1 to 25 of 66 Unit Testing Jobs in London

/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 ❯

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 ❯

be required to: Produce high quality increments to the team's model library - working both individually and collaboratively. Providing leadership in areas such as object modelling & interface design, automated testing & refactoring and performance optimisation. Provide support to Trading & Origination on model usage and behaviour. Leverage the teams cross-asset expertise to connect business locations, helping to identify synergies and … PhD qualification within science, computing, mathematics or other quantitative subject. Solid experience of code development in Python, including: Experience developing in an Agile environment Use of math/stats & testing libraries, as well as modern build tools. Ability to refactor code and work effectively with legacy systems. Knowledge of Object Orientation, Software Architecture and Design Patterns. Good understanding of … software testing practices (unit testing, integration testing, etc.). Knowledge of TDD and BDD is a strong plus. Experience with DevOps practices and tooling (CI/CD, containerization etc) is desirable. Familiarity with mathematical and statistical models used in finance, particularly with regards to derivatives pricing and risk management systems. Familiarity or high level of interest More ❯

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 ❯

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 ❯

Python, or Java. Familiarity with AWS services such as Lambda, API Gateway, DynamoDB, RDS, and IAM. Experience working with relational (PostgreSQL, MySQL) and NoSQL (DynamoDB, MongoDB) databases. Understanding of unit testing, integration testing, and debugging techniques. Knowledge of Git, version control, and deployment automation practices As an equal opportunities' employer, we welcome applications from individuals of all … Code (Terraform, CloudFormation, or AWS CDK). Knowledge of authentication methods such as OAuth, JWT, or AWS Cognito. Exposure to containerised applications using Docker, ECS, or Kubernetes. ABOUT BUSINESS UNIT IBM Consulting is IBM's consulting and global professional services business, with market leading capabilities in business and technology transformation. With deep expertise in many industries, we offer strategy More ❯

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 ❯

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 ❯

participate in the design workshops and involve the right stakeholders, supervise the build activities and ensure the delivery of the interfaces on time, in budget and in quality. Interfaces testing: ensure unit testing is done by the integrators and participate to the integration testing with third party applications owners Move to production and maintenance: contribute to More ❯

improve our processes and taking part in code reviews. This role requires you to collaborate closely with the Delivery team. Responsibilities All aspects of developing software including: Designing, developing, testing and deploying web applications. Coordinating with other developers and project managers. Liaising directly with customers where required. Fixing bugs, troubleshooting and resolving problems as well as proactively identifying potential … feature implementation, and to be able to own the work completed. Provide support to other developers within the team. Ensure that you follow best coding practices, documentation, code reviews, unit and integration testing throughout all software developed. Skills Good knowledge of PHP unit testing frameworks such as PHPUnit or Pest. Good knowledge of frontend frameworks such More ❯

Developer with Perl, JavaScript, API, Oracle, and Unit Testing/Integration Testing experience. 6 month initial contract. Remote (UK Based) £675/day (inside IR35) Our client is looking for a Developer with experience around Perl Scripting, JavaScript, APIs, Version Control (Git) Oracle and testing for an initial 6 month contract. You'd be working from More ❯

Developer with Perl, JavaScript, API, Oracle, and Unit Testing/Integration Testing experience. 6 month initial contract. Remote (UK Based) £675/day (inside IR35) Our client is looking for a Developer with experience around Perl Scripting, JavaScript, APIs, Version Control (Git) Oracle and testing for an initial 6 month contract. You'd be working from More ❯

Knowledge of RESTful APIs , microservices, and cloud platforms (Azure, AWS, or GCP) Familiarity with SQL and NoSQL databases Understanding of data preprocessing, feature engineering, and model deployment Experience with unit testing, CI/CD, and version control (Git) Strong problem-solving skills and attention to detail Preferred Qualifications: Experience in Natural Language Processing (NLP), computer vision, or recommendation More ❯

Knowledge of RESTful APIs , microservices, and cloud platforms (Azure, AWS, or GCP) Familiarity with SQL and NoSQL databases Understanding of data preprocessing, feature engineering, and model deployment Experience with unit testing, CI/CD, and version control (Git) Strong problem-solving skills and attention to detail Preferred Qualifications: Experience in Natural Language Processing (NLP), computer vision, or recommendation More ❯

Knowledge of RESTful APIs , microservices, and cloud platforms (Azure, AWS, or GCP) Familiarity with SQL and NoSQL databases Understanding of data preprocessing, feature engineering, and model deployment Experience with unit testing, CI/CD, and version control (Git) Strong problem-solving skills and attention to detail Preferred Qualifications: Experience in Natural Language Processing (NLP), computer vision, or recommendation More ❯

Knowledge of RESTful APIs , microservices, and cloud platforms (Azure, AWS, or GCP) Familiarity with SQL and NoSQL databases Understanding of data preprocessing, feature engineering, and model deployment Experience with unit testing, CI/CD, and version control (Git) Strong problem-solving skills and attention to detail Preferred Qualifications: Experience in Natural Language Processing (NLP), computer vision, or recommendation 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 ❯

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 ❯

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 ❯

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 ❯

deliver robust enterprise-wide solutions utilising industry standard practices Design, develop, enhance and maintain applications using agreed coding standards and quality targets. Ensure quality via code reviews and thorough unit testing. Liaise with immediate scrum team, other scrum/project teams, line manager and development lead to ensure accurate and complete delivery. Contribute to the development and implementation of More ❯

deliver robust enterprise-wide solutions utilising industry standard practices Design, develop, enhance and maintain applications using agreed coding standards and quality targets. Ensure quality via code reviews and thorough unit testing. Liaise with immediate scrum team, other scrum/project teams, line manager and development lead to ensure accurate and complete delivery. Contribute to the development and implementation of More ❯

on user stories to be implemented on PolicyCenter, ClaimCenter, BillingCentre projects. This includes estimating the development effort during sprint planning meetings (Configuration and Integration story cards) and designing, developing, unit testing, and documenting new and existing software solutions as per requirements. What will you do? Develop software solutions that are to the high performing technical standards and created … customisations to change or extend the platforms behaviour to meet requirements, where configuration is not sufficient. Development of integration services. Digital UX development. Data Analytics. Create test data and unit tests to ensure that software solutions meet requirements. Perform defect triage and fixes during System Testing and User Acceptance Testing. Ensure non-functional, security, regulatory and compliance requirements More ❯

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 ❯