1 to 25 of 292 Permanent Clean Code Jobs in the South East

Just Growing – It’s Exploding This is your chance to join the foundational engineering team building the future of AI — and do it in a culture obsessed with innovation, clean code, and real impact. This is not a maintenance role. You’ll be architecting new features, solving deep performance and scalability problems, and working alongside some of the … Working with Docker, Kubernetes, and cloud infrastructure (AWS) Developing within a microservices architecture Solving complex problems in data flow, latency, and scale Contributing to a culture of fast iteration, clean code, and continuous learning 🧰 Tech Stack: Python (FastAPI, Flask) TypeScript, Node.js, React PostgreSQL, Redis, Kafka Docker, Kubernetes, AWS CI/CD with GitHub Actions, Terraform 💼 What You’ll … development Strong skills in Python, with exposure to JavaScript/TypeScript Experience with API design, microservices, and cloud deployments Solid understanding of software engineering best practices A passion for clean, maintainable code and performance Experience working in high-growth, product-driven teams Bonus: Experience in data-heavy environments or SC Clearance 🎁 Package & Perks: £55,000 – £100,000 base More ❯

Just Growing – It’s Exploding This is your chance to join the foundational engineering team building the future of AI — and do it in a culture obsessed with innovation, clean code, and real impact. This is not a maintenance role. You’ll be architecting new features, solving deep performance and scalability problems, and working alongside some of the … Working with Docker, Kubernetes, and cloud infrastructure (AWS) Developing within a microservices architecture Solving complex problems in data flow, latency, and scale Contributing to a culture of fast iteration, clean code, and continuous learning 🧰 Tech Stack: Python (FastAPI, Flask) TypeScript, Node.js, React PostgreSQL, Redis, Kafka Docker, Kubernetes, AWS CI/CD with GitHub Actions, Terraform 💼 What You’ll … development Strong skills in Python, with exposure to JavaScript/TypeScript Experience with API design, microservices, and cloud deployments Solid understanding of software engineering best practices A passion for clean, maintainable code and performance Experience working in high-growth, product-driven teams Bonus: Experience in data-heavy environments or SC Clearance 🎁 Package & Perks: £55,000 – £100,000 base More ❯

Just Growing – It’s Exploding This is your chance to join the foundational engineering team building the future of AI — and do it in a culture obsessed with innovation, clean code, and real impact. This is not a maintenance role. You’ll be architecting new features, solving deep performance and scalability problems, and working alongside some of the … Working with Docker, Kubernetes, and cloud infrastructure (AWS) Developing within a microservices architecture Solving complex problems in data flow, latency, and scale Contributing to a culture of fast iteration, clean code, and continuous learning 🧰 Tech Stack: Python (FastAPI, Flask) TypeScript, Node.js, React PostgreSQL, Redis, Kafka Docker, Kubernetes, AWS CI/CD with GitHub Actions, Terraform 💼 What You’ll … development Strong skills in Python, with exposure to JavaScript/TypeScript Experience with API design, microservices, and cloud deployments Solid understanding of software engineering best practices A passion for clean, maintainable code and performance Experience working in high-growth, product-driven teams Bonus: Experience in data-heavy environments or SC Clearance 🎁 Package & Perks: £55,000 – £100,000 base 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 ❯

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 ❯

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 ❯

ll play a pivotal role in building and scaling our financial operations platform. This is a hands-on, high-impact position where you will be directly responsible for delivering clean, scalable, and high-performance code. You will work closely with product managers, designers, and other engineers to solve complex problems and create intuitive solutions that help simplify financial workflows … framework (we use React) Experience working with databases (SQL and NoSQL), APIs, and web technologies. Experience with cloud platforms (AWS, GCP, Azure) Solid understanding of software engineering principles, including clean code, testing, and version control (git). Strong problem-solving skills and the ability to break down complex technical issues and deliver simple, effective solutions. A collaborative mindset More ❯

ll play a pivotal role in building and scaling our financial operations platform. This is a hands-on, high-impact position where you will be directly responsible for delivering clean, scalable, and high-performance code. You will work closely with product managers, designers, and other engineers to solve complex problems and create intuitive solutions that help simplify financial workflows … framework (we use React) Experience working with databases (SQL and NoSQL), APIs, and web technologies. Experience with cloud platforms (AWS, GCP, Azure) Solid understanding of software engineering principles, including clean code, testing, and version control (git). Strong problem-solving skills and the ability to break down complex technical issues and deliver simple, effective solutions. A collaborative mindset More ❯

ll play a pivotal role in building and scaling our financial operations platform. This is a hands-on, high-impact position where you will be directly responsible for delivering clean, scalable, and high-performance code. You will work closely with product managers, designers, and other engineers to solve complex problems and create intuitive solutions that help simplify financial workflows … framework (we use React) Experience working with databases (SQL and NoSQL), APIs, and web technologies. Experience with cloud platforms (AWS, GCP, Azure) Solid understanding of software engineering principles, including clean code, testing, and version control (git). Strong problem-solving skills and the ability to break down complex technical issues and deliver simple, effective solutions. A collaborative mindset More ❯

aligned with enterprise IT strategy. Collaborate with business analysts, product owners, and QA teams to gather requirements and deliver robust solutions. Guide and mentor junior developers in best practices, clean code, and modern engineering principles. Conduct code reviews, enforce coding standards, and ensure high software quality. Manage deployment strategies and ensure smooth integration across environments. Troubleshoot and More ❯

aligned with enterprise IT strategy. Collaborate with business analysts, product owners, and QA teams to gather requirements and deliver robust solutions. Guide and mentor junior developers in best practices, clean code, and modern engineering principles. Conduct code reviews, enforce coding standards, and ensure high software quality. Manage deployment strategies and ensure smooth integration across environments. Troubleshoot and More ❯

aligned with enterprise IT strategy. Collaborate with business analysts, product owners, and QA teams to gather requirements and deliver robust solutions. Guide and mentor junior developers in best practices, clean code, and modern engineering principles. Conduct code reviews, enforce coding standards, and ensure high software quality. Manage deployment strategies and ensure smooth integration across environments. Troubleshoot and More ❯

client is a forward-thinking global firm that’s redefining the future of finance through technology. They are looking for a Front-End React Engineer who’s passionate about clean design, performance, and scalability, someone who thrives on combining creativity with technical precision. The Opportunity You’ll join a dynamic development team, responsible for building the tools, platforms, and … become fully cloud-native (AWS), using React for front-end development and Python for backend services. You’ll be working in a culture that values craftsmanship, test-driven development, clean code, and collaboration through pair programming and code reviews. What You’ll Do Build dynamic front-end applications and UI components using React, TypeScript, and modern libraries. … Collaborate with UX and product teams to refine user journeys and ensure intuitive design. Deliver scalable and testable code within a cloud-native architecture. Partner with portfolio managers, researchers, and analysts to translate complex needs into smart technical solutions. 📍London City, hybrid working model with 3 days per week in the office. 💷Highly competitive package + bonus + benefits More ❯

client is a forward-thinking global firm that’s redefining the future of finance through technology. They are looking for a Front-End React Engineer who’s passionate about clean design, performance, and scalability, someone who thrives on combining creativity with technical precision. The Opportunity You’ll join a dynamic development team, responsible for building the tools, platforms, and … become fully cloud-native (AWS), using React for front-end development and Python for backend services. You’ll be working in a culture that values craftsmanship, test-driven development, clean code, and collaboration through pair programming and code reviews. What You’ll Do Build dynamic front-end applications and UI components using React, TypeScript, and modern libraries. … Collaborate with UX and product teams to refine user journeys and ensure intuitive design. Deliver scalable and testable code within a cloud-native architecture. Partner with portfolio managers, researchers, and analysts to translate complex needs into smart technical solutions. 📍London City, hybrid working model with 3 days per week in the office. 💷Highly competitive package + bonus + benefits More ❯

some ML or AI experience Solid SQL skills ( MSSQL, PostgreSQL, MySQL ) Experience with DevOps, CI/CD, Docker, and cloud platforms A proactive, problem-solving mindset and love for clean, maintainable code If youre ready to make an impact, work on cutting-edge projects, and have fun while doing it - we want to hear from you! #Hiring #DotNet More ❯

some ML or AI experience Solid SQL skills ( MSSQL, PostgreSQL, MySQL ) Experience with DevOps, CI/CD, Docker, and cloud platforms A proactive, problem-solving mindset and love for clean, maintainable code If you’re ready to make an impact, work on cutting-edge projects, and have fun while doing it - we want to hear from you! ⚡ #Hiring More ❯

defining technical standards, optimising runtime performance, and mentoring less- experienced engineers in workflow-centric delivery. This is an ideal role for someone who enjoys solving complex process problems through clean code, automation, and modern engineering practices. The role involves visiting client sites; the company will cover travel expenses. Frequency is uncertain but candidates should be comfortable with that … iterate business processes Develop and maintain automated test suites, CI/CD pipelines, and containerised deployments Optimise Camunda engine performance and monitor workflow metrics for production environments Participate in code reviews, peer testing, and technical design discussions Contribute to their internal best-practice frameworks and automation accelerators Essential Eligible (have resided in the UK for the past 5 years … Camunda 8 (Zeebe) clusters and Operate/Tasklist components Familiarity with Camunda connectors, external task workers, and scripting extensions Exposure to cloud platforms (AWS, Azure, GCP) and infrastructure-as-code (Terraform, Helm) Experience integrating process automation with case-management or service-orchestration platforms Understanding of agentic AI capabilities and how they can complement workflow automation Experience mentoring developers or More ❯

defining technical standards, optimising runtime performance, and mentoring less- experienced engineers in workflow-centric delivery. This is an ideal role for someone who enjoys solving complex process problems through clean code, automation, and modern engineering practices. The role involves visiting client sites; the company will cover travel expenses. Frequency is uncertain but candidates should be comfortable with that … iterate business processes Develop and maintain automated test suites, CI/CD pipelines, and containerised deployments Optimise Camunda engine performance and monitor workflow metrics for production environments Participate in code reviews, peer testing, and technical design discussions Contribute to their internal best-practice frameworks and automation accelerators Essential Eligible (have resided in the UK for the past 5 years … Camunda 8 (Zeebe) clusters and Operate/Tasklist components Familiarity with Camunda connectors, external task workers, and scripting extensions Exposure to cloud platforms (AWS, Azure, GCP) and infrastructure-as-code (Terraform, Helm) Experience integrating process automation with case-management or service-orchestration platforms Understanding of agentic AI capabilities and how they can complement workflow automation Experience mentoring developers or More ❯

defining technical standards, optimising runtime performance, and mentoring less- experienced engineers in workflow-centric delivery. This is an ideal role for someone who enjoys solving complex process problems through clean code, automation, and modern engineering practices. The role involves visiting client sites; the company will cover travel expenses. Frequency is uncertain but candidates should be comfortable with that … iterate business processes Develop and maintain automated test suites, CI/CD pipelines, and containerised deployments Optimise Camunda engine performance and monitor workflow metrics for production environments Participate in code reviews, peer testing, and technical design discussions Contribute to their internal best-practice frameworks and automation accelerators Essential Eligible (have resided in the UK for the past 5 years … solutions using Camunda 7 or 8 (BPMN/DMN) Familiarity with Camunda connectors, external task workers, and scripting extensions Exposure to cloud platforms (AWS, Azure, GCP) and infrastructure-as-code (Terraform, Helm) Experience integrating process automation with case-management or service-orchestration platforms Understanding of agentic AI capabilities and how they can complement workflow automation Experience mentoring developers or More ❯

defining technical standards, optimising runtime performance, and mentoring less- experienced engineers in workflow-centric delivery. This is an ideal role for someone who enjoys solving complex process problems through clean code, automation, and modern engineering practices. The role involves visiting client sites; the company will cover travel expenses. Frequency is uncertain but candidates should be comfortable with that … iterate business processes Develop and maintain automated test suites, CI/CD pipelines, and containerised deployments Optimise Camunda engine performance and monitor workflow metrics for production environments Participate in code reviews, peer testing, and technical design discussions Contribute to their internal best-practice frameworks and automation accelerators Essential Eligible (have resided in the UK for the past 5 years … solutions using Camunda 7 or 8 (BPMN/DMN) Familiarity with Camunda connectors, external task workers, and scripting extensions Exposure to cloud platforms (AWS, Azure, GCP) and infrastructure-as-code (Terraform, Helm) Experience integrating process automation with case-management or service-orchestration platforms Understanding of agentic AI capabilities and how they can complement workflow automation Experience mentoring developers or More ❯

implement RESTful APIs and microservices architecture using Swagger and Postman Handle distributed task processing with Celery Apply TDD principles using PyTest for automated testing Use Terraform for Infrastructure as Code and Docker for containerisation Contribute to solution design and participate in architectural decision-making Ensure systems are scalable, maintainable, and high-performing Coach and support junior engineers; assist with … Experienced with SQL and NoSQL databases including PostgreSQL, CosmosDB, and Redis. Testing & TDD: Familiar with Test-Driven Development and automated testing using PyTest. IaC & Containers: Exposure to Infrastructure as Code (Terraform) and containerisation (Docker). Core Competencies Problem Solving: Strong analytical skills for tackling complex technical challenges. Code Quality: Committed to writing clean, performant code and … participating in code reviews. Mentorship: Actively shares knowledge and promotes technical excellence within the team. Collaboration: Works effectively with cross-functional teams to ensure project success. Innovation: Identifies opportunities for process and technology improvements. Ownership: Takes full responsibility for task delivery and technical decisions. More ❯