26 to 50 of 213 Clean Code Jobs in London

Senior Software Engineer

Location
Greater London, England, United Kingdom
queries, and familiarity with NoSQL databases. Familiarity with CI/CD workflows and the deployment of workloads to cloud infrastructure. Passion for writing clean, testable and robust code. A BSc in Computer Science or Mathematics (or equivalent experience). Enjoy working in a fast paced, high-growth environment. ...

Full Stack Technical Lead

Location
Greater London, England, United Kingdom
high‐performing engineering team. What You’ll get to do Provide hands‐on development across front‐end (React) and back‐end (Java) components. Lead code reviews and ensure adherence to engineering standards. Establish best practices for: Clean code and maintainability; Testing strategy (unit, integration, E2E); CI/ ...

Node Developer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
Salary
£65,000
party services to integrate and enhance system functionality. Database Management: Develop and maintain database architectures (e.g., MongoDB, PostgreSQL, MySQL) for robust data storage solutions. Code Optimization: Write clean, modular, and reusable code, adhering to best practices and design patterns. Testing and Debugging: Conduct unit and integration testing … smooth user experiences. Continuous Learning: Stay updated on the latest trends in Node.js and related technologies, applying new knowledge to improve system performance and code quality. Agile Methodology: Participate in Agile development cycles, contributing to sprint planning, code reviews, and continuous delivery. Key Skills/Experience: Proven experience ...

Senior Kotlin Engineer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
internal tools and 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 … Jupiter, Kotest and TestContainers for automated testing What technical skills you'll need to have Strong commercial Kotlin experience 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 ...

Senior Kotlin Engineer

Location
Westminster, West End, United Kingdom
internal tools and 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 … Jupiter, Kotest and TestContainers for automated testing What technical skills you'll need to have Strong commercial Kotlin experience 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 ...

Full Stack Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£65000 - £70000/annum
DevOps: Deploy and maintain cloud-native applications on AWS and Kubernetes while supporting automated CI/CD pipelines. Technical Leadership: Mentor junior engineers, enforce clean code standards, and drive performance optimizations. Domain Alignment: Apply investment banking and risk management knowledge to translate business requirements into technical solutions. Technical ...

Java + CloudNative

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£65000 - £70000/annum
DevOps: Deploy and maintain cloud-native applications on AWS and Kubernetes while supporting automated CI/CD pipelines. Technical Leadership: Mentor junior engineers, enforce clean code standards, and drive performance optimizations. Domain Alignment: Apply investment banking and risk management knowledge to translate business requirements into technical solutions. Technical ...

Lead Full Stack Engineer (C#, .Net, Angular)

Hiring Organisation
Revybe IT Recruitment Ltd
Location
London, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £125,000 per annum
providing technical guidance, mentoring, and support while remaining heavily involved in software design, architecture, and development. You'll help shape the engineering culture, champion clean code and modern development practices, and influence the technical roadmap as the company continues its rapid growth. If you're someone who enjoys … deliver exceptional user experiences. Drive frontend best practices, ensuring applications are performant, accessible, and maintainable. Design and implement scalable microservices and RESTful APIs. Champion Clean Architecture, SOLID principles, and modern software engineering practices across the team. Conduct code reviews, provide technical mentoring, and support engineers with architectural ...

Lead Fullstack Engineer (C#, .Net, Angular)

Hiring Organisation
ReVybe IT Recruitment Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
£100000 - £125000/annum
providing technical guidance, mentoring, and support while remaining heavily involved in software design, architecture, and development. You'll help shape the engineering culture, champion clean code and modern development practices, and influence the technical roadmap as the company continues its rapid growth. If you're someone who enjoys … deliver exceptional user experiences. Drive frontend best practices, ensuring applications are performant, accessible, and maintainable. Design and implement scalable microservices and RESTful APIs. Champion Clean Architecture, SOLID principles, and modern software engineering practices across the team. Conduct code reviews, provide technical mentoring, and support engineers with architectural ...

Senior AI Engineer

Location
Greater London, England, United Kingdom
scientists, engineers, and other stakeholders to scope and deliver AI features that address real insurance business problems. Own the full software lifecycle, including design, code review, testing, deployment, monitoring, and production support. Translate complex business requirements into well-scoped technical solutions with a strong focus on reliability, maintainability, failure … modes, and operational excellence. Mentor and support junior engineers through design reviews, code reviews, and technical guidance. Contribute to technical standards, best practices, and reusable patterns for AI engineering across the team. Evaluate and improve model quality, retrieval strategies, prompt and agent design, and production performance over time. Partner ...

ai engineer for agentic applications

Location
Greater London, England, United Kingdom
tools, data sources, and business workflows into reliable production-grade pipelines; Drive systems from prototype to production, owning reliability, scalability, and operational readiness; Improve code quality, structure, and production readiness across the AI/ML stack; Debug and resolve issues across APIs, environments, and integrations; Act as the primary … evolve engineering standards for productionising AI/ML, including testing, observability, versioning, and release management; Mentor and guide data scientists and engineers through code reviews and hands-on technical support; Champion disciplined engineering, continuous improvement, and operational excellence within Data Science. Требования Degree in Computer Science, Artificial Intelligence, Machine ...

Senior Machine Learning Scientist

Location
Greater London, England, United Kingdom
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 ...

Senior Software Engineer - Margin Technology - Assistant Vice President

Location
Greater London, England, United Kingdom
Java, React and/or Python* Strong hands-on experience of building RESTful APIs using popular frameworks like Spring* Experience of following TDD and clean code principles* Proficiency with data structures, algorithms and SQL* Able to independently work in fast paced and rapidly changing environment**Preferred Qualifications*** Experience ...

Research Software Engineer

Location
Greater London, England, United Kingdom
distributed services that let our scientists train and ship frontier-scale models. You do not need prior ML experience; what matters is writing clean, reliable code that scales. You will join our Research Software Engineering team to build and maintain shared dev-tools, evaluation & data pipelines, training framework … will you do Accelerate researchers by owning the complex parts of large-scale pipelines and delivering robust internal tooling. Interface research with product: expose clean APIs, automate model pushes, surface live metrics. Write efficient, well-tested Python and systems code; enforce code review, CI, and observability. Design ...

Lead Software Engineer - JAVA - Equities - Vice President

Location
Greater London, England, United Kingdom
micro-service architectures and best practices Proficient in all aspects of the Software Development Life Cycle Good understanding of software design patterns and clean code practices Strong written and oral communication skills Proficiency in automation and continuous delivery methods Advanced understanding of agile methodologies, CI/CD, Application ...

Senior Lead Software Engineer - Mobile Engineering

Location
Greater London, England, United Kingdom
platform across iOS and Android. This is a architect-level, hands-on leadership role : you'll define the technical direction, contribute directly to production code, and provide day-to-day technical leadership for both the iOS and Android teams. Job Responsibilities Own and evolve the end-to-end mobile … Security, Risk, and QA to translate business goals into robust technical solutions and delivery plans. Define and enforce a high bar for engineering excellence: code quality, maintainability, security, performance, accessibility, and reliability. Establish and improve mobile SDLC practices: planning, development, peer review, testing, release management, and operational support. Lead ...

Senior Lead Software Engineer - Mobile Engineering

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
platform across iOS and Android. This is an architect-level, hands-on leadership role : you'll define the technical direction, contribute directly to production code, and provide day-to-day technical leadership for both the iOS and Android teams. Job Responsibilities Own and evolve the end-to-end mobile … Security, Risk, and QA to translate business goals into robust technical solutions and delivery plans. Define and enforce a high bar for engineering excellence: code quality, maintainability, security, performance, accessibility, and reliability. Establish and improve mobile SDLC practices: planning, development, peer review, testing, release management, and operational support. Lead ...

Java Developer

Hiring Organisation
Matchtech Mobility
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£540 - £640 per day
fast-paced project environment. Key Responsibilities Design, develop, test, and maintain Java-based applications and services. Translate business and technical requirements into clean, efficient, and maintainable code. Develop backend services, RESTful APIs, and integrations with internal and third-party systems. Build and enhance solutions using Spring Boot, Spring … Hibernate, and microservices architectures. Work closely with Architects, Business Analysts, QA teams, Product Owners, and DevOps engineers throughout the development lifecycle. Participate in code reviews and promote coding best practices and quality standards. Support unit testing, debugging, troubleshooting, and defect resolution activities. Participate in Agile ceremonies including sprint planning ...

Senior Associate Engineer (Digital Product Team)

Hiring Organisation
Canada Life
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
with a solid grounding in full lifecycle software development. On top of that, you will have a genuine interest in what happens after the code is written, how we deploy, operate, observe, and continuously improve our services in production. Designing, building, deploying, and supporting software across front and backend … Live the "you build it, you run it" model. Implement and refine DevOps practices, building and owning CI/CD pipelines, managing infrastructure as code, and instrumenting services with observability (metrics, logs, and traces) so their health is visible. Take part in operating live services, including release management, alerting ...

Senior AI/ML Python Engineer — Hybrid London

Location
Greater London, England, United Kingdom
Python backend powering AI/ML driven solutions, deploy cloud infrastructure, and integrate AI components with data and compute resources. You will write clean code with automated tests and participate in code reviews. The role requires strong Python skills, experience in testing, and familiarity with cloud-native ...

Senior Backend Engineer - AI Security Platform

Location
Greater London, England, United Kingdom
join our R&D team in London. You will develop and maintain large-scale distributed services powering our platform, tackling scaling challenges with clean, efficient code. Ideal candidates have 6+ years in backend development using Java, Go, or C#, and solid cloud exposure (AWS/GCP/Azure) plus ...

C++ Software Developer | Data Infrastructure

Hiring Organisation
Ncounter Limited
Location
E1, Mile End and Globe Town, Greater London, United Kingdom
Employment Type
Permanent
Salary
£160000 - £180000/annum plus Bonus & Package
commercial C++ development Strong Linux experience Microservices and/or asynchronous multithreaded applications Excellent debugging and performance optimisation skills Strong software engineering fundamentals and clean coding practices Degree in Computer Science, Engineering or a similar technical discipline You'll work with Modern C++ Distributed systems Large-scale data processing ...

Senior Software Engineer

Hiring Organisation
XCEEDANCE LIMITED
Location
London, UK
Employment Type
Full-time
native microservices on our BPA (Beyond Policy Administration) platform — with the expectation that you actively apply AI tooling and patterns to accelerate delivery, improve code quality, and contribute to our emerging AI-driven product features. The right candidate codes cleanly in Java, thinks in systems, and is curious enough … microservices using Java 17+ and Spring Boot 3.x. Build and maintain business logic within the BPA platform, ensuring correctness, performance, and testability. Write clean, well-structured code with a strong focus on SOLID principles and design patterns. Participate in design discussions, contribute to low-level design documents ...

Senior Lead Software Engineer - Mobile Engineering

Location
Greater London, England, United Kingdom
mobile platformacross iOS and Android. This is an architect-level, hands-on leadership role : you’ll define the technical direction, contribute directly to production code, and provide day-to-day technical leadership for both the iOS and Android teams. Job Responsibilities Own and evolve the end-to-end mobile … Security, Risk, and QA to translate business goals into robust technical solutions and delivery plans. Define and enforce a high bar for engineering excellence: code quality, maintainability, security, performance, accessibility, and reliability. Establish and improve mobile SDLCpractices: planning, development, peer review, testing, release management, and operational support. Lead ...

Software Engineer, General

Location
Greater London, England, United Kingdom
scale. Who You Are You’re a solid engineer with 2-4 years of experience building backend systems and platform infrastructure. You write clean, well-abstracted code with proper design patterns and comprehensive test coverage. You’re comfortable working on both the Compute Platform (multi-cloud orchestration, resource … engineers and platform leads. You have strong proficiency in Golang and understand how to build maintainable, production-grade distributed systems. You take pride in code quality, enjoy collaborating on low-level designs, and are eager to learn from experienced engineers while contributing meaningfully to critical infrastructure components. ...