76 to 100 of 159 Unit Testing Jobs in London

Development Team Lead Fintech

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 80 K
tech stack below:• Degree ideally Comp Sci • C# • Web Frameworks (Including) • ASP.net MVC 3+ • ASP.net Web Api • WPF • Click Once Deployments • C# Unit Testing frameworks • nUnit • Specflow • MSTest • Xunit • ORM • RESTful API Development • C# Build Tools • Cruise Control.net • MSSQL (2008R2 onwards) • T-SQL • Performance OptimisationThis role ...

Lead Frontend Engineer - Java and Open Source - Private and FS

Location
London, United Kingdom
. Any further experience with Next.js/Angular/Vue.js is beneficial Experience with mobile development frameworks like React Native is beneficial. Experience in Unit Testing with Jest Experience with technical leadership and mentorship to a team of engineers, guiding them in architecture, code quality, and best practices ...

Lead Frontend Engineer - Java and Open Source - Private and FS

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
. Any further experience with Next.js/Angular/Vue.js is beneficial Experience with mobile development frameworks like React Native is beneficial. Experience in Unit Testing with Jest Experience with technical leadership and mentorship to a team of engineers, guiding them in architecture, code quality, and best practices ...

Senior Python Platform Engineer

Location
Greater London, England, United Kingdom
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. Vice President Expectations To contribute or set strategy, drive requirements and make recommendations ...

Senior Cyber Software Engineer/ Technical Lead

Hiring Organisation
BAE SYSTEMS
Location
London, United Kingdom
Salary
£ 80 K
design and implementation, along with mitigations. What we’re looking for:Familiarity with a variety of development tools (IDEs, debuggers, source control) and techniques (unit testing, mocking, continuous integration, test-driven development).Knowledge of the principles of high-assurance development, and an awareness of the importance ...

Senior Cyber Software Engineer Technical Lead

Location
London, United Kingdom
design and implementation, along with mitigations. What we're looking for : Familiarity with a variety of development tools (IDEs, debuggers, source control) and techniques (unit testing, mocking, continuous integration, test-driven development). Knowledge of the principles of high-assurance development, and an awareness of the importance ...

Senior Backend Web Developer

Hiring Organisation
Nanotek
Location
London, United Kingdom
Salary
£ 55 K
with Java and SQL databases.Familiarity with Spring Boot framework and PostgreSQL.Experience of AWS cloud features and APIs.Familiar with Git version control, continuous integration, and unit testing.Understanding of the software development process – including Agile.Experience of data management.Good stakeholder management skills.Excellent communication skills.Attention to detail.Analytical mind and problem-solving aptitude.Strong organisational ...

Senior Lead Oracle Fusion Cloud Integration & Extension Consultant role

Hiring Organisation
Version 1
Location
London, United Kingdom
Salary
£ 80 K
consultant will be expected to lead integration design and delivery, define reusable interface patterns, support technical governance, and remain hands-on across build, testing, deployment and defect resolution activities. The role also includes exposure to Oracle Fusion extensions and workflow tooling. VBCS, Oracle Process Automation (OPA)/Process Cloud … gates across the delivery lifecycle. • Promote maintainable engineering practices, including clear artefact ownership, version control discipline, peer review, test evidence and release traceability. DevOps, Testing & Release Enablement • Support Git-based version control and structured promotion of OIC artefacts between development, test and production environments. • Contribute to CI/ ...

Data Science Specialist

Hiring Organisation
Randstad Digital UK
Location
London Area, United Kingdom
construct a medium-term team development plan for 2027 P&L planning. Standards & Best Practices: Refine end-to-end standards for data science development, testing, and deployment to balance technical rigor with commercial delivery. Team & Capability Design: Collaborate with leadership to define future team structures, role designs, and hiring … scientific discipline with significant ML focus) alongside practical data science experience. Software Engineering Discipline: Proven ability to write production-grade Python code, enforce unit testing, exception handling, and logging, and manage full deployment without handing prototypes off to separate teams. Operations & Strategy Track Record: Experience assessing and improving ...

Quantitative Engineer

Hiring Organisation
Bank of America
Location
Bromley, Kent, United Kingdom
Salary
£ 80 K
domain independent (e.g., generic data quality tools over trillions of rows of data) or domain specific (e.g., classification models for surveillance or testing framework for Global Markets processes). Quantitative engineers work with modelers, risk managers, and technologists to understand the current state and design the future state … data controls, etc.Building performant big data pipelinesUse programming skills and knowledge of software development lifecycle principles to deliver high quality code for model and testing processesCollaborate with key stakeholders across the Bank to understand modelling and testing business processes and requirementsThink outside the box of current industry standards ...

Data Scientist or Senior Data Scientist

Hiring Organisation
Hoare Lea
Location
City of London, London, United Kingdom
analytical work into reusable tools, workflows and data-driven products where appropriate. Develop reproducible and maintainable analytical code, following best practices, including version control, testing, and peer reviews. Contribute to the development of analytical and data science capability across the business by sharing approaches, reusable methods and good practice … science (e.g., Pandas, NumPy, Scikit-learn). Proficiency in data querying languages (e.g., SQL). Solid understanding of software engineering best practices (version control, unit testing, code review, etc.). Strong experience with data visualisation frameworks (e.g., PowerBI, Streamlit). Experience applying machine learning and AI, including generative ...

Python Engineer

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 600 - 630 Daily
pull requests. Experience with Agile project management tools, preferably JIRA. Knowledge of Test-Driven Development (TDD), Behaviour-Driven Development (BDD/Behave), and Unit Testing (PyTest). Strong analytical and problem-solving abilities, paired with excellent communication skills. A self-starter attitude with the capability to lead technical ...

Python Engineer

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Full-Time
Salary
£600.00 - £630.00 per day
pull requests. Experience with Agile project management tools, preferably JIRA. Knowledge of Test-Driven Development (TDD), Behaviour-Driven Development (BDD/Behave), and Unit Testing (PyTest). Strong analytical and problem-solving abilities, paired with excellent communication skills. A self-starter attitude with the capability to lead technical ...

Python Engineer

Hiring Organisation
Adecco
Location
South East London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £630/day
pull requests. Experience with Agile project management tools, preferably JIRA. Knowledge of Test-Driven Development (TDD), Behaviour-Driven Development (BDD/Behave), and Unit Testing (PyTest). Strong analytical and problem-solving abilities, paired with excellent communication skills. A self-starter attitude with the capability to lead technical ...

Senior Software Engineer (C++)

Location
Greater London, England, United Kingdom
code using development best practices. Developing and integrating software solutions. Participating in reviews of own work and in reviews of the work of colleagues. Unit testing of modules developed or modified, ensuring the application meets the needs of clients and the business. Work collaboratively in an Agile environment ...

Lead Software Engineering - Python - Front Office Quant Developer

Location
Greater London, England, United Kingdom
Business Unit Commercial & Investment Bank Posting Date 07/20/2026, 03:40 PM Locations 25 Bank Street, Canary Wharf, London, Greater London, E14 5JP, GB Job Schedule Full time Job Description Join us to shape the future of equity derivatives trading through technology. You'll partner closely … assisted code review/refactoring, test strategy acceleration, incident/root-cause analysis support), while establishing consistent validation standards (secure coding, peer review, automated testing) and promoting reuse of effective patterns across the team. Applies knowledge of tools within the Software Development Life Cycle toolchain, including enterprise-authorized ...

Frontend Developer – Bootstrap Javascript- Brussels

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 80 K
team to develop new front-end interfaces from scratch, fulfilling a need in the financial and life insurance sectors.You will need to establish testing procedures and where possible automate testing.You will be part of a team of 6-8 developers where the sharing of experience and training of others … role is to develop and maintain applications for the financial industry. Your role is:Writing clean, scalable, easy to understand, and maintainable codeAnalysing and testing software before deployment.Close collaboration with team members including those in remote locations.Working autonomously on given tasks, proactively gathering requirements if needed.Improving company’s build ...

Frontend Developer- Brussels

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 80 K
team to develop new front-end interfaces from scratch, fulfilling a need in the financial and life insurance sectors.You will need to establish testing procedures and where possible automate testing.You will be part of a team of 6-8 developers where the sharing of experience and training of others … develop and maintain applications for the financial industry. Your role is:• Writing clean, scalable, easy to understand, and maintainable code• Analysing and testing software before deployment.• Close collaboration with team members including those in remote locations.• Working autonomously on given tasks, proactively gathering requirements if needed.• Improving company ...

Frontend Developer - Bootstrap Javascript- Brussels

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
team to develop new front-end interfaces from scratch, fulfilling a need in the financial and life insurance sectors. You will need to establish testing procedures and where possible automate testing. You will be part of a team of 6-8 developers where the sharing of experience and training … role is to develop and maintain applications for the financial industry. Your role is: Writing clean, scalable, easy to understand, and maintainable codeAnalysing and testing software before deployment. Close collaboration with team members including those in remote locations. Working autonomously on given tasks, proactively gathering requirements if needed. Improving ...

Senior Technical Architect

Hiring Organisation
VML
Location
London, United Kingdom
Salary
£ 60 K
documentation, and versioning experience.DevOps & Quality Automation: Infrastructure-as-Code (Terraform/CDK/CloudFormation), CI/CD pipelines, and a strict quality-first mindset (unit testing, automated tooling).Communication & Collaboration: Proactive, energetic collaborator with excellent written, verbal, and diagrammatic skills capable of translating complex technical concepts for senior … directly to execution. Our 12,000 experts in engineering and platforms, commerce, consulting, content transformation, CRM, and CX, work within a unified global operating unit across 40+ markets. WPP Enterprise Solutions works alongside best-in-class partners including Adobe, AWS, Braze, Google, Microsoft, Salesforce, and Shopify, as well ...

Python C# Developer Quant Trading

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 80 K
processing Proactive and analytical with strong problem solving skills Strong communication and team working skills Strong commitment to good coding practices, including version control, unit testing and style conventionsMy client is based in LondonPython, C# Quant, Pricing Derivatives, Consultancy C++ Quant Analyst Investment Bank, Hedge Fund Modelling ...

Swaps Developer Contract

Hiring Organisation
Jefferies
Location
London Area, 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 ...

Full Stack Javascript Software Engineer

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 80 K
changes based on design specifications. Proactively resolve issues in specification that will lead to quality, system performance, or architectural issues in product. • Perform thorough unit testing on all relevant platforms and devices as appropriate for the particular task/project. • Regularly inform manager on progress of project, identifying ...

Java Web Software Engineer Spring React London

Hiring Organisation
TELSTRA Associates
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 335 Daily
relational databases (eg PostgreSQL). Proficiency with version control (Git) and build tools (Maven/Gradle). Strong focus on clean code, unit testing, and code reviews. Familiar with Agile development practices. Comfortable working in Linux/Unix environments. 4-8+ years of software engineering experience. Role ...

Junior Full Stack Javascript Software Engineer

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 70 K
software changes based on design specifications. Proactively resolve issues in specification that will lead to quality, system performance, or architectural issues in product.Perform thorough unit testing on all relevant platforms and devices as appropriate for the particular task/project.Regularly inform manager on progress of project, identifying risks ...