26 to 50 of 54 Refactoring Jobs in England

sector. Active SC Clearance. Experience maintaining and troubleshooting legacy applications/infrastructure, including Oracle, WebLogic, and Elasticsearch. Building and supporting CI/CD pipelines, refactoring code, and developing automated tests. Strong knowledge of Nginx, Apache Tomcat/HTTP, and ETL processes. Installing and supporting Oracle 11, including Partitioning, RAC, RMAN ...

Responsibilities: Architect and implement highly available, multi-region infrastructure services Define resilience patterns across services (failover, circuit breaking, back-pressure, etc.) Lead large-scale refactoring or reliability improvement initiatives Establish best practices in incident response, observability, and SLO management Drive adoption of modern cloud-native and GitOps practices Mentor senior ...

Responsibilities: Architect and implement highly available, multi-region infrastructure services Define resilience patterns across services (failover, circuit breaking, back-pressure, etc.) Lead large-scale refactoring or reliability improvement initiatives Establish best practices in incident response, observability, and SLO management Drive adoption of modern cloud-native and GitOps practices Mentor senior ...

while driving improvements in database performance and scalability. Key Responsibilities SQL Server administration across production and non-production environments Performance tuning, optimisation, and query refactoring Writing efficient T-SQL and analysing execution plans Supporting and collaborating with developers to improve database performance Contributing to Azure migration and cloud optimisation initiatives ...

Proven experience working on live production systems ✔️ Full-stack JavaScript/TypeScript (Next.js, Node, APIs, databases) ✔️ Python experience (scripting, services, tooling, data processing) ✔️ Strong refactoring and system-improvement skills ✔️ Comfortable in fast-moving, imperfect environments ✔️ Able to work autonomously with strong judgement on priorities & risk Highly Desirable ⭐ C#/.NET ...

data rich environments and have previous experience within Fintech, Payments, eCommerce or similar with high throughput systems You're happy to do some brownfield, refactoring and maintenance work alongside new projects You're collaborative with great communication skills What's in it for you: Salary to £90k Remote working Impactful ...

leading role in that journey. This isnt a role where you inherit a polished environment. Its an opportunity to shape, modernise, and influence from refactoring legacy pipelines to building best-in-class data products using tools like Databricks, Azure, and GCP. Youll operate as the technical authority within the data ...

tooling across a huge GCP estate. What You’ll Be Doing: Engineering GCP infrastructure products using Terraform & Terraform Cloud. Designing reusable IaC modules, refactoring legacy configs, improving state management. Building automation, tooling and workflows in Python. Developing secure, scalable GCP landing zones with org policies, policy-as-code (OPA/ ...

tooling across a huge GCP estate. What You’ll Be Doing: Engineering GCP infrastructure products using Terraform & Terraform Cloud. Designing reusable IaC modules, refactoring legacy configs, improving state management. Building automation, tooling and workflows in Python. Developing secure, scalable GCP landing zones with org policies, policy-as-code (OPA/ ...

Have Experience working in regulated environments (financial services or government). Additional Salesforce certifications beyond core requirements. Experience supporting data model remediation or complex refactoring initiatives. 5. Qualifications Salesforce Certifications (Essential): Salesforce Administrator Platform App Builder Platform Developer I Platform Developer II Trailhead (to be maintained during assignment): Advanced Apex ...

business operations. Key Responsibilities Support the migration and upgrade of the existing ERP system using LANSA technologies Analyse existing applications and assist with refactoring or redeveloping components where required Develop, test, and implement enhancements within the ERP environment Work with technical teams to troubleshoot issues during the migration process Ensure ...

Future of HR Tech 🚀 What You'll Do: Design and develop high-performance, scalable PHP applications Modernize and maintain legacy PHP codebases with continuous refactoring approaches Deploy production code with confidence using terraform and GitHub actions Collaborate cross-functionally with engineers, UX designers, and our product team Contribute to architectural ...

Negotiables: Strong software engineering experience (C# preferred but Java, or C++ considered) Strong SQL/relational database experience Careful approach to testing and safe refactoring Clear, concise technical and verbal communication Have previously worked for a Financial Service organisation or for a software vendor that’s utilised within the Financial … senior leadership for every change Nice to Haves Exposure to futures, options, or crypto markets Experience improving legacy or difficult-to-test systems Experience refactoring large codebases Exposure to Python or DevOps tooling Experience in smaller, high-ownership engineering teams Why Join You will join a small, engineering-led systematic ...

elegant data solutions. Focus on usability, documentation, and data clarity. Comfortable working independently in a dynamic, fast-changing environment. DESIRABLE SKILLS Experience rebuilding or refactoring a Looker instance from scratch. Familiarity with BigQuery performance tuning and cost optimization. Experience scaling analytics across a cross-functional organisation HOW TO APPLY Please ...

elegant data solutions. Focus on usability, documentation, and data clarity. Comfortable working independently in a dynamic, fast-changing environment. DESIRABLE SKILLS Experience rebuilding or refactoring a Looker instance from scratch. Familiarity with Snowflake performance tuning and cost optimization. Experience scaling analytics across a cross-functional organisation HOW TO APPLY Please ...

Responsibilities: Develop and maintain backend services using Java, Spring Boot, AWS Build and optimize REST and GraphQL APIs Ensure code quality through testing, refactoring, and best practices Own services end-to-end, including deployment, monitoring, and production support Handle production incidents, perform root cause analysis, and improve system reliability Contribute ...

data model design Strong architectural knowledge of: Salesforce platform architecture Service Cloud and Experience Cloud Security, identity, and access controls Data model remediation and refactoring Proven ability to produce clear, governance‐ready architecture documentation. Strong communication skills, able to explain complex technical concepts to senior and non‐technical stakeholders. Experience ...

practices, including XP, TDD, CI/CD, trunk-based development, and Infrastructure as Code. Lead by example in engineering excellence through pairing, code reviews, refactoring, and continuous improvement of code quality and system design. Contribute to architectural decision-making, balancing scalability, performance, security, and maintainability against business priorities. Foster strong … Code (e.g., Terraform, CloudFormation) and automated CI/CD pipelines. Strong grounding in engineering disciplines, including Test-Driven Development (TDD), automated testing strategies, refactoring, and continuous delivery. Experience designing APIs and event-driven systems, with an understanding of scalability, resilience, observability, and security considerations. Solid understanding of data modelling ...

from requirements and architecture through to implementation, testing, and support. Key responsibilities include: Designing and developing new features in a C# desktop application Maintaining, refactoring, and improving an existing codebase Working with data visualisation, analysis, and user-facing functionality Supporting customers and troubleshooting software issues Producing clear technical documentation About ...

Job Description We are recruiting a Backend Engineer within our Enterprise Architecture team to help us build event-driven solutions and democratise data access across our technology teams. Your first task will be to become ...

C# MVC .NET framework SOLID Principles A desire to work in a Pair Programming/Mob Programming environment. TSQL/SQL Test Automation TDD Refactoring Unit Testing/Mocking JavaScript frameworks such as React (or similar) Experience with using ORM (e.g. Entity Framework) Agile & Scrum development methodologies Able to present … business and much more! KEYWORDS Analysis and Design, C#, MVC, .NET framework, SOLID Principles, Pair Programming/Mob Programming, TSQL, SQL, Test Automation, TDD, Refactoring, Unit Testing, Mocking, JavaScript Frameworks, React or similar, ORM, Entity Framework, Agile, Scrum. Please note, to be considered for this opportunity you MUST have ...

security. Core Technical Stack * AWS Master: Deep expertise across EC2, Lambda, S3, IAM, and VPC. Terraform Expertise: Proven track record in designing and refactoring complex IaC environments (Git/GitLab integration). CI/CD Orchestration: Advanced experience with GitLab CI and Jenkins to automate end-to-end delivery pipelines. … proficiency in Python, Bash, and Ansible for automation and 'code review' leadership. Responsibilities Lead Technical Design: Shape the architectural direction of the AWS environment. Refactoring & Quality: Lead code reviews and promote refactoring techniques to enhance a multi-site enterprise codebase. Security & Compliance: Implement robust security measures aligned ...

Lead PySpark Engineer (Cloud Migration) Role Type: 5-Month Contract Location: Remote (UK-Based) Experience Level: Lead/Senior (5+ years PySpark) Role Overview We are seeking a Lead PySpark Engineer to drive a large ...

The Role: Join our client as a Lead PySpark Engineer to modernize legacy data workflows. You will lead the hands-on transition of complex SAS environments into scalable, AWS-native PySpark pipelines for a major ...

PySpark Engineer Lead As the Technical Lead, you will drive the high-stakes migration of legacy SAS analytics to a modern, cloud-native PySpark ecosystem on AWS. This isn't just a lift and shift ...