1 to 25 of 33 Permanent Clean Code Jobs in London

messaging and cloud-based integration. Design and develop applications across Azure, AWS or GCP . Contribute to CI/CD, DevSecOps and Infrastructure as Code practices. Work collaboratively within Agile and scaled Scrum teams. Integrate emerging technologies, including AI-driven development . Promote clean architecture, secure coding … software design patterns . Proven experience leading, mentoring and supporting software engineering teams. Experience building user-facing web applications . Strong understanding of clean code, clean architecture and modern engineering practices. Experience with cloud platforms such as Azure, AWS or GCP . Experience with Docker, Kubernetes ...

leading, mentoring and developing engineers Strong experience with a modern object-oriented language, ideally C# or Java Deep understanding of software design patterns, clean code and clean architecture Experience building REST APIs and working with messaging systems Confidence defining data models and working with databases Experience delivering … applications using TypeScript/React, ASP.NET MVC or Blazor Developing cloud-first applications with strong unit test coverage, continuous delivery and 100% infrastructure-as-code Containerising and deploying applications through Azure Kubernetes Service (AKS) Working with Entity Framework Code First against Azure SQL and NoSQL databases Designing resilient ...

track record of leading and mentoring engineers Strong experience in a modern object-oriented language (C# or Java) Deep knowledge of software design patterns, clean code and clean architecture Experience building REST APIs and working with messaging systems Confidence defining data models and working with databases Experience … work in TypeScript/React, ASP.NET MVC or Blazor Building cloud-first applications with strong unit test coverage, continuous delivery and 100% infrastructure-as-code Containerising and deploying applications via Azure Kubernetes Service Working with Entity Framework code-first data against Azure SQL or NoSQL databases Designing resilient ...

track record of leading and mentoring engineers Strong experience in a modern object-oriented language (C# or Java) Deep knowledge of software design patterns, clean code and clean architecture Experience building REST APIs and working with messaging systems Confidence defining data models and working with databases Experience … work in TypeScript/React, ASP.NET MVC or Blazor Building cloud-first applications with strong unit test coverage, continuous delivery and 100% infrastructure-as-code Containerising and deploying applications via Azure Kubernetes Service Working with Entity Framework code-first data against Azure SQL or NoSQL databases Designing resilient ...

DevOps: Azure (App Services, OpenAI, AKS), GCP (Vertex AI, Cloud Run), Docker, GitHub Actions, Azure DevOps, RBAC and cost controls. Solid software engineering fundamentals: Clean Code (SOLID, DRY), DDD, modular architecture, TDD and code quality tooling. Desirable: RAG pipelines, MCP, LLM integration (OpenAI, Gemini, Hugging Face models ...

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 ...

automated testing, packaging, promotion/rollback, model/version management) to enable repeatable releases Develop reusable engineering assets (libraries, templates, reference architectures, infrastructure-as-code patterns) to reduce technical debt and accelerate delivery Implement observability for AI services (logging/metrics/tracing), model performance monitoring, and quality/… into technical designs; communicate trade-offs and recommendations clearly to both technical and non-technical stakeholders Contribute to engineering standards and ways of working (code reviews, design reviews, documentation) and help uplift team capability through practical coaching To be successful in this role you should meet the following requirements ...

automated testing, packaging, promotion/rollback, model/version management) to enable repeatable releases Develop reusable engineering assets (libraries, templates, reference architectures, infrastructure-as-code patterns) to reduce technical debt and accelerate delivery • Implement observability for AI services (logging/metrics/tracing), model performance monitoring, and quality/… into technical designs; communicate trade-offs and recommendations clearly to both technical and non-technical stakeholders Contribute to engineering standards and ways of working (code reviews, design reviews, documentation) and help uplift team capability through practical coaching To be successful in this role you should meet the following requirements ...

uncertain areas of work Break down requirements into deliverable epics and user stories alongside product and initiative managers Develop and deliver production-ready code across the full stack Ensure high standards of quality, maintainability, performance and security Support and improve live systems once deployed Influence technical direction, tooling … 10+ years) 5+ years of JavaScript and TypeScript experience Solid background in system design and scalable architectures Experience building large, production SaaS platforms A clean-code mindset (SOLID principles, design patterns, testable code) Experience working in mature CI/CD and continuous deployment environments A commercial mindset ...

upskilling client engineers during Transform engagements * Evaluating emerging AI tools, frameworks and protocols, and making pragmatic adoption calls Essential Skills * Strong software engineering foundations - clean code, testing, CI/CD, production mindset - with strong general-purpose programming (e.g. Python, TypeScript) and proficiency in 2+ modern languages * Full-stack ...

Contribute to the continuous evolution of our electronic trading infrastructure. Mentorship & Technical Leadership Provide guidance and mentorship to junior developers. Champion engineering best practices, clean code principles and robust design patterns. What You will Bring Strong hands-on Java development experience within low latency financial systems. Deep understanding ...

Transform engagements Evaluating emerging AI tools, frameworks and protocols, and making pragmatic adoption calls What We're Looking For Essential: Strong software engineering foundations (clean code, testing, CI/CD, production mindset) Hands-on experience with LLMs - this can come from personal projects, not just professional work ...

Transform engagements Evaluating emerging AI tools, frameworks and protocols, and making pragmatic adoption calls What We're Looking For Essential: Strong software engineering foundations (clean code, testing, CI/CD, production mindset) Hands-on experience with LLMs - this can come from personal projects, not just professional work ...

developing web applications and distributed systems in a production environment Experience with common design and architectural patterns coupled with a passion for writing clean code that is performant and well tested Curiosity and drive for continuous learning and improvement Following and advocating best coding practices, continuous delivery … code reviews Experience working with relational and non-relational databases, query optimisation and designing schemas is a plus Knowledge of Java and Spring boot and experience with a messaging system, like Kafka, is a plus Being part of the on-call rotation for our critical services and helping ...

developing web applications and distributed systems in a production environment Experience with common design and architectural patterns coupled with a passion for writing clean code that is performant and well tested Curiosity and drive for continuous learning and improvement Following and advocating best coding practices, continuous delivery … code reviews Experience working with relational and non-relational databases, query optimisation and designing schemas is a plus Knowledge of Java and Spring boot and experience with a messaging system, like Kafka, is a plus Being part of the on-call rotation for our critical services and helping ...

office Salary: £110,000 + Benefits/Bonus Are you the kind of tech leader who still loves to build? The one who writes code, architects solutions, mentors engineers and still gets a buzz from seeing it all come to life? Our client is looking for a Hands … record of delivering digital identity or loyalty solutions at scale. Deep technical expertise in Azure, cloud architecture, APIs, and modern engineering. A love for clean code, smart systems, and solving tough problems. Passion for using AI to enhance development from automation to insight. The confidence to lead from ...

office Salary: £110,000 + Benefits/Bonus Are you the kind of tech leader who still loves to build? The one who writes code, architects solutions, mentors engineers and still gets a buzz from seeing it all come to life? Our client is looking for a Hands … record of delivering digital identity or loyalty solutions at scale. Deep technical expertise in Azure, cloud architecture, APIs, and modern engineering. A love for clean code, smart systems, and solving tough problems. Passion for using AI to enhance development from automation to insight. The confidence to lead from ...

office Salary: £110,000 + Benefits/Bonus Are you the kind of tech leader who still loves to build? The one who writes code, architects solutions, mentors engineers and still gets a buzz from seeing it all come to life? Our client is looking for a Hands … record of delivering digital identity or loyalty solutions at scale. Deep technical expertise in Azure, cloud architecture, APIs, and modern engineering. A love for clean code, smart systems, and solving tough problems. Passion for using AI to enhance development from automation to insight. The confidence to lead from ...

event-driven integration patterns. Work with Product, QA and frontend engineers to deliver high-quality features from design through to release. Write clean, testable code and contribute to code reviews and engineering standards. Troubleshoot integration failures, production issues and performance problems. Improve automated testing, CI/ ...

microservices that are reliable, secure and easy to maintain Collaborate closely with Product, Design and Engineering teams to deliver new features Take part in code reviews, pair programming and technical discussions Identify opportunities to improve development practices, tooling and Agile processes Mentor junior engineers and provide technical leadership across … architecture Strong knowledge of relational databases and data modelling Experience working with cloud platforms, ideally AWS Excellent problem-solving skills and a passion for clean, maintainable code Strong communication skills with the ability to work across technical and non-technical teams Experience mentoring or supporting other developers ...

React-based user interfaces for handling user tasks. Develop and maintain backend services using Java and SQL-based systems. Analyze business requirements and deliver clean, scalable, and testable code. Ensure all features and user stories are delivered with 100% automated test coverage. Participate actively in SCRUM ceremonies and keep … processes with enterprise applications APIs and microservices Support process analysis automation and transformation initiatives aligned to enterprise architecture and security standards Work with ClaudeClaude Code and AIassisted engineering tools to accelerate process modelling workflow generation and validation activities Collaborate with architects engineers and business stakeholders in an Agile delivery ...

with cross-functional teams to help define, design, build, and release new Android mobile features that directly impact the customer experience Develop and maintain clean, efficient, testable, and reusable Kotlin code aligned with modern Android engineering standards Build intuitive user interfaces using modern Android technologies, including Jetpack Compose … support continuous and predictable delivery Communicate progress, blockers, and technical considerations clearly to team members and stakeholders across a geographically distributed organization Engage in code reviews, applying and reinforcing engineering best practices across the team Stay informed on emerging Android development trends, tools, libraries, and platform updates to bring ...

areas of software design, integration, and infrastructure. Responsibilities: Translate high-level requirements into detailed technical designs, encompassing architecture, data structures, and algorithms. Write clean, maintainable, and efficient code in accordance with established coding standards and best practices. Develop and execute thorough unit, integration, and system tests to ensure … code quality and functionality, including automated testing where applicable. Participate in code reviews to provide constructive feedback and ensure adherence to best practices. Document technical specifications, design decisions, and implementation details for future reference and knowledge sharing. ...

development and cloud infrastructure for a technically led & growing UK-based company. You'll own the full lifecycle of data transformation applications, from writing clean, efficient Python code to designing the AWS architecture that runs it, working closely with an established cloud engineering team on scalable, high-performance … streams, and solid Git and CI/CD practices (desirable) Why you'll love this job Genuine end-to-end ownership, from writing the code to designing the infrastructure it runs on The flexibility to work remotely or hybrid, with just occasional visits to a collaborative Southwest UK-based ...

working on Building, optimising, and deploying price optimization machine learning ETL/ELT pipelines and data processes. Improving and adapting our data infrastructure and code base as we scale – including collaboration, security, scalability, efficiency, automation and auditability. Interacting with new clients on client pitches, and working with existing clients … will reflect experience. Proficiency in Python (pandas, numpy) Professional experience with Azure cloud services (AWS/GCP acceptable with deeper experience) Strong experience deploying clean, maintainable, production-level code. Basic understanding of DAG (Directed Acyclic Graphs) and their role in pipeline orchestration It would be nice if you could ...