Intelligence
principles , such as load balancers, cluster DNS, autoscalers, API/SDK toolsets, and the operator pattern. Experience developing and containerizing microservice applications is a plus. Proficiency in integration and unit testing, with a strong commitment to code quality and maintainability. Strong knowledge of DevOps and Git best practices. Experience automating version control, testing, and releases, preferably with More ❯
Posted:

Drupal

London, United Kingdom
TeamBiz
our team? If you can handle this, just apply for right position! Drupal Job London (UK) We are looking for Drupal experts to join our ever growing Digital Delivery Unit to work on some of the largest, most innovative enterprise web projects in the UK and around the world. If you like the sound of scaling Drupal to handle … Working in a dynamic, innovative team, collaborating on solutions and experimenting with new technologies and approaches whilst maintaining high code quality through adherence to standards, team code reviews and unit testing Helping shape the growth and direction of the clients Digital Delivery team and the clients's Immediate platform, both in the UK and with other client Drupal … the globe Working with the Drupal community to contribute Drupal distributions and modules, as well as contributing to core development. Digital Solution Services The clients UK's Digital Solutions Unit (DSU) specialises in the use of leading edge technologies and agile delivery processes to develop business solutions for large private and public sector organisations. The DSU capability teams provide More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer

City, London, United Kingdom
Retelligence
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 ❯
Employment Type: Permanent
Salary: GBP 80,000 - 95,000 Annual
Posted:

Senior Software Engineer

EC2M, Bishopsgate, Greater London, United Kingdom
Retelligence
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 ❯
Employment Type: Permanent
Salary: £80000 - £95000/annum + Bonus
Posted:

Senior Software Engineer

City of London, London, United Kingdom
Espire Infolabs Limited
such as Git. Experience with the Web Content Accessibility Guidelines. Knowledge of responsive web design principles and CSS frameworks. Understanding of RESTful APIs and asynchronous data retrieval. Experience with unit testing. Strong problem-solving and debugging skills. Excellent teamwork and communication skills. Attention to detail and an eye for design and user experience. A portfolio of past projects showcasing More ❯
Employment Type: Permanent
Posted:

Front End Software Engineer (Typescript)

City of London, London, United Kingdom
Hybrid / WFH Options
Safe Intelligence
to software development on our TypeScript-based frontend systems, primarily utilizing React to craft intuitive and highly functional user interfaces. Develop simple and intuitive UI to enable workflows around testing and validating Machine Learning systems with an eye to scalability, and asynchronous interactions. Interface with Golang-based cloud backend systems, focusing on API interactions and integration. Work proficiently across … frontend polling and other async interactions patterns such as: polling/SSE/WebSockets for long-running tasks, optimistic updates, progress states, idempotent actions. Proficiency in integration, component and unit testing, with a strong commitment to code quality and maintainability. Strong knowledge of DevOps and Git best practices. Experience automating version control, testing, and releases, preferably with More ❯
Posted:
Unit Testing
London
10th Percentile
£57,500
25th Percentile
£65,000
Median
£90,000
75th Percentile
£125,000
90th Percentile
£168,000