West London, London, United Kingdom Hybrid / WFH Options
Spyrosoft Ltd
front-end and back-end development using React, Django, Python, and AWS. Day-to-day, youll work on re-implementing existing JavaScript front ends into a modern React framework, refactoring and improving legacy applications, and helping to shape new web-based tools. Youll collaborate closely with the Senior Engineers and Team Lead, contributing actively to sprints and supporting an agile More ❯
Richmond, Surrey, United Kingdom Hybrid / WFH Options
PressReader
Proficient in crafting reliable and scalable software systems. Mastery in building backend services using C# and SQL. Proven experience in constructing micro-services utilizing Docker/Kubernetes. Proficiency in refactoring complex code to enhance testability and maintainability. Knowledge or experience in test-driven development and agile/iterative development methodologies. Exceptional communication skills, both written and verbal, coupled with strong More ❯
and solid grounding in Object-Oriented Programming. Experience with server-side product development, SQL, and database design. Knowledge of web technologies (HTML, CSS, JavaScript). Familiarity with design patterns, refactoring, and OO design principles. Strong problem-solving and analytical skills. Comfortable working in both small and large teams, with the ability to adapt to different situations. A proactive mindset and More ❯
Glasgow, Lanarkshire, Scotland, United Kingdom Hybrid / WFH Options
Kura
technologies to enhance Inisoft's customer experience solutions. KEY RESPONSIBILITIES Lead the design, architecture, and development of high-quality software solutions for our products. Oversee and contribute to the refactoring and optimisation of existing code to enhance performance, scalability, and maintainability. Collaborate closely with cross-functional teams to ensure alignment between business goals and technical execution, balancing quality and delivery More ❯
Loughborough, Leicestershire, East Midlands, United Kingdom Hybrid / WFH Options
Previsico Limited
other engineers , fostering technical growth and continuous improvement across the team. Collaborate cross-functionally with Product, Science, Operations, and Design to shape roadmaps and deliver impactful outcomes. Lead system refactoring and optimisation initiatives , managing technical debt pragmatically and promoting long-term system health. Ensure high observability and resilience through monitoring, alerting, and proactive issue prevention. Contribute to and influence technical More ❯
offs. Mentors and supports teammates with empathy and clarity, helping to unblock progress. Balances technical expertise with a strong focus on delivering value to customers. Proactively improves systems by refactoring and scaling intelligently, beyond just adding features. Keeps projects on schedule, identifies potential risks early, and ensures follow-through without reminders. Established career in software development, including full ownership of More ❯
/.NET Core with cloud-native architecture. Contribute to event messaging, webhooking, and architectural design . Deliver features across the full software lifecycle in Agile squads. Optimise performance through refactoring, database improvements, and clean coding. Shape reactive front ends using HTMX + CSS . What Makes You a Great Fit: Strong background in C#/.NET Core with cloud experience More ❯
Oxford, Oxfordshire, United Kingdom Hybrid / WFH Options
Aurora Energy Research Limited
Translate modelling methods into production quality code, collaborating with method owners in the Modelling team; ensure implementations are readable, tested, and traceable. Improve code quality and developer experience by refactoring for clarity, strengthening interfaces and simplifying implementations. Champion automated testing and TDD; driving the adoption of modern software engineering practices in the model development team. Participate in code reviews and More ❯
to maintain a frictionless high quality development environment Have a passion for continuous improvement Deliver products that delight customers while managing the health of the code base through continuous refactoring and management of technical debt Provide coaching and leadership in software best practices, automated test strategies, and work toward flattening the cost of change curve for our software products and More ❯
Reading, Berkshire, United Kingdom Hybrid / WFH Options
Wireless Logic Group
works closely with product, design and participates in agile ceremonies Partners with Product; translates business requirements into technical solutions with balanced judgement Balances technical debt; makes informed decisions about refactoring versus new development Demonstrates strategic thinking; considers trade offs, prioritises efforts and drives innovation Shows adaptability; embraces alternative approaches when new information emerges Communicates effectively; documents technical decisions and translates More ❯
and microservices Join now and you'll work on: Re-architecting parts of our monolithic backend to reduce tight coupling into scalable component Leading a migration to the Terraform Refactoring our questionnaire module to remove performance bottlenecks and simplify its data model Designed a caching layer for our most resource-intensive queries We operate as a distributed team, but collaboration More ❯
Doncaster, South Yorkshire, England, United Kingdom Hybrid / WFH Options
Ada Meher
house project work. The company has a team of around 30 devs split into various squads working across a mix of BAU, new platform/feature development and also refactoring older systems to avoid technical debt. This role will be focused on their Fleet Management and Recovery systems. They are also doing some early stage R&D work in LLMs More ❯
Doncaster, South Yorkshire, England, United Kingdom Hybrid / WFH Options
Ada Meher
house project work. The company has a team of around 30 devs split into various squads working across a mix of BAU, new platform/feature development and also refactoring older systems to avoid technical debt. This role will be focused on their Fleet Management and Recovery systems. They are also doing some early stage R&D work in LLMs More ❯
Worcestershire, England, United Kingdom Hybrid / WFH Options
Hays Specialist Recruitment Limited
architecture, and make decisions that matter. You will: Take full technical ownership of the platform and infrastructure (AWS, Java, MySQL) Troubleshoot and resolve production issues with calm precision. Lead refactoring and migration projects (think Quarkus, containerisation) Mentor developers and champion best practices in coding, testing, and deployment Balance reliability with innovation to future-proof the system What you'll need More ❯
Fareham, England, United Kingdom Hybrid / WFH Options
develop
wants to help shape and scale a front-end architecture used by millions. Key responsibilities include: Designing and building robust, high-performance applications using React and TypeScript. Enhancing and refactoring existing browser extensions and web-based products. Working across technologies including Redux, Webpack, and Jest. Driving performance optimisations and improving UI responsiveness at scale. Collaborating in a Kanban environment with More ❯
london, south east england, united kingdom Hybrid / WFH Options
Cutover
release Ensuring technical requirements & acceptance criteria are clear for all feature requests, and bugs before user stories are worked on by software engineers Optimizing & improving current QA processes by refactoring and suggesting automation where possible, creating fast feedback loops Documenting current QA processes, making recommendations, and keeping track of QA backlog What we'd like you to bring to the More ❯
Contributing to a high-trust, low-process engineering culture Main Skills Needed: Commercial experience across frontend, backend, and infrastructure Confident with TDD and continuous delivery practices Comfortable with pairing, refactoring, and designing for simplicity Proactive mindset — you own problems and get things done Bonus if you’ve worked in early-stage or scale-up environments What’s in It for More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Addition
Contributing to a high-trust, low-process engineering culture Main Skills Needed: Commercial experience across frontend, backend, and infrastructure Confident with TDD and continuous delivery practices Comfortable with pairing, refactoring, and designing for simplicity Proactive mindset — you own problems and get things done Bonus if you’ve worked in early-stage or scale-up environments What’s in It for More ❯
thoughtbot consultants are able to build high-quality, test-driven applications with Ruby on Rails and JavaScript (or TypeScript). Well-qualified candidates will have an excellent knowledge of refactoring, application architecture, performance tuning, debugging, design patterns, Extreme Programming (XP), and working effectively in legacy applications. In addition to Rails, our clients often have frontend needs in JavaScript, TypeScript, and More ❯
and robust performance. It’s a cracking opportunity for someone who enjoys rolling up their sleeves and getting stuck into modern iOS development. 🛠️ What You’ll Be Working On Refactoring legacy architecture : Ditching Storyboards in favour of programmatic layouts using UIKit and Auto Layout, making the codebase leaner and more maintainable. Crafting complex UI : Building dynamic, modular interfaces using compositional More ❯
City of London, London, United Kingdom Hybrid / WFH Options
BFB Labs
with knowledge of the latest standards Experience in Apple/Google Play/Amazon app store submission Passion and interest in mobile games and development Performance profiling, optimisation and refactoring experience. Well versed in games and able to criticise what is strong/weak about existing games/systems Experience in implementing analytics and data hooks into a web service More ❯
with knowledge of the latest standards Experience in Apple/Google Play/Amazon app store submission Passion and interest in mobile games and development Performance profiling, optimisation and refactoring experience. Well versed in games and able to criticise what is strong/weak about existing games/systems Experience in implementing analytics and data hooks into a web service More ❯
Corsham, Wiltshire, South West, United Kingdom Hybrid / WFH Options
Sanderson Government and Defence
You'll Be Doing You'll collaborate closely with our internal engineering lead to: Review experimental codebases and identify gaps for production readiness Define and refine technical stories for refactoring and deployment Identify and scope capability gaps across the architecture Develop conceptual diagrams and interaction models to guide development Define and document architectural capabilities and standards What We're Looking More ❯
opportunity for you. Key Responsibilities: Consistently produce performative and readable code. Contribute to technical discussions involving the future of our proprietary technology IBEX. Reassess and review past code base, refactoring and improving where necessary. Stay informed of modern technologies and best practices that may prove useful to the agency and studying them when possible. Have full comprehension of both Front More ❯
Exeter, Devon, South West, United Kingdom Hybrid / WFH Options
First Databank
into elegant solutions - Analyse requirements, define specifications and manage delivery through to completion - Produce robust code and conduct peer reviews to maintain quality standards - Embed SOLID principles, TDD and refactoring as core practices - Leverage AI and automation tools to enhance productivity and innovation - Integrate sustainable thinking into development About You To be considered as a Senior Software Developer, you will … need: - Experience in analysis and design, C#, MVC and the .NET framework - Experience with test automation, TDD, DDD, refactoring and unit testing techniques - Experience working within Agile and Scrum development environments - Knowledge of SOLID principles and T-SQL database design - Familiarity with JavaScript frameworks such as React - Proficiency with ORM tools such as Entity Framework You will also need to More ❯