1 to 25 of 76 Clean Code Jobs in London

Looking for a Senior Java Developer that has worked with Kotlin. The ideal candidate should be passionate about clean code and scalable solutions. This opportunity will allow you to design robust Microservices Architecture, within an automated data-heavy environment. This will be an initial 6 month contract with … DevOps methodologies and scalable CI/CD pipelines Microservices Architecture Exposure to Big Data technologies such as: Kafka, Spark, Hadoop etc Strong understanding of clean code principles Experience working with AWS Cloud Kotlin experience (preferred ...

maintain scalable full-stack applications using modern technologies Lead architectural design and implementation of complex software solutions Drive best practices across software engineering, including clean code, testing, and security Mentor and support engineers through code reviews, coaching, and knowledge sharing Lead and contribute to Agile ceremonies, ensuring … also considered) Experience with containerisation tools such as Docker and Kubernetes Strong knowledge of CI/CD pipelines, automated testing, and Infrastructure as Code Solid understanding of relational and NoSQL database design Experience working in Agile environments with a focus on delivery and collaboration Proven ability to mentor engineers ...

pipelines using tools 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 to deliver high-impact features and improvements. Participate in code reviews, architectural discussions, and continuous improvement initiatives. Required Skills & Experience Strong proficiency in Java, Spring Boot, and modern backend development. Hands-on experience with AWS cloud services (Lambda, API Gateway, DynamoDB, ECS, S3, etc.). Solid understanding ...

Containerise services (Docker) and support deployments to Kubernetes/OpenShift and/or cloud platforms, following infrastructure and release standards. · Promote engineering best practices (clean code, reviews, documentation) and contribute to technical design discussions to improve platform resilience and maintainability. Your Profile Essential skills/knowledge/experience … REST APIs, service-to-service communication, resilience patterns) and integrating with distributed systems · Strong engineering practices including unit/integration testing (JUnit/Mockito), code reviews, and experience working with CI/CD pipelines · Experience with data persistence and integration, such as SQL and ORM frameworks (JPA/Hibernate ...

data, and design teams to shape solutions Supporting live services, including monitoring, troubleshooting, and optimisation Contributing to CI/CD pipelines and infrastructure as code Writing clean, testable, maintainable code Participating in code reviews, pairing, and team delivery Tech Stack & Environment Backend: Scala, Java (Python desirable … with data platforms or risk/fraud systems How You'll Work Deliver value iteratively and early Collaborate closely across disciplines Write simple, maintainable code Take ownership of services end-to-end Continuously improve systems and team practices Reasonable Adjustments: Respect and equality are core values to us. ...

using frameworks such as LangChain Implement and manage payment systems, including Stripe integrations and subscription flows Build image processing and computer vision pipelines Write clean, maintainable, and well-documented code deployed via Docker and CI/CD pipelines Collaborate using GitHub, maintaining high code quality and team … Experience with Docker, GitHub, and modern deployment workflows Knowledge of cloud platforms (AWS, GCP, or Azure) Strong understanding of software design principles (SOLID, patterns, clean code) Experience with BaaS platforms such as Supabase or Firebase Ability to thrive in fast-paced, high-ownership environments Nice to Have Experience ...

define regulatory logic, and our Snowflake data warehouse, ensuring scalability, auditability, and fitness for client-facing regulatory use cases. You’ll be writing clean, maintainable and well-tested code that follows best practices. As a senior member of the team, you will be providing technical leadership and mentorship … PySpark. Able to write and optimize complex SQL queries on large data sets. Strong data modeling and warehouse design fundamentals. Strong software engineering fundamentals (clean code, automated testing, CI/CD, observability) Experience with modern cloud data platforms and orchestration tools. Comfortable translating complex regulatory requirements into technical ...

DevOps, and QA, to ensure software meets business requirements. Implement and optimise CI/CD pipelines to enhance development efficiency and software quality. Conduct code reviews, providing constructive feedback to enhance team performance and code quality. Troubleshoot and resolve technical issues, ensuring software operates smoothly and efficiently. Stay … successful delivery. Proficiency in multiple programming languages Experience in central government advantageous Experience in a consulting environment Skills So ftware Development Expertise in writing clean, maintainable code and optimising software for performance and scalability. Ability to design and implement software that meets business and technical requirements. Ensure ...

performance, and mentoring less- experienced engineers in workflow-centric delivery. This is an ideal role for someone who enjoys solving complex process problems through clean code, automation, and modern engineering practices. The role involves visiting client sites; the company will cover travel expenses. Frequency is uncertain but candidates … maintain automated test suites, CI/CD pipelines, and containerised deployments Optimise Camunda engine performance and monitor workflow metrics for production environments Participate in code reviews, peer testing, and technical design discussions Contribute to their internal best-practice frameworks and automation accelerators Essential Eligible (have resided ...

fast-moving, product-focused environment. Responsibilities Play a key role in shaping and maintaining the backend infrastructure, built on a modern JVM stack Write clean, well-tested, production-ready code that the team can rely on Bring fresh ideas to the table — challenging existing approaches and proposing better … Boot or Kotlin or Java to build robust microservices A passion for creating API-first products Ability to write efficient, secure, well-documented, and clean code Familiar with Agile principles and best practices such as peer code review and pair programming Clear understanding of fundamental computer science ...

Azure).* Strong understanding of OAuth2, OpenID Connect, and identity federation protocols.* Proficiency in Linux internals, networking, and performance profiling.* Experience with infrastructure as code, CI/CD pipelines, and monitoring tools.* Passion for clean code, automation, and continuous improvement.* Excellent interpersonal skills and a collaborative mentality.What ...

apply them Experience with software engineering and DevOps best practices as well as the complete SDLC applied to data, e.g. automation, testing, contract definition, clean code, CI/CD, path to production Worked with one or more cloud platforms and services (AWS, Azure, GCP) Extensive hands‐on experience ...

requirements into scalable, secure, and maintainable architecture * Guide and support one or more digital squads through technical direction, engineering quality, and decision-making * Champion clean code, modular design, automated testing, CI/CD, and DevSecOps practices * Coach junior and mid-level engineers, providing feedback, guidance, and development opportunities ...

across the 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 … Deliverables: Responsibilities but not limited to: Design and develop reusable, production-ready Python components for AI applications. Translate experimental and proof-of-concept Python code into robust, production-ready applications for seamless integration with engineering and product teams. Write high-quality, well-documented, and testable Python code, ensuring ...

with distributed backend services. This role offers significant ownership and the opportunity to mentor other engineers, contribute to technical strategy, and establish standards for clean, maintainable, and testable code. You’ll be working on systems that are critical to global financial markets, requiring both technical excellence and a strong ...

Master’s: 1–2 years of industry experience or relevant internships in ML, software engineering, or data engineering. Programming experience (especially Python) Experience writing clean, maintainable Python code. Applied AI experience such as exposure to LLM APIs (OpenAI, Azure OpenAI, Anthropic, etc.) and experience with small personal or internship ...

Data Engineers whilst remaining hands-on with delivery and architecture. You'll be providing technical leadership and mentorship to your team, and writing clean, maintainable, and well-tested code. You will be accountable for our configuration-driven data platform in Databricks, enabling non-engineers to define regulatory logic … environments. Able to write and optimize complex SQL queries on large data sets. Strong data modeling and warehouse design fundamentals. Strong software engineering fundamentals (clean code, automated testing, CI/CD, observability) Experience with modern cloud data platforms and orchestration tools. Ability to translate complex regulatory requirements into ...

Leadership experience (you'll help guide others!) 👀 What You’ll Do: Collaborate with traders and stakeholders for real-time feedback Lead design discussions, write clean code, and mentor junior engineers Shape how the company builds, scales, and maintains tech Deliver software that powers both internal trading and external ...

with business analysts, implementation managers and client technical teams to understand client data and reporting requirements. Required Experience: Strong software engineering fundamentals including OOP, clean code, automated testing, CI/CD and observability. Fluent in python and the python data ecosystem (e.g. pandas). Experience building large ...

guide the team's priorities. Design, develop, and maintain full-stack applications using Node.js, AWS Lambda, React with Next.js, TypeScript, and Terraform. Write clean, efficient, and well-tested code that adheres to best practices and coding standards. Ensure code quality, organisation, and automatisation. Optimise applications for maximum … speed and scalability. Deploy applications using CI/CD pipelines and manage infrastructure as code with Terraform. Provide technical guidance and mentorship to junior developers. Stay up-to-date with new technology trends, applications, and protocols. Contribute to the development of technical documentation and standards. ABOUT YOU Qualifications Bachelor ...

architectures. Collaborate: Work with Project Leads, BAs, and DevOps to translate requirements into technical solutions and manage CI/CD pipelines. Quality Assurance: Write clean code, perform unit/integration testing, and participate in peer code reviews. Mentor: Guide junior developers and uphold high engineering standards across ...

optimisation, and API design will be essential as you contribute to ongoing development projects. If you enjoy collaborating in Agile/Scrum environments, value clean code, and are eager to work with modern tooling, cloud services, and containerised deployments, we'd love to hear from you. Key Skills ...

house that was previously outsourced, the Software Engineer will be responsible for developing high-quality applications using C#, .NET, React and SQL Server, ensuring clean architecture and maintainable code. The Software Engineer will be working within a complex, fully cloud-based Azure environment, where all solutions are deployed, integrated ...

focus on quality, learning, and continuous improvement. Competitive compensation package including equity and benefits. If you enjoy collaborative engineering cultures and care deeply about clean code, testing, and delivery practices, this could be a strong fit. ...

Hibernate development practices Proven ability to build microservices and reliable RESTful APIs Hands-on experience applying TDD and BDD testing approaches Good understanding of clean coding principles, SOLID, and cloud technologies Previous experience in the Finance/Fintech Industry is beneficial Key Responsibilities Design, implement, and thoroughly test ...