21 of 21 Permanent Code Quality Jobs in the City of London

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 ...

Data Scientist – Senior Consultant

Hiring Organisation
Campion Pickworth
Location
City of London, London, United Kingdom
needs and translate them into effective analytical solutions. Support multiple projects from exploration through to deployment within cloud-based environments. Maintain high standards of code quality, documentation, and testing within a DevOps-oriented workflow. Apply strong knowledge of ML techniques, from supervised/unsupervised learning through ...

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 ...

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 ...

Senior Data Scientist - Private Equity Consulting

Hiring Organisation
Harnham
Location
City of London, London, United Kingdom
cases Work closely with data engineers and cloud infrastructure to scale solutions Translate technical work into clear commercial impact for senior stakeholders Contribute to code quality, deployment standards, and best practices Key Details Salary: £90,000–£110,000 base + 15–20% discretionary bonus Working model: Hybrid ...

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 ...

Frontend Software Engineer : React/TypeScript/JavaScript : Elite Trading Firm, London

Hiring Organisation
Hunter Bond
Location
City of London, London, United Kingdom
generation trading tools Designing and evolving front-end architectures for real-time data and complex visualisations Working in an environment where craftsmanship, performance, and code quality are taken seriously — every single day Tech Stack Languages: TypeScript, JavaScript (ES6+) Frameworks: React, Redux (or similar state management) Tooling: Webpack ...

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 ...

Mid-Level Full Stack Engineer | Audio Intelligence IoT Scale-up | Well Funded - Tech-for-good | TypeScript/Next.js/Node.js | £50K - £65K + Equity | Hybrid 3 Days LDN with Work From Anywhere Benefits

Hiring Organisation
Owen Thomas | Pending B Corp™
Location
City of London, London, United Kingdom
architecture discussions, suggest improvements, and help optimize system performance. Write clean, testable, and maintainable code. Collaborate in an agile environment, participating in sprint planning, code reviews, and team knowledge-sharing sessions. Tech Stack TypeScript Next.js Node.js GCP AWS (ML) CI/CD with GitHub actions and workflows SQL (PostgreSQL … Experience with Docker, REST APIs, and cloud services (AWS, GCP, or Azure). A pragmatic problem solver who can balance delivering features with maintaining code quality. Strong communication skills and ability to collaborate across teams. Computer Science/Mathematics degrees from good universities Nice to haves; Python experience. ...

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 ...

Principal Engineer React, Typescript, C#, AWS (Serverless), MySQL

Hiring Organisation
Smart Sourcer Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
secure, event-driven systems. Embed testing-first practices (TDD/BDD, contract tests, Jest/RTL, Playwright/Cypress, xUnit/NUnit) to raise code quality. Implement modern CI/CD (GitHub Actions) and Infrastructure as Code (Terraform, CloudFormation, AWS CDK). Model secure-by-design principles; ensure … unblock complex problems across squads. Champion Always ship each cycle; partner with Product to balance scope, delivery, and quality. Drive modernisation: sunset legacy code, reduce tech debt, and improve performance, reliability, and observability. Who Were Looking For: Highly experienced full stack engineer with strong proficiency in C# .NET Core ...

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 ...