26 to 50 of 1,164 Permanent Clean Code Jobs

one of the UK’s most successful startups, built by top-tier engineers and developers from industry leading teams. We’re looking for a software engineer who enjoys writing clean, functional code and is genuinely passionate about real-world engineering not just building software, but helping change how things are designed and built. Opportunities: Frontend or Backend Tech … frontends using React and TypeScript Work closely with domain experts (engineers, designers) to translate complex physical problems into usable software features Follow functional programming practices to write testable, composable code Own features from idea to implementation to deployment Contribute to architectural decisions in a fast-moving, early-stage product Requirements Bachelor’s degree in Computer Science, Engineering, Physics, Mathematics … web applications in a production environment Strong experience with Python and API frameworks (FastAPI, Flask, etc.) Proficiency with React and TypeScript Comfort or interest in functional programming principles and clean code architecture A genuine interest in engineering and the physical world Ability to thrive in a startup or agile environment with autonomy and ownership Software Engineer – Python/ More ❯

one of the UK’s most successful startups, built by top-tier engineers and developers from industry leading teams. We’re looking for a software engineer who enjoys writing clean, functional code and is genuinely passionate about real-world engineering not just building software, but helping change how things are designed and built. Opportunities: Frontend or Backend Tech … frontends using React and TypeScript Work closely with domain experts (engineers, designers) to translate complex physical problems into usable software features Follow functional programming practices to write testable, composable code Own features from idea to implementation to deployment Contribute to architectural decisions in a fast-moving, early-stage product Requirements Bachelor’s degree in Computer Science, Engineering, Physics, Mathematics … web applications in a production environment Strong experience with Python and API frameworks (FastAPI, Flask, etc.) Proficiency with React and TypeScript Comfort or interest in functional programming principles and clean code architecture A genuine interest in engineering and the physical world Ability to thrive in a startup or agile environment with autonomy and ownership Software Engineer – Python/ More ❯

one of the UK’s most successful startups, built by top-tier engineers and developers from industry leading teams. We’re looking for a software engineer who enjoys writing clean, functional code and is genuinely passionate about real-world engineering not just building software, but helping change how things are designed and built. Opportunities: Frontend or Backend Tech … frontends using React and TypeScript Work closely with domain experts (engineers, designers) to translate complex physical problems into usable software features Follow functional programming practices to write testable, composable code Own features from idea to implementation to deployment Contribute to architectural decisions in a fast-moving, early-stage product Requirements Bachelor’s degree in Computer Science, Engineering, Physics, Mathematics … web applications in a production environment Strong experience with Python and API frameworks (FastAPI, Flask, etc.) Proficiency with React and TypeScript Comfort or interest in functional programming principles and clean code architecture A genuine interest in engineering and the physical world Ability to thrive in a startup or agile environment with autonomy and ownership Software Engineer – Python/ More ❯

one of the UK’s most successful startups, built by top-tier engineers and developers from industry leading teams. We’re looking for a software engineer who enjoys writing clean, functional code and is genuinely passionate about real-world engineering not just building software, but helping change how things are designed and built. Opportunities: Frontend or Backend Tech … frontends using React and TypeScript Work closely with domain experts (engineers, designers) to translate complex physical problems into usable software features Follow functional programming practices to write testable, composable code Own features from idea to implementation to deployment Contribute to architectural decisions in a fast-moving, early-stage product Requirements Bachelor’s degree in Computer Science, Engineering, Physics, Mathematics … web applications in a production environment Strong experience with Python and API frameworks (FastAPI, Flask, etc.) Proficiency with React and TypeScript Comfort or interest in functional programming principles and clean code architecture A genuine interest in engineering and the physical world Ability to thrive in a startup or agile environment with autonomy and ownership Software Engineer – Python/ More ❯

at a time, this system enables users to generate, visualise, and explore thousands of design alternatives. Faster and more intelligently than ever before. Looking for someone who enjoys writing clean, wellstructured code and has a genuine interest in engineering.. not just software, but how things are built in the real world. Backed by one of Europe's leading … frontends using React and TypeScript Work closely with domain experts (engineers, designers) to translate complex physical problems into usable software features Follow functional programming practices to write testable, composable code Own features from idea to implementation to deployment Contribute to architectural decisions in a fast-moving, early-stage product Requirements Bachelor's degree in Computer Science 2+ years of … web applications in a production environment Strong experience with Python and API frameworks (FastAPI, Flask, etc.) Proficiency with React and TypeScript Comfort or interest in functional programming principles and clean code architecture A genuine interest in engineering and the physical world Ability to thrive in a startup or agile environment with autonomy and ownership Software Engineer - Python/ More ❯

by millions. This is a modern environment where engineering standards matter — you’ll work with React, TypeScript, and Azure-based microservices in a product-led setup that values autonomy, clean code, and great UX. You’ll be joining a cross-functional team that blends speed and quality, shipping products that solve real customer problems at scale. Expect modern … Designing and building performant, scalable, and intuitive UIs using React and modern front-end tooling. Collaborating closely with engineers, designers, and product managers to deliver high-impact features. Writing clean, testable, maintainable code with a focus on performance and accessibility. Helping shape engineering standards, best practices, and architecture across multiple products. Working in a fast-moving Agile environment … with CI/CD, automated testing, and code reviews at the core. What We’re Looking For Deep expertise in React , JavaScript/TypeScript, and modern front-end frameworks. Experience working with RESTful APIs and building rich, data-driven interfaces. Knowledge of cloud environments (Azure or AWS) and CI/CD pipelines (GitHub Actions, Jenkins, etc.). Familiarity with More ❯

by millions. This is a modern environment where engineering standards matter — you’ll work with React, TypeScript, and Azure-based microservices in a product-led setup that values autonomy, clean code, and great UX. You’ll be joining a cross-functional team that blends speed and quality, shipping products that solve real customer problems at scale. Expect modern … Designing and building performant, scalable, and intuitive UIs using React and modern front-end tooling. Collaborating closely with engineers, designers, and product managers to deliver high-impact features. Writing clean, testable, maintainable code with a focus on performance and accessibility. Helping shape engineering standards, best practices, and architecture across multiple products. Working in a fast-moving Agile environment … with CI/CD, automated testing, and code reviews at the core. What We’re Looking For Deep expertise in React , JavaScript/TypeScript, and modern front-end frameworks. Experience working with RESTful APIs and building rich, data-driven interfaces. Knowledge of cloud environments (Azure or AWS) and CI/CD pipelines (GitHub Actions, Jenkins, etc.). Familiarity with More ❯

by millions. This is a modern environment where engineering standards matter — you’ll work with React, TypeScript, and Azure-based microservices in a product-led setup that values autonomy, clean code, and great UX. You’ll be joining a cross-functional team that blends speed and quality, shipping products that solve real customer problems at scale. Expect modern … Designing and building performant, scalable, and intuitive UIs using React and modern front-end tooling. Collaborating closely with engineers, designers, and product managers to deliver high-impact features. Writing clean, testable, maintainable code with a focus on performance and accessibility. Helping shape engineering standards, best practices, and architecture across multiple products. Working in a fast-moving Agile environment … with CI/CD, automated testing, and code reviews at the core. What We’re Looking For Deep expertise in React , JavaScript/TypeScript, and modern front-end frameworks. Experience working with RESTful APIs and building rich, data-driven interfaces. Knowledge of cloud environments (Azure or AWS) and CI/CD pipelines (GitHub Actions, Jenkins, etc.). Familiarity with More ❯

Junior PHP Developer to join our growing development team. You'll help build and maintain web applications that are central to our business operations. If you're passionate about clean code, scalable solutions, and collaborative development, we want to hear from you! What you'll be doing: Developing web apps using CakePHP (or similar frameworks like Laravel) Writing … clean, maintainable code Debugging and enhancing existing systems Collaborating with the team to design scalable solutions Participating in code reviews and learning from feedback What You'll Bring Experience with CakePHP or Laravel Solid understanding of MySQL, HTML, CSS, JavaScript Familiarity with Git and version control workflows A proactive, problem-solving mindset Strong communication and attention to … 25+ days holiday (plus more with tenure) ? Flexible hours & your birthday off ? Free EV charging & car washing ? Regular team socials & charity events ? Free products & generous staff discount ? Casual dress code & unlimited drinks/snacks ? Company pension More ❯

SaaS platform. Collaborating closely with other engineers, product managers, and designers to deliver high-quality code. Taking ownership of projects from concept to deployment in an AWS environment. Writing clean, maintainable code across the full stack (PHP/Laravel or Python + React/Vue.js). Contributing to system architecture, best practices, and continuous improvement. Working hybrid - just …/Laravel or Python . Frontend development experience with React or Vue.js . Solid understanding of SQL databases and relational design. Experience working in AWS environments. A passion for clean code, testing, and scalable architecture. A collaborative mindset - someone who thrives in a team setting. What's On Offer £55,000 - £65,000 depending on experience. Hybrid working More ❯

Software Engineer with strong expertise in .NET and AWS to join our client Key Responsibilities Design, develop, and maintain scalable, high-performance software solutions. Develop and manage Infrastructure as Code (IaC) using AWS CDK (Python) to automate deployment and cloud resource management. Drive code quality through automated testing , unit testing, and adherence to clean code principles. … processes, and configurations. Experience & Competencies Experience as a Senior .NET Engineer , ideally within financial services or a similarly complex domain. Strong hands-on experience with AWS and Infrastructure as Code , particularly AWS CDK in Python . Familiarity with Entity Framework (or similar ORM frameworks) and contract-first system design . Solid understanding of automated testing frameworks and unit testing More ❯

Software Engineer with strong expertise in .NET and AWS to join our client Key Responsibilities Design, develop, and maintain scalable, high-performance software solutions. Develop and manage Infrastructure as Code (IaC) using AWS CDK (Python) to automate deployment and cloud resource management. Drive code quality through automated testing , unit testing, and adherence to clean code principles. … processes, and configurations. Experience & Competencies Experience as a Senior .NET Engineer , ideally within financial services or a similarly complex domain. Strong hands-on experience with AWS and Infrastructure as Code , particularly AWS CDK in Python . Familiarity with Entity Framework (or similar ORM frameworks) and contract-first system design . Solid understanding of automated testing frameworks and unit testing More ❯

Software Engineer with strong expertise in .NET and AWS to join our client Key Responsibilities Design, develop, and maintain scalable, high-performance software solutions. Develop and manage Infrastructure as Code (IaC) using AWS CDK (Python) to automate deployment and cloud resource management. Drive code quality through automated testing , unit testing, and adherence to clean code principles. … processes, and configurations. Experience & Competencies Experience as a Senior .NET Engineer , ideally within financial services or a similarly complex domain. Strong hands-on experience with AWS and Infrastructure as Code , particularly AWS CDK in Python . Familiarity with Entity Framework (or similar ORM frameworks) and contract-first system design . Solid understanding of automated testing frameworks and unit testing More ❯

Software Engineer with strong expertise in .NET and AWS to join our client Key Responsibilities Design, develop, and maintain scalable, high-performance software solutions. Develop and manage Infrastructure as Code (IaC) using AWS CDK (Python) to automate deployment and cloud resource management. Drive code quality through automated testing , unit testing, and adherence to clean code principles. … processes, and configurations. Experience & Competencies Experience as a Senior .NET Engineer , ideally within financial services or a similarly complex domain. Strong hands-on experience with AWS and Infrastructure as Code , particularly AWS CDK in Python . Familiarity with Entity Framework (or similar ORM frameworks) and contract-first system design . Solid understanding of automated testing frameworks and unit testing More ❯

Software Engineer with strong expertise in .NET and AWS to join our client Key Responsibilities Design, develop, and maintain scalable, high-performance software solutions. Develop and manage Infrastructure as Code (IaC) using AWS CDK (Python) to automate deployment and cloud resource management. Drive code quality through automated testing , unit testing, and adherence to clean code principles. … processes, and configurations. Experience & Competencies Experience as a Senior .NET Engineer , ideally within financial services or a similarly complex domain. Strong hands-on experience with AWS and Infrastructure as Code , particularly AWS CDK in Python . Familiarity with Entity Framework (or similar ORM frameworks) and contract-first system design . Solid understanding of automated testing frameworks and unit testing More ❯

key accountabilities: Demonstrates good knowledge of technologies and/or SME knowledge of a technology, advising others on design, development and implementation. Advances tools and applications by producing expert code and producing the right solutions needed. Handles own workload and promotes an inclusive and open culture. Is regarded as the point of contact in their domain by showing significant … Java fundamentals (JVM, multithreading, collections, I/O, etc). Strong development experience in Java technology stack along with API development, Docker and Kubernetes. Strong technical experience on writing clean code, unit tests, code reviewing and refactoring. Good knowledge of the following software engineering principles: SOLID, DRY, Law of Demeter. Keen understanding of the challenges in low More ❯

focus on both application logic and data access . This role is ideal for someone confident in both C#/.NET development and SQL , and who enjoys working on clean, maintainable code and performance-optimised database logic. What You’ll Be Working On: Designing and building backend services in C#. Building secure, well-structured APIs with throttling and … and scripts. Integrating external systems with custom data synchronisation logic. Utilising Open Telemetry and Grafana for logs, metrics, tracing, and alerting across backend services. Contributing to technical design discussions, code reviews, and deployments. What We’re Looking For: Strong experience in C#/.NET backend development. Solid understanding of data modelling, indexing, and performance tuning. Skilled in writing and … optimising complex SQL queries and stored procedures. Experience building and maintaining APIs, background jobs, and integration points. Attention to detail, clean code, and a performance-first mindset. Great problem-solving and troubleshooting skills. Good communication and teamwork skills. What You’ll Get: £70,000 Salary. 25 days holiday + 8 public holidays. Employer Pension contribution. Flexible hybrid working More ❯

meaningful business domain. Contribute across the tech stack: You’ll work in React (JavaScript/TypeScript) on the frontend and Python (FastAPI, SQLAlchemy) on the backend, shipping production-ready code and user-facing features in addition to innovative ML work. Live on the cutting edge of AI tooling: You’ll help push the boundary of what’s feasible with … faster. Participate in a fast-paced iterative environment: Collaborate closely with design, product, and beyond to deliver and iterate on impressive features and prototypes at world-class pace. Keep code clean and well-tested: Maintain clean, efficient, and tested code with clear documentation for both peers and future reference. Review, refine, and grow: Actively participate in … do-whatever-it-takes attitude to deliver against important business goals that help the entire team win Pragmatic Best Practices: An overarching desire to build efficient, scalable, and maintainable code, while learning the tradeoffs between technical debt and delivery speed What we look for: We’re a great bunch but we have some "Euph" cultural non-negotiables. To do More ❯

meaningful business domain. Contribute across the tech stack: You’ll work in React (JavaScript/TypeScript) on the frontend and Python (FastAPI, SQLAlchemy) on the backend, shipping production-ready code and user-facing features in addition to innovative ML work. Live on the cutting edge of AI tooling: You’ll help push the boundary of what’s feasible with … faster. Participate in a fast-paced iterative environment: Collaborate closely with design, product, and beyond to deliver and iterate on impressive features and prototypes at world-class pace. Keep code clean and well-tested: Maintain clean, efficient, and tested code with clear documentation for both peers and future reference. Review, refine, and grow: Actively participate in … do-whatever-it-takes attitude to deliver against important business goals that help the entire team win Pragmatic Best Practices: An overarching desire to build efficient, scalable, and maintainable code, while learning the tradeoffs between technical debt and delivery speed What we look for: We’re a great bunch but we have some "Euph" cultural non-negotiables. To do More ❯

requirements. In this position you will play a key role in developing and maintaining a range of business-critical applications, websites and system integrations. If you like to write clean and maintainable code and you enjoy solving complex problems, I would like to hear from you immediately! The role is offered on a hybrid working basis, 3 days … area at short notice. In this role you will be responsible for: - Developing bespoke software and middleware solutions to support and help grow business operations. Deliver high-quality, secure code using modern and best practice approaches. Collaborating with stakeholders to translate business requirements into robust technical solutions. Troubleshooting and resolving issues across development environments. Mentoring more junior team members … with industry trends, frameworks and emerging technologies. We are looking to speak with collaborative, hands-on PHP Developers who enjoy working in a fast-paced environment. You MUST value clean code, modern development practices, and believe in sharing knowledge with others. You will be confident in leading discussions with technical and non-technical stakeholders, designing solutions to solve More ❯

requirements. In this position you will play a key role in developing and maintaining a range of business-critical applications, websites and system integrations. If you like to write clean and maintainable code and you enjoy solving complex problems, I would like to hear from you immediately! The role is offered on a hybrid working basis, 3 days … area at short notice. In this role you will be responsible for: - Developing bespoke software and middleware solutions to support and help grow business operations. Deliver high-quality, secure code using modern and best practice approaches. Collaborating with stakeholders to translate business requirements into robust technical solutions. Troubleshooting and resolving issues across development environments. Mentoring more junior team members … with industry trends, frameworks and emerging technologies. We are looking to speak with collaborative, hands-on PHP Developers who enjoy working in a fast-paced environment. You MUST value clean code, modern development practices, and believe in sharing knowledge with others. You will be confident in leading discussions with technical and non-technical stakeholders, designing solutions to solve More ❯

Senior Java Developer to join our growing team. You’ll be instrumental in building robust, scalable backend systems using modern technologies and cloud platforms. If you’re passionate about clean code, distributed systems, and continuous delivery, we want to hear from you. What You’ll Do Design and build scalable backend services using Java and Spring Boot, with … CI/CD pipelines to ensure smooth, automated deployments and rapid iteration cycles Containerize applications using Docker and collaborate on orchestration strategies (Kubernetes experience is a plus) Maintain high code quality through rigorous testing, code reviews, and adherence to clean coding principles Collaborate cross-functionally with DevOps, QA, and Product teams to deliver end-to-end solutions More ❯

Senior Java Developer to join our growing team. You’ll be instrumental in building robust, scalable backend systems using modern technologies and cloud platforms. If you’re passionate about clean code, distributed systems, and continuous delivery, we want to hear from you. What You’ll Do Design and build scalable backend services using Java and Spring Boot, with … CI/CD pipelines to ensure smooth, automated deployments and rapid iteration cycles Containerize applications using Docker and collaborate on orchestration strategies (Kubernetes experience is a plus) Maintain high code quality through rigorous testing, code reviews, and adherence to clean coding principles Collaborate cross-functionally with DevOps, QA, and Product teams to deliver end-to-end solutions More ❯

Senior Java Developer to join our growing team. You’ll be instrumental in building robust, scalable backend systems using modern technologies and cloud platforms. If you’re passionate about clean code, distributed systems, and continuous delivery, we want to hear from you. What You’ll Do Design and build scalable backend services using Java and Spring Boot, with … CI/CD pipelines to ensure smooth, automated deployments and rapid iteration cycles Containerize applications using Docker and collaborate on orchestration strategies (Kubernetes experience is a plus) Maintain high code quality through rigorous testing, code reviews, and adherence to clean coding principles Collaborate cross-functionally with DevOps, QA, and Product teams to deliver end-to-end solutions More ❯

Your mission We are looking for an experienced Senior Software Engineer to join our journey at Kaiko Systems in Berlin, London or Brasil. If you're passionate about clean code, smart architecture, and product impact-you'll feel right at home. What you'll do: Deliver End-to-End Value : Think beyond the story - own features from idea … to delivery. Collaborate closely with Product Managers from the start, challenge and enrich their thinking, and take full responsibility for testing, code reviews, and deployment. Ensure that what we ship is reliable, impactful, and maintainable. Code with Purpose : Write and maintain Python code using Django, Celery, and PostgreSQL - always optimizing for performance, readability, and scalability. Design Thoughtfully … Develop mid-sized project architectures that are scalable, maintainable, and secure. Build Reliable Systems : Develop robust, testable code and implement automated testing strategies to ensure maintainability and high code quality. Own the Infra : Support and improve our DevOps stack with CI/CD pipelines and infrastructure-as-code practices. Secure by Design : Implement secure development practices and More ❯