51 to 75 of 295 Clean Code Jobs in London

Cost Analysis and key benchmarks required for MiFID and MiFIR compliance. Responsibilities include maintaining and enhancing the application, influencing technology decisions, taking ownership of tasks, establishing best practices, writing clean code, and applying design patterns. The candidate should be passionate about driving organizational change and advocate for Test Driven Development, aiming to facilitate effective CI/CD processes. More ❯

mission to life. You'll join a talented engineering team working on meaningful, customer-facing products that have real impact. If you're a proactive problem-solver, passionate about clean code and modern architecture, and keen to mentor others, we'd love to hear from you. What You'll Be Doing Independently deliver high-quality, cross-functional software More ❯

and CI/CD processes by further developing GitHub Actions pipelines, Terraform definitions and observability integrations. Ensure quality & reliability: establish testing best practices (unit, integration, end-to-end), conduct code reviews and demand high quality standards Shape and refine our cloud-native platform to optimise performance, security and scalability Mentor & lead intermediate developers, imparting knowledge and fostering a culture … of clean code, peer review and shared ownership. Collaborate cross-functionally with product, operations and customer success to translate requirements into robust technical solutions. A good fit candidate will have: 5+ years hands-on as a full stack engineer in a SaaS environment Expert in React (hooks, state management, performance) Strong backend skills in Node.js (Express) and Python … automation) Solid understanding of Auth0 (or similar OAuth/OIDC) and secure authentication flows. Skilled with GitHub and GitHub Actions for automated CI/CD. Experience with infrastructure as code (ARM templates, Terraform, Bicep). Comfortable writing and maintaining tests (unit, integration, e2e). Excellent communication, problem-solving skills and ability to thrive in a fast-paced startup. Desirable More ❯

and CI/CD processes by further developing GitHub Actions pipelines, Terraform definitions and observability integrations. Ensure quality & reliability: establish testing best practices (unit, integration, end-to-end), conduct code reviews and demand high quality standards Shape and refine our cloud-native platform to optimise performance, security and scalability Mentor & lead intermediate developers, imparting knowledge and fostering a culture … of clean code, peer review and shared ownership. Collaborate cross-functionally with product, operations and customer success to translate requirements into robust technical solutions. A good fit candidate will have: 5+ years hands-on as a full stack engineer in a SaaS environment Expert in React (hooks, state management, performance) Strong backend skills in Node.js (Express) and Python … automation) Solid understanding of Auth0 (or similar OAuth/OIDC) and secure authentication flows. Skilled with GitHub and GitHub Actions for automated CI/CD. Experience with infrastructure as code (ARM templates, Terraform, Bicep). Comfortable writing and maintaining tests (unit, integration, e2e). Excellent communication, problem-solving skills and ability to thrive in a fast-paced startup. Desirable More ❯

monitors with automated testing and evaluation tools. Support ML Ops development to track model health, detect drift/skew, and ensure model reliability in production. Focus on Scalability and Clean Code: Write clear, well-documented, and reusable code in line with engineering best practices. Help architect a scalable and resilient cloud-native platform (Azure) Maintain and improve More ❯

monitors with automated testing and evaluation tools. Support ML Ops development to track model health, detect drift/skew, and ensure model reliability in production. Focus on Scalability and Clean Code: Write clear, well-documented, and reusable code in line with engineering best practices. Help architect a scalable and resilient cloud-native platform (Azure) Maintain and improve More ❯

Drive the development and implementation of advanced tests around new features, ensuring the highest standards of test coverage and reliability. Demonstrate expertise in producing well-architected, efficient, and scalable code using industry-leading design patterns and methodologies. Take a leadership role in code reviews and pair programming sessions, guiding and mentoring colleagues towards excellence. Lead and actively participate … large-scale systems Familiarity with Scrum methodology or other agile development processes Experience with cloud computing Experience with Docker and containerization Familiarity with software best practices such as Refactoring, Clean Code, Domain-Driven Design, Test-Driven Development, etc. What we offer The chance to work alongside a team of hard-working, passionate people in a role where you More ❯

reusable components for partners to easily integrate with our ad platform Take ownership of projects from ideation to deployment, with a strong focus on performance and reliability Participate in code reviews, technical design discussions, and agile ceremonies Continuously learn and explore new technologies to improve our stack and developer experience Experience and Qualifications: Experience with React and modern front … end development practices Willingness to work across the full stack and learn backend technologies Solid understanding of software engineering fundamentals and clean code principles Excellent problem-solving and analytical skills Strong communication skills and ability to collaborate with distributed teams Experience with Kotlin, Java, or other backend languages Familiarity with GraphQL and building RESTful APIs Exposure to CI More ❯

deliver key strategic value to the business. We're looking for an experienced Full Stack Engineer to help drive this mission. You'll develop tools and applications by producing clean, maintainable code and together with your Product Team own and support features produced throughout the entire lifecycle. You'll participate in team ceremonies, collaborate with Sainsbury's Tech … Experience with a variety of database technologies, including NoSQL Databases such as MongoDB or DynamoDB as well as Relational Databases like PostgreSQL and MySQL Passionate about defining infrastructure-as-code with tools such CloudFormation, CDK or Terraform. Knowledge of DevOps practices, experience in supporting applications in production and using Monitoring and Alerting tools to enable proactive response to incidents. More ❯

with a cross-functional team including engineers, QA, data, infrastructure, product managers anddesigners to deliver high-impact features. Contribute to architectural decisions and help shape our technical direction. Write clean, secure, maintainable code with performance and usability in mind. Investigate and resolve technical issues through hands-ondebugging andresearch. Maintain and evolve automated tests to ensure product quality. Create … backend experience (ideally withPHP andSymfony). Strong frontend development experience withTypeScript (AngularJS preferred) to create interactive user interfaces. Familiarity with distributed systems and modern cloud architecture. Passion for writing clean, maintainable code and continuously improving practices You must be comfortable with rapid development in a Agile/Scrum environment and iterating based on market and customer feedback. Excellent … Swift) Desktop: Cross platform desktop app built with Electron (TypeScript) Database: MySQL (Aurora DB), Redis (ElastiCache), MongoDB (AWS DocumentDB) Cloud & DevOps: AWS (20+ services), Kubernetes (EKS), Docker, Infrastructure as Code(CloudFormation, Terraform), CI/CD (Jenkins,GitHub Actions), Observability(AWS, Grafana) Development tools: GitHub, Jira, Notion, ChatGPT,Gemini,LangChain, AI-native IDE's (Cursor, JetBrains), LLM-powered internal tools. More ❯

the Move language, and building full-stack applications that serve as developer tools, internal products, or external-facing demos and PoCs. If you enjoy solving real-world problems with clean code and collaborating across engineering, product, and community teams, this is a unique opportunity to work at the core of a fast-moving Web3 ecosystem. Role Description: As … Next.js and Node.js for backend logic, APIs, and server-side rendering Experience with SQL databases and Redis in a real-world, production setting Familiarity with Tailwind CSS for building clean, responsive UIs Ability to debug, profile, and optimize full-stack applications Strong communication skills and a friendly, collaborative mindset Approachable, open to feedback, and enjoy working closely with others More ❯

DevOps principles to develop CI/CD pipelines using Azure DevOps, Jenkins, or GitHub Actions Collaborate with clients and stakeholders to translate data needs into strategic technical solutions Champion clean code, data lifecycle optimisation, and software engineering best practices What We're Looking For Proven hands-on experience with Databricks platform and orchestration Strong skills in Python, PySpark More ❯

of a collaborative team working on real-world applications, from prototyping to production deployment. This is a hands-on role ideal for someone who enjoys solving complex problems, writing clean code, and staying at the forefront of AI innovation. Key Responsibilities Design and implement scalable AI/ML pipelines using Python Build, fine-tune, and deploy machine learning … on data preprocessing, feature engineering, and model evaluation Stay up to date with the latest AI research and tools, and apply them to real-world use cases Contribute to code reviews, testing, and documentation Required Skills & Experience Strong proficiency in Python and its AI/ML ecosystem (e.g., NumPy, Pandas, Scikit-learn, PyTorch, TensorFlow) Experience with machine learning model More ❯

part of a collaborative team working on real-world applications, from prototyping to production deployment.This is a hands-on role ideal for someone who enjoys solving complex problems, writing clean code, and staying at the forefront of AI innovation.?? Key Responsibilities Design and implement scalable AI/ML pipelines using Python Build, fine-tune, and deploy machine learning … on data preprocessing, feature engineering, and model evaluation Stay up to date with the latest AI research and tools, and apply them to real-world use cases Contribute to code reviews, testing, and documentation Required Skills & Experience Strong proficiency in Python and its AI/ML ecosystem (e.g. NumPy, Pandas, Scikit-learn, PyTorch, TensorFlow) Experience with machine learning model More ❯

Platform (GCP) Experience developing RESTful APIs Familiarity with Cloud Functions and Cloud Run Skilled in Docker and/or Kubernetes Understanding of CI/CD processes Strong grasp of clean code practices and scalable architecture Excellent communication and collaboration skills Tremendous opportunity to be part of a supportive, innovative environment with clear progression and the chance to make More ❯

Platform (GCP) Experience developing RESTful APIs Familiarity with Cloud Functions and Cloud Run Skilled in Docker and/or Kubernetes Understanding of CI/CD processes Strong grasp of clean code practices and scalable architecture Excellent communication and collaboration skills Tremendous opportunity to be part of a supportive, innovative environment with clear progression and the chance to make More ❯

are seeking a Python Developer - Coop - internally titled Junior Developer - Co-op. Job Summary Duties and Responsibilities Contribute to system design and software architecture Deliver scalable, reusable, testable and clean code with proper commenting and version control Work with researchers, developers, and product managers to implement new features Create and maintain internal documentation that communicates research findings, product … technologies (must be present and demonstrated in prior work experience) Ability to quickly read, deeply understand, and extend existing codebases Ability to explain, in detail, what each line of code is doing and the reasoning/intent behind it. Experience in back-end web development using python Experience with relational databases (e.g., SQL) Experience developing services and applications for More ❯

Your deep understanding of our systems and architecture will help shape smart solutions for new healthcare-focused projects. You'll be hands-on throughout the full development lifecycle: writing clean code, producing solid technical documentation, estimating effort for planning and quoting, and ensuring quality through peer reviews. Whether it's in-house or third-party work, you'll … Commercially aware with a strong understanding of business needs.• Holds a degree in Computer Science or equivalent professional experience. Ready to build tech that truly matters? At Ingenica, your code won More ❯

Your deep understanding of our systems and architecture will help shape smart solutions for new healthcare-focused projects. You ll be hands-on throughout the full development lifecycle: writing clean code, producing solid technical documentation, estimating effort for planning and quoting, and ensuring quality through peer reviews. Whether it's in-house or third-party work, you ll … Commercially aware with a strong understanding of business needs. • Holds a degree in Computer Science or equivalent professional experience. Ready to build tech that truly matters? At Ingenica, your code won t just sit in a backlog - it ll power real change in one of the world s most vital systems. You ll be part of a high-performing More ❯

Your deep understanding of our systems and architecture will help shape smart solutions for new healthcare-focused projects. You'll be hands-on throughout the full development lifecycle: writing clean code, producing solid technical documentation, estimating effort for planning and quoting, and ensuring quality through peer reviews. Whether it's in-house or third-party work, you'll … Commercially aware with a strong understanding of business needs. • Holds a degree in Computer Science or equivalent professional experience. Ready to build tech that truly matters? At Ingenica, your code won't just sit in a backlog - it'll power real change in one of the world's most vital systems. You'll be part of a high-performing More ❯

Your deep understanding of our systems and architecture will help shape smart solutions for new healthcare-focused projects. You’ll be hands-on throughout the full development lifecycle: writing clean code, producing solid technical documentation, estimating effort for planning and quoting, and ensuring quality through peer reviews. Whether it's in-house or third-party work, you’ll … Commercially aware with a strong understanding of business needs. • Holds a degree in Computer Science or equivalent professional experience. Ready to build tech that truly matters? At Ingenica, your code won’t just sit in a backlog - it’ll power real change in one of the world’s most vital systems. You’ll be part of a high-performing More ❯

Your deep understanding of our systems and architecture will help shape smart solutions for new healthcare-focused projects. You'll be hands-on throughout the full development lifecycle: writing clean code, producing solid technical documentation, estimating effort for planning and quoting, and ensuring quality through peer reviews. Whether it's in-house or third-party work, you'll … Commercially aware with a strong understanding of business needs. •Holds a degree in Computer Science or equivalent professional experience. Ready to build tech that truly matters? At Ingenica, your code won't just sit in a backlog - it'll power real change in one of the world's most vital systems. You'll be part of a high-performing More ❯

working (not fully remote) Salary Up to £130,000 base + bonus Benefits Private healthcare, pension, relocation & visa support, regular team events, high-spec workspace If you love writing clean Python and want to ship code that genuinely powers the markets, this is for you. You'll join one of the sharpest trading system teams in the digital … of global markets. You'll build internal tools, data pipelines, reconciliation engines and live-trading dashboards used by humans and machines alike. The kind of work where milliseconds and clean code both matter. You'll be trusted to get on with things and supported by people who know how to scale trading systems without over-engineering them. You More ❯

insight actionable - supporting everything from premium and ads growth to forecasting, experimentation, and global reporting. As engineers in the Financial Data Platform team, we turn messy, fragmented realities into clean, reusable foundations. We build core datasets that represent key financial domains like Premium, Ads, and Royalties. We create libraries and tools that empower others to produce and trust financial … Analytical Skills: Adept at breaking down complex problems and communicating insights effectively. Knowledgeable About Data Modeling: You treat data as a product, with strong data modeling capabilities. Passionate About Clean Code: Committed to writing high-quality, maintainable code and building robust data pipelines. Curious and Inquisitive: You have a deep curiosity about data and systems, always seeking More ❯

premium and ads growth to forecasting, experimentation, and global reporting. Location London Job type Permanent As engineers in the Financial Data Platform team, we turn messy, fragmented realities into clean, reusable foundations. We build core datasets that represent key financial domains like Premium, Ads, and Royalties. We create libraries and tools that empower others to produce and trust financial … Analytical Skills: Adept at breaking down complex problems and communicating insights effectively. Knowledgeable About Data Modeling: You treat data as a product, with strong data modeling capabilities. Passionate About Clean Code: Committed to writing high-quality, maintainable code and building robust data pipelines. Curious and Inquisitive: You have a deep curiosity about data and systems, always seeking More ❯