251 to 275 of 1,115 Permanent Clean Code Jobs

Senior Java Software Engineer Watford/Hybrid Salary - £70,000 - £80,000 + Excellent benefits We’re looking for a talented Senior Java Engineer with a passion for clean code, elegant architecture, and efficient delivery. This is a hands-on role focused on developing a cloud-native platform and its foundational services—mission-critical components that support a … As part of a small, elite team, you’ll have the freedom and responsibility to shape the future of the platform. 🔧 Key Responsibilities • Deliver best-in-class Java platform code with a strong focus on architecture and design. • Build robust, scalable applications using industry-standard source control tools. • Develop and test across multiple browsers, platforms, and devices, including mobile. … reliability and security. • Optimize performance to meet service level objectives. • Create and improve internal foundational software tools. • Maintain and enhance customer-facing services like authentication and integration. • Write performant code that interacts with Postgres, leveraging strong SQL and database skills. • Provide architectural guidance and practical support to development teams, especially around interfaces, security, and performance. • Seek innovative technical solutions More ❯

cloud platforms like Azure or AWS to deploy and scale applications. Participating in agile, cross-functional teams delivering real-world impact. Contributing to CI/CD pipelines and writing clean, maintainable code. What Were Looking For Essential Skills: 3 years experience with Java and Spring boot Front-end development using modern JavaScript frameworks Familiarity with cloud infrastructure (Azure or … teams. Must be eligible for SC Clearance (UK Resident for minimum 5 years and no more than 28 days abroad in a single trip). Desirable Experience: Infrastructure-as-Code tools (e.g., Terraform). Working with Docker and containerized environments. Knowledge of SQL databases (SQL Server, PostgreSQL). Familiarity with Entity Framework Core . Understanding of web accessibility and More ❯

cloud platforms like Azure or AWS to deploy and scale applications. Participating in agile, cross-functional teams delivering real-world impact. Contributing to CI/CD pipelines and writing clean, maintainable code. What We’re Looking For Essential Skills: 3 years experience with Java and Spring boot Front-end development using modern JavaScript frameworks Familiarity with cloud infrastructure (Azure … teams. Must be eligible for SC Clearance (UK Resident for minimum 5 years and no more than 28 days abroad in a single trip). Desirable Experience: Infrastructure-as-Code tools (e.g., Terraform). Working with Docker and containerized environments. Knowledge of SQL databases (SQL Server, PostgreSQL). Familiarity with Entity Framework Core . Understanding of web accessibility and More ❯

and mentoring multiple cross-functional engineering teams Architecting a modular, cloud-native platform (Azure/AWS – your call) Driving a culture shift across engineering – CI/CD, SRE, DevEx, clean code Setting engineering standards: quality gates, testing practices, observability, automation Working with Product, Delivery, and Exec teams to align on priorities and timelines What we’re looking for … post-acquisition environments Hands-on enough to mentor, challenge ideas, and lead from the front Strong stakeholder skills – credible with engineers and the boardroom We’re rebuilding with a clean slate mindset — modern, cloud-native, and fully automated from day one. Kubernetes for orchestration — fully containerised architecture Cloud-agnostic setup (AWS, Azure, or GCP – your influence matters) Event-driven … design, modern API practices (REST, gRPC) TypeScript across services and frontend (frameworks are flexible) Infrastructure as Code (Terraform) CI/CD baked in, GitOps model preferred Emphasis on testing, observability, and secure-by-design Why this role? You’ll join a profitable, well-backed SaaS business with real scale — and a brief to modernise how engineering operates from the More ❯

and mentoring multiple cross-functional engineering teams Architecting a modular, cloud-native platform (Azure/AWS – your call) Driving a culture shift across engineering – CI/CD, SRE, DevEx, clean code Setting engineering standards: quality gates, testing practices, observability, automation Working with Product, Delivery, and Exec teams to align on priorities and timelines What we’re looking for … post-acquisition environments Hands-on enough to mentor, challenge ideas, and lead from the front Strong stakeholder skills – credible with engineers and the boardroom We’re rebuilding with a clean slate mindset — modern, cloud-native, and fully automated from day one. Kubernetes for orchestration — fully containerised architecture Cloud-agnostic setup (AWS, Azure, or GCP – your influence matters) Event-driven … design, modern API practices (REST, gRPC) TypeScript across services and frontend (frameworks are flexible) Infrastructure as Code (Terraform) CI/CD baked in, GitOps model preferred Emphasis on testing, observability, and secure-by-design Why this role? You’ll join a profitable, well-backed SaaS business with real scale — and a brief to modernise how engineering operates from the More ❯

and mentoring multiple cross-functional engineering teams Architecting a modular, cloud-native platform (Azure/AWS – your call) Driving a culture shift across engineering – CI/CD, SRE, DevEx, clean code Setting engineering standards: quality gates, testing practices, observability, automation Working with Product, Delivery, and Exec teams to align on priorities and timelines What we’re looking for … post-acquisition environments Hands-on enough to mentor, challenge ideas, and lead from the front Strong stakeholder skills – credible with engineers and the boardroom We’re rebuilding with a clean slate mindset — modern, cloud-native, and fully automated from day one. Kubernetes for orchestration — fully containerised architecture Cloud-agnostic setup (AWS, Azure, or GCP – your influence matters) Event-driven … design, modern API practices (REST, gRPC) TypeScript across services and frontend (frameworks are flexible) Infrastructure as Code (Terraform) CI/CD baked in, GitOps model preferred Emphasis on testing, observability, and secure-by-design Why this role? You’ll join a profitable, well-backed SaaS business with real scale — and a brief to modernise how engineering operates from the More ❯

Responsibilities Design, develop, and maintain robust, efficient, and scalable Python-based applications and services.Collaborate with architects, data engineers, and DevOps teams to design and implement system integrations and APIs.Write clean, reusable, and testable code following best practices and coding standards.Develop and optimize back-end logic, data processing pipelines, and API layers.Implement secure, high-performance solutions for data-driven … applications.Participate in system design discussions, architecture reviews, and performance optimization efforts.Mentor junior developers and contribute to code reviews and technical documentation.Troubleshoot, debug, and resolve complex technical issues across multiple environments.Stay up to date with emerging technologies and propose improvements to enhance system performance and maintainability. Required Skills & Qualifications Bachelors or Masters degree in Computer Science, Engineering, or a related … with data engineering, ETL workflows, or big data frameworks (Spark, AirflowKnowledge of machine learning libraries (NumPy, Pandas, Scikit-learn, TensorFlow, etc is a plus.Exposure to DevOps practices, infrastructure as code, and monitoring tools (Jenkins, Terraform, PrometheusFamiliarity with security best practices for Python-based applications.Prior experience in domains such as finance, healthcare, or government is advantageous. More ❯

project. What You’ll Do Build and maintain robust APIs and web applications using .NET and React Collaborate with cross-functional teams to deliver modern, Azure-hosted solutions Develop clean, testable, and maintainable code across the full stack Integrate with complex healthcare data systems and APIs Support continuous improvement across architecture, tooling, and CI/CD pipelines Participate More ❯

project. What You’ll Do Build and maintain robust APIs and web applications using .NET and React Collaborate with cross-functional teams to deliver modern, Azure-hosted solutions Develop clean, testable, and maintainable code across the full stack Integrate with complex healthcare data systems and APIs Support continuous improvement across architecture, tooling, and CI/CD pipelines Participate More ❯

of our products through deep technical insight and collaboration. Responsibilities Although this exciting and important role will vary day-to-day, we expect that the suitable candidate will: Write clean, idiomatic, and maintainable code that aligns to business requirements Ensure all work is covered by suitable unit tests Proactive contribution to technical excellence through peer reviews and development More ❯

Growth : Plans to 10× revenue and expand to 200+ enterprise customers within 3 years What’s on offer Influence the architecture and scalability of a modern, cloud-native, no-code platform Build features from scratch and own them through deployment and user impact Work with a high-trust engineering culture where product ownership is real, not buzzwords Ship fast … shape the roadmap Tech stack you’ll be working with : TypeScript, React, Node.js, AWS Serverless (Lambda, DynamoDB, EventBridge) What you’ll be doing: This isn’t just about writing code, it’s about owning problems end-to-end and influencing every part of the product lifecycle. You’ll: Lead the design and delivery of high-impact, full-stack features … top-tier engineering teams You’ll thrive here if you: Love working in high-growth, fast-moving environments Naturally take ownership rather than waiting for instructions Care deeply about clean code, great UX, and real customer outcomes Have a track record of excellence in any discipline Benefits Hybrid working: 3 days a week in our new Victoria HQ More ❯

Growth : Plans to 10× revenue and expand to 200+ enterprise customers within 3 years What’s on offer Influence the architecture and scalability of a modern, cloud-native, no-code platform Build features from scratch and own them through deployment and user impact Work with a high-trust engineering culture where product ownership is real, not buzzwords Ship fast … shape the roadmap Tech stack you’ll be working with : TypeScript, React, Node.js, AWS Serverless (Lambda, DynamoDB, EventBridge) What you’ll be doing: This isn’t just about writing code, it’s about owning problems end-to-end and influencing every part of the product lifecycle. You’ll: Lead the design and delivery of high-impact, full-stack features … top-tier engineering teams You’ll thrive here if you: Love working in high-growth, fast-moving environments Naturally take ownership rather than waiting for instructions Care deeply about clean code, great UX, and real customer outcomes Have a track record of excellence in any discipline Benefits Hybrid working: 3 days a week in our new Victoria HQ More ❯

Growth : Plans to 10× revenue and expand to 200+ enterprise customers within 3 years What’s on offer Influence the architecture and scalability of a modern, cloud-native, no-code platform Build features from scratch and own them through deployment and user impact Work with a high-trust engineering culture where product ownership is real, not buzzwords Ship fast … shape the roadmap Tech stack you’ll be working with : TypeScript, React, Node.js, AWS Serverless (Lambda, DynamoDB, EventBridge) What you’ll be doing: This isn’t just about writing code, it’s about owning problems end-to-end and influencing every part of the product lifecycle. You’ll: Lead the design and delivery of high-impact, full-stack features … top-tier engineering teams You’ll thrive here if you: Love working in high-growth, fast-moving environments Naturally take ownership rather than waiting for instructions Care deeply about clean code, great UX, and real customer outcomes Have a track record of excellence in any discipline Benefits Hybrid working: 3 days a week in our new Victoria HQ More ❯

Growth : Plans to 10× revenue and expand to 200+ enterprise customers within 3 years What’s on offer Influence the architecture and scalability of a modern, cloud-native, no-code platform Build features from scratch and own them through deployment and user impact Work with a high-trust engineering culture where product ownership is real, not buzzwords Ship fast … shape the roadmap Tech stack you’ll be working with : TypeScript, React, Node.js, AWS Serverless (Lambda, DynamoDB, EventBridge) What you’ll be doing: This isn’t just about writing code, it’s about owning problems end-to-end and influencing every part of the product lifecycle. You’ll: Lead the design and delivery of high-impact, full-stack features … top-tier engineering teams You’ll thrive here if you: Love working in high-growth, fast-moving environments Naturally take ownership rather than waiting for instructions Care deeply about clean code, great UX, and real customer outcomes Have a track record of excellence in any discipline Benefits Hybrid working: 3 days a week in our new Victoria HQ More ❯

Growth : Plans to 10× revenue and expand to 200+ enterprise customers within 3 years What’s on offer Influence the architecture and scalability of a modern, cloud-native, no-code platform Build features from scratch and own them through deployment and user impact Work with a high-trust engineering culture where product ownership is real, not buzzwords Ship fast … shape the roadmap Tech stack you’ll be working with : TypeScript, React, Node.js, AWS Serverless (Lambda, DynamoDB, EventBridge) What you’ll be doing: This isn’t just about writing code, it’s about owning problems end-to-end and influencing every part of the product lifecycle. You’ll: Lead the design and delivery of high-impact, full-stack features … top-tier engineering teams You’ll thrive here if you: Love working in high-growth, fast-moving environments Naturally take ownership rather than waiting for instructions Care deeply about clean code, great UX, and real customer outcomes Have a track record of excellence in any discipline Benefits Hybrid working: 3 days a week in our new Victoria HQ More ❯

develop new features across the full stack Build and maintain performant, secure backend services using Node.js and GraphQL Develop user interfaces with React.js and modern front-end practices Write clean, maintainable, and well-tested code Participate in code reviews, team discussions, and agile ceremonies Help improve and evolve architecture, tools, and processes as the team grows Skills … Node.js and modern JavaScript (ES6+) Experience with relational databases such as Postgres Familiarity with Git and CI/CD workflows Strong collaboration and communication skills Agile development experience Writing clean, testable code Understanding of secure coding practices Ability to work independently and in a team environment If you're interested in this opportunity, please apply through the link More ❯

framework, automating critical systems, and ensuring scalability and reliability across production environments.This role offers the chance to work closely with researchers and engineers on complex, performance-critical challenges — where clean design, speed, and precision all matter. What you’ll do: Develop and enhance the firm’s quantitative trading framework and core platform components. Design modular, maintainable systems using modern … researchers, traders, and technologists to deliver production-grade solutions. What we’re looking for 2–10 years’ professional software engineering experience. Advanced Python skills with strong development practices and clean code principles. Knowledge of distributed systems, high-performance computing, or real-time data pipelines. Familiarity with containerisation and orchestration (Kubernetes) and cloud infrastructure (AWS a plus). Experience More ❯

resilient, and secure services used by clients worldwide. Collaborate with product and other engineering teams to solve high-impact problems. Apply modern engineering practices and strive for technical excellence - clean code, automated testing, CI/CD, and observability. Support and mentor more junior engineers. You'll need to have: A passion for software engineering, backed by hands-on … the status quo and innovate. We'd love to see: Experience in system architecture and building large-scale applications. Enthusiasm for proactively promoting best practices, improving quality through thoughtful code reviews, testing, and active mentorship. Discover what makes Bloomberg unique - watch our for an inside look at our culture, values, and the people behind our success. More ❯

bottlenecks/challenges in the current development processes and designing innovative solutions to address them. You will also build and implement tools & automation strategies designed to streamline workflows, enhance code quality, and reduce time to deployment. You'll be expected to demonstrate a blend of technical expertise, a passion for efficiency, and an entrepreneurial mindset. In return, you'll … enhance developer workflows Proficiency in relevant automation technologies, e.g. Python, Jenkins, Git Solid programming skills in C#, C++, C and Python Proven ability to deliver scalable, reliable, high quality clean code Keen eye for identifying areas of improvement and championing changes to address them Enthusiastic to learn & apply new technologies and methodologies Benefits Incredible salary + profit-sharing More ❯

design system (e.g. Work with real-time data and streaming endpoints , integrating AI-powered features into the frontend using WebSockets and SDKs. Optimise performance and delivery using techniques like code splitting, lazy loading, and CDN-aware strategies. Ship confidently with containerised deployments (Docker), CI/CD pipelines (GitHub Actions), and cloud hosting (AWS S3/CloudFront). Take ownership … production environments. Understands the principles of responsive design , browser performance , and accessible frontend development . Is comfortable shipping in a DevOps-aware environment containerisation, CI pipelines, cloud hosting. Values clean code, enjoys testing, and appreciates the importance of observability and security in production systems. Brings a collaborative, user-first mindset and a desire to help others grow and More ❯

thrive at the intersection of backend and frontend development? We’re looking for a versatile Fullstack Software Engineer to help scale the core systems of our HIPAA-compliant no-code automation platform that’s transforming healthcare operations. 🛠 What You’ll Do Design and scale core systems like our workflow engine, AI Copilot, and APIs Build end-to-end features … We move fast, but never cut corners Growth opportunities : We're growing fast—so can your career 🎁 Perks & Benefits Professional growth & development support A mission-driven culture that values clean code and meaningful outcomes A collaborative, inclusive environment that celebrates innovation Ready to help shape the future of healthcare automation More ❯

key product areas while leading and mentoring a team of engineers. This is a high-impact leadership role with plenty of autonomy, ideal for someone who loves shipping great code, setting best practices, and developing people. What they’re Looking For: Strong commercial experience with React, Node and TypeScript Solid backend experience — ideally Ruby on Rails or similar MVC … framework Proven leadership skills — line management, coaching, and mentoring Deep understanding of clean code , testing , and modern architecture Strong communication skills and stakeholder collaboration experience Nice to have: Experience with modern frontend stacks like Next.js , design systems , or component libraries Familiarity with agile delivery, CI/CD pipelines, and code quality tooling Interest in scaling systems and More ❯

key product areas while leading and mentoring a team of engineers. This is a high-impact leadership role with plenty of autonomy, ideal for someone who loves shipping great code, setting best practices, and developing people. What they’re Looking For: Strong commercial experience with React, Node and TypeScript Solid backend experience — ideally Ruby on Rails or similar MVC … framework Proven leadership skills — line management, coaching, and mentoring Deep understanding of clean code , testing , and modern architecture Strong communication skills and stakeholder collaboration experience Nice to have: Experience with modern frontend stacks like Next.js , design systems , or component libraries Familiarity with agile delivery, CI/CD pipelines, and code quality tooling Interest in scaling systems and More ❯

complex issues. Experience of Object-Oriented Design (eg UML) and implementation, along with Design patterns. C++ and/or C# Experience of applying test-Driven Development, SOLID principles and Clean Code Ability to contribute to the development of the architecture for applications. Demonstrable experience of defining test plans and test data requirements. Desirable: Experience working in a similar More ❯

complex issues. Experience of Object-Oriented Design (eg UML) and implementation, along with Design patterns. C++ and/or C# Experience of applying test-Driven Development, SOLID principles and Clean Code Ability to contribute to the development of the architecture for applications. Demonstrable experience of defining test plans and test data requirements. Desirable: Experience working in a similar More ❯