1 to 25 of 44 Permanent Unit Testing Jobs in London

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

Essential Skills & Experience 8+ years in software development within commodities/financial services Skilled in C#, .NET Core, Angular (v17+), SQL Server, Azure, microservices, and Power BI Experience in unit testing, test automation, and Agile delivery Knowledge of market, credit, and operational risk, compliance, and trade lifecycle Proven in delivering complex risk and compliance solutions Strong leadership and More ❯

Essential Skills & Experience 8+ years in software development within commodities/financial services Skilled in C#, .NET Core, Angular (v17+), SQL Server, Azure, microservices, and Power BI Experience in unit testing, test automation, and Agile delivery Knowledge of market, credit, and operational risk, compliance, and trade lifecycle Proven in delivering complex risk and compliance solutions Strong leadership and More ❯

including computational, numerate or life sciences), or equivalent experience Cloud experience (e.g. Google Cloud and cloud run preferred) including core web application infrastructure is essential Strong skills in Python Unit testing experience (e.g. pytest) Knowledge of agile practices and able to perform in agile software development environments Strong knowledge of modern software development tools/ways of working More ❯

Deliver Level 3 support for Cash Equities trading operations, ensuring stability and incident resolution. Collaborate with front-office development teams to align on design interfaces and interrelated functionalities. Conduct unit testing and functional validation of developed code to ensure quality standards. Lead and coordinate efforts with Quality Assurance analysts to guarantee rigorous testing and validation. Ensure the More ❯

frames, data cleaning, transformation, and analysis using the Pandas library. Software Development Life Cycle (SDLC): Demonstrated experience working across all phases of the SDLC, including requirements gathering, design, development, testing, deployment, and maintenance. Familiarity with version control systems (e.g., Git) and CI/CD pipelines. Experience with unit testing and debugging Python applications Experience in Capital Markets More ❯

science, computational biology, bioinformatics, engineering, among others); OR equivalent work experience as a professional ML engineer or data scientist. Strong skills in Python, with experience in backend development and unit testing. Knowledge of generative AI, specifically Large Language Models. Knowledge of agile practices and able to perform in agile software development environments. Strong knowledge of modern software development tools More ❯

stories accurately and deliver robust, well-tested code in line with agreed timelines. Write clean, efficient Apex code and utilize Salesforce’s declarative tools to meet business needs. Conduct unit testing, document results, and contribute to system testing cycles. Maintain and enhance CI/CD pipelines using tools such as GitHub, ensuring seamless code deployment and version More ❯