1 to 25 of 29 Unit Testing Jobs in London

Software Test and Validation Engineer

Hiring Organisation
Insignis
Location
Greenwich, London, United Kingdom
Employment Type
Temporary
develop and execute comprehensive test programmes, perform system-level tests, and provide detailed feedback to support product improvements. Key Responsibilities: Independently plan and execute unit testing and system integration testing . Perform embedded software unit testing to verify functionality, accuracy, and reliability of individual components … Conduct software integration testing , verifying interactions between software, hardware components, subsystems, and external interfaces. Suggest simulation or emulation techniques to improve system-level testing. Recommend and implement automated testing frameworks and tools to optimise processes, improve productivity, and ensure consistent results. Support the software release process , ensuring builds ...

Software Test and Validation Engineer

Hiring Organisation
Insignis Talent
Location
London Area, United Kingdom
develop and execute comprehensive test programmes, perform system-level tests, and provide detailed feedback to support product improvements. Key Responsibilities: Independently plan and execute unit testing and system integration testing . Perform embedded software unit testing to verify functionality, accuracy, and reliability of individual components. … Conduct software integration testing , verifying interactions between software, hardware components, subsystems, and external interfaces. Suggest simulation or emulation techniques to improve system-level testing. Recommend and implement automated testing frameworks and tools to optimise processes, improve productivity, and ensure consistent results. Support the software release process , ensuring builds ...

Software Test and Validation Engineer

Hiring Organisation
Insignis Talent
Location
City of London, London, United Kingdom
develop and execute comprehensive test programmes, perform system-level tests, and provide detailed feedback to support product improvements. Key Responsibilities: Independently plan and execute unit testing and system integration testing . Perform embedded software unit testing to verify functionality, accuracy, and reliability of individual components. … Conduct software integration testing , verifying interactions between software, hardware components, subsystems, and external interfaces. Suggest simulation or emulation techniques to improve system-level testing. Recommend and implement automated testing frameworks and tools to optimise processes, improve productivity, and ensure consistent results. Support the software release process , ensuring builds ...

C++ Software Developer - Fully REMOTE

Hiring Organisation
DMS Computer Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £75,000 per annum
responsibilities of the position include: Develop standalone applications and plug-ins in C++ 20 Use libraries such as Boost.Asio for asynchronous TCP sockets Write unit tests, end-to-end tests, and stress tests Communicate with the team to identify business requirements Understand business requirements and develop systems/features … knowledge and an active interest in object-oriented principles, practices, and design patterns Willingness to work with and learn modern C++, asynchronous programming, and unit testing Excellent problem-solving and troubleshooting skills Outstanding communication and interpersonal skills, including the ability to describe software designs at any technical knowledge ...

Full Stack Engineer (Front End & Application experience) React + Typescript

Hiring Organisation
Deltabase
Location
London, UK
Employment Type
Full-time
work primarily in React + TypeScript, translating designs into high-quality UI, building data-rich experiences, managing client-side state, and contributing to testing practices that protect key user flows. We're looking for someone who enjoys high ownership, moves fast with quality, and works closely with design … application as it scales. Help ensure the product remains fast and intuitive as we add new features and user needs grow. Quality, Testing, and Reliability Write high-quality, maintainable code with strong attention to usability and edge cases. Contribute to testing practices that protect critical user flows ...

Guidewire Consultant(Technical)

Hiring Organisation
IBU
Location
Greater London, England, United Kingdom
Familiarity with infrastructure and deployment architectures (WMB, WAS, Apache). Strong understanding of software architecture and design within the Guidewire ecosystem. Experience enforcing the testing pyramid , including: Unit testing (GUnit) API and integration testing Targeted UI regression testing Proven experience implementing automated regression testing ...

Senior .NET Developer

Hiring Organisation
Avanti
Location
East London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £100,000 per annum
will be involved in: Developing and enhancing applications using C#, MVC, Entity Framework and SQL Server Building new features and improving existing functionality Writing unit and integration tests Working with JavaScript and modern frameworks such as Vue Designing and implementing database schema updates Supporting ongoing migration to newer technologies … 6+ SQL Server, T-SQL and schema design JavaScript, jQuery, AJAX, HTML5, CSS3 Understanding of design patterns and SOLID principles Experience with TDD and unit testing frameworks (eg. NUnit) Azure Cloud or similar Azure Service bus or similar Desirable: ASP.NET Core Vue or similar JavaScript frameworks Scrum/ ...

Senior Software Development Engineer Test

Hiring Organisation
La Fosse
Location
City of London, London, United Kingdom
annum - Largely remote - 1 UK office visit per month A key client is looking to add a senior SDET with strong API testing experience. You will be joining a new teams and working on a brand new greenfield platform build, working on an exciting new app first feature. … large amount of focus and work in this position will initially be focused on testing in API’s, developing and maintaining automated API's and end-to-end test suites; validating interactions across multiple distributed services. You will be comfortable with paired programming and well versed in agile software ...

Senior Software Development Engineer Test

Hiring Organisation
La Fosse
Location
London Area, United Kingdom
annum - Largely remote - 1 UK office visit per month A key client is looking to add a senior SDET with strong API testing experience. You will be joining a new teams and working on a brand new greenfield platform build, working on an exciting new app first feature. … large amount of focus and work in this position will initially be focused on testing in API’s, developing and maintaining automated API's and end-to-end test suites; validating interactions across multiple distributed services. You will be comfortable with paired programming and well versed in agile software ...

Senior Full Stack Engineer (Golang/Typescript/Kubernetes)

Hiring Organisation
Safe Intelligence
Location
London Area, United Kingdom
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 ...

Senior Full Stack Engineer (Golang/Typescript/Kubernetes)

Hiring Organisation
Safe Intelligence
Location
City of London, London, United Kingdom
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 ...

Python/ AI Developer

Hiring Organisation
FDM Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£55,000 - £75,000 per annum
Service, storage, databases, and security tooling. • Implement CI/CD pipelines and container-based deployments to support automated, consistent release processes. • Write comprehensive unit tests and ensure strong code quality using tools such as pytest, pylint, flake8, and black. • Implement logging, telemetry, and monitoring to ensure high performance, reliability … Functions, App Service, Blob Storage, Cosmos DB, SQL Database, Key Vault), containerisation, package deployments, CI/CD pipelines, and Infrastructure as Code (Bicep). Testing & Code Quality: Proficient in unit testing (pytest, unittest), mocking, and code quality tools (pylint, flake8, black). Logging & Monitoring: Implement logging/ ...

Full Stack Developer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
Uxbridge, Middlesex, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
user interfaces using Tailwind CSS. Collaborate with backend engineers to design, integrate, and test FastAPI. Develop and maintain backend components in Python, ensuring robust unit testing practices using Gherkin language, Cucumber, and Playwright. Deploy and manage applications on AWS cloud infrastructure. Ensure the scalability, performance, and security … with Tailwind CSS. Hands-on experience with AWS services (EC2, S3, Lambda, RDS, etc.). Experience developing backend components using Python and implementing unit tests (pytest). Experience working in a Scrum Agile environment. Familiarity with version control systems, particularly Git. Strong problem-solving and analytical skills. Excellent communication ...

Python Developer (Timeseries/Data package)

Hiring Organisation
iXceed Solutions
Location
London Area, United Kingdom
Handling missing values, grouping, merging, pivoting, aggregations, and SQL Software Engineering Best Practices i. Key practices: Version control with Git. Writing modular, reusable code. Unit testing (e.g., with pytest). Code documentation and docstrings. Using linters and formatters Plotly Dash i. Key skills: Customizing with Plotly Graph Objects ...

Python Developer (Timeseries/Data package)

Hiring Organisation
iXceed Solutions
Location
City of London, London, United Kingdom
Handling missing values, grouping, merging, pivoting, aggregations, and SQL Software Engineering Best Practices i. Key practices: Version control with Git. Writing modular, reusable code. Unit testing (e.g., with pytest). Code documentation and docstrings. Using linters and formatters Plotly Dash i. Key skills: Customizing with Plotly Graph Objects ...

Python Developer

Hiring Organisation
Hirexa Solutions UK
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£350 - £400 per day
Handling missing values, grouping, merging, pivoting, aggregations, and SQL Software Engineering Best Practices i. Key practices: Version control with Git. Writing modular, reusable code. Unit testing (e.g., with pytest). Code documentation and docstrings. Using linters and formatters Plotly Dash i. Key skills: Customizing with Plotly Graph Objects ...

Python Developer

Hiring Organisation
Insight Global
Location
London Area, United Kingdom
ideally AMPS), and contribute to API development using FastAPI. You’ll also support deployments on Unix/Linux, OpenShift, Docker, and Kubernetes, while writing unit tests and documenting tasks in Jira. Occasionally, you may assist with front-end components using React. Must-Haves 4+ years of Python development experience. … schedule scripts and ensure data integrity. Proficiency in: JSON and data manipulation React REST APIs, FastAPI Unix/Linux OpenShift, Docker, Kubernetes Experience with unit testing and writing clear Jira tickets. Plusses Previous experience in Bank of America Knowledge of elastic scalability and cloud concepts. Familiarity with Gherkin ...

Python Developer

Hiring Organisation
Insight Global
Location
City of London, London, United Kingdom
ideally AMPS), and contribute to API development using FastAPI. You’ll also support deployments on Unix/Linux, OpenShift, Docker, and Kubernetes, while writing unit tests and documenting tasks in Jira. Occasionally, you may assist with front-end components using React. Must-Haves 4+ years of Python development experience. … schedule scripts and ensure data integrity. Proficiency in: JSON and data manipulation React REST APIs, FastAPI Unix/Linux OpenShift, Docker, Kubernetes Experience with unit testing and writing clear Jira tickets. Plusses Previous experience in Bank of America Knowledge of elastic scalability and cloud concepts. Familiarity with Gherkin ...

Senior SalesForce Developer - Service Cloud - Experience Cloud - Apex - LWC - SOQL

Hiring Organisation
Nexere Consulting Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 75,000 - 90,000 Annual
solutions. Build and configure functionality across Service Cloud and Marketing Cloud. Write clean Apex code and use declarative tools to meet business needs. Complete unit testing, documentation, and support system testing. Collaboration & Stakeholder Engagement Work with Product Owners and Business Analysts to translate requirements into effective solutions. Participate ...

AVP - Risk Platform .Net Developer

Hiring Organisation
Barclays Bank PLC
Location
Tower Hamlets, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
technical excellence and growth. Adherence to secure coding practices to mitigate vulnerabilities, protect sensitive data, and ensure secure software solutions. Implementation of effective unit testing practices to ensure proper code design, readability, and reliability. Assistant Vice President Expectations To advise and influence decision making, contribute to policy development ...

AVP - Risk Platform .Net Developer

Hiring Organisation
Barclays Bank Plc
Location
Poplar, Greater London, UK
Employment Type
Full-time
technical excellence and growth. Adherence to secure coding practices to mitigate vulnerabilities, protect sensitive data, and ensure secure software solutions. Implementation of effective unit testing practices to ensure proper code design, readability, and reliability. Assistant Vice President Expectations To advise and influence decision making, contribute to policy development ...

C++ Developer

Hiring Organisation
Harrington Starr
Location
London Area, United Kingdom
experience with large data volumes Experience with working with functioning, well-tested systems. Experience of industry-standard development methodologies such as source code control, unit testing and continuous integration. This is an opportunity for a Software Engineer to join an award winning, cutting-edge FinTech where you will ...

C++ Developer

Hiring Organisation
Harrington Starr
Location
City of London, London, United Kingdom
experience with large data volumes Experience with working with functioning, well-tested systems. Experience of industry-standard development methodologies such as source code control, unit testing and continuous integration. This is an opportunity for a Software Engineer to join an award winning, cutting-edge FinTech where you will ...

Oracle Cloud Integrations Specialist

Hiring Organisation
Solos Consultants Ltd
Location
South West London, London, United Kingdom
Employment Type
Contract
development experience. 2+ years hands-on experience with Oracle Integration Cloud (OIC) . Experience with Oracle Fusion Cloud . Strong capability in integration development & unit testing (SOAP/REST/JSON), using tools such as Postman and Curl. Oracle VBCS experience for custom application development. Experience working with ...

Infrastructure Design Engineer

Hiring Organisation
Indotronix Avani UK Ltd
Location
South West London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 per day
Mandatory Skills: 3+ years of Development Experience 2+ years of Oracle Integration Cloud (OIC) 2 years Oracle Fusion Cloud Experience Hands-on with development & unit testing of integration components & web services (SOAP/REST/JSON Payload) using OIC, Postman, Curl Oracle VBCS to develop custom elements ...