Contract Clean Code Jobs in England

16 of 16 Contract Clean Code Jobs in England

AI Software Developer Python, JavaScript, ML

London, South East, England, United Kingdom
Salt Search
will focus on the development and delivery of Gen AI driven software solutions, working within a dynamic team to enhance our digital products. You will be responsible for writing clean, efficient, and maintainable code, primarily in Python and JavaScript, while contributing to the successful deployment of Gen AI technologies that directly impact the company's customer experience (CX … their scalability, security, observability and performance. This role is hands-on, with a primary focus on coding, testing, and deploying AI solutions in a fast-paced, agile environment. Responsibilities: Code Development and Testing Write, test, and maintain clean, efficient code in Python and JavaScript. Develop and implement Gen AI powered experiences or services in alignment with business … and product requirements. Participate in code reviews to ensure high-quality and consistent coding standards. AI Feature Integration Work closely with cross-functional teams to integrate AI models into digital products, ensuring seamless user experiences. Collaborate with AI specialists to test and deploy models, ensuring they meet performance, security and scalability requirements Continuous Learning and Improvement Stay up to More ❯
Employment Type: Contractor
Rate: £500 - £800 per day
Posted:

Senior MuleSoft Developer

London, United Kingdom
Hybrid / WFH Options
ARM
contract - Inside IR35 - up to £585 per day London based - hybrid working - 3 days office based Current NPPV3 clearance is highly desirable Your main responsibility will be to deliver clean, maintainable, and well-tested code that adheres to SOLID principles. You will work collaboratively across Quality Assurance, DevOps, and other development teams, sharing knowledge, supporting onboarding, and contributing … to code reviews. Key Responsibilities Deliver high-quality, maintainable code and development outcomes. Manage data exchange between backend services, front-end applications, and third-party APIs. Develop server-side logic in collaboration with Business Analysts and QA, ensuring requirements are met and code is testable. Lead and contribute to technical user stories, focusing on integration and service … optimisation. Document solutions using diagrams, flowcharts, and clear code comments. Ensure compliance with quality standards, including automated testing and code reviews. Address non-functional requirements such as performance, monitoring, and operational support. Support releases through all development environments, maintaining quality and reliability. Contribute to skill development and technology adoption within the team. Present technical concepts in demos and More ❯
Employment Type: Contract
Rate: £550 - £580/day
Posted:

Platform Data Engineer

London, South East, England, United Kingdom
Harnham - Data & Analytics Recruitment
and strengthen platform resilience. What You'll Bring Strong proficiency in Python (or a similar high-level language) with a deep understanding of software engineering best practices - testing, automation, clean code, and CI/CD. Proven track record building and maintaining scalable data platforms in production, enabling advanced users such as ML and analytics engineers. Hands-on experience …/observability solutions like Monte Carlo, Atlan, or DataHub. Solid understanding of cloud environments (AWS or GCP), including IAM, S3, ECS, RDS, or equivalent services. Experience implementing Infrastructure as Code (Terraform) and CI/CD pipelines (e.g., Jenkins, GitHub Actions). A mindset focused on continuous improvement, learning, and staying at the forefront of emerging technologies. Nice to Have More ❯
Employment Type: Contractor
Rate: £500 - £600 per day
Posted:

Contract Software Engineer / Lead Developer - Expert

Yorkshire, United Kingdom
Hybrid / WFH Options
itecopeople
production-ready solutions. Employ Test-Driven Development (TDD) and SOLID principles. Build robust, scalable algorithms and efficient data structures. Collaborate with other engineers, mentoring and sharing knowledge. Produce maintainable, clean code based on the "less is more" principle. Essential Skills & Experience Expert in TypeScript or a similar software development language , with strong back-end development experience. Extensive experience … of TDD and SOLID principles. Minimum 5 years' experience in software development/software engineering Excellent technical communication skills. Able to take a concept from discussion to high-quality code delivery. Desirable Degree in Computer Science, Software Engineering, or related discipline highly desirable Experience in high-performance or complex systems. Familiarity with algorithmic analysis and performance optimisation. Work Arrangements More ❯
Employment Type: Contract
Rate: GBP 680 - 710 Daily
Posted:

Contract Software Engineer / Lead Developer - Expert

South Yorkshire, United Kingdom
Hybrid / WFH Options
itecopeople
production-ready solutions. Employ Test-Driven Development (TDD) and SOLID principles. Build robust, scalable algorithms and efficient data structures. Collaborate with other engineers, mentoring and sharing knowledge. Produce maintainable, clean code based on the "less is more" principle. Essential Skills & Experience Expert in TypeScript or a similar software development language , with strong back-end development experience. Extensive experience … of TDD and SOLID principles. Minimum 5 years' experience in software development/software engineering Excellent technical communication skills. Able to take a concept from discussion to high-quality code delivery. Desirable Degree in Computer Science, Software Engineering, or related discipline highly desirable Experience in high-performance or complex systems. Familiarity with algorithmic analysis and performance optimisation. Work Arrangements More ❯
Employment Type: Contract
Rate: £680 - £710/day IN SCOPE OF IR35
Posted:

Automation Test Engineer £350pd Inside IR35

London, South East, England, United Kingdom
interAct Consulting Limited
Day Rate: Up to £350 (Inside IR35) Location: London W12 (Wednesdays onsite) Contract: ASAP Start - 31 July 2026 Are you a hands-on Senior Tester with a passion for clean code, modern tooling, and problem-solving in AWS environments? We're after a sharp, inquisitive contractor who thrives on mixing manual and automated testing — and isn't afraid More ❯
Employment Type: Contractor
Rate: £300 - £350 per day
Posted:

Senior iOS Software Engineer Inside IR35 £375pd

Manchester, Lancashire, England, United Kingdom
interAct Consulting Limited
architecture using Swift Package Manager. What You'll Do: Lead the migration from CocoaPods to Swift Package ManagerDesign, build, and maintain internal Swift libraries for shared use across teamsChampion clean code and reliability through Test Driven Development and pair programmingCoach and mentor other engineers on modern iOS practices and tooling What You'll Bring: Advanced iOS development experience More ❯
Employment Type: Contractor
Rate: £350 - £375 per day
Posted:

Databricks Data Engineer

London, South East, England, United Kingdom
Harnham - Data & Analytics Recruitment
data architecture expertise. Key responsibilities: Design and implement high-throughput data streaming solutions using Kafka, Flink, or Confluent. Build and maintain scalable backend systems in Python or Scala, following clean code and testing principles. Develop tools and frameworks for data governance, privacy, and quality monitoring, ensuring full compliance with data protection standards. Create resilient data workflows and automation More ❯
Employment Type: Contractor
Rate: £500 - £600 per day
Posted:

Full Stack Developer

West Midlands, United Kingdom
Rullion Ltd
store and retrieve data efficiently. Implement event-driven architectures using messaging systems like RabbitMQ and AWS Kinesis/SQS. Develop modern web interfaces using TypeScript and Angular. Contribute to code reviews and ensure adherence to coding standards and best practices. Collaborate with cross-functional teams to deliver high-quality software solutions. Core Skills Strong C# Skills: Demonstrated proficiency in … for building modern, responsive web interfaces. Messaging Systems: Experience working with message queues and streams, such as RabbitMQ and AWS Kinesis/SQS, to handle asynchronous communication. Desirable Skills Code Quality and Testing: A commitment to writing clean, maintainable code and a strong understanding of testing methodologies (unit, integration, end-to-end). Big Data: Familiarity with More ❯
Employment Type: Contract
Posted:

Software Engineer - Python Contract

London, South East, England, United Kingdom
Harnham - Data & Analytics Recruitment
developers to deliver robust, production-quality software. Key Responsibilities: Build and maintain Python web applications (FastAPI preferred) Integrate AI/ML components with backend, data, and compute infrastructure Deliver clean, well-documented code following best practices Implement automated testing frameworks and CI/CD workflows Monitor and improve performance metrics across deployed tools Collaborate with technical teams to More ❯
Employment Type: Contractor
Rate: £700 - £800 per day
Posted:

Senior Ruby Developer SC Clearance preferred

London, South East, England, United Kingdom
Hybrid / WFH Options
Adecco
Design, build, and maintain scalable open data services and APIs Lead technical decisions and contribute to architectural direction Collaborate with user-centred design (UCD) teams and technical experts Ensure code quality, documentation, and maintainability Align delivery with recognised standards including the Technology Code of Practice and Service Standard Essential Skills & Experience 4+ years of experience in software development … Strong proficiency in Ruby (Python is a bonus) Experience with microservices or service-oriented architecture Skilled in writing clean, well-documented code and taking ownership of the development process Comfortable working in agile , cross-functional teams Familiarity with: Docker & Kubernetes Git & version control API development (REST, GraphQL) Cloud deployment Open data platforms or search technologies Desirable Experience working More ❯
Employment Type: Contractor
Rate: £550 - £650 per day
Posted:

Microsoft Teams Developer

London, South East, England, United Kingdom
Jonothan Bosworth
. Creating a developer-friendly API portal , complete with onboarding, documentation, and usage examples. Working closely with internal teams to deliver a scalable, compliant, and well-documented solution. Writing clean, well-structured code using C#/.NET Core (with possible TypeScript/JavaScript extensions). What We’re Looking For: Strong background in Microsoft Azure , including API Management … and App Services . Experience with Microsoft Teams app development or Microsoft 365 integrations . Familiarity with OpenAPI/Swagger , Postman , and developer documentation . Exposure to Infrastructure as Code (Bicep, Terraform, ARM) . Version control and CI/CD using Azure DevOps or GitHub . Bonus: Knowledge of biometric or identity-based solutions . Contract Details: Start: Immediate More ❯
Employment Type: Contractor
Rate: £200 - £500 per day
Posted:

Senior Platform Engineer

London, United Kingdom
Hybrid / WFH Options
Fruition Group
genuine engineering challenges. You'll collaborate closely with product and engineering teams across the stack to improve developer experience, strengthen observability, and troubleshoot complex distributed systems. A focus on clean, maintainable code, cloud infrastructure, and strong security practices is essential. Senior Platform Engineer - Key Skills & Experience: Solid background in software engineering, with significant platform or backend experience Proficiency … and services Strong expertise in AWS, including CloudFront and related web application services Hands-on experience with CI/CD pipelines and modern deployment practices Familiarity with infrastructure-as-code tools such as Terraform Strong understanding of security best practices in application and infrastructure design Exposure to observability tools (e.g. Prometheus, Grafana, structured logging) Confident debugging and resolving issues More ❯
Employment Type: Contract, Work From Home
Posted:

Outside IR35 Full Stack Developer

Manchester, United Kingdom
Hybrid / WFH Options
Michael Page
maintain scalable web applications using modern frameworks and technologies. Collaborate with cross-functional teams to design and implement technical solutions. Ensure the performance, quality, and responsiveness of applications. Write clean, efficient, and reusable code adhering to industry standards. Perform debugging, troubleshooting, and optimisation tasks as required. Integrate front-end and back-end components to create seamless user experiences. … Participate in code reviews and provide constructive feedback to peers. Stay updated with emerging trends and technologies in full-stack development. Profile Must haves: Node React TypeScript Python Nice to haves: AWS MongoDB Redis Cassandra Docker PostgreSQL Job Offer Outside IR35 Contract More ❯
Employment Type: Contract
Rate: £300 - £400/hour
Posted:

Senior Frontend Developer

London, South East, England, United Kingdom
Oscar Technology
platform. You'll play a key role in building performant, modern web applications that visualise complex data and integrate seamlessly with a Python/FastAPI backend. The team values clean, reliable, and maintainable code - so this is a great opportunity to make an impact in both product and technical decision Location: Remote (UK) Contract: 6 Months (likely extension … applications using React and TypeScript . Collaborate with backend engineers to integrate APIs (FastAPI, SQLModel, PostgreSQL). Optimise performance and scalability of frontend components for complex data workloads. Implement clean, reusable UI components and modern design patterns. Work closely with product and data teams to deliver user-friendly data visualisations. If you're interested, apply now for immediate consideration. More ❯
Employment Type: Contractor
Rate: £350 - £450 per day
Posted:

Outside IR35 React Developer

Manchester, United Kingdom
Hybrid / WFH Options
Michael Page
and maintain user-facing features using React.js. Collaborate with cross-functional teams to design and implement scalable applications. Optimise components for maximum performance across various devices and browsers. Write clean, maintainable, and efficient code in alignment with project requirements. Identify and address technical issues and bugs effectively. Ensure the technical feasibility of UI/UX designs. Stay updated … with the latest advancements in React and related technologies. Contribute to code reviews and team discussions to maintain high development standards. Profile Must haves: React TypeScript Nice to haves: Next.js Redux AWS Node/Python Job Offer Fully remote Outside IR35 Contract More ❯
Employment Type: Contract
Rate: £250 - £300/day
Posted:
Clean Code
England
10th Percentile
£321
25th Percentile
£413
Median
£525
75th Percentile
£632
90th Percentile
£734