23 of 23 Code Quality Jobs in Central London

Senior Backend Engineer

Hiring Organisation
Reelables
Location
City of London, London, United Kingdom
Performance & Reliability Build fault-tolerant, self-healing application services with comprehensive unit, integration, and performance testing. Implement advanced security best practices within the application code and API gateways for handling sensitive logistics and tracking data. Optimize service performance and database queries to achieve low-latency responses under peak loads … application state management strategies. Mentor team members on back-end best practices, API design principles, and scalable system implementation. Drive initiatives to improve code quality, testing rigor, and overall developer productivity. Experience Back-End Development Mastery Backend Expertise: Advanced TypeScript/Node.js/Python skills with deep ...

Technical Lead - Head of Engineering - 2 Days Peterborough or London

Hiring Organisation
ZENZO DIGITAL LTD
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
that scale efficiently, perform reliably, and integrate seamlessly across business functions. Lead by example in Azure DevSecOps: create and manage pipelines (YAML), infrastructure-as-code (Bicep, Terraform), and container orchestration (AKS, Docker). Embed engineering best practice: implement CI/CD, code quality gates, automated testing … integration (APIs, pipelines) Cloud & DevSecOps Azure DevOps (Repos, Pipelines, Boards, Artifacts, Test Plans) CI/CD automation, gated releases, and environment governance Infrastructure-as-Code (Bicep, ARM, Terraform) Containerisation (Docker, AKS) and serverless (Azure Functions) Monitoring and observability (Application Insights, Log Analytics) Secrets management and vulnerability scanning (Key Vault ...

Lead Software Engineer, React Native

Hiring Organisation
Travelex
Location
City of London, London, United Kingdom
technical considerations clearly to stakeholders. Collaboration & Mentorship Mentor and support engineers, helping them grow their technical skills and confidence. Lead by example in code reviews, ensuring best practices and quality standards are upheld. Help foster a healthy engineering culture based on learning, knowledge sharing, and accountability. Engineering … Quality Champion strong testing, code quality, and performance practices. Knowledge of best practices in security, performance and accessibility Identify areas for improvement within the codebase and contribute to long-term maintenance plans. Skills, knowledge, and experience: Must have: 8+ years of software development experience 5+ ...

Staff React Engineer (TypeScript + AI Experience)

Hiring Organisation
Wizeline
Location
City of London, London, United Kingdom
into modern web applications. Mentor other engineers, promoting excellence in coding practices, architecture decisions, and technical problem-solving. Establish and enforce standards for code quality, accessibility, performance optimization, and testing . Partner with backend and DevOps teams to optimize CI/CD pipelines and deployment processes. Continuously … Nice-to-have Familiarity with Next.js , Micro Frontends , and Server-Side Rendering (SSR) . Experience with cloud platforms (AWS, GCP, Azure) and infrastructure-as-code tools such as Terraform. Background in data visualization or AI-driven UX design . Contributions to open-source projects or active participation in tech ...

DV Cleared Java Developer

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
helping us deliver projects in a true DevOps manner. You will apply a software engineering mindset to problems, whether that's provisioning services, writing code or writing automation tools and scripts. You will have a lean mindset, striving to build reliable and performant services that are operationally sound. … Continuous Integration (CI) and Continuous Delivery (CD) * A passion for delivering quality code, by use of TDD and setting high software quality standard We're also using the following technologies and patterns, it would be great if you had some of the skills ...

Senior Java Software Engineer

Hiring Organisation
Signify Technology
Location
City of London, London, United Kingdom
Designing and maintaining data processing pipelines across streaming, relational, and NoSQL systems. Writing and executing unit, integration, and non-functional tests to uphold high code quality standards. Participating in Agile ceremonies, researching new approaches, and contributing to team discussions. Supporting CI/CD processes with Jenkins ...

Java Software Engineer

Hiring Organisation
Nicholson Glover
Location
City of London, London, United Kingdom
front-end development (ideally Angular, though React is welcome) Working across the full SDLC: requirements, build, test, deploy, support Applying TDD/BDD, clean code principles, and DevOps practices Collaborating directly with non-technical stakeholders to shape solutions Growing your cloud and DevOps capability (AWS/Azure, Docker … modern frameworks Is comfortable being client-facing and explaining technical decisions Enjoys working across backend and frontend, not just one layer Cares about code quality, learning, and continuous improvement Is eligible for UK security clearance (UK-based, no visa sponsorship) If you want your engineering skills ...

Palantir Consultant

Hiring Organisation
Staffworx Limited
Location
Central London, London, United Kingdom
Employment Type
Permanent
grow into owning areas end-to-end. Core Responsibilities Foundry Solution Delivery Contribute to solution design and implementation across: Data integration (Pipeline Builder/code-based pipelines, connectors, incremental loads). Ontology modelling (objects, relationships, basic semantics, versioning). Application layer (Workshop, Code Repositories, OSDK/APIs, Actions … sessions, hands-on labs and onboarding for analysts and power users. Share learning, debugging tips and best practices with peers. Follow internal standards for code quality, naming conventions, testing and design patterns and contribute improvements as you gain experience. Required Experience Commercial experience working with Palantir Foundry ...

Founding Engineer (Full Stack) – w/ Equity

Hiring Organisation
TEN-XER
Location
City of London, London, United Kingdom
observability as the platform scales to more cases, larger datasets and additional firms Shape engineering culture and team standards from best practices and code quality to interviewing, hiring, and mentoring future engineers ⚡ What You Bring 3+ years building and shipping production web applications full-stack, ideally ...

Front Office Developer - Technical Team Lead

Hiring Organisation
CMC Markets UK Plc
Location
City of London, London, United Kingdom
Employment Type
Permanent
architecture trade-offs with a focus on scalability, maintainability, and performance. Mentor and support junior team members, promoting best practices in coding standards, code reviews, and release management. Respond to real-time trading issues in a fast-paced environment, ensuring minimal business disruption. Key Skills & Experience: Strong expertise … developing API-based, microservices-driven architectures. Solid understanding of multi-threaded systems and distributed messaging. Experience mentoring developers and promoting best practices in code quality and architecture. Collaborative mindset with experience working closely with business stakeholders and cross-functional teams. Desirable Experience: Exposure to CEP engines (Esper ...

Shopify Developer

Hiring Organisation
Tiro Partners
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£45000 - £65000/annum
deliver high-quality eCommerce solutions built on Shopify. You'll be responsible for architecting scalable systems, leading development teams, and ensuring exceptional code quality across complex Shopify and Shopify Plus projects. This role suits a senior Shopify developer with 3+ years of hands-on Shopify … leadership position. What You'll Do Lead Shopify web and app development projects from design through to delivery Provide technical leadership via architecture decisions, code reviews, and mentoring Ensure best practices across CI/CD, performance optimisation, security, and accessibility Collaborate with clients, Product Managers, and Business Analysts ...

Senior Backend Developer

Hiring Organisation
Vallum Associates Limited
Location
Central London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 per day
templates, workflows, and OSGi services using Java and the Sling framework. Front-End Integration: Collaborate with UX/UI teams to integrate front-end code (HTML, CSS, JavaScript/React/Angular) into AEM for a responsive user experience. System Integration: Integrate AEM with other core systems and Adobe … Deployment and Support: Participate in the deployment process, conduct unit and system testing, and troubleshoot/debug issues in AEM environments. Best Practices: Ensure code quality, security, and performance by adhering to AEM and general software development best practices (e.g., in an Agile environment). Key Skill ...

Software Engineer

Hiring Organisation
mthree
Location
City of London, London, United Kingdom
cloud-native architectures Work with large, complex datasets in an Agile delivery environment Support CI/CD, DevOps, and automated testing to improve software quality Skills & Experience Strong software engineering experience Java (Scala exposure beneficial) Spark/distributed computing experience Familiarity with Azure Cloud Experience with relational ...

Golang Senior Software Engineer

Hiring Organisation
Darcie Talent
Location
City of London, London, United Kingdom
Contribute to TypeScript/React components on the frontend Collaborate closely with product and research teams to deliver delightful user experiences Take ownership of code quality, testing, and performance What we’re looking for Strong commercial experience in Golang Solid knowledge of TypeScript and React for frontend ...

AI Engineer - AVP Capital Markets

Hiring Organisation
Caspian One
Location
City of London, London, United Kingdom
years of experience in software/data engineering, ideally in platform or infra roles. Strong programming skills in Python; passion for code quality and testing. Demonstrable experience applying Generative AI concepts (ideally in a front-office/capital market environment) Experience with AWS services (S3, Glue, Kinesis ...

AI Engineer - VP Capital Markets

Hiring Organisation
Caspian One
Location
City of London, London, United Kingdom
+ years of extensive experience in software/data engineering, ideally in platform or infra roles. Strong programming skills in Python; passion for code quality and testing. Demonstrable experience applying GenAI concepts to front-office/capital markets environments. Deep experience with AWS services (S3, Glue, Kinesis ...

Senior Software Engineer

Hiring Organisation
Fyre Global Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
application that sits at the core of the product Designing and implementing new features for different sectors and use cases Helping drive improvements in code quality, architecture, and testing practices Working closely with product and engineering to prioritise, shape, and deliver features Introducing best practices and guiding … shift towards cleaner, more maintainable code What were looking for: Strong hands-on experience with Node.js backend software development Comfortable working across or picking up other tech as needed ie AWS, React etc (If you have experience with AWS & React, that is a bonus) Enthusiasm for writing clean, tested ...

VP Java FX Strategist Global Markets London

Hiring Organisation
McGregor Boyall Associates Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
flows Bonus experience: Spring Boot, Gradle, Solace, FIX, concurrent programming, JVM tuning, React/Vue Ability to utilise AI coding assistants effectively while maintaining code quality Strong communicator with the ability to influence technical and business stakeholders Degree in Computer Science, Engineering, Maths, or a related quantitative ...

Senior Backend Engineer

Hiring Organisation
Plexus Resource Solutions Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
designers, product, and users to align backend solutions with platform needs. Performance Optimization: Deliver fast, reliable systems and efficient queries for high user loads. Code Quality: Write clean, well-structured, well-documented code. Problem Solving: Debug and resolve complex issues to keep the platform running smoothly. Requirements ...

Data Engineer

Hiring Organisation
Cerberus Capital Management
Location
City of London, London, United Kingdom
from you. Strong technical foundation: Degree in a STEM field (or equivalent experience) with hands-on experience in production environments, emphasizing performance optimization and code quality. Python expertise: Advanced proficiency in Python for data engineering, data wrangling and pipeline development. Cloud Platforms : Hands-on experience working with Azure. … models, and maintaining dbt projects. SQL Databases: Extensive experience with PostgreSQL, MySQL (or similar), including schema design, optimization, and complex query development. Infrastructure as Code: Production experience with declarative infrastructure definition – e.g. Terraform, Pulumi or similar. Version Control and CI/CD: Familiarity with Git-based workflows and continuous ...

Senior Software Engineer

Hiring Organisation
Fruition Group
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£95,000
Python, Django, Cloud Firestore, BigQuery, and Elasticsearch to deliver scalable, reliable software. Contribute to continuous improvement by identifying opportunities to enhance system architecture and code quality. Participate in code reviews, mentoring, and knowledge sharing to maintain engineering excellence. What do I need to be successful: Degree in Computer ...

Lead Quality Assurance Engineer

Hiring Organisation
Eolas Medical
Location
City of London, London, United Kingdom
issues in production and working with the engineering team to fix these issues. You’ll work with our engineering team to validate the quality of our software through a mix of hands-on exploratory testing and automated test development. This is a key role in ensuring the stability … automation coverage. Work with customers i.e. HCPs to identify and provide technical What We’re Looking For 3+ years of experience in software quality assurance, ideally in a hybrid manual + automation role. Strong understanding of software testing methodologies and defect management. Proficiency with modern automation tools (Cypress ...

Software Engineer in Test

Hiring Organisation
Plan A Digital
Location
City of London, London, United Kingdom
cutting-edge fintech business is looking for a Software Development Engineer in Test (Java SDET) to strengthen their automated testing framework and drive software quality to the highest standards. This is a great opportunity for someone passionate about automation, exploratory testing, and collaborating with experienced developers … uncover edge cases and ensure robustness Pair with developers to enhance testing infrastructure for continuous delivery Proactively identify areas for improvement in software quality Essential Experience: Strong Object-Oriented Programming in Java (ideally Core Java) Proven background as an SDET Component testing, end-to-end testing & failure scenario ...