26 to 50 of 120 Code Quality Jobs in London

Remote Senior Backend Engineer (Python/FastAPI) – AI Evaluation (US-based)

Hiring Organisation
Turing
Location
Central London / West End, London, United Kingdom
Software Engineering evaluator, you will create cutting-edge datasets for training, benchmarking, and advancing large language models, collaborating closely with researchers. This includes curating code examples, providing precise solutions, and making corrections across the full stack — in Python for backend and ML workflows, and JavaScript (React, Node.js) for frontend … layers, alongside C/C++, Java, Rust, and Go. You will evaluate and refine AI-generated code for efficiency, scalability, and reliability, and work with cross-functional teams to enhance enterprise-level AI-driven coding solutions. What Does a Typical Day Look Like? Work on AI model training initiatives ...

Senior Fullstack Software Engineer - Java, Spring Boot, Microservices

Hiring Organisation
TPXImpact Holdings Plc
Location
East London, London, United Kingdom
Employment Type
Permanent
Salary
£65,000
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 ...

Remote Software Engineer – AI Research & Evaluation (US-based)

Hiring Organisation
Turing
Location
East London, London, United Kingdom
Software Engineering evaluator, you will create cutting-edge datasets for training, benchmarking, and advancing large language models, collaborating closely with researchers. This includes curating code examples, providing precise solutions, and making corrections across the full stack — in Python for backend and ML workflows, and JavaScript (React, Node.js) for frontend … layers, alongside C/C++, Java, Rust, and Go. You will evaluate and refine AI-generated code for efficiency, scalability, and reliability, and work with cross-functional teams to enhance enterprise-level AI-driven coding solutions. What Does a Typical Day Look Like? Work on AI model training initiatives ...

Remote Software Engineer – AI Research & Evaluation (US-based)

Hiring Organisation
Turing
Location
City of London, London, United Kingdom
Software Engineering evaluator, you will create cutting-edge datasets for training, benchmarking, and advancing large language models, collaborating closely with researchers. This includes curating code examples, providing precise solutions, and making corrections across the full stack — in Python for backend and ML workflows, and JavaScript (React, Node.js) for frontend … layers, alongside C/C++, Java, Rust, and Go. You will evaluate and refine AI-generated code for efficiency, scalability, and reliability, and work with cross-functional teams to enhance enterprise-level AI-driven coding solutions. What Does a Typical Day Look Like? Work on AI model training initiatives ...

Remote Senior Backend Engineer (Python/FastAPI) – AI Evaluation (US-based)

Hiring Organisation
Turing
Location
East London, London, United Kingdom
Software Engineering evaluator, you will create cutting-edge datasets for training, benchmarking, and advancing large language models, collaborating closely with researchers. This includes curating code examples, providing precise solutions, and making corrections in Python, C/C++, Rust, Go, Java, and JavaScript (including ReactJS) — with particular emphasis on systems … level code, performance-critical applications, and infrastructure. You will evaluate and refine AI-generated code for efficiency, scalability, and reliability, and work with cross-functional teams to enhance enterprise-level AI-driven coding solutions. What Does a Typical Day Look Like? Work on AI model training initiatives ...

Remote Senior Backend Engineer (Python/FastAPI) – AI Evaluation (US-based)

Hiring Organisation
Turing
Location
City of London, London, United Kingdom
Software Engineering evaluator, you will create cutting-edge datasets for training, benchmarking, and advancing large language models, collaborating closely with researchers. This includes curating code examples, providing precise solutions, and making corrections in Python, C/C++, Rust, Go, Java, and JavaScript (including ReactJS) — with particular emphasis on systems … level code, performance-critical applications, and infrastructure. You will evaluate and refine AI-generated code for efficiency, scalability, and reliability, and work with cross-functional teams to enhance enterprise-level AI-driven coding solutions. What Does a Typical Day Look Like? Work on AI model training initiatives ...

Lead Full-Stack Java Developer - SC Cleared

Hiring Organisation
Searchability NS&D
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £95,000 per annum
Java-based back-end services and modern front-end interfaces. Collaborate with architects and technical leads to define system design and integration patterns. Ensure code quality, maintainability, and performance through code reviews and mentoring. Contribute to DevOps pipelines and CI/CD practices in secure environments. … defence contexts. Excellent communication, leadership, and mentoring skills. Desirable: Experience with CI/CD pipelines (e.g. Jenkins, GitLab CI). Familiarity with infrastructure-as-code (Terraform, Ansible). Exposure to Agile and DevSecOps delivery models. Why Apply? High-impact work on systems that directly support UK Government missions. Technical ...

Senior Android Engineer (Contract) | Kotlin, Jetpack Compose, Coroutines, Flow | High-Traffic Consumer App | £400/day | Remote (UK) | Outside IR35

Hiring Organisation
Owen Thomas | B Corp™
Location
East London, London, United Kingdom
Android app used by thousands/millions of users Working closely with product and design to make pragmatic technical decisions Writing clean, maintainable Kotlin code in a modern architecture Contributing to architectural direction (not just implementing tickets) Improving performance, reliability, and overall app quality Reviewing code … scale Confidence with modern Android stack (Compose, Coroutines, Flow) Experience with automated testing, including screenshot/UI validation approaches Solid understanding of architecture and code quality (SOLID, clean architecture) Comfortable owning features and making technical decisions Able to communicate clearly with engineers and non-engineers Nice ...

Senior Android Engineer (Contract) | Kotlin, Jetpack Compose, Coroutines, Flow | High-Traffic Consumer App | £400/day | Remote (UK) | Outside IR35

Hiring Organisation
Owen Thomas | B Corp™
Location
City of London, London, United Kingdom
Android app used by thousands/millions of users Working closely with product and design to make pragmatic technical decisions Writing clean, maintainable Kotlin code in a modern architecture Contributing to architectural direction (not just implementing tickets) Improving performance, reliability, and overall app quality Reviewing code … scale Confidence with modern Android stack (Compose, Coroutines, Flow) Experience with automated testing, including screenshot/UI validation approaches Solid understanding of architecture and code quality (SOLID, clean architecture) Comfortable owning features and making technical decisions Able to communicate clearly with engineers and non-engineers Nice ...

Senior Software Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £85,000 per annum
designed and fit for purpose Act as a technical sounding board for less-senior engineers, providing guidance and reviewing approaches rather than simply approving code Ensure code quality, performance, and maintainability across the platform TECH STACK Node.js (backend) React/Next.js (frontend, React being the priority ...

Software Engineer - Contract

Hiring Organisation
ONMO
Location
City of London, London, United Kingdom
priorities. Design, develop, and maintain full-stack applications using Node.js, AWS Lambda, React with Next.js, TypeScript, and Terraform. Write clean, efficient, and well-tested code that adheres to best practices and coding standards. Ensure code quality, organisation, and automatisation. Optimise applications for maximum speed and scalability. … Deploy applications using CI/CD pipelines and manage infrastructure as code with Terraform. Provide technical guidance and mentorship to junior developers. Stay up-to-date with new technology trends, applications, and protocols. Contribute to the development of technical documentation and standards. ABOUT YOU Qualifications Bachelor’s or Master ...

Senior Java Engineer (AWS, REST, SOAP) - Hybrid - Sussex

Hiring Organisation
Salt Search
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £700 per day
pipelines using tools such as Jenkins, GitHub Actions, or AWS CodePipeline. Work with containerisation technologies (Docker) and orchestration platforms (ECS/EKS). Ensure code quality through unit, integration, and automated testing. Apply secure coding practices, including OAuth2/JWT authentication and general security best practices. Collaborate … with cross-functional teams to deliver high-impact features and improvements. Participate in code reviews, architectural discussions, and continuous improvement initiatives. Required Skills & Experience Strong proficiency in Java, Spring Boot, and modern backend development. Hands-on experience with AWS cloud services (Lambda, API Gateway, DynamoDB, ECS, S3, etc.). ...

Full Stack Software Engineer (Golang/Typescript)

Hiring Organisation
Safe Intelligence
Location
City of London, Greater London, UK
development approach to deliver feature-rich, versioned interfaces that support both our TypeScript user interface and Python-based SDKs. Develop and maintain Infrastructure as Code (IaC) and DevOps pipelines to ensure reliable service delivery and updates. Requirements : The technical requirements for the role are: Must haves: Ability and experience … operator pattern. Experience developing and containerizing microservice applications is a plus. Proficiency in integration and unit testing, with a strong commitment to code quality and maintainability. Strong knowledge of DevOps and Git best practices. Experience automating version control, testing, and releases, preferably with GitHub Actions. Nice ...

Senior Software Engineer

Hiring Organisation
JSS
Location
City of London, London, United Kingdom
deliver high-impact features Facilitate and contribute to Agile ceremonies (sprint planning, stand-ups, reviews, retrospectives) Mentor and coach engineers, promoting high standards of code quality and craftsmanship Drive technical decision-making, ensuring scalability, reliability, and performance Design and implement RESTful APIs and microservices architectures Oversee … Define and champion testing strategies, including unit and integration testing Troubleshoot complex technical issues and optimise system performance Maintain strong version control practices, including code reviews and branching strategies Contribute to technical documentation and knowledge sharing across the team Promote a culture of continuous learning, innovation, and engineering excellence ...

Senior Software Engineer, Remote

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£60,000
sector while also delivering private and SC-cleared projects. As a Senior Software Engineer, you will look to design, build, and deliver high-quality software solutions using Java, Spring Boot, and micro services. You will work on complex projects, contribute to technical architecture, mentor junior engineers, and collaborate … technical direction * Mentoring junior engineers and promoting best practices * Working closely with Product, UX, DevOps, and QA teams * Improving CI/CD pipelines, code quality, and testing standards. What we are looking for: * Strong hands-on experience with Java, Spring Boot, and microservices * Experience across the full ...

Senior Java Application Engineer

Hiring Organisation
Experis
Location
Wembley, England, United Kingdom
esponsibilities Engineering Standards & Code Quality Define and enforce Java and Node.js engineering standards across the team, with a strong emphasis on robust exception handling, binary stream processing, structured logging using Application Insights, and security‐first development practices. Cloud‐Native Application Readiness Ensure applications are designed for containerisation … compatible with Azure Container Apps (ACA). Technical Leadership & Mentorship Provide hands‐on technical mentorship to junior and mid‐level engineers by conducting structured code reviews, identifying and addressing technical debt, and fostering a culture of engineering excellence that prevents recurring quality issues such as corrupted ...

Senior Software QA Engineer

Hiring Organisation
Engineered Arts
Location
London Area, United Kingdom
with developing and supporting our deployment and testing processes for all the robots. The focus will be on improving and maintaining the high quality of our uniquely amazing humanoid robots through designing and implementing tests, debugging, and QA metrics. Hardware is at the centre of everything … setting. Working with Python and Ubuntu or other Linux-based operating systems. Experience working with git, GitLab and CI/CD pipelines to maintain code quality and effective release management. Experience testing and evaluating LLMs, including interest in conversational experiences driven by robots. Diligent and organised working ...

Senior Developer

Hiring Organisation
Tiro Partners
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day
demonstrate what's possible when AI is deeply integrated throughout the software development lifecycle, working with the latest AI technologies including Claude Code, GitHub Copilot, MCP, LLMs. Senior Software Engineer will: Develop and maintain software applications using Java Implement AI solutions to enhance software functionality and accelerate development workflows … Collaborate with cross-functional teams to define, design, and ship new features Leverage AI technologies throughout the development lifecycle Participate in code reviews and maintain code quality standards Modernise legacy services using AI-first approaches The ideal experience: 6+ years of experience in software development Strong ...

Senior Golang Developer

Hiring Organisation
Levy Global
Location
London Area, United Kingdom
Golang Developer (Contractor) to join our client. In this role, you will focus on developing and maintaining high-performance applications using Golang, contributing to code-based deployment strategies, and collaborating on open-source projects. Your expertise will drive the deployment and management of cutting-edge solutions using technologies like … Temporal. Responsibilities: Develop and maintain robust, scalable, and efficient applications using Golang. Contribute to the design and implementation of code-based deployment strategies. Manage and optimize deployment and management processes for applications. Collaborate with the team on open-source projects and initiatives. Implement solutions using Temporal and similar technologies ...

Engineering AI Software Engineer - Vice President - London

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
developer experience for all GS engineers. The primary focus will be on building services and tools to help developers write better and more secure code by implementing best practices, automated code reviews, and security checks. These tools will leverage AI to provide real-time feedback and suggestions, ensuring … that code quality and security standards are consistently met. Additionally, the role involves creating comprehensive documentation and training materials to support developers in adopting these tools effectively. Another key focus will be on building Agentic workflows to simplify the developer experience and help them become more productive ...

Senior Software Engineer

Hiring Organisation
TRIA
Location
City of London, London, United Kingdom
technical delivery of a greenfield rebuild of a core business system, covering policy, claims and integration layers. Set and enforce technical standards, own code quality, and conduct structured code reviews across the delivery team. Work directly with the BA to translate business requirements into sound technical ...

Cloud Engineer

Hiring Organisation
Anson Mccade
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
JavaScript or .NET. • Using CI/CD tools (Jenkins, Bitbucket, Bamboo, TeamCity) to ship high-quality software faster. • Applying automated testing and code-quality tools to ensure reliable, maintainable delivery. • Working in an agile team that values creativity, collaboration and continuous improvement. • Bringing fresh ideas ...

Senior Software Engineer

Hiring Organisation
X4 Technology
Location
London Area, United Kingdom
across the UK public sector. They’re looking for a Senior Software Developer with strong Golang experience and a passion for building high-quality, user-focused systems. You’ll be joining a collaborative, multi-disciplinary team working on impactful projects, with the opportunity to influence both technical direction … cross-functional teams (DevOps, UX, Product, Platform) Contributing to CI/CD pipelines and modern DevOps practices Driving best practices in testing, automation, and code quality Supporting frequent releases and continuous improvement initiatives Senior Software Engineer – Key Skills Required Must hold live and active Enhanced DV clearance ...

Head of Software (ML & Web)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
drive innovation. Responsibilities Technical Leadership Define, implement, and scale the software architecture across web, backend, and ML systems. Maintain strong engineering standards for code quality, security, testing, and deployment. Lead key technical initiatives, contributing code and architecture reviews. Drive integration of software with hardware systems, sensors ...

Engineering AI Software Engineer - Vice President - London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
enhance the developer experience for all GS engineers. The primary focus is building services and tools to help developers write better and more secure code by implementing best practices, automated code reviews, and security checks. These tools will leverage AI to provide real-time feedback and suggestions, ensuring … that code quality and security standards are consistently met. The role includes creating comprehensive documentation and training materials as well as simplifying the developer experience through agentic workflows that streamline processes, reduce manual tasks, and provide intelligent recommendations based on historical data and best practices. Key Responsibilities ...