1 to 25 of 38 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 ...

Graduate Software Test and Development Engineer

Hiring Organisation
Insignis
Location
Greenwich, London, United Kingdom
Employment Type
Temporary
Salary
£25000 - £34000/annum
closely with software developers, test engineers, and the wider product development team to: Develop and test software used to control power systems Carry out unit testing, integration testing, and system-level testing Help verify that software operates within defined safety and design limits Produce clear test … evidence and compliance reports Identify bugs, unexpected behaviour, and opportunities for improvement This is a hands-on role that blends software development, testing, and real-world system understanding. What You'll Be Learning & Doing With support from experienced engineers, you will: Plan and execute test cases alongside a Software ...

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 ...

IOS Software Engineer

Hiring Organisation
Caresoft Global Ltd
Location
Stratford, London, England, United Kingdom
Employment Type
Contractor
Contract Rate
£76.50 - £85.50 per hour
effectively in a reasonably large, evolving codebase as part of an overall iOS team of around 9 engineers Engineering Excellence: Contribute to code reviews, testing practices, and continuous improvement. Experience Required: Qualifications and Skills Essential: iOS Engineering: Strong experience with Swift, including building and maintaining production iOS apps. … Frameworks: Deep experience designing and implementing UIs with SwiftUI. Architecture: Experience with modern iOS architecture patterns and dependency management strategies. Testing: A strong testing mindset, including unit testing and snapshot testing, with an emphasis on maintainable, reliable code. Our Tech Stack - Native mobile app written ...

Salesforce & React Native Developers - London

Hiring Organisation
Atrium Workforce Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Temporary
Salary
£450 - £550 per day
/3 days remote, PAYE/Umbrella options. Salesforce & ReactNative - Salesforce and .or ReactNative (Web), Java, TDD, RESTful API design & build, OAS/YAML, Unit Testing, GitLab, CI/CD Pipelines, SonarQube, Veracode, Jira, Confluence Open Stack BA - Salesforce, ReactNative (Web), Java, TDD, RESTful API design & build …/YAML, Unit Testing, GitLab, CI/CD Pipelines, Jira, Confluence API Developer - Java, TDD, RESTful API design & build, OAS/YAML, GitLab, CI/CD Pipelines, Java Database-Hibernate/JPA, SonarQube, Veracode, Jira, Confluence Click Apply now or contact Lianne to be considered for the Salesforce ...

Open Stack, Salesforce & React Native Specialists - London Atrium EME

Hiring Organisation
Atrium Global
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £550 per day
days remote, PAYE/Umbrella options. Open Stack/Salesforce & ReactNative - Salesforce, ReactNative (Web), Java, TDD, RESTful API design & build, OAS/YAML, Unit Testing, GitLab, CI/CD Pipelines, SonarQube, Veracode, Jira, Confluence Open Stack BA - Salesforce, ReactNative (Web), Java, TDD, RESTful API design & build, OAS/… YAML, Unit Testing, GitLab, CI/CD Pipelines, Jira, Confluence API Developer - Java, TDD, RESTful API design & build, OAS/YAML, GitLab, CI/CD Pipelines, Java Database-Hibernate/JPA, SonarQube, Veracode, Jira, Confluence Click Apply now or contact Lianne to be considered for the Open Stack ...

IOS Developer, IOS Software Engineer

Hiring Organisation
PeopleWorks Consultancy Limited
Location
East London, London, United Kingdom
Employment Type
Contract
Contract Rate
£505 per day Inside IR35
effectively in a reasonably large, evolving codebase as part of an overall iOS team of around 9 engineers > Engineering Excellence: Contribute to code reviews, testing practices, and continuous improvement. Essential Skills & Experience IOS Software Engineer will have: > IOS Engineering: Strong experience with Swift, including building and maintaining production … apps. > UI Frameworks: Deep experience designing and implementing UIs with SwiftUI. > Architecture: Experience with modern iOS architecture patterns and dependency management strategies. > Testing: A strong testing mind-set, including unit testing and snapshot testing, with an emphasis on maintainable, reliable code. Experience Preferred: IOS Software ...

eFX Developer - Director - Investment Banking

Hiring Organisation
Nicoll Curtin Technology
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
directly from the Front Office FX desk. Ensuring delivery aligns with agreed-upon requirements through an agile process, following ISD standards for Documentation, System Testing, User Acceptance testing, and Change Control. Maintaining open communication with technical architects within ISD to leverage reusable software for efficient time-to-market. … Language - C++/Java/Python/Rust/C# FX Financial Markets Low-Latency Market Data Multi-Threading No-SQL/SQL Unit Testing/TDD/Automated Testing Strong Database Knowledge Kafka This is a Full time position, offering a highly competitive salary, a strong ...

SuccessFactors Solution Architect

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £500 to £550 per day
design workshops, involve the right stakeholders, supervise build activities, and ensure delivery of interfaces on time, within budget, and to quality standards Interface Testing: Ensure unit testing is completed by integrators and participate in integration testing with third-party application owners Move to Production and Maintenance ...

Workday Functional Analyst (Absence & Time Tracking)

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £500 to £600 per day
requirements into system configurations. Provide ongoing support to end-users, troubleshoot issues, and deliver training and user support materials as needed. Conduct/support testing and validation of system changes, including unit testing, integration testing, and user acceptance testing. ...

Software Engineer (III)

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£50 - £51 per hour
recommend a solution that includes both the short-term and long-term needs. Responsibilities include: - Write product or system development code without supervision, conduct testing beyond unit testing (e.g. integration, performance, stress, security, load, fuzz), design code to allow for easy testing and write test case … tech debt with high carrying costs. Implement or guide remedies to improve long-term maintainability, modifiability, etc. Managers also oversee their team's coding, testing, and reviewing. - Take ownership of rolling out a project to completion, contributing to qualification, end-user documentation, production deployment/monitoring, process automation ...

.Net Developer

Hiring Organisation
Wave Talent
Location
City of London, London, United Kingdom
building and consuming REST APIs Solid understanding of object-oriented design and software engineering principles Experience with SQL Server and relational databases Familiarity with unit testing frameworks (e.g. xUnit, NUnit, MSTest) Experience working in Agile delivery environments Comfortable working as a contractor in a delivery-focused role Nice ...

Senior IOS Software Engineer

Hiring Organisation
ARM
Location
Stratford, London, United Kingdom
Employment Type
Contract
Contract Rate
£473 - £503/day Inside IR35
codebase - Participate in code reviews and continuous improvement Essential Skills & Experience - Strong Swift experience in production apps - SwiftUI and UIKit - Modern iOS architecture patterns - Unit testing and snapshot testing mindset Tech Stack - Swift - SwiftUI, UIKit, Combine, async/await - XCTest/Swift Testing, Snapshot & UI Tests ...

Data Architect

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
From £450 to £500 per day
Supporting feature teams across the lab in optimizing FinOps for live workloads Developing and deploying data pipelines using various GCP services Implementing TDD for unit testing and DBB for functional testing Reviewing and creating FinOps dashboards for the lab Creating custom Dynatrace monitoring and alerting Integrating Looker ...

C# .NET Developer

Hiring Organisation
Career Concept
Location
EC2A, Finsbury Square, Greater London, United Kingdom
Employment Type
Permanent
Salary
£40000 - £60000/annum
GCP. Bonus if you have worked with Serverless Experience working in a modern Software Engineering team with CI/CD process, Unit testing, Agile, use of frameworks, awareness of technical debt and 'of course' use of AI Equipped to work within small team, taking project ownership, pragmatic mindset ...

2 x Mid / Senior Full Stack Software Engineers - Hybrid - London

Hiring Organisation
Morris Sinclair Recruitment
Location
London, Bishopsgate, United Kingdom
Employment Type
Permanent
Salary
£80000 - £100000/annum 25 days Hol, pension, healthcare
plus Experience working with Third-party APIs is a plus Experience in refactoring and improving code performance and design is a plus Experience with Unit Testing is a plus Current tech stack C# .NET MVC Entity Framework (Code-First) MSSQL HTML & CSS JavaScript Git Azure Infrastructure Redis Third ...

Senior ML Engineer

Hiring Organisation
Anson Mccade
Location
London, United Kingdom
Employment Type
Permanent
into a stable "product." Technical Profile Software Excellence: Mastery of Python with a heavy focus on software engineering best practices (Design Patterns, Clean Code, Unit Testing). Familiarity with C++ or Go is a significant plus. Tooling & Orchestration: Deep experience with containerization (Docker, Kubernetes) and orchestration tools like ...

Senior Java Engineer (Smart Contract)

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
TypeScript/Java to enhance user experience. Create RESTful APIs (gRPC) to facilitate smooth communication between microservices and external systems. Conduct regular code reviews, unit testing, and CI to maintain high standards of code quality. Develop and present high-level design proposals to stakeholders, showcasing your creativity ...

VueJS developer contract

Hiring Organisation
Opus Recruitment Solutions
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£375/day
VueJS developer to join a project. Fully remote 6 month contract Inside IR35 SC eligible VueJs - (React developers considered) JavaScript Test Driven Development - (Unit Testing and Content Verification testing experience beneficial) Accessibility - WCAG Knowledge would be very beneficial but any experience developing Accessible frontends would ...

Full Stack Developer

Hiring Organisation
Tate Recruitment
Location
City of London, London, United Kingdom
Working across the full software development lifecycle in an Agile environment • Collaborating with product and technical teams to shape and refine requirements • Contributing to testing, documentation and ongoing improvements across the team What we’re looking for • Expert in modern front-end tech - Vue (mandatory), React/Angular (nice … will be a small part of the role but necessary • Experience working with component based development and design systems • Strong understanding of REST APIs, unit testing and Git • Experience with SQL, EF Core or Dapper • Experience working with UX and design tools such as Figma or Adobe ...

Senior Backend Engineer

Hiring Organisation
Certain Advantage
Location
South East London, London, United Kingdom
Employment Type
Temporary
Good understanding of containers, microservices, and functional design patterns Comfortable working in Agile environments Experience using Terraform for infrastructure as code Strong approach to unit testing (ideally with PyTest ) Nice to have FastAPI React/TypeScript HTML/CSS Why this role? Work on a central platform team ...

Frontend Engineer

Hiring Organisation
Rullion Managed Services
Location
London, United Kingdom
Employment Type
Contract
intensive applications. Essential skills Strong experience with React and TypeScript . Experience using Apollo GraphQL . Experience with NextJS or Gatsby . Experience with unit testing , preferably Jest or Vitest . Strong software design, problem-solving, and debugging skills. Good communication and interpersonal skills. Familiarity with CI/ ...

Artificial Intelligence Engineer

Hiring Organisation
Deloitte
Location
Greater London, England, United Kingdom
team to build and deliver high-impact solutions. Essential Skills and Experience Expert-level Python programming skills; strong advocate for PEP8 compliance, clean code, unit testing, and version control (Git, Unix, pytest). Experience retrieving data from structured, unstructured and web sources (Selenium/PlayWright, Pandas ...

VueJS developer contract

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£375 per day
public sector looking for a VueJS developer to join a project. Fully remote6 month contractInside IR35SC eligible VueJs - (React developers considered)JavaScriptTest Driven Development - (Unit Testing and Content Verification testing experience beneficial)Accessibility - WCAG Knowledge would be very beneficial but any experience developing Accessible frontends would ...

Lead Salesforce Engineer

Hiring Organisation
Canada Life
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
Salesforce ecosystem. The Lead Salesforce Engineer will be hands-on while mentoring and guiding other engineers across the community. Key Responsibilities Designing, building, testing, deploying and supporting Salesforce solutions using agile and DevOps practices Developing robust, scalable solutions using Apex, Lightning Web Components, Flows and Salesforce configuration Building, configuring … monitoring, logging and proactive issue resolution across Salesforce environments Strong experience working and leading within an agile development methodology Experience with test automation, including unit testing and behaviour-driven development Excellent time and self-management through effective planning and prioritisation Experience of working within a regulated industry, with ...