1 to 25 of 57 Permanent Code Quality Jobs in London

Senior Java Developer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
foster strong partnerships withglobal technology leadersincluding Microsoft, AWS, Oracle, Red Hat,OutSystems, Snowflake, ensuring that our customers are provided with the highest quality solutions and services. Werean award-winning employer reflecting how our employees are at the very heartof whatwe do: UK & Ireland's premier AWS, Microsoft & Oracle … schemas, write complex SQL queries, and optimize database performance. Batch Processing:Develop and manage batch processing systems to handle large volumes of data efficiently. Code Quality:Ensure code quality through code reviews, unit testing, and adherence to best practices. Collaboration:Work closely with ...

Senior React/Next.js Dev (SC Cleared)

Hiring Organisation
Henderson Scott
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£500 - £525 per day + umbrella
accessible, and enterprise-grade user experiences. Collaboration: Partner with backend developers, UX designers, and stakeholders in an agile environment to deliver clean, maintainable code. Code Quality & Testing: Ensure high standards of code quality through rigorous testing, code reviews, and adherence to security best ...

Senior Software Engineer

Hiring Organisation
Exam Papers Plus
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£65,000
quickly without sacrificing quality. Your focus is shipping features at pace while holding a high bar on quality through thorough testing and code review. You will be a strong voice in technical discussions and a reliable pair of hands the team can lean on, without carrying … work from spec through to production. Using AI tools such as Cursor and Claude to accelerate your work, while owning the validation so that code quality, security and performance meet our standards. Following and helping to uphold our engineering practices, contributing to code reviews and writing ...

.Net Tech Lead

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
cloud-based software applications. Technical leadership within a team to coordinate and deliver scalable, secure solutions in line with good industry software engineering practices (code quality, CI/CD, security etc). Working within a project management/agile delivery methodology Experience in technical ownership … applications with this in mind Strong experience with Test-Driven Development (TDD) approach, writing unit and integration tests to ensure high-quality code, and maintaining a robust testing suite for continuous integration and delivery. Experience developing REST-based APIs Strong experience with DevOps and CI/ ...

Lead Machine Learning Engineer (London)

Hiring Organisation
Fitch Group
Location
Greater London, United Kingdom
Employment Type
Full Time
such as Deep learning, NLP, Neural networks, multi-class classifications, decision trees, support vector machines, Strong adherence to software and ML development fundamentals (e.g. code quality considerations, automated testing, source version control, optimization) Prior experience working on building Gen AI frameworks and leveraging and/or finetuning … paced environment Familiarity with credit ratings agencies, regulations, and data products around the world Outstanding written and verbal communication skills A champion of good code quality and architectural practices. Strong interpersonal skills and ability to work proactively and as a team player Why Fitch? At Fitch Group ...

Lead Infrastructure Engineer - Proxy/SSE Network Security (Corporate Sector)

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
with ability to think beyond routine or conventional approaches to build solutions or break down technical problems Develops secure high-quality production code, and reviews and debugs code written by others Architect and implementZero Trust Network Access (ZTNA)patterns for user-to-app and user … vendor e.g. Zscaler, Netskope, paloalto, Broadcom ProxySG etc Drives team adoption of enterprise-authorized AI-assisted engineering practices within the work environment to improve code quality, delivery speed, and operational outcomes (e.g., AI-assisted code review/refactoring, test strategy acceleration, incident/root-cause analysis ...

Lead Software Engineer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
time UIs with strong responsiveness and stability Establish and evolve scalable UI architecture, including component libraries and shared platform services Drive engineering excellence through code reviews, quality gates, CI/CD, observability, and operational readiness Ensure secure, compliant development practices aligned to firm standards Mentor and develop … partners to deliver end-to-end solutions Drives team adoption of enterprise-authorized AI-assisted engineering practices within the work environment to improve code quality, delivery speed, and operational outcomes (e.g., AI-assisted code review/refactoring, test strategy acceleration, incident/root-cause analysis support ...

Software Engineer

Hiring Organisation
VIQU IT Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£50,000
development lifecycle, from initial design through to deployment and ongoing support Write clean, maintainable and well-tested code, ensuring high standards of software quality Participate in code reviews, pair programming and knowledge-sharing activities Collaborate with Product Managers, Engineers and Delivery teams to deliver technical solutions … technologies, ideally Vue.js Good understanding of software design principles, coding standards and engineering best practices Experience writing automated tests and maintaining high standards of code quality Exposure to cloud platforms, ideally AWS Familiarity with CI/CD pipelines, Git and DevOps practices Experience working within Agile development ...

Senior Fullstack Software Engineer - (Java, Spring Boot, Microservices

Hiring Organisation
TPXImpact Holdings Plc
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£70,000
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 … 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 all key business logic ...

Senior .Net Developer

Hiring Organisation
Ascend Consulting
Location
NW7, Mill Hill, Greater London, United Kingdom
Employment Type
Permanent
Salary
£50000 - £85000/annum
database structures and all the back-end infrastructure Collaboration : Work closely with SAP consultants, frontend developers, and DevOps engineers to ensure seamless system integration Code Quality : Conduct code reviews, debugging, and error handling to maintain system reliability Best Practices : Stay up to date with API design ...

Lead Fullstack Software Engineer - Java, Springboot, Microservices

Hiring Organisation
TPXImpact Holdings Plc
Location
East London, London, United Kingdom
Employment Type
Permanent
Salary
£75,000
business requirements into technical specifications and ensure smooth delivery. Drive continuous improvement initiatives to optimise performance, reliability, and security in software applications. Conduct regular code reviews and ensure that feedback is constructive and promotes learning within the team. Implement and maintain CI/CD pipelines to streamline the development … such as Python, JavaScript, or similar. Extensive experience writing well-tested code. Good knowledge of cloud platforms (e.g., AWS, Azure, GCP) and infrastructure as code Experience with CI/CD pipelines and automated testing frameworks. Experience with various architecture patterns eg microservices and event-driven. Experience with containerization technologies ...

Software Engineer

Hiring Organisation
McGregor Boyall Associates Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
using Java Spring Boot and Node.js Integrate third-party APIs and internal platforms to create seamless digital experiences Deliver well-tested, maintainable and scalable code Participate in architecture discussions, code reviews and engineering best practice initiatives Work closely with Product Owners and stakeholders to translate business requirements into … technical solutions Utilise AI-driven development tools to improve productivity and code quality Champion modern software engineering standards and continuous improvement Skills & Experience Required Strong commercial experience developing applications with modern Angular versions Experience building backend services with Java Spring Boot Solid AWS cloud experience, particularly with ...

Senior AI Consultant - Agentic AI & Generative AI

Hiring Organisation
Deerfoot Recruitment Solutions
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
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 ...

Senior Python Developer - Cloud Automation

Hiring Organisation
Spectrum IT Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£90000 - £100000/annum Bonus & benefits
Southampton) £100k + 8-10% bonus, private medical Are you a Senior or Tech Lead Software Engineer who loves solving infrastructure challenges through code? We're recruiting for an experienced Python Software Engineer to join a significant government technology project, helping to build secure enterprise customer platforms used … infrastructure roles, this is a genuinely software engineering-focused position. You'll spend your time building automation frameworks, developing internal tooling, creating Infrastructure as Code solutions, and eliminating manual processes through clean, scalable, production-quality code. What You'll Be Doing Building automation frameworks and tooling using ...

Full Stack LLM Development Manager

Hiring Organisation
Hackajob Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
development tools and business systems. Implement RAG and context-engineering solutions using structured and unstructured data, embeddings, vector search and knowledge stores. Use Claude Code and AI-assisted engineering practices across requirements, coding, testing, documentation, modernisation and defect resolution while maintaining engineering controls. Create automated evaluation, regression, safety … workflows. Implement authentication, authorisation, secrets management, audit logging, observability, token and cost monitoring, and secure deployment pipelines. Lead developers, contribute to solution design and code quality, and create reusable components, templates and engineering standards. Design and build use-case and platform technology solutions to solve key business ...

Software Engineer III (Java & JavaScript)

Hiring Organisation
Elsevier
Location
Greater London, United Kingdom
Employment Type
Full Time
have the ability to work on individual pieces of work and solve problems, including the design of the program flow of individual pieces of code, effective coding, and unit testing. The ideal candidate has a practical understanding of CI/CD pipelines and a strong commitment to code … other development team members to understand moderately complex product requirements and translate them into software designs. Successfully implement development processes, coding best practices, and code reviews. Operate in various development environments (Agile, Waterfall, etc.) while collaborating with key stakeholders. Proficiency with GitHub workflows, pull requests, issue tracking, and collaboration ...

Senior Python Developer

Hiring Organisation
Tech 4
Location
City of London, London, United Kingdom
Employment Type
Permanent
qualities that make their platform reliable, scalable, and maintainable over the long term. Define guardrails, review practices, and validation gates that hold AI-generated code to our standards for security, reliability, and cost-efficiency (FinOps). These are first-class concerns in agentic pipelines, not afterthoughts. Design, build … pragmatically to modernise where it matters most. Set the engineering standard, demonstrating through your own work what excellent looks like when much of the code is AI-generated. Grow the team's capability and confidence with AI-native practices, coaching more junior engineers to think critically about model outputs ...

Senior Node.js Engineer

Hiring Organisation
IO Associates
Location
South East London, London, United Kingdom
Employment Type
Permanent
Salary
£85,000
deliver genuine value to users. The successful candidate will bring strong hands-on experience with Node.js, TypeScript and AWS, alongside a passion for clean code, sound engineering practices and continuous improvement. The Role As a Senior Backend Developer, you'll play an important role throughout the software development lifecycle … backend services and APIs. Taking ownership of features from initial concept through to production release and ongoing support. Writing clean, maintainable and well-tested code in line with established engineering standards. Contributing to technical discussions, solution design and architectural decisions. Improving automated testing, deployment pipelines and development processes. Monitoring ...

Senior Node.js Engineer

Hiring Organisation
IO Associates
Location
Southwark, London, United Kingdom
Employment Type
Permanent
Salary
GBP 75,000 - 85,000 Annual
deliver genuine value to users. The successful candidate will bring strong hands-on experience with Node.js, TypeScript and AWS, alongside a passion for clean code, sound engineering practices and continuous improvement. The Role As a Senior Backend Developer, you'll play an important role throughout the software development life … services and APIs. Taking ownership of features from initial concept through to production release and ongoing support. Writing clean, maintainable and well-tested code in line with established engineering standards. Contributing to technical discussions, solution design and architectural decisions. Improving automated testing, deployment pipelines and development processes. Monitoring, maintaining ...

Technical Lead Python Engineer

Hiring Organisation
Spectrum IT Recruitment Limited
Location
London, United Kingdom
Employment Type
Permanent
Southampton) £100k + 8-10% bonus, private medical Are you a Senior or Tech Lead Software Engineer who loves solving infrastructure challenges through code? We're recruiting for an experienced Python Software Engineer to join a significant government technology project, helping to build secure enterprise customer platforms used … infrastructure roles, this is a genuinely software engineering-focused position. You'll spend your time building automation frameworks, developing internal tooling, creating Infrastructure as Code solutions, and eliminating manual processes through clean, scalable, production-quality code. What You'll Be Doing Building automation frameworks and tooling using ...

Software Engineering Manager

Hiring Organisation
Halian Technology Limited
Location
Central London, London, United Kingdom
Employment Type
Permanent
Collaborate with engineers and architects to define scalable and maintainable technical solutions. Support engineering teams in making sound architectural and design decisions. Champion software quality, security, performance, and operational excellence. Encourage modern engineering practices, including CI/CD, automated testing, observability, and cloud-native development. Stakeholder Management Build ...

Software Developer

Hiring Organisation
Sanderson Government and Defence
Location
City of London, London, United Kingdom
Employment Type
Part Time
Salary
Up to £525 per day + Inside IR35
data solutions using Azure Cosmos DB . Collaborate with cross-functional teams to define technical requirements and deliver robust solutions. Implement best practices for code quality, testing, security, and performance optimisation. Manage source control, branching strategies, and CI/CD pipelines using GitHub . Troubleshoot and resolve …/CD pipelines. Knowledge of containerisation technologies such as Docker and Kubernetes. Experience with monitoring and logging solutions within Azure. Familiarity with Infrastructure as Code (IaC) concepts. Reasonable Adjustments: Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built ...

Full Stack Java Developer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
cloud-based software applications. Technical leadership within a team to coordinate and deliver scalable, secure solutions in line with good industry software engineering practices (code quality, CI/CD, security etc). Working within a project management/agile delivery methodology Experience in technical ownership … Functional requirement understanding and experience developing applications with this in mind Application/Digital Services Design experience Experience in software engineering practices like Code Reviews, CI/CD Pipelines and SOLID/DRY principals Hands-on developing/coding role using the following technologies: Frontend - TypeScript, Node, Express ...

Vue Developer

Hiring Organisation
Michael Page
Location
City of London, London, Tower, United Kingdom
Employment Type
Permanent
Salary
£60000 - £100000/annum
ecosystem Owning and building high-traffic applications with a focus on speed and user experience Proactively identifying and implementing improvements to architecture, performance and code quality Collaborating with colleagues and peers to ideate, plan, and organize large-scale projects Contribute and help maintain the company-wide … Component Library Collaborate with back-end developers to integrate UI/UX designs effectively. Write clean, efficient, and well-documented code to industry standards. Stay updated on the latest industry trends and front-end technologies. Participate in code reviews to maintain high-quality standards. Work closely ...

Engineering Manager

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
customers. Serve as a technical expert for the Business Expense Managements domain Provide hands-on technical leadership, guiding the team on architectural design, code reviews, and best practices. Ensuring code quality, consistency, and maintainability through code reviews and best practices. Leadership Responsibilities Lead and mentor ...