101 to 125 of 810 Permanent Clean Code Jobs

Senior Backend Engineer - Java for Global Banking Platform

Location
Manchester, England, United Kingdom
features for banks worldwide, building new components from scratch and enhancing existing tooling. The role welcomes engineers at all levels, values curiosity, and emphasizes clean code and automated testing. We code primarily in Java, with cloud-native AWS/GCP, microservices, Kubernetes (EKS), and CI/ ...

Senior Software Engineer, Post-Trade Winton Group · London, United Kingdom 6 hours ago

Location
Greater London, England, United Kingdom
event-driven systems with high reliability, scalability and observability Contribute to technical strategy and long-term platform direction Write high-quality, efficient and maintainable code with accompanying automated tests and documentation across UI, services and data storage layers Continuously improve existing services, libraries and shared components Ensure systems … strategies Work closely with product and business stakeholders to translate high-level problems into thoughtful technical solutions Collaborate with team through active contribution in code reviews, knowledge-sharing and design discussions Build domain knowledge in business and technology areas Evaluate new technologies pragmatically Contribute to CI/CD pipelines ...

Lead Software Engineer - JAVA - Equities - Vice President

Location
Greater London, England, United Kingdom
class software solutions for our Equity Derivatives platform 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), while … Spring boot framework Experience of TypeScript/React development Demonstrated experience leading effective use of approved AI-assisted software development tools (e.g., for coding, code review, test acceleration, troubleshooting) with the ability to set team expectations for validating AI outputs for correctness, performance, and security. Strong understanding of responsible ...

Senior Software Engineer

Location
United Kingdom
DynamoDB, RDS) NestJS or equivalent back-end frameworks Microservices and event-driven architectures We also actively embrace AI coding assistants (such as Claude Code) to speed up development, improve code quality and reduce repetitive work — and we encourage engineers to use these tools effectively. What we’re looking … experience developing UIs with React Solid understanding of cloud-native engineering on AWS Experience with microservices, messaging patterns and distributed systems A commitment to clean code, testing, observability and operational excellence A proactive and motivated mindset — someone who wants to build, ship and iterate quickly Interest ...

Lead Data Consultants London

Location
Greater London, England, United Kingdom
apply them Experience with software engineering and DevOps best practices as well as the complete SDLC applied to data, e.g. automation, testing, contract definition, clean code, CI/CD, path to production Worked with one or more cloud platforms and services (AWS, Azure, GCP) Extensive hands‐on experience ...

Senior Python Engineer (Full Stack)

Location
Greater London, England, United Kingdom
Typescript and a modern JS framework such as React, Angular or Vue.js. We generally use React & NextJS Strong engineering principles & practices: design patterns, testing, clean code and a good reviewer Previous experience working in a product-focused team A keen desire to want to learn and input into ...

AI Engineer - Remote & Flexible Hours for Impact

Location
Greater London, England, United Kingdom
meet client needs, working closely with engineers, designers, and product managers to deliver high-quality solutions. Responsibilities include collaborating with cross-functional teams, writing clean code, conducting code reviews, and continuously improving development processes while staying current with industry trends. #J-18808-Ljbffr ...

AWS Software Engineer (Node.js/TypeScript)

Location
Nottingham, England, United Kingdom
internal platforms on AWS, leveraging modern serverless and event-driven architectures. This is a hands‐on role for an engineer who thrives on automation, clean code, and delivering production‐grade software at pace. You will work closely with product, platform, and DevOps colleagues to deliver scalable backend services … office 3 days a week. Key Responsibilities: Design, build, and maintain serverless applications using AWS Lambda, API Gateway, DynamoDB, S3, SQS, and SNS. Write clean, maintainable, and well-tested TypeScript and/or Node.js code across microservices and event-driven workloads. Own the full development lifecycle of features ...

Senior Software Engineer - Front End - Studio (Core)

Location
Greater London, England, United Kingdom
Engineer highly reliable, API-driven payment systems that streamline operations and support our global expansion. Translate product and design requirements into clean, maintainable and well-tested components. Collaborate closely with product managers, business, operations, designers and back-end engineers to deliver high-quality experiences. Identify and resolve performance, accessibility … usability issues across the application. Participate in code reviews, contribute to shared component libraries, and help uphold our engineering standards. Support the operational health of your features and help maintain a high SLA. The Team You will work with a team of talented, passionate and highly collaborative engineers. Working ...

Staff Software Engineer, Frontend

Location
Greater London, England, United Kingdom
major plus, but ultimately, you know how to translate designs into pixel-perfect reality. User-obsessed mindset: You don't just write code; you build products. You are passionate about the User Experience (UX) . Experience with Figma or similar design tools is a plus, helping you bridge … between design and engineering. Clean code philosophy: You care deeply about the quality of your craft. You strive for simplicity, strictly adhere to DRY (Don't Repeat Yourself) principles, and write code that is readable and maintainable. Collaborative spirit: You are a genuine team player who thrives ...

Lead Software Engineer Colchester

Location
Colchester, England, United Kingdom
applications. What You'll Do Lead technical architecture and design decisions for client projects Mentor and guide junior developers in their professional growth Conduct code reviews and maintain high code quality standards Collaborate closely with product managers and designers Drive technical innovation and implement best practices Manage project … React, Node.js, and TypeScript Experience with cloud platforms (AWS, Google Cloud) Strong leadership and mentoring skills Experience with agile development methodologies Passion for clean code and technical excellence What We Offer Competitive salary Flexible working arrangements (remote/hybrid options) Professional development budget for courses and conferences Comprehensive ...

Sr. Software Developer Engineer - Testing

Location
Bangor, Northern Ireland, United Kingdom
automation frameworks (including framework creation, enhancements, and long-term maintenance). Write and maintain automated tests using Java and C#, applying strong engineering practices (clean code, reuse, maintainability). Author, test, and evangelize AI optimization Agents, Skills, and Instructions that speed test automation generation and execution. Guide product … Skills, and related AI assets focused on automating and optimizing test management lifecycle with an AI First mindset. Familiarity with Terraform/Infrastructure as Code concepts. Experience creating dashboards/metrics for quality, automation health, and pipeline outcomes. Experience testing distributed systems, microservices, and complex integrations. Location Expectation: This ...

Senior Software Developer

Location
Belfast, Northern Ireland, United Kingdom
Specification, Design, and Planning of upcoming features Build, maintain, test (including automated functional tests) and release our well architected services by writing correct and clean code consistently and following best practices Apply the Enea software development process which adopt Agile methodologies along with modern CI/CD tooling ...

Senior Software Engineer

Location
Greater London, England, United Kingdom
queries, and familiarity with NoSQL databases. Familiarity with CI/CD workflows and the deployment of workloads to cloud infrastructure. Passion for writing clean, testable and robust code. A BSc in Computer Science or Mathematics (or equivalent experience). Enjoy working in a fast paced, high-growth environment. ...

Software Engineer

Location
Greater London, England, United Kingdom
Test-Driven Development (TDD), Agile methodologies, and DevOps culture.* Comfortable with front-end technologies such as HTML, CSS, and JavaScript.**Desirable Skills*** Awareness of clean coding and SOLID principles.* Exposure to AWS cloud services.* Experience with JUnit or other testing tools.* Basic knowledge of XML/JSON data formats ...

Software Engineer

Location
Greater London, England, United Kingdom
Test-Driven Development (TDD), Agile methodologies, and DevOps culture.* Comfortable with front-end technologies such as HTML, CSS, and JavaScript.**Desirable Skills*** Awareness of clean coding and SOLID principles.* Exposure to AWS cloud services.* Experience with JUnit or other testing tools.* Basic knowledge of XML/JSON data formats ...

Camunda Developer - Knutsford, UK

Location
Manchester, England, United Kingdom
integrate React-based user interfaces for handling user tasks.Develop and maintain backend services using Java and SQL-based systems.Analyze business requirements and deliver clean, scalable, and testable code.Ensure all features and user stories are delivered with 100% automated test coverage.Participate actively in SCRUM ceremonies and keep JIRA updated regularly.Provide ...

Camunda Developer - Knutsford, UK

Location
Knutsford, England, United Kingdom
React-based user interfaces for handling user tasks. Develop and maintain backend services using Java and SQL-based systems. Analyze business requirements and deliver clean, scalable, and testable code. Ensure all features and user stories are delivered with 100% automated test coverage. Participate actively in SCRUM ceremonies and keep ...

Senior AI Engineer

Location
Greater London, England, United Kingdom
scientists, engineers, and other stakeholders to scope and deliver AI features that address real insurance business problems. Own the full software lifecycle, including design, code review, testing, deployment, monitoring, and production support. Translate complex business requirements into well-scoped technical solutions with a strong focus on reliability, maintainability, failure … modes, and operational excellence. Mentor and support junior engineers through design reviews, code reviews, and technical guidance. Contribute to technical standards, best practices, and reusable patterns for AI engineering across the team. Evaluate and improve model quality, retrieval strategies, prompt and agent design, and production performance over time. Partner ...

Android Developer

Location
City of Edinburgh, Scotland, United Kingdom
services. Key responsibilities Design, develop and maintain high-quality Android applications using Kotlin Translate user and business requirements into reliable, maintainable technical solutions Write clean, well-tested and maintainable code following modern Android development practices Work collaboratively with designers, product managers, QA professionals and other developers within … agile multidisciplinary team Participate in technical discussions, code reviews and architectural decision-making Develop automated tests and contribute to continuous integration and delivery processes Investigate and resolve technical issues, defects and performance problems Consider security, accessibility, privacy, resilience and performance throughout the development lifecycle Contribute to technical documentation ...

Android Developer

Location
Manchester, England, United Kingdom
responsibilities Design, develop and maintain high-quality Android applications using Kotlin . Translate user and business requirements into reliable, maintainable technical solutions. Write clean, well-tested and maintainable code following modern Android development practices. Work collaboratively with designers, product managers, QA professionals and other developers within an agile … multidisciplinary team. Participate in technical discussions, code reviews and architectural decision-making. Develop automated tests and contribute to continuous integration and delivery processes. Investigate and resolve technical issues, defects and performance problems. Consider security, accessibility, privacy, resilience and performance throughout the development lifecycle. Contribute to technical documentation and knowledge ...

Android Developer

Location
Greater London, England, United Kingdom
responsibilities Design, develop and maintain high-quality Android applications using Kotlin . Translate user and business requirements into reliable, maintainable technical solutions. Write clean, well-tested and maintainable code following modern Android development practices. Work collaboratively with designers, product managers, QA professionals and other developers within an agile … multidisciplinary team. Participate in technical discussions, code reviews and architectural decision-making. Develop automated tests and contribute to continuous integration and delivery processes. Investigate and resolve technical issues, defects and performance problems. Consider security, accessibility, privacy, resilience and performance throughout the development lifecycle. Contribute to technical documentation and knowledge ...

Full Stack Technical Lead

Location
Greater London, England, United Kingdom
high‐performing engineering team. What You’ll get to do Provide hands‐on development across front‐end (React) and back‐end (Java) components. Lead code reviews and ensure adherence to engineering standards. Establish best practices for: Clean code and maintainability; Testing strategy (unit, integration, E2E); CI/ ...

Android Developer

Location
Manchester, England, United Kingdom
government digital services Design, develop and maintain high-quality Android applications using Kotlin Translate user and business requirements into reliable, maintainable technical solutions Write clean, well-tested and maintainable code following modern Android development practices Work collaboratively with designers, product managers, QA professionals and other developers within … agile multidisciplinary team Participate in technical discussions, code reviews and architectural decision-making Develop automated tests and contribute to continuous integration and delivery processes Investigate and resolve technical issues, defects and performance problems Consider security, accessibility, privacy, resilience and performance throughout the development lifecycle Contribute to technical documentation ...

Software Engineer

Location
Belfast City District, Northern Ireland, United Kingdom
modern technologies and engineering practices. What you'll be doing Designing, developing and maintaining software applications Building new functionality and improving existing systems Writing clean, scalable and maintainable code Working with APIs, databases and third party integrations Identifying and resolving technical issues Contributing to technical design and architectural … discussions Participating in code reviews and development standards Writing and maintaining automated tests Supporting deployment and CI/CD processes Working with product and business teams to understand requirements Contributing to continuous improvement across the engineering function What we're looking for We are looking for someone with solid ...