7 of 7 Performance Tuning Jobs in Bolton

initial implementation through to production support. Collaborate with platform engineering teams to maintain a robust CI/CD pipeline. Ensure all code is testable, covering unit, integration, UI, and performance tests. Who You Are: Solid commercial experience with .NET and C#. Hands-on experience with Akka.NET for building distributed, scalable, fault-tolerant systems. Familiar with N-Tier architecture and … service-oriented design (SOA). Strong understanding of OOP principles and design patterns. Experienced with Web Services, WebAPI, and WCF. Comfortable with SQL and NoSQL databases. Skilled in performance tuning and optimisation. Confident with Git and source control best practices. Experienced in Agile or Kanban environments. Excellent collaborator and communicator, with a problem-solving mindset. Flexible for occasional More ❯

driven, or serverless architectures Understand regulated fintech environments, particularly FCA/PCI DSS Be experienced with GitOps and infrastructure delivery pipelines (e.g. ArgoCD) Be familiar with cost optimisation and performance tuning in cloud environments Demonstrate leadership in technical initiatives or mentoring junior engineers Benefits Competitive salary 30 days holiday per year plus Bank Holidays Opportunity to work on More ❯

to Work With: Modern microservices architecture powering high-volume systems Containerisation using Docker and Kubernetes for scalable deployments Cloud-native platforms and automated CI/CD pipelines Real-time performance engineering and distributed computing challenges Secure development practices with a focus on system architecture and compliance Key Responsibilities: Advocating TDD and solid development practices Providing technical leadership and peer … provide support What You’ll Need: Experience working on large commercial systems Strong skills in C#, .NET Core, and Web APIs Database experience, working with both SQL and NoSQL Performance tuning and optimisation expertise Contact Philip Boltt at Lorien Global for more information. More ❯

perfect user experiences across iOS and Android devices Collaborate closely with design and backend teams to bring new features to life Take ownership of the full development lifecycle — from performance optimisation to app store deployment What we’re looking for: Strong commercial experience with React Native Proven track record shipping cross-platform apps (iOS + Android) Solid grasp of … mobile lifecycles, performance tuning, and deployments A passion for creating slick user experiences that delight customers Dabbled in Swift/Objective-C (iOS) or Kotlin/Java (Android) Thrived in product-driven, fast-paced environments What’s on offer: 🌍 100% remote flexibility — work from anywhere 💸 Up to £105k salary 🚤 The chance to work on luxury tech with global More ❯

z/OS Systems Programmer (Mainframe) - Fully Remote We are looking for an experienced z/OS Systems Programmer to join our team, supporting the migration, installation, maintenance, and performance optimisation of IBM z/OS environments. This role is critical to ensuring reliability, security, and efficiency across our Mainframe infrastructure, while contributing to modernisation and compliance initiatives. Responsibilities … Install, configure, and maintain z/OS, JES2, SMP/E, and RACF Manage system patches, upgrades, and performance tuning Troubleshoot and resolve complex Mainframe systems issues Support integrations, migrations, and deployments across the platform Ensure adherence to security policies and regulatory compliance Collaborate with technical teams to deliver efficient and secure solutions Key Skills & Experience Strong experience More ❯

platform app, built with a clean, scalable architecture and a product that’s already live and growing fast. You’ll be hands-on with everything from UI polish to performance tuning, and you’ll have a strong voice in architectural decisions, tooling, and release strategy. The team is small, sharp, and fully remote. Everyone here codes, cares, and More ❯

The stack includes Riverpod for state management, GraphQL for API communication, and Firebase for auth, analytics, and push. You’ll be hands-on with everything from UI polish to performance tuning, and you’ll have a strong voice in architectural decisions, tooling, and release strategy. The team is small, sharp, and fully remote. Everyone here codes, cares, and More ❯