1 to 25 of 39 Unit Testing Jobs in the City of London

9+, responsive HTML/CSS, JavaScript RESTful APIs, Web API, Microservices Azure Cloud , Service Bus, SQL Server, Docker (preferred) Familiarity with Entity Framework , GraphQL, and ETL processes Experience with Unit Testing , mocking frameworks, and secure coding practices Version control tools : Git, TFS Experience with Agile/Scrum methodology Bonus Skills Azure DevOps (CI/CD pipelines) SonarQube , Craft More ❯

quickly learn and adapt to new technologies. Preferred Skills: Experience with Cloud platforms (e.g., Azure, AWS). Familiarity with Docker and containerization. Experience with Microservices architecture . Knowledge of unit testing frameworks and test-driven development (TDD). Experience working in an Agile/Scrum environment More ❯

stores. • Front-end development experience using React, with a solid grasp of UI/UX design and usability principles. • Proven experience in Agile teams, applying modern architecture, design patterns, unit testing, and maintaining high code quality standards. Desirable Skills • Domain experience in the energy sector (e.g., downstream, upstream, integrated gas, energy trading, renewables & energy solutions). • Familiarity with More ❯

and performance 👩‍💻 What You'll Need 5+ years of professional Python development experience Strong experience with Django and RESTful APIs Solid understanding of database design and SQL Experience with unit testing and test-driven development Knowledge of cloud platforms (AWS/GCP/Azure) Strong problem-solving skills and attention to detail Experience working in an agile environment More ❯

on object-oriented design patterns (OOAD etc) and design principles (kiss/solid etc) Prior use of RDBMS, e.g. Oracle, MySQL or Postgres Experience in Test-Driven Development (TDD), unit testing and unit testing frameworks Strong knowledge of version control systems such as Github and associated CI/CD tooling (ideally with Azure DevOps, Jenkins or More ❯

with peers across several teams to support multiple workstreams and ensure integrations are robust and secure. Be part of an agile, cross-functional development team, participating in code reviews, testing and deployments. Work with Enterprise systems and ensure they’re integrated effectively into our custom-built systems Hot Skills... Experience building applications using Golang or Rust, complemented by proficiency … information, and organisation of new sources of data into databases Understanding and experience of different Google Cloud resources such Kubernetes, Cloud Run, Pub/Sub, Cloud Build, etc. Automated Testing in different parts of the pipelines (unit testing with our programming languages, Integration, Contract, End to End with tools such as postman, k6 and karate). Infrastructure … and GCP Config Connector). Proven ability to build relationships with technical peers Understanding of the importance of constructive feedback to improve code quality and team performance Experience with testing strategies, including visual regression testing, unit testing, and integration testing Understanding of infrastructure setup using cloud-based technologies Proven experience in setting up release pipelines More ❯

services in a cloud environment. Collaborate with the team to brainstorm and suggest breakthrough product ideas. Participate in building high-performing, scalable enterprise-grade applications. Ensure software readiness through unit testing and benchmarking. Required: Bachelor's degree in Computer Science or equivalent. 6-9 years of hands-on work experience as a Java Developer. Strong technical background in More ❯

Data Engineer – Investment Banking – London/Hybrid (Data Engineer, SQL Data Engineer, Java, Python, Spark, Scala, SQL, Snowflake, OO programming, Snowflake, Databricks, Data Fabric, design patterns, SOLID principles, ETL, Unit testing, NUnit, MSTest, Junit, Microservices Architecture, Continuous Integration, Azure DevOps, AWS, Jenkins, Agile, Data Engineer, SQL Data Engineer) We have several fantastic new roles including a Data Engineer More ❯

resolve issues Prevent regressions and recurring bugs Be responsible for quality assurance across all Glite Tech products; including mobile apps, websites, and backend APIs Perform both manual and automated testing Maintain the automated mobile release management infrastructure Essential skills 🙏 Knowledge of at least one script languages (e.g. JS, python, bash, etc.) Knowledge of common data formats: JSON, XML, HTML … analytical, problem-solving, and communication skills Attention to detail and ability to interpret product requirements Desirable Skills 👌 Mobile or Web Automation test frameworks: XCUITest, selenium, UI Automator Knowledge of unit testing and end-to-end testing best practices Knowledge of Docker Experience with iOS and Android developer settings Understanding of mobile application release cycles Experience of learning More ❯

SuiteTalk, and SuiteBuilder. Develop and maintain integrations between NetSuite and third-party applications. Assist in the creation of reports, saved searches, and data analysis to support decision making. Perform unit testing, code reviews and debugging to ensure the stability and performance of the NetSuite system. Troubleshoot and resolve issues related to NetSuite integrations, performance and user functionality. Provide More ❯

C++ Engineer £60-95k C++/Cross Platform/Unit Testing 2 days per week on site - multiple UK locations 07719 051889//ryan.horne@searchability.com About Us: The Engine team drives the development and evolution of our Documents & Biometrics digital identity verification product. This cutting-edge solution utilizes AI technologies for intelligent document processing, serving as … to establish efficient development and delivery processes. Maintain up-to-date knowledge in all stages of the SDLC and domain expertise. Ensure high-quality, high-performing code through rigorous testing and code review processes. Contribute to cross-platform development (Windows, Linux, Android, iOS, Mac) using CMake. Utilize unit testing frameworks like GTest/Catch and open-source … with the team. What We're Looking For: Proven experience in software development in a commercial environment. Strong proficiency in modern C++ development and cross-platform development. Familiarity with unit testing frameworks, open-source libraries, and code review processes. Working knowledge of .NET Core, Restful API, and scripting languages. Passion for problem-solving and a commitment to continuous More ❯

as scalability, performance, maintainability, reliability, reusability, security, and usability. Expertise in C# development, ensuring code is maintainable, efficient, reliable, and robust, with clear interfaces and proper exception handling. Software Testing & CI/CD - Experienced in unit testing, including the use of mocking frameworks to achieve required code coverage. Solid understanding of Git, software versioning, and modern CI More ❯

boot Experience with integration technologies - MQ/Xml/SOAP/JSON Proficiency in Database Management Systems (SQL Server/Mongo/Snowflake) and designing/querying Experience in unit testing, integration testing Experience with CI/CD - Gradle/Maven, Jenkins, GIT Experience with Angular/Typescript/HTML/CSS Please apply with an up More ❯

libraries such as Redux, Zustand, or similar Experience with Contentful or other headless CMS platforms for dynamic content delivery Deep knowledge of feature flagging, analytics, and A/B testing frameworks for experimentation and insights Experience in unit testing, integration testing, and end-to-end automation using Jest, Playwright, or equivalent Comfortable in agile, fast-paced More ❯

quickly and able to apply them to solve complex problems Experience with version control systems (Bitbucket/GitHub) Experience working within an agile team Nice to have Experience with unit testing and Playwright Ability to write unit tests when implementing user stories. Develop code for testability Knowledge and understanding of how Shopify Pixel, and tracking in Checkout More ❯

ETRM) platform - enhancing functionality, onboarding new products and integrating modern SaaS solutions for analytics, hedging, credit, regulatory reporting and more. You'll also drive improvements to customisation code, strengthen unit testing capabilities, contribute to a suite of ETRM-adjacent tools (APIs, loaders, reports, data pipelines, BI tools) and support broader initiatives in test automation and CI/CD. More ❯

CI/CD pipelines , and legacy system migrations. Innovate across the stack, taking ownership of key projects and delivering performant, scalable solutions. Lead engineering best practices including coding standards, unit testing, code reviews, and system architecture discussions. Support, coach, and mentor junior developers, fostering a culture of technical excellence and collaboration. Work closely with cross-functional teams, including More ❯

Software Engineer - Java - Contract - £400 per day outside IR35 - Java/Microservices, Basic Test framework knowledge, Unit testing skills, Java design skills, Deployment in Pipeline knowledge ( Git lab, Jenkins, Aws tools sets) About the Company My client is seeking a Java Software Engineer on a contract basis in order to deliver Premium AIS in 2025. They are a … code Build new system requirements, including new end points (tink/Mimo/Payit) Integration into new systems (ie Mimo) Test incrementally, in line with test strategy Full E2E testing of MVP Full E2E testing as part of deployment, in collaboration with business partners Own and lead E2E deployment (release train manager) Manage the technical delivery of one … stakeholders to understand how the Platform works and how it supports business objectives Works with colleagues at multiple levels, cross-Domain, Domain, Platform and Feature teams, understanding and analysing testing requirements, including functional requirements, to plan, design, develop & maintain (where necessary) the work required to perform and monitor automation testing, building in quality as an integral part of More ❯

Fullstack JavaScript and Node.js development experience. Hands on experience of developing REST web services and API's. Knowledge and experience of deploying to cloud services, preferably AWS. Experience of Unit testing, TDD, BDD and Test Automation. Experince of working with GraphQL. If you're a Mid-level Fullstack Developer, looking to work for a market leading organisation and More ❯

Fullstack JavaScript and Node.js development experience. Hands on experience of developing REST web services and API's. Knowledge and experience of deploying to cloud services, preferably AWS. Experience of Unit testing, TDD, BDD and Test Automation. Experince of working with GraphQL. If you're a Senior Product Engineer, looking to work for a market leading organisation and enjoy More ❯

performance and scalability. Provide technical guidance and mentorship to junior developers. Mandatory Skills: Proficiency in Python and Streamlit. Experience with Streamlit for creating interactive web applications. Strong understanding of unit testing frameworks (e.g., pytest, unittest) Extensive experience with Azure Data Factory (ADF), Data Lake, Snowflake, and Databricks. Strong understanding of data transformation and data integration processes. Experience in More ❯

will play an important role in creating the high level design artifacts. You will also deliver high quality code deliverables for a module, lead validation for all types of testing and support activities related to implementation, transition and warranty. You will be part of a learning culture, where teamwork and collaboration are encouraged, excellence is rewarded, and diversity is … of critical HR data. • Provide ongoing support and maintenance of integration solutions, including regular updates and enhancements. • Prepare and maintain documentation for integration processes, workflows, and best practices. • Perform unit testing, debugging, and validation of Boomi integration processes to meet quality standards. • Collaborate with other teams for system upgrades, ensuring compatibility with new releases of SAP SuccessFactors and More ❯

Tasks include understanding business requirements, designing applications/workflows in Opentext MBPM (Metastorm), business data analysis, programming in Visual C#.NET using both Oracle and SQL Server database and APIs, Unit testing, Quality Assurance (QA), Implementation, Production and Disaster Recovery environments supporting users and preparing documents. Along with the application development, this role will also include supporting the existing More ❯

more ML and statistical methods, under mentorship of some recognised AI and software leaders. · Experience in working with large datasets (> 1TB) · Able to implement production level coding practices, including unit testing and documentation · Proven experience building NLP & Computer Vision products with an engaged customer base · Experience researching and implementing latest scientific literature on NLP/CV and ML More ❯

Skills/Experience Essential Experience in working within real-time event driven environments Experience using shared frameworks for the delivery of solutions Track record of data-driven development and unit-testing, mocking and back-testing Proven background in multiple languages and willing to learn additional languages when required Essential Languages: Java (Minimum Level: Advanced) Desirable Background with More ❯