1 to 25 of 30 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, UK
Employment Type
Full-time
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 are ready ...

Embedded Software Test Engineer

Hiring Organisation
Machnet Medical Robotics
Location
London, England, United Kingdom
directly to the verification and quality of embedded firmware running on real hardware. You will work hands on with PCBs, peripherals, and embedded software, testing firmware behaviour at unit and integration level. You will collaborate closely with firmware and mechanical engineers to ensure firmware functions correctly, reliably … line with defined requirements. Key Responsibilities Plan and execute embedded firmware testing at unit and integration level Perform embedded software unit testing to verify functionality, accuracy, and reliability of firmware components Review and verify unit tests written by developers using Google Test and Google Mock ...

Java Engineer

Hiring Organisation
Arrows
Location
London, England, United Kingdom
related frameworks Developing and maintaining RESTful APIs and event-driven systems Writing clean, testable code and following TDD principles with a strong focus on unit testing Working closely with DevOps, Product, and QA teams to deliver high-quality solutions Deploying and supporting services in AWS with tools such … cloud environments, ideally AWS Knowledge of Kubernetes and containerised systems Familiarity with CI/CD pipelines and automation tooling Strong understanding of software testing, TDD, and unit testing Comfortable working within Agile teams Clear communication skills and the ability to collaborate effectively in a hybrid setup ...

Senior Software Engineer

Hiring Organisation
Expedia Group
Location
London, UK
Employment Type
Full-time
team forward. Collaborate with teams and individuals to complete your team assignment on time, with quality. Develop and test your assigned tasks. Through unit testing implementation of sprint tasks using XUnit and/or JUnit. Develop client/server solutions with an emphasis on open source technologies. Prototype … technologies like Lambda, ECS, S3, EMR, DynamoDB, Cognito, IOT, Step Functions, EC2, API Gateways Clear understanding of developing UI as well as backend architectures Unit testing frameworks like JSUnit, Mocha, Jasmine, Jest, QUnit, Build and dependency management tools (Ant, Ivy) Should have clear understanding of Continuous Integration ...

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 ...

Senior JavaScript Engineer (FTC)

Hiring Organisation
Zebra People | B CorpTM
Location
London, UK
Employment Type
Full-time
data science ● Develop bug fixes and security patches promptly ● Collaborate and contribute to product feature planning (from a technical perspective) ● Lead implementation of testing infrastructure (Unit testing and Integration Testing) ● Lead and guide the development of our SDLC ● Able to help our customers with technical issues … following: ● 6+ years experience full-stack development ● High proficiency with Typescript, React, Next, Azure, Pulumi and Node ● Experience building secure applications ● Good experience writing unit and integration tests with tools like Mocha and Jest ● Ability to deploy and manage our back-end and front-end ● Experience using Supabase ...

Junior Software Engineer

Hiring Organisation
Morson Talent
Location
London, UK
Employment Type
Full-time
Junior ServiceNow Developer Client: Major UK Retail Organisation Platform: ServiceNow Focus: CMS, Service Portal, Front-End Development, Quality & Testing Role Overview The Junior ServiceNow Developer will support the design, development, and testing of ServiceNow CMS and Service Portal solutions within a regulated retail environment. The role is delivery … JavaScript, and ServiceNow widgets. Follow ServiceNow best practices, coding standards, and Post Office development guidelines. Support enhancements across related ServiceNow modules as required. Testing & Quality Assurance Perform unit testing for all developed components. Contribute to automated testing where applicable (ATF experience desirable). Participate in peer ...

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
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 ...

Developer

Hiring Organisation
Kennedys Law
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
define and set technical direction to achieve the deliverable. Support the Agile methodology by attending Sprint Planning, demos and retrospectives as required Conduct unit testing and assist with all testing and apply bug fixes where required Implement integrations with external systems using REAT or SOAP ...

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

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
City of London, London, United Kingdom
work with high volumes of script processing, collaborate on middleware integrations, and contribute to API development. You’ll also support deployments while writing unit tests and documenting tasks in Jira. Occasionally, you may assist with front-end components using React. This is a 6 month contract (Inside IR35) with … ensuring data integrity Experience with middleware tools, preferably AMPS Proficiency in JSON, React, REST APIs, FastAPI, Unix/Linux, OpenShift, Docker, Kubernetes Experience with unit testing and writing clear Jira tickets Excellent interpersonal communication skills Plusses: Previous experience in Bank of America Knowledge of elastic scalability and cloud ...

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 ...

Java Developer - Equities Algo Trading x2

Hiring Organisation
McGregor Boyall
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£800 - £950 per day
framework components Work closely with quantitative traders to understand and gather requirements Participate in all phases of the development cycle, including requirement gathering, coding, unit testing, patch reviewing, and providing second-level support Qualifications: Skills: Strong command of core Java APIs (Concurrency, collections) Experience with multithreaded systems, Java ...

C++ DEVELOPER - MARKET DATA - LONDON - £85K + BONUS (Hybrid Working)

Hiring Organisation
Ben Turner
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 85,000 Annual
Industry experience of developing on a Linux platform Industry experience of Python development Experience of industry-standard development methodologies such as source code control, unit testing and continuous integration Ability to self-organise and deliver a project over a period of up to a few months Strong problem ...

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 ...

Guidewire ClaimCenter Developer

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£250 - £340 per day
Partner with Business Analysts and QA teams to translate functional requirements into high-performing technical solutions. Code Quality: Participate in peer code reviews, perform unit testing, and troubleshoot complex technical issues to ensure platform stability. Mentorship: Provide technical guidance to team members and stay current with Guidewire product ...

Low level firmware engineer

Hiring Organisation
Bermondsey Electronics Ltd
Location
London, England, United Kingdom
design goals, based from the office in Bermondsey. We need a new engineer to be involved in peripheral and board bring-up. This means testing PCBs coming in from clients. Clients have occasionally tested boards but not always, and usually not fully. They might not have the skills … knowledge of embedded OS is an advantage (FreeRTOS, Zephyr, Linux/Android, ThreadX). Ability with a soldering iron is useful. Familiarity with automated testing is useful but not required (e.g. hardware-in-the-loop). If you thrive in responsive, hands-on work and enjoy solving difficult problems ...

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 ...

C++ Software Engineer

Hiring Organisation
mthree
Location
London Area, United Kingdom
architectures used in large-scale airline operations Collaborate with system architects, engineers, and aviation domain specialists to enhance FMS capabilities Perform code reviews, debugging, unit testing, and performance tuning Support the evolution of cloud-enabled and AI-driven features within the FMS ecosystem Required Skills Strong proficiency ...

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, and Curl Oracle VBCS to develop custom elements ...