626 to 650 of 710 Clean Code Jobs in the UK

Senior Manager, Applied Science

Location
Glasgow, Scotland, United Kingdom
through to production, coordinating people, timelines, and cross- team dependencies to ship reliably. Establish and continuously improve the team's operating rhythm—planning, execution, code review, and delivery quality. Partner with product, engineering, and client-delivery teams to identify high-impact opportunities and deliver measurable outcomes. Represent the team … technical evaluation work, so you can support the team and hold it to a high standard. Able to guide a team in producing clean, maintainable, production-ready code, using modern delivery tooling (CI/CD, deployment, monitoring) on cloud infrastructure. Soft Skills Proven people-leadership skills, with ...

Software Engineer

Location
Brackley, England, United Kingdom
build software across IONETIC's internal toolchain Deploy and maintain software and supporting infrastructure Manage and structure data used across the toolchain Write clean, maintainable, well-documented code Work across the stack as needed, including tooling in Python, TypeScript, and C# Collaborate with engineers to translate technical requirements ...

Senior Machine Learning Engineer

Location
Oxford, England, United Kingdom
STEM degree (Computer Science, Maths, Stats, Physics, Engineering, or similar) or equivalent practical experience, plus 5+ years' relevant experience. Very strong Python engineering skills: clean, tested, well-documented code, not just working code. A track record of shipping ML/AI or data-driven systems into production ...

Guidance, Navigation & Control Engineer Physical Products London

Location
Greater London, England, United Kingdom
excellent communication skills and the ability to report and present findings clearly and efficiently both internally and externally Possess solid software engineering skills, writing clean and well-structured code in Matlab and/or languages like Python, Rust, Java, or modern C++ Are passionate about keeping ...

Senior Software Engineer - AI Security

Location
Oxford, England, United Kingdom
impact — iterate based on real usage, not just requirements. Leverage LLMs and AI tooling to accelerate development and improve team productivity. Continuously improve systems, code quality, and developer workflows. What You Will Bring We’renot looking for just a coder — we want a builder with ownership and first-principles … systems, deployment). Think from first principles, not just patterns or frameworks. Demonstrates high agency — takes ownership, drives clarity, and executes without waiting. Writes clean, scalable, maintainable code with strong fundamentals. Has experience or strong interest in AI-powered development (LLMs, agents, automation, copilots). Uses AI tools ...

Python Engineer (Terminal/Modelling/Data)

Location
Greater London, England, United Kingdom
already know. What We’re Looking For The Essentials 3+ years of professional Python experience, with strong backend fundamentals. You write clean, well-structured code and are comfortable owning something end-to-end, from design through deployment and monitoring. Real, hands‐on experience with AWS and infrastructure … code (Terraform). You've run production infrastructure, not just experimented with it. Proficiency with Django, FastAPI, or a comparable async Python framework. Experience with data pipelines and relational databases (PostgreSQL), and building systems that serve data reliably at scale. Expert‐level use of AI coding tools (Cursor, Claude ...

Python Engineer

Location
Greater London, England, United Kingdom
already know. What We’re Looking For The Essentials 3+ years of professional Python experience, with strong backend fundamentals. You write clean, well-structured code and are comfortable owning something end-to-end, from design through deployment and monitoring. Real, hands-on experience with AWS and infrastructure … code (Terraform). You've run production infrastructure, not just experimented with it. Proficiency with Django, FastAPI, or a comparable async Python framework. Experience with data pipelines and relational databases (PostgreSQL), and building systems that serve data reliably at scale. Expert-level use of AI coding tools (Cursor, Claude ...

Android Engineer

Location
West of England, England, United Kingdom
role: Design, develop, and maintain software applications: Collaborate with cross-functional teams to deliver high-quality solutions that meet business requirements. Write clean, efficient, and scalable code: Follow best practices and coding standards to ensure software maintainability and performance. Participate in code reviews and provide feedback: Review … peers’ code for quality, security, and adherence to project guidelines, and incorporate feedback into your work. Debug and resolve software defects and issues: Identify, analyse, and fix bugs in a timely manner to ensure smooth software operation. Collaborate with stakeholders and team members: Communicate effectively with product managers, designers ...

Web Application Developer

Location
City Of London, England, United Kingdom
seeking a Web Application Developer to join our team. Responsibilities and Requirements Ability to efficiently transition between technologies and programming languages Ability to write clean and efficient code which includes high-quality automated test coverage Ability to work in a team environment that is fast-paced and follows ...

Java Developer (Junior-Mid) - Build Cross-Border Apps

Location
Greater London, England, United Kingdom
WorldFirst in London is seeking a passionate Junior-Mid Java Developer to design, develop, and deliver scalable Java-based applications. You will write clean, efficient code and work to troubleshoot issues while collaborating with cross-functional teams to refine requirements and deliver solutions. You'll contribute to code ...

FORECASTING MODELLER / STATISTICIAN

Location
Manchester, England, United Kingdom
domain-specific features is particularly relevant. Proven ability to solve complex, real-world mathematical problems, including selecting and implementing the right algorithms, and delivering clean, efficient, and reliable code. Strong working fluency in Python and SQL. It is fine to prefer working in R or other languages … must still be confident building useful code quickly and accurately using Python and SQL. Some applied experience with model deployment, productionisation and compiled languages. The ability to document and communicate your thinking clearly, including in our knowledge base, notebooks, comments and code itself. Ownership of projects from start ...

Senior Back End Engineer

Hiring Organisation
Addition
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£475.00 per day
Building and enhancing microservice-based applications. • Developing and integrating secure, reliable REST APIs. • Supporting the performance, reliability and scalability of high-volume systems. • Producing clean, maintainable and well-tested code. • Troubleshooting backend issues and implementing effective technical solutions. • Collaborating with other engineers and technical stakeholders throughout the development lifecycle. … Contributing to technical discussions, code reviews and wider engineering best practices. About You You’ll be an experienced Backend Developer with strong hands-on Java and Spring Boot expertise and a proven ability to deliver scalable backend solutions. You will also have: • Strong commercial experience developing applications with Java ...

Full-Stack Software Engineer for Safer UK Tech

Location
Manchester, England, United Kingdom
Engineer to join a software delivery team supporting the Defence sector, with opportunities to work across other sectors in the future. You will write clean, well-documented code, implement tests, and participate in code reviews while staying current with latest technologies. Hybrid work model with some ...

Software Engineer

Location
Greater London, England, United Kingdom
that supports commodities trading, risk management and market-data processing, working closely with traders and operators to turn business needs into effective solutions. Write clean, scalable and maintainable code, primarily in Python 3. Partner with traders and quantitative analysts to understand strategies, identify opportunities and translate requirements into … well-defined development tasks from concept to delivery, communicating progress clearly and producing dependable solutions on time. Contribute ideas through technical design discussions and code reviews, and help strengthen our testing and software-development practices. Bachelor’s degree in Computer Science, Engineering or a related field. 3+ years ...

Data Scientist Technology Data Science London

Location
Greater London, England, United Kingdom
Collaborate with other Data Scientists and engineers to productionise ML features, models, and evolve our evaluation and monitoring frameworks. Write high‐quality, interpretable Python code for feature engineering and model training, contributing directly to our core products. Communicate hypotheses, evaluation results, and monitoring dashboards clearly to both technical … range of feature engineering techniques (e.g., target encoding). Solid grasp of frequentist and Bayesian statistics for parameter estimation and experimentation. Experience in writing clean, production‐grade Python code for both model training and inference. Excited to leverage LLMs for coding support and process optimisation to maximise personal ...

Software Engineer

Hiring Organisation
Platform Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £115000/annum
Location : Remote (London office) Salary : £80,000 - £115,000 Skills : C++, Algorithms, Boost Overview : Are you someone that thinks that writing slick, classy C++ code can and should be an art? Would you like to be part of an internationally recognised team of C++ experts led by the brightest … year 2. About you : STEM degree from a top university OR commercial C++ expertise Significant bias towards C++ development Genuine passion for writing clean, performant code Bonus if : Commercial C++ experience Have worked on open-source projects Have an activity portfolio of personal C++ projects Full details ...

Senior Full-Stack Engineer | Cloud-Native, Hybrid (Leeds)

Location
Leeds, England, United Kingdom
stack. You will collaborate with Product, Delivery, and Platform teams to enable secure, scalable applications. You will lead end-to-end feature delivery, write clean, well-tested code, and mentor engineers. A hybrid work model with two days in the office weekly supports collaboration in an fast-paced ...

SDET (Front End)

Location
City Of London, England, United Kingdom
also drive the direction of our testing chapter to ensure it maintains the highest standards of technology and process. You’ll also be: Developing clean, elegant and reusable code that is easy to maintain and extend Building scalable automated testing systems that enable us to ship value ...

Security Engineer (Software) - Banking & Finance

Location
Greater London, England, United Kingdom
security or experience solving security‐focused engineering problems A good understanding of systems, infrastructure and how technology is built The ability to write clean, reliable and maintainable code Strong communication skills and the ability to work effectively with other engineers Someone who learns quickly, pays close attention ...

Lead Cross-Platform Developer

Location
Greater London, England, United Kingdom
chosen framework. Collaborate with designers, product managers, and engineers to translate product vision into high‐quality, user‐centric mobile experiences. Champion technical excellence, writing clean, maintainable, and efficient code that adheres to best practices. Architect scalable and performant mobile solutions, optimizing for responsiveness and efficient resource utilization. Mentor ...

Senior Data Scientist, Product Analytics

Location
Greater London, England, United Kingdom
models at production scale (e.g., text classification, semantic similarity, quality scoring) You have advanced proficiency in SQL and Python, with ability to write clean, production-quality code You have experience working with large‐scale, unstructured text data and LLMs — including prompt design, evaluation (e.g., golden sets ...

Forward Deployed Engineer, Agentic Platform (UK Public Sector)

Location
Greater London, England, United Kingdom
partners You may be a good fit if: You have hands-on experience building and deploying production-grade software in Python; you write clean, testable, observable, scalable code You've built and deployed highly performant RAG and agentic applications, including agents that plan and execute multi-step tasks ...

Lead Pricing Engineer (SVP) - FX eTrading

Location
Greater London, England, United Kingdom
total cost of ownership, and create a competitive advantage for Citi. We want to regularly engage with talented individuals who are passionate about producing clean, testable code as part of a high performing team. We have found this to be way more important than experience in the financial … #1 FX business. Role Overview/What will you do: The role is hands on - includes both technical implementation and thought leadership. Writing code frequently Manage and inspire a high-quality team of engineers The successful candidate will work with teams across FX Technology to define and then implement ...

Senior Kotlin Engineer - Scalable FinTech Backends (Hybrid)

Location
United Kingdom
Senior Kotlin Engineer to develop high-performance backend services and influence architectural decisions within a leading UK FinTech. You'll collaborate across teams, write clean, maintainable code, and work within complex financial domains. The role offers competitive compensation, professional growth, and a hybrid working model, making ...

Backend Engineer, AI & Security Platform

Location
United Kingdom
will design, build, and own components, contribute to technical design, and participate in reviews and on-call rotations, with a strong emphasis on clean, testable code and system robustness. #J-18808-Ljbffr ...