1 to 25 of 26 Unit Testing Jobs in London

Senior Java Developer

Hiring Organisation
Ncounter Limited
Location
EC2, Barbican, Greater London, United Kingdom
Employment Type
Permanent
Salary
£85000 - £95000/annum plus Bonus & Package
Multi-threading, concurrency and Low-latency experience Exposure to Kotlin as well as Strings, Memory Management and associated problems a plus Automated test experience, Unit testing and Integration testing An understanding of message-driven programming and messaging systems Experience with FIX and Kafka a huge plus … multi-threading, concurrency, and low-latency is essential, as well as exposure to Kotlin, Strings, Memory Management, and associated problems. Automated test experience, including unit testing and integration testing, is also required. An understanding of message-driven programming and messaging systems, along with experience ...

Test and Release Manager

Hiring Organisation
Canada Life
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
London, Watford or Bristol (Hybrid working options available) The Test and Release Manager – Customer Engineering is responsible for planning and managing end to end testing and release activities across the Customer Engineering estate, with Salesforce Financial Services Cloud (FSC) at its core. Operating as an individual contributor, the role … owns quality and release outcomes across Salesforce led customer service journeys and the integrated systems that support them, from initial unit testing through to system, integration and business user acceptance testing (UAT). It ensures that changes delivered via Salesforce FSC configuration, custom development, integrations and downstream ...

Lead MuleSoft Developer

Hiring Organisation
Alexander Edward James Consulting Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
premises environments. Oversee the development and governance of APIs, documentation, and reusable assets within Anypoint Exchange. Establish and enforce best practices for unit testing using MUnit, ensuring high test coverage and quality standards. Lead deployment strategies and contribute to the design and optimisation of CI/CD pipelines. … Azure). Deep understanding and hands-on experience implementing security protocols such as OAuth 2.0, JWT, and SSL/TLS. Proven experience leading unit testing practices using MUnit and contributing to mature CI/CD pipelines. MuleSoft Certified Developer Level 1 minimum (Level 2 or Architect certifications advantageous ...

Senior Java Engineer (AWS, REST, SOAP) - Hybrid - Sussex

Hiring Organisation
Salt Search
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £700 per day
such as Jenkins, GitHub Actions, or AWS CodePipeline. Work with containerisation technologies (Docker) and orchestration platforms (ECS/EKS). Ensure code quality through unit, integration, and automated testing. Apply secure coding practices, including OAuth2/JWT authentication and general security best practices. Collaborate with cross-functional teams … distributed systems. Familiarity with CI/CD pipelines and DevOps practices. Knowledge of Docker and container orchestration fundamentals (ECS, EKS). Experience with unit testing, integration testing, and automation frameworks. Understanding of security best practices, authentication/authorisation standards (OAuth2, JWT). Experience with SOAP/WSDL ...

Principal Oracle Business Systems Analyst (Order Management & Pricing)

Hiring Organisation
Entrust
Location
London Area, United Kingdom
Delivery Ownership Lead and contribute to sprint planning, backlog prioritization, and roadmap development aligned with business objectives. Develop and execute comprehensive test plans, including unit testing, system testing, and UAT. Drive end‐to‐end solution delivery, including configuration, testing, deployment, and post‐go‐live support. Play … role in Oracle upgrades, quarterly releases, and patch cycles, including regression testing and change management. Operational Excellence & Support Provide post‐implementation support, troubleshoot issues, and ensure system stability and performance. Act as a senior escalation point for complex issues, cross‐functional problem resolution, and enhancement identification. Ensure adherence ...

Senior Web Application Developer ASP.NET MVC 5, C#, & React

Hiring Organisation
PCR Digital
Location
Hammersmith, London, United Kingdom
Employment Type
Contract
Contract Rate
£425 - £538/day Inside IR35 to Umbrella
patterns. * Experienced in RESTful API design and integration; experience with SOAP WebServices and XML/XPath. * Skilled in using IoC containers (Autofac, Ninject) and unit testing frameworks (NUnit, Moq, SpecFlow). * Proficient with source control management tools and processes (Git, GitFlow, SourceTree) and dependency management using NuGet. * Experienced ...

Senior Software Engineer

Hiring Organisation
X4 Technology
Location
London Area, United Kingdom
delivery Collaborating with cross-functional teams (DevOps, UX, Product, Platform) Contributing to CI/CD pipelines and modern DevOps practices Driving best practices in testing, automation, and code quality Supporting frequent releases and continuous improvement initiatives Senior Software Engineer – Key Skills Required Must hold live and active Enhanced … clearance (DV considered) Good experience in secure defence environments Strong experience with Golang development Experience across Docker & Kubernetes environments Solid understanding of TDD, unit testing, and automation frameworks Experience with relational databases (MySQL/PostgreSQL) Familiarity with Git, build tools (Maven/Gradle), and CI/CD Exposure ...

Senior Developer

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£60,000
coding standards, and what this means in .NET Solid understanding of software development principles, including object-oriented programming (OOP) and design patterns. Experience with unit testing frameworks (e.g., , XUnit, NUnit). Experience with Git for version control. (Experience with Azure DevOps a plus) Proficiency in writing clean, maintainable ...

Senior Web Application Developer (Full Stack)

Hiring Organisation
CPS Group (UK) Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £525/day
design patterns. * Experience working with RESTful API design and integration; SOAP WebServices and XML/XPath * Skilled in using IoC containers (Autofac, Ninject) and unit testing frameworks * Experienced with CI/CD and DevOps pipelines (GitLab, Azure DevOps, TeamCity) * Proven experience working in Agile environments7 * Understanding of application ...

Full Stack Software Engineer (Golang/Typescript)

Hiring Organisation
Safe Intelligence
Location
City of London, Greater London, UK
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 ...

Data Engineer

Hiring Organisation
Aimtech Recruitment Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
reporting, and automation solutions across Azure and Power Platform Ensure solutions meet security, compliance, governance, and performance standards Support the full development lifecycle including testing, deployment, version control, and documentation Manage production services, incident resolution, and continuous service improvements Collaborate with project managers, analysts, suppliers, and senior stakeholders … integrations (OpenAI, Claude, Gemini) Docker, Kubernetes (AKS), Azure App Services Azure DevOps, Azure Boards, CI/CD pipelines API Management, OAuth2, JWT, audit logging Unit testing across .NET and Python environments Azure certifications such as AZ-900 and AI-900 would be highly beneficial. Aimtech Recruitment is acting ...

Front End Software Engineer (Typescript)

Hiring Organisation
Safe Intelligence
Location
City of London, Greater London, UK
TypeScript-based frontend systems, primarily utilizing React to craft intuitive and highly functional user interfaces. Develop simple and intuitive UI to enable workflows around testing and validating Machine Learning systems with an eye to scalability, and asynchronous interactions. Interface with Golang-based cloud backend systems, focusing on API interactions … interactions patterns such as: polling/SSE/WebSockets for long-running tasks, optimistic updates, progress states, idempotent actions. Proficiency in integration, component 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 ...

Lead AI Engineer

Hiring Organisation
KPMG UK
Location
London Area, United Kingdom
team, you will collaborate with a talented mix of Cloud & DevOps Engineers, Product Owners/Managers, Solution Architects, Data Engineers, Business Analysts, and Testing Specialists. Together, we build, deliver, and manage a portfolio of truly exciting products. In recent years, our products' size and scale have rapidly expanded, leading … with modern data platforms and AI tooling such as Azure ML, Databricks, MLflow, LangChain, LangGraph. Proven experience with modern engineering practices Git, version control, unit testing and containerisation. Familiarity with agile work methodologies and tools like Jira and Confluence. Behavioural Attributes and Skills: Strong communication skills, with ...

Head of Development, EMEA IT, IT

Hiring Organisation
CLSA Global Markets Pte Ltd
Location
London, UK
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 ...

Senior Developer

Hiring Organisation
Aon
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£0 per annum
succeed. What the day will look like Your days will be varied but will likely include: Working on developing our product by writing code, testing, debugging, analysing, reviewing and all other aspects of the software development lifecycle Working with other developers, actuaries, devops and other teams to ensure successful … Problem solving – digging into the why Adaptability – open to new tech as the stack evolves NET Backend web development SQL Server/Azure SQL Unit testing, e.g. xUnit Security & authentication Good to have: Experience leading or guiding junior colleagues Containerised application development Cloud (Azure or equivalent) Scalable deployment ...

Senior Salesforce Developer

Hiring Organisation
Savant Recruitment Experts
Location
London, UK
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 ...

Senior Salesforce Developer - Service Could - Experience Cloud - Marketing Cloud - Apex - LWC

Hiring Organisation
Nexere Consulting Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 80,000 - 95,000 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 ...

Swaps Developer Contract

Hiring Organisation
Jefferies
Location
City of London, London, United Kingdom
specific projects or issues from start to finish. Documenting. Working with global colleagues, stakeholders and management to ensure appropriate prioritisation. Write high quality code, unit testing, working with QA, and overseeing the production release cycle. Trade support queries (2nd line) Person Specification The following skills and experience ...

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 ...

Dotnet Developer

Hiring Organisation
Harrington Starr
Location
London Area, United Kingdom
apps). Proficient in SQL Server (T-SQL) and Oracle (PL/SQL) . Knowledge of application deployment and environment maintenance . Experience in unit testing, QA , and documentation . Ability to troubleshoot across servers, databases, and distributed environments. Desirable Financial services or enterprise BI experience. Familiarity with ...

Software Engineer

Hiring Organisation
The Emerald Group Ltd, Search and Selection
Location
London Area, United Kingdom
CosmosDB. Integration: Work on the integration and restructuring of Python and C# codebases to improve cohesion. Standards: Apply software engineering best practices including OOP, unit testing, and CI/CD. To be successful in this role, you must demonstrate specific experience in: Large Dataset Management: A track record ...

Senior Software Engineer

Hiring Organisation
Apex Systems
Location
London Area, United Kingdom
request routing, or content delivery architectures • Experience with security at the network edge (DDoS protection, authentication protocols, TLS termination) • Demonstrated best-practice software engineering: unit testing, code reviews, refactoring, continuous deployment L5 Expectations • Responsibly leverages AI, using it effectively for high productivity without compromising availability or OE burden ...

Avaloq - Senior Developer

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 350 - 400 Daily
Location: Scotland, UK (Remote) Contract Duration : 10 Months Job Description: An Avaloq Developer is responsible for the end-to-end design, implementation, customization, and unit testing of solutions within the Avaloq Banking Suite click apply for full job details ...

Avaloq - Senior Developer

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£350 - £400 per day
Location: Scotland, UK (Remote) Contract Duration : 10 Months Job Description: An Avaloq Developer is responsible for the end-to-end design, implementation, customization, and unit testing of solutions within the Avaloq Banking Suite. The role involves delivering high-quality parameterization, scripting, interfaces, and report development aligned to functional ...

Digital Engineer- Technology

Hiring Organisation
17918
Location
London, United Kingdom
looking for a collaborative, proactive, flexible, and detail-oriented individual with a passion for innovation. Strong development experience using Kotlin, including integration and unit testing. Strong understanding and experience with Android architecture (multi-modules, Dependency Injection, MVVM). Proficiency in building user interfaces with Jetpack Compose. Proven experience integrating ...