12 of 12 Contract Clean Code Jobs in London

complex SAS environments into scalable, AWS-native PySpark pipelines for a major financial services project. What You'll Do Modernize: Convert legacy SAS code into production-ready PySpark using automated tools and manual refactoring. Build: Design and fix high-performance ETL/ELT pipelines and data marts on AWS. … Working Knowledge): Ability to read and debug Base SAS/Macros to translate logic into Python. Engineering: Strong Python skills with a focus on clean code, modular design, and exception handling. Preferred Experience Background in Banking or Financial Services . How to Apply: If you are ready ...

Oversee testing activities for major project streams, ensuring high standards are met. Embed Quality: Collaborate with Architects and Devs to bake quality into the code-not just test it later. Drive Improvement: Identify gaps in our automation coverage and toolset, then fix them. Mentor: Guide junior engineers in best … practices, from clean code in scripts to effective manual exploratory testing. What You Bring Essential: Significant experience in software testing within structured development environments. Expertise in both manual and automated testing techniques. Strong knowledge of test automation frameworks and scripting. Proven experience leading testing activities on complex projects. ...

client is seeking an Automation Tester to play a pivotal role in driving real change in their processes to ensure they can release reliable code on a regular basis. There will be a core focus on reducing bugs post-release, rapidly increasing % test coverage and reducing the time … automated frameworks within the team to improve the speed and quality of software development by checking for scalability, reliability, consistency, and performance. Championing clean code and practices that make change easy, including peer reviewing your colleague’s code. Extending automation to include service provisioning, test data management, dashboarding ...

Oversee testing activities for major project streams, ensuring high standards are met. Embed Quality: Collaborate with Architects and Devs to bake quality into the code-not just test it later. Drive Improvement: Identify gaps in our automation coverage and toolset, then fix them. Mentor: Guide junior engineers in best … practices, from clean code in scripts to effective manual exploratory testing. What You Bring Essential: Significant experience in software testing within structured development environments. Expertise in both manual and automated testing techniques. Strong knowledge of test automation frameworks and scripting. Proven experience leading testing activities on complex projects. ...

Responsibilities Analyse business processes, gather requirements, and document technical solutions. Design, develop, and deliver data and software solutions aligned to business goals. Produce clean, modular, testable code and support peer code reviews. Own the delivery lifecycle, remove technical blockers, and lead third-party developers when required. Contribute ...

craftsmanship with data architecture expertise. Key responsibilities: Model complex data sets using DBT 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 ...

.NET frameworks. Collaborate with cross-functional teams to define, design, and ship new features. Troubleshoot, debug, and optimize existing applications to enhance performance. Write clean, maintainable code and contribute to code reviews. Stay updated with the latest industry trends and best practices in software development. ...

experiences within a healthcare setting. Proven healthcare sector experience is essential. Main Duties • Design, build and maintain full stack features end to end • Develop clean, reusable and maintainable code across frontend and backend • Contribute to architecture and technical design decisions • Build and consume REST APIs • Develop and optimise … Work with large healthcare datasets, ensuring performance and reliability • Deploy and maintain services within Microsoft Azure • Improve application performance, scalability and security • Participate in code reviews and agile ceremonies • Collaborate with product, UX and wider stakeholders to shape new features Skills and Experience Required • Minimum 5 years commercial software ...

Engineer to join a distributed engineering team working on enterprise-scale, cloud-native applications . This role is ideal for developers who enjoy writing clean, scalable code , solving complex technical problems, and working closely with modern Azure-based architectures . You will be involved across the full software … skills for working in a globally distributed team High ownership mindset with strong attention to detail Ability to manage multiple priorities and deliver quality code consistently Why Join Us? Work on modern .NET 8 and Azure cloud projects Exposure to distributed systems and microservices architecture Collaborative, engineering-driven culture ...

background in software engineering, platform, or infrastructure roles Experience working with cloud platforms and modern DevOps practices Solid programming skills with a focus on clean, scalable code Hands-on experience with databases in production environments Exposure to MLOps, ML platforms, or AI-powered systems (not necessarily research-heavy ...

project, transitioning legacy data workflows into a high-performance AWS cloud environment. This is a hands-on technical role focused on converting legacy SAS code into production-ready PySpark pipelines within a complex financial services landscape. Key Responsibilities Code Conversion: Lead the end-to-end migration … code (Base SAS, Macros, DI Studio) to PySpark using automated tools (SAS2PY) and manual refactoring. Pipeline Engineering: Design, build, and troubleshoot complex ETL/ELT workflows and data marts on AWS. Performance Tuning: Optimise Spark workloads for execution efficiency, partitioning, and cost-effectiveness. Quality Assurance: Implement clean coding ...

develop new features in a live Flutter application (iOS, Android, Web) Contribute to architectural decisions within a modular Flutter codebase (Bloc/Cubits) Implement clean, scalable Dart code aligned with best practices Integrate backend services via REST (previous gRPC exposure beneficial) Implement and enhance mapping functionality (Mapbox mobile ...