1 to 25 of 213 Clean Code Jobs in London

product leads and other technical leads to understand requirements, estimation and help refine roadmap. Raise the technical bar for the team both in code quality as well as testing coverage, monitoring and observability. Deliver customer value iteratively, serve as a technical lead, and own projects end-to-end. Communicating … with internal and external teams to bring new platforms to market are key responsibilities. Maintain and enhance software frameworks, mentor other engineers, participate in code reviews, and resolve platform-related issues. Support and assist during production issues. Support audit teams for security, software licensing, and regulatory audits, and implement ...

through meaningful challenges, strong mentorship, and a culture that rewards curiosity and craftsmanship. Here, you'll work alongside experienced engineers who are passionate about clean code, scalable architecture, and continuous improvement — and you'll have the opportunity to explore emerging technologies like AI and GenAI from day one. … Software Engineer II at the company within [Insert Team Name/Line of Business], you will ship secure, full-stack features, write clean Java code, and deepen your expertise in modern engineering practices — including microservices, event-driven architecture, and CI/CD — while building the foundation ...

environment. Strong predictive modeling foundation: Extensive experience with traditional ML algorithms, Deep Learning frameworks, and complex time-series forecasting. Experience developing production-grade Python code: High proficiency in Python, Pandas, and modern software practices (testing, clean code, code review, CI/CD). Data & Pipeline Expertise ...

Agile teams to translate complex business requirements into reliable, secure, and scalable software solutions. If you are passionate about backend engineering, microservices, and writing clean, efficient code in a fast-paced environment, we want to hear from you! What You Will Do Develop & Innovate: Design, build, test … backend services, and RESTful APIs. Collaborate: Work closely with Architects, Business Analysts, Product Owners, QA, and DevOps engineers throughout the software development lifecycle. Write Clean Code: Translate technical requirements into efficient, maintainable code using Spring Boot and microservices architectures. Ensure Quality: Participate in code reviews, unit ...

mentoring others Programming Skills: Have heavily used modern object-oriented languages such has C# or Java Enterprise Expertise: Expertise in software design patterns, clean code, and clean architecture principles & Knowledge of how to build REST APIs and have experience of messaging. Data Modelling: Worked with defining data … ASP.NET Core Use front end Typescript/React, ASP.NET MVC or C#/Blazor Cloud Experience: Build cloud first applications with high unit test code coverage on a continuous delivery platform with 100% infrastructure as code Package applications in containers and deploy on Azure Kubernetes Service Data Modelling ...

tech stack : You’ll work in React (JavaScript/TypeScript) on the frontend and Python (FastAPI, SQLAlchemy) on the backend, shipping production-ready code and user-facing features in addition to innovative ML work. Live on the cutting edge of AI tooling : You’ll help push the boundary … paced iterative environment : Collaborate closely with design, product, and beyond to deliver and iterate on impressive features and prototypes at world-class pace. Keep code clean and well-tested : Maintain clean, efficient, and tested code with clear documentation for both peers and future reference. Review, refine ...

businesses — and we're looking for engineers who take ownership, raise the bar, and grow fast. You'll work in a culture of strong code reviews, fast feedback, and scalable architecture, with real opportunities to deepen your technical influence and shape the future of financial technology. As a Software … within the Global Banking Technology team, you will own end-to-end delivery of secure, full stack features — turning requirements into solid designs, shipping clean Java code, and improving services built on microservices, Kafka/event-driven patterns, and CI/CD pipelines. You will troubleshoot complex production ...

client-facing platform. You’ll work closely with other engineers and cross-functional teams, take ownership of complex problems, and ship production-ready code that has real business impact. You’ll also contribute to design and architecture discussions and help maintain high standards for code quality and system … party systems, including asynchronous processing and event-driven architecture Shape technical direction, contribute to architectural decisions, and plan for scalability, performance, and reliability Write clean, pragmatic code with a strong focus on maintainability, observability, and security Investigate complex issues across distributed systems, identify root causes, and drive long ...

opportunity to work on technically challenging programmes where quality is fundamental to success. The Opportunity Our client is looking for engineers who enjoy writing code as much as they enjoy finding defects. As an SDET, you'll work closely with software engineers, DevOps specialists, architects, and business stakeholders … front-end applications. Integrating automated testing into CI/CD pipelines using tools such as Azure DevOps, Jenkins, or GitHub Actions. Writing clean, maintainable automated tests using Java, Python, C#, or JavaScript/TypeScript. Collaborating with multidisciplinary delivery teams to define effective quality strategies. Investigating test failures, identifying root ...

maintain in-house systems, APIs, reporting tools and the client web portal Customise and extend third-party trading systems to meet business requirements Write clean, well-tested code following SOLID principles, Design Patterns and Clean Code practices Apply TDD and BDD methodologies; maintain test coverage using … JUnit, Spock and Mockito Participate in code reviews and contribute to continual improvement of engineering standards Manage and mentor a team of Java (and other) developers, supporting growth and career development Liaise with various stakeholders (IT and Business) to understand requirements and propose solutions to senior stakeholders Essential 6+ ...

Docker containers, Kubernetes (K8s) , and building robust CI/CD pipelines . Software Engineering Fundamentals: Excellent command of data structures, algorithms, system design, and clean code architectures. Capabilities: Performance Optimisation: Ability to profile, debug, and optimize code to execute with minimal CPU and memory footprints in highly … Solving: Capability to diagnose complex, asynchronous race conditions across different browser environments and vendor scripts. Cultural Add: Engineering Excellence: You take pride in writing clean, well-tested, and maintainable code, avoiding unnecessary dependencies. Pragmatic & Technical Curiosity: You enjoy peeling back the layers of software to understand how things ...

serving millions of users—using Flutter and Dart. This large-scale environment requires a sharp focus on performance across the entire stack while upholding Clean Architecture standards. You will join a pioneering squad at the forefront of AI-assisted engineering, where 100% of the code deployed is authored … crew’s platformisation strategy. Key Responsbilities Develop complex, production-ready features for the MarineTraffic and Kpler mobile apps, upholding and protecting the team’s Clean Architecture standards. Participate in code reviews as a quality guardian, providing constructive feedback that elevates team standards. Collaboratively design and evolve the mobile ...

Saving Expert, building digital products and services that make a difference while always putting people first. We’re a team of creators. We write code, shape delivery, build go‐to‐market strategies, develop AI solutions and create the practices that support our people. We work side by side with … aligned with best practices. Develop and evolve component libraries and design systems with a focus on reusability, accessibility and consistency. Champion engineering excellence through clean code, automated testing, documentation and code reviews. Drive delivery across multiple initiatives while balancing speed, quality and commercial value. Mentor engineers through ...

Energy Intelligence Platform, turning energy complexity into seamless coordination. We help energy companies overcome today's challenges while accelerating the shift to a clean, electrified future. Leveraging Data, AI, and real-time decision-making we turn energy complexity into growth opportunities for our partners. By combining predictive algorithms with … human-centred design, the company makes clean energy dependable and affordable. With teams across Europe, North America, Asia and Australia, and a joint venture with Mitsubishi Corporation in Japan, we power leading companies including OVO, AGL and ENGIE, as well as innovators like Volvo and Volkswagen. What will ...

products. * Develop and maintain platform tooling, automation, observability, monitoring and CI/CD capabilities. * Build software solutions using Python and modern engineering practices. * Write clean, maintainable code and infrastructure-as-code solutions to support service delivery. * Embed Site Reliability Engineering principles including SLIs, SLOs, error budgets … with engineers, architects, product teams and stakeholders whilst coaching and mentoring colleagues. Essential Skills for the Senior Backend Engineer (Site Reliability) include: * Experience writing clean, maintainable code in at least one programming language. * Experience designing, operating and improving distributed systems, focusing on reliability, performance and user outcomes. * Experience ...

products. * Develop and maintain platform tooling, automation, observability, monitoring and CI/CD capabilities. * Build software solutions using Python and modern engineering practices. * Write clean, maintainable code and infrastructure-as-code solutions to support service delivery. * Embed Site Reliability Engineering principles including SLIs, SLOs, error budgets … with engineers, architects, product teams and stakeholders whilst coaching and mentoring colleagues. Essential Skills for the Senior Backend Engineer (Site Reliability) include: * Experience writing clean, maintainable code in at least one programming language. * Experience designing, operating and improving distributed systems, focusing on reliability, performance and user outcomes. * Experience ...

software solutions that support our clients business systems, data pipelines, and automation initiatives. This is an excellent opportunity for a developer who enjoys writing clean, efficient code and wants to contribute to projects with real business impact, including data integration, workflow automation, and system modernisation. What the ideal … Design, develop, test, and maintain Python applications, scripts, and services Build and maintain APIs and integrations with third-party systems and internal platforms Write clean, well-documented, and testable code following best practices (PEP 8, SOLID principles) Collaborate with cross-functional teams (product, data, QA, operations) to translate ...

team, operational learnings from the bring‐up teams, and security guidance from the security engineering team. The output of this role is production platform code, not configuration, not runbooks. What You Will Be Doing Common across every platform engineering team: Design and implement Kubernetes operators and controllers that manage … call rotation, incident response, and the follow‐up work that closes structural gaps rather than only the immediate issue. Hold to clean interface and versioning practice on anything other teams or customers depend on, including disciplined handling of breaking changes. Participate in code review, technical design discussions ...

demonstrate that you can think on multiple levels; from strategic and tactical to driving operational excellence and system availability. You are adept at reading code and designing and delivering systems that can exceed the exacting demands of our clients. Our tech stack Java/Spring Boot ecosystem (and some … AWS. Applicable knowledge of event streaming technologies (e.g. Kafka). Excellent communication skills, solid work ethic, and a strong desire to write production-quality code Good experience of delivering software in an Agile manner, working as part of a Scrum team. You write high quality, clean code ...

platform to move money across borders. As a Senior Fullstack Engineer in our Payments Experience (PayE) team, you won’t just write code–you’ll architect the high-scale web applications and platform tooling that enable our entire engineering org to ship fast, reliable features. If you thrive … design through our collaborative Request for Comments (RFC) process. True Ownership: Live the "you build it, you run it" ethos–owning everything from local code and containerization to CI/CD pipelines and production monitoring. Elevate the Team: Mentor junior and mid-level engineers, fostering a culture focused ...

Test-Driven Development (TDD), Agile methodologies, and DevOps culture. Comfortable with front-end technologies such as HTML, CSS, and JavaScript. Desirable Skills Awareness of clean coding and SOLID principles. Exposure to AWS cloud services. Experience with JUnit or other testing tools. Basic knowledge of XML/JSON data formats ...

emphasis on building world-class Restful services. You will be the go-to technical expert for the .NET ecosystem, containerization(Docker/Kubernetes), and clean code practices. Additionally, we are looking for a modern architect who actively utilizes AI-driven engineering tools to optimize workflows, accelerate design phases … native development and deployment workflows using Docker. Design, configure, and optimize enterprise deployments on Kubernetes (K8s),managing ingress, service meshes, scalability, and resource limits. Code Quality & Engineering Standards Establish rigorous code quality baselines, promoting SOLID principles, classic design patterns, and clean architecture templates. Set standards for testing ...

they scale, supporting our expansion of new products and supporting services in the US. We believe that software engineering is more than just code - it's about people. We believe that the best teams are made of great people. That fundamentally great software engineering is about alignment, sharing what … What we're looking for technically Strong commercial Kotlin or JVM based engineering experience (willingness to work with Kotlin) An ability to write simple, clean code Experience and understanding of databases; relational databases are a must, NoSql would be nice too Be able to quickly understand complex, financial ...

comfortable with numerical methods, linear algebra, partial differential equations, probability theory and statistics An engineer – who has a passion for computer science, system performance, clean code and architecture with an owner mentality A doer – who is enthusiastic about new challenges, accepts a broad spectrum of responsibilities, and works … calculating market risk metrics across asset classes, including equity, credit, FX, fixed income, commodities, crypto, and their derivatives Write modern, high-performance C++ code that is clean, reusable, well-tested, and optimized for large-scale distributed systems using a high-performance grid computing platform Leverage Python ...

establish scalable quality practices and testing strategies. Lead investigations into complex failures across software, infrastructure, networking, and automation systems. Mentor engineers and contribute to code reviews, design discussions, and technical decision-making. AI & Intelligent Automation Partner with Viasat’s Data & AI team to design and build Agentic AI solutions … libraries, and automation platforms. Experience building and scaling automation solutions for large, complex systems. Deep understanding of software development fundamentals, including object-oriented design, clean code practices, software architecture, and testing strategies. Experience designing and operating CI/CD systems using tools such as Jenkins, GitHub Actions, GitLab ...