151 to 175 of 401 Permanent Clean Code Jobs

SENIOR SOFTWARE ENGINEER - PYTHON, AWS & REACT

Hiring Organisation
BRT Consulting LTD
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £95,000 per annum
with Product to translate complex business requirements into robust technical solutions. Leverage AI engineering tools, coding assistants and automated workflows to improve productivity and code quality. Contribute to AWS cloud infrastructure, monitoring and operational excellence using services including CloudWatch. Write clean, maintainable, well-tested code and contribute …/CD best practices. Participate in architecture discussions and influence technical decisions. Mentor and support junior engineers through code reviews, knowledge sharing and technical guidance. What We're Looking For You'll have strong commercial experience developing cloud-native SaaS applications and enjoy working in a collaborative, fast-paced ...

Senior AI Software Engineer

Hiring Organisation
Hackajob Ltd
Location
Knutsford, Cheshire, North West, United Kingdom
Employment Type
Permanent
Engineering colleagues to build scalable, secure, and production-ready AI systems and applications. You will have strong knowledge of Generative AI, AI-assisted code generation, automated testing, code review acceleration, agentic workflows, and development process optimisation. This role involves providing technical leadership, engineering expertise, and tooling oversight across … software delivery lifecycle, helping teams apply AI responsibly to modernise platforms, improve code quality, streamline delivery, and enhance developer experience across cloud platforms and technology products. To be successful as a Senior AI Software Engineer, you should possess: Programming and Software Engineering skills - Develop, integrate, and maintain AI-enabled ...

Senior AI Software Engineer

Hiring Organisation
Jobleads-UK
Location
Knutsford, England, United Kingdom
customers and colleagues. Accountabilities Development and delivery of high-quality software solutions by using industry aligned programming languages, frameworks, and tools. Ensuring that code is scalable, maintainable, and optimized for performance. Cross-functional collaboration with product managers, designers, and other engineers to define software requirements, devise solution strategies … ensure seamless integration and alignment with business objectives. Collaboration with peers, participate in code reviews, and promote a culture of code quality and knowledge sharing. Stay informed of industry technology trends and innovations and actively contribute to the organization’s technology communities to foster a culture of technical ...

Staff Software Engineer (Full Stack: TypeScript, React, Node.js)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
better, measured by what the team ships rather than what you ship alone (we do not hire lone wolves). You will run code reviews, give and take direct feedback without ego, and keep our applications tested, secure and maintainable. We already run AI inside live workflows and have … their merits Deep Node.js ecosystem knowledge (node, npm, yarn), including bundling and dependency management (Bun a plus) Proficient with AI tooling, including shipping code via CLI or editor-based LLM agents and using MCP servers Solid grasp of the React paradigm (one-way data binding, declarative programming, rules ...

Senior AI Engineer

Hiring Organisation
Hackajob Ltd
Location
Belfast, County Antrim, Northern Ireland, United Kingdom
Employment Type
Permanent
Salary
£90,000
technical growth of the team. Essential Experience: Solid experience in software development, with proficiency in languages such as Python, Java, or C++, writing clean, efficient, and maintainable code for production grade AI solutions. Hands-on experience deploying AI/ML models to production environments, with a good understanding ...

Senior AI Engineer - Workday Products

Hiring Organisation
Jobleads-UK
Location
Derry/Londonderry, Northern Ireland, United Kingdom
tags where applicable in this refined version.) Solid experience in software development, with proficiency in languages such as Python, Java, or C++, writing clean, efficient, and maintainable code for production-grade AI solutions. Hands-on experience deploying AI/ML models to production environments, with a good understanding ...

Senior Kotlin Engineer (XP, GCP) – Investment Banking – London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
test‐driven development, and continuous refactoring. Engineers are expected to contribute across development, integration, and production support, collaborating closely to maintain high standards of code quality, system reliability, and performance. Responsibilities Engineers in this role: Work primarily in mobs, sharing ownership of design and code Build, test … driven architectures Deep familiarity with XP practices, including mob programming as a primary way of working, test‐driven development (TDD), and continuous refactoring and clean code principles Cloud experience with GCP, including GKE and/or Cloud Run, Cloud SQL and Memory store, Artifact Registry and Cloud Logging ...

(AI) Solutions Architect

Hiring Organisation
Jobleads-UK
Location
Crawley, England, United Kingdom
Enterprise Architecture principles. Drive delivery by designing and building agentic solutions, spanning from piloting to full implementation. Define Engineering Excellence: Establish strict coding standards, code review processes, testing frameworks, and evaluation metrics for generative AI applications. Support and strictly enforce the standards set by the Head of Engineering … Delivery Grow the team: Act as a technical mentor to a team of intermediate and junior AI Engineers, fostering a culture of continuous learning, clean code, and agility. Pragmatic Delivery: Collaborate with the AI Product Owner and Business Analysts to translate abstract business use cases into structured, achievable ...

Senior Data Engineer

Hiring Organisation
Ikhoi Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £94,000 per annum
processes, and build streaming data pipelines using a modern cloud stack ( Snowflake , AWS , Python , SQL ). If you’re passionate about modern data architecture, clean code, and removing operational friction, this is your opportunity to make a massive, measurable impact. What You’ll Be Doing: Architect & Build: Design ...

Senior Research Engineer, ML Systems

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
mathematics or physics is strongly preferred. The best research engineers bring quantitative intuition to system design decisions. You have strong software engineering practices: clean code, good testing habits, focus on performance, and an instinct for building systems that other people can actually use. In a small team everyone ...

Technical Lead - Kubernetes

Hiring Organisation
Jobleads-UK
Location
United Kingdom
most importantly empower developers to deliver at lightning speed. Qualifications Scale Experts: You have battle tested experience scaling Kubernetes and a deep love for clean Infrastructure as Code. Technical Mentors: You enjoy the Lead aspect of a role, pairing with engineers, conducting high level reviews, and fostering a culture ...

Senior Data Scientist, Analytics

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
models at production scale (e.g., text classification, semantic similarity, quality scoring). You have advanced proficiency in SQL and Python, with ability to write clean, production-quality code. You have experience working with large‐scale, unstructured text data and LLMs — including prompt design, evaluation (e.g., golden sets ...

Staff SW Engineer

Hiring Organisation
Visa
Location
London, England, United Kingdom
well as mentoring more junior members of the team \n \n You'll get: \n \n Clear ownership of your domain \n A clean modern codebase \n An independent path to production \n Strong platform and product support \n The ability to make real changes with real business value. … Kubernetes,ElasticSearch, log management systems, and Datadog APM, to name but a few \n API specifications, conforming to the OpenAPI (Swagger) standard, provide a clean boundary both externally between our customers and our product, and internally between our microservices \n SQL, and large SQL databases, provide the persistence layer ...

Senior Software Engineer

Hiring Organisation
Daniel James Resourcing Ltd
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
applications into microservice-based architectures. Contribute to technical design sessions and architectural decisions. Champion engineering best practices including automated testing, CI/CD and code quality. Work closely with Product, QA and Engineering teams to deliver high-quality software. Support production systems and drive continuous platform improvements. Leverage … scalable REST APIs. Strong understanding of software engineering best practices. Experience with CI/CD pipelines. Knowledge of Docker and containerised applications. Passion for clean, maintainable code. Desirable Terraform or Infrastructure as Code. Event-driven or distributed systems. React or modern JavaScript frameworks. Microservices architecture. BDD/TDD. Observability ...

Software Engineer (Mid-Level) - Full Stack

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
leveraging AI-assisted development tools such as Copilot, Cursor, or Claude, and you'll be expected to actively use these tools to improve productivity, code quality, and learning. Skills & Experience We're looking for someone with solid commercial experience in software engineering and a track record of contributing … experience in Python and a modern JavaScript framework such as React. You will be comfortable working with RESTful APIs, understanding application architecture, and writing clean, maintainable, and testable code. Experience working within cloud environments such as Azure, AWS, or GCP is highly desirable, along with some exposure ...

Senior Lead Software Engineer - React Native

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
focusing on the entire SDLC lifecycle stages. Job responsibilities: Collaborate with cross-functional teams to define, design, and ship new features. Create and maintain clean, efficient, and reusable codebase. Conduct thorough testing to ensure robustness and reliability of applications. Troubleshoot and debug issues, ensuring smooth application functionality. Communicate effectively … with stakeholders to gather requirements and provide progress updates. Mentor junior developers, providing guidance on best practices and code reviews. Stay updated with the latest industry trends and best practices in mobile development. Drive continuous improvement initiatives to enhance development processes and workflows. Required qualifications, capabilities and skills Proficiency ...

Lead AI Engineer

Hiring Organisation
Hackajob Ltd
Location
Belfast, County Antrim, Northern Ireland, United Kingdom
Employment Type
Permanent
Salary
£90,000
driven features. Essential Experience: Extensive experience in software development, with proficiency in languages such as Python, Java, or C++. Emphasis on writing clean, efficient, and maintainable code for production-grade AI solutions. Proven experience in deploying AI/ML models to production environments, ensuring scalability, reliability, and performance. ...

Lead Data Scientist - Workday Products

Hiring Organisation
Jobleads-UK
Location
United Kingdom
applying advanced statistical techniques, machine learning, and AI principles to solve complex business problems. Strong programming skills in Python, with an emphasis on writing clean, efficient, and maintainable code to enable scalable and production-grade AI/ML solutions. Extensive experience with machine learning frameworks (e.g., Scikit-learn ...

Lead Data Scientist - Workday Products

Hiring Organisation
Hackajob Ltd
Location
Belfast, County Antrim, Northern Ireland, United Kingdom
Employment Type
Permanent
applying advanced statistical techniques, machine learning, and AI principles to solve complex business problems. Strong programming skills in Python, with an emphasis on writing clean, efficient, and maintainable code to enable scalable and production-grade AI/ML solutions. Extensive experience with machine learning frameworks (e.g., Scikit-learn ...

Java Sr Lead Software Engineer - OMS, Equities

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
troubleshooting with ability to think beyond routine or conventional approaches to build solutions or break down technical problems Creates secure and high-quality production code and maintains algorithms that run synchronously with appropriate systems Develop and maintain high-quality user interfaces for web applications using JavaScript and modern JavaScript … frameworks, with a preference for React/Angular. Write clean, maintainable, and efficient code while adhering to best practices and coding standards. Conduct code reviews and provide mentorship to junior developers to foster a culture of continuous improvement. Stay up-to-date with the latest industry trends ...

Senior Java Software Engineer (Pricing API) – 5 days – London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
days per week – Start: Now What You'll Be Doing Design and build scalable backend systems using Java and the JVM ecosystem Develop clean, maintainable code from product requirements using modern engineering principles Apply TDD/BDD practices and modern engineering principles Build and maintain cloud‐native infrastructure ...

Senior Software Engineer (Full Stack)

Hiring Organisation
Talent Locker
Location
Warminster, Wiltshire, South West, United Kingdom
Employment Type
Permanent
Salary
£90,000
someone who: Enjoys working through ambiguity and solving complex problems Communicates confidently with both technical and business stakeholders Takes pride in writing clean, maintainable code Cares about user experience as much as technical quality Supports and mentors other engineers Security Requirements Due to the nature of the work ...

Senior Java Developer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Oracle to ensure reliable and efficient data operations. Manage service deployment on Kubernetes, with integrations into AWS, GCP, or Azure. Monitoring & Debugging. Write clean, maintainable code with strong unit and integration test coverage. Conduct peer reviews. Produce clear documentation for APIs, architecture, and deployment processes. Qualifications & Skills 5+ ...

Advanced Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
edge rendering systems in Unity related to environments, characters as well as lighting and the post-processing stack. Develop and optimize shaders and rendering code in Unity for multiple platforms. Profile and optimize rendering performance and memory usage across target platforms. Build and maintain tools to improve artist workflows. … Experience with analysis tools like Unity’s Profile Analyzer and Memory Profiler as well as RenderDoc, PIX, or NSight. Strong software engineering skills, including clean code architecture and performance-focused development. Experience with asset pipelines, understanding how assets move from DCC tools to Unity. Demonstrated ability to drive ...

Cloud Security Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 make to Starling. People with a broad ability to apply themselves to a multitude of problems and challenges … software engineering who want to apply those talents to security. This is a hands-on role for a builder who excels at writing clean, scalable code to automate away manual gates. You will work across AWS and GCP, developing the internal tools, guardrails, and services that empower ...