51 to 75 of 85 Code Quality Jobs in London

and infra teams to operationalize models and ship ML-powered features into production. Continuously assess and iterate on production models, balancing long-term ML strategy with tactical improvements. Champion code quality, observability, and resilience within their ML systems through reviews and hands-on contributions. Help shape their internal ML standards and practices, ensuring they stay ahead of More ❯

managers to build elegant user interfaces that handle scientific complexity with simplicity. Performance & Optimization: Proactively identify UI bottlenecks and ship improvements that make the platform faster and more reliable. Code Quality & Process: Advocate for quality, consistency, and velocity through clear standards, thoughtful abstractions, and testing strategies. Requirements What We're Looking For Experience: 2–4+ More ❯

including coding challenge design and review). Candidate Assessment Process Our selection process includes a LeetCode-style technical challenge to evaluate: Algorithmic problem-solving Data structures and computational efficiency Code quality and optimisation under time constraints Ideal Candidate Profile Academic and Professional Background Degree/Masters/PhD in Computer Science, Data Science, or a related discipline … environments with high reliability and scale Leadership Skills Visionary mindset with a hands-on engineering ethos Proven ability to scale teams and systems effectively Strategic decision-making with practical, code-level insight Strong communicator and collaborator across multidisciplinary teams Passion for fostering innovation and mentoring engineering talent Personal Attributes Exceptional attention to detail and analytical rigour Strong communication and More ❯

including coding challenge design and review). Candidate Assessment Process Our selection process includes a LeetCode-style technical challenge to evaluate: Algorithmic problem-solving Data structures and computational efficiency Code quality and optimisation under time constraints Ideal Candidate Profile Academic and Professional Background Degree/Masters/PhD in Computer Science, Data Science, or a related discipline … environments with high reliability and scale Leadership Skills Visionary mindset with a hands-on engineering ethos Proven ability to scale teams and systems effectively Strategic decision-making with practical, code-level insight Strong communicator and collaborator across multidisciplinary teams Passion for fostering innovation and mentoring engineering talent Personal Attributes Exceptional attention to detail and analytical rigour Strong communication and More ❯

including coding challenge design and review). Candidate Assessment Process Our selection process includes a LeetCode-style technical challenge to evaluate: Algorithmic problem-solving Data structures and computational efficiency Code quality and optimisation under time constraints Ideal Candidate Profile Academic and Professional Background Degree/Masters/PhD in Computer Science, Data Science, or a related discipline … environments with high reliability and scale Leadership Skills Visionary mindset with a hands-on engineering ethos Proven ability to scale teams and systems effectively Strategic decision-making with practical, code-level insight Strong communicator and collaborator across multidisciplinary teams Passion for fostering innovation and mentoring engineering talent Personal Attributes Exceptional attention to detail and analytical rigour Strong communication and More ❯

Time (CET) hours. Tasks Build and optimize backend systems and APIs with a focus on scalability, reliability, and meeting SLAs. Design robust data models in Postgres, ensuring schema quality, query optimization, and data integrity. Lead deployment and management of containerized applications in AWS environments. Contribute to architectural decision-making and promote best practices in testing, security, and performance. … microservices, event-driven design). Excellent communication skills in English, with the ability to collaborate across functions. Experience using AI-assisted development tools (e.g., Cursor AI) to enhance productivity, code quality, and collaboration. Thrives in a fast-moving startup environment - flexible, proactive, and self-directed. If you meet the requirements above you're excited to shape the More ❯

document search, reporting, digital colleague scenarios). Collaborate with the Engagement Lead, BA, and PM to define requirements, delivery plans, and success metrics. Guide the team on technical standards, code quality, and solution architecture. Support enablement and training sessions for the teams, promoting safe citizen development. Advise on integration patterns (MCP, A2A), security, and data handling. Engage More ❯

ensuring the successful delivery of high-quality Salesforce solutions. What You'll Be Responsible For Leading and managing a team of Salesforce developers Ensuring engineering best practices, code quality, and technical governance are consistently applied Overseeing code reviews, development standards, and sprint delivery Partnering with Solution and Technical Architects to ensure scalable, robust designs … Salesforce Engineering Manager , Lead Developer , or Technical Lead role Strong background overseeing development teams and driving engineering maturity Understanding of Salesforce technical components (Apex, LWC, Integrations) - without needing to code Experience working with or managing third-party developers Confident stakeholder management and communication skills Background in Financial Services or Insurance is strongly preferred Ability to set standards, mentor teams … and drive high-quality technical outcomes Why This Role Stands Out Major organisational investment into the full Salesforce ecosystem Opportunity to shape engineering standards in a modern, growing Salesforce landscape High-visibility leadership role in a forward-thinking Financial Services environment Stunning central London offices (Leadenhall) Salary negotiable based on experience If you're an experienced Salesforce leader More ❯

ensuring the successful delivery of high-quality Salesforce solutions. What You'll Be Responsible For Leading and managing a team of Salesforce developers Ensuring engineering best practices, code quality, and technical governance are consistently applied Overseeing code reviews, development standards, and sprint delivery Partnering with Solution and Technical Architects to ensure scalable, robust designs … Salesforce Engineering Manager , Lead Developer , or Technical Lead role Strong background overseeing development teams and driving engineering maturity Understanding of Salesforce technical components (Apex, LWC, Integrations) - without needing to code Experience working with or managing third-party developers Confident stakeholder management and communication skills Background in Financial Services or Insurance is strongly preferred Ability to set standards, mentor teams … and drive high-quality technical outcomes Why This Role Stands Out Major organisational investment into the full Salesforce ecosystem Opportunity to shape engineering standards in a modern, growing Salesforce landscape High-visibility leadership role in a forward-thinking Financial Services environment Stunning central London offices (Leadenhall) Salary negotiable based on experience If you're an experienced Salesforce leader More ❯

a Bike4Work scheme and Gym benefits The opportunity to support a wide ranging CSR programme + 2 days' volunteering leave per year Your key responsibilities Designing & developing high-quality solutions for risk management of corporate lending products Driving continuous improvement on process, tools and techniques Solving complex problems and deliver effective, practical solutions Supporting the day-to-day … of the platforms you develop, prioritise and manage incidents Automating delivery pipelines, so that systems are always ready to deploy Seeking ways to improve your application's performance and code quality, ensuring architecture supports business requirements Your skills and experience Extensive knowledge of Oracle PL/SQL, Java, Spring Exposure to front-end technologies such as JavaScript More ❯

Communicates clearly, collaborates actively, and moves fast without breaking quality. Is curious, pragmatic, and resourceful — figuring things out even when the path isn't obvious. Has strong opinions about code quality but knows when speed matters. Our Stack As you can imagine, our stack can change quite quickly, but here's a taste of what we're … Face LangChain/BAML — LLM frameworks Langfuse, LangSmith — Observability Pandas, NumPy, scikit-learn, PyTorch — Data & ML stack Data & Infrastructure BigQuery — Cloud data warehouse PostgreSQL — Application data Pulumi — Infrastructure as Code (TypeScript) Google Cloud Platform (GCP) — Cloud provider GitHub Actions — CI/CD Docker/Kubernetes — Containerisation Cloudflare — CDN and DNS Frontend & Backend TypeScript, + React, Tailwind CSS, Shadcn UI More ❯

document search, reporting, digital colleague scenarios). Collaborate with the Engagement Lead, BA, and PM to define requirements, delivery plans, and success metrics. Guide the team on technical standards, code quality, and solution architecture. Support enablement and training sessions for the teams, promoting safe citizen development. Advise on integration patterns (MCP, A2A), security, and data handling. Engage More ❯

document search, reporting, digital colleague scenarios). Collaborate with the Engagement Lead, BA, and PM to define requirements, delivery plans, and success metrics. Guide the team on technical standards, code quality, and solution architecture. Support enablement and training sessions for the teams, promoting safe citizen development. Advise on integration patterns (MCP, A2A), security, and data handling. Engage More ❯

updates, data ingestion, performance tuning, and troubleshooting. Support and improve asynchronous processing pipelines using Celery . Contribute to technical decision-making around simplification, modularisation, and reducing architectural complexity. Ensure code quality through peer reviews, automated testing, and documentation. Actively participate in agile ceremonies and continuous improvement activities. Required Experience Active SC clearance Strong commercial experience with Python More ❯

ll play a key role in helping the team evolve from early-stage speed to long-term stability, with the freedom to influence both product direction and engineering quality What you’ll be doing … Building and scaling a Node.js 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 a shift towards cleaner, more … maintainable code What we’re looking for: Strong hands-on experience with Node.js 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, production-ready code Experience (or interest) in data-heavy systems, IoT, or connected devices If More ❯

and reliable solutions in a fast-paced environment. Design, develop, and maintain in-house applications for the Derivatives trading desk using Python Implement automated testing with PyTest and ensure code quality through peer reviews Process, analyse, and manipulate data using NumPy and Pandas Manage CI/CD pipelines to ensure stable production environments Utilise Git-based workflows More ❯

Engine by Starling Careers Page We are looking for engineers at all levels to join the team. We value people being engaged and caring about customers, caring about the code they write and the contribution they can make to banking around the world. People with a broad ability to apply themselves to a multitude of problems and challenges, who … and organisation as we change banking for good Requirements Our iOS application is entirely written in Swift. It is highly modular and we use MVVM-C architecture to maximise code reusability and testing. We also value simplicity over complexity, fewer moving parts means fewer faults and easier comprehension. Some of the well known frameworks and tools we use: RxSwift … programming framework; SnapKit - as our auto layout DSL, though we have an in-house framework built on top of SnapKit which allows us to write declarative, SwiftUI like layout code for UIKit. Realm - as the application main persistence layer; Sourcery and SwiftGen - for various code generation tasks. SwiftFormat, SwiftLint and Danger - to enforce high code quality More ❯

Azure, GCP, Databricks, or Snowflake). Proven ability to evaluate data architecture decisions, influence business and IT stakeholders, and define strategic data direction. Strong understanding of coding best practices, code quality tools (e.g., SonarQube), and modern AI-assisted development tools. Deep experience with multiple database models - relational, NoSQL, and graph-based (knowledge graph). Nice to have … experience using Infrastructure as Code (IaC) tools such as Terraform. Why Join? Competitive Swiss market salary with comprehensive benefits package Work on strategic, large-scale projects with major global clients Continuous training and certification opportunities Hybrid working model and flexibility A collaborative, inclusive, and innovation-driven culture Location Switzerland - with flexible working options. *Rates depend on experience and client More ❯

architectural discussions, providing input on design reviews and system evolution Collaborate closely with platform and infrastructure teams to deliver production-grade, secure, and scalable services Maintain high standards for code quality, observability, and maintainability through reviews and best practices Identify and resolve performance issues, scaling challenges, or reliability bottlenecks within your domain What You Bring: Strong expertise …/CD workflows, observability tooling, security, and automation best practices Collaborate across teams,contribute to architectural and development best practices A bias for ownership, accountability, and delivering high-quality software Preferred Skills (Nice to Have): Experience with Authentication, Authorization, RBAC and security best practices. Familiarity with cloud primitives such as VPC, S3, Virtual Machines, etc. Qualities we look … resources, we make sure you're as strong mentally as you are professionally. A culture that emphasises results over hierarchy, process & ego: we place great emphasis on the quality, ingenuity and creativity of work. Open communication, regular feedback: we value smooth collaboration, direct and actionable feedback, and believe that leading with empathy and a growth mindset makes us More ❯

Building and scaling a Node.js 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 a 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, production-ready code Experience (or interest) in data-heavy systems, IoT, or connected More ❯

Building and scaling a Node.js 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 a 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, production-ready code Experience (or interest) in data-heavy systems, IoT, or connected More ❯

needs and deliver robust solutions. Implement XML, XSLT , and other relevant technologies for data manipulation and transformation. Use Jira for project management and task tracking. Maintain high standards of code quality, efficiency, and performance. Provide guidance and support to junior team members. Required Skills UK National with minimum 5 years residency (BPSS clearance required). Proven experience More ❯

needs and deliver robust solutions. Implement XML, XSLT , and other relevant technologies for data manipulation and transformation. Use Jira for project management and task tracking. Maintain high standards of code quality, efficiency, and performance. Provide guidance and support to junior team members. Required Skills UK National with minimum 5 years residency (BPSS clearance required). Proven experience More ❯

early Collaborate with cross-functional teams to align technical decisions with product goals Track and improve app health, including crash-free rates, render times, and app store ratings Drive code quality through reviews, feedback, and technical leadership What we're looking for 3+ years building and maintaining production Flutter apps at scale 5+ years in iOS and More ❯

Canvas Apps beneficial) Familiarity with Azure (Functions, Logic Apps, integrations) Strong ALM/DevOps practices for CRM Excellent understanding of APIs, integration patterns and data migration High standards for code quality, security and maintainability Ability to create accurate, comprehensive documentation If this sounds like the role for you hit APPLY & a consultant will be in touch. More ❯