Performance Optimisation Jobs in Southampton

13 of 13 Performance Optimisation Jobs in Southampton

Senior Full Stack C# .NET Developer

Southampton, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
Skills & Experience 5+ years of commercial experience in C# and .NET. Expertise in: .NET Framework and WinForms Modern .NET (.NET 9) SQL Server (including performance optimisation) Front-end tech (HTML, CSS, JavaScript) Proven experience with application modernisation, including migrating legacy WinForms applications to modern web platforms (Blazor preferred More ❯
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Roku Developer

Southampton, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
Overview: My client is a specialist engineering company that builds white label video streaming applications for global media brands. They focus on delivering high performance, scalable solutions across Roku, web, and mobile platforms. They are now looking for an experienced Roku Developer to join their team and work across … multiple branded streaming apps. This person will take the lead on feature development, performance optimisation, and ensuring alignment with Roku certification standards. Key Responsibilities: Build and deploy Roku applications using BrightScript and SceneGraph Configure and launch white-label apps for 18+ video streaming clients Lead development of major … features including templated views, DRM, and EPG Integrate ad tech (Roku Ad Framework) and analytics (Google Analytics) Drive performance enhancements, reducing load time, memory use, and CPU usage Required Skills: Strong experience with BrightScript and SceneGraph Track record of Roku app development and deployment Familiarity with Roku Advertising Framework More ❯
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Senior Fullstack Engineer (Django, React, Analytics, AWS)

Southampton, England, United Kingdom
JR United Kingdom
models, and A/B testing frameworks . Deploy and monitor applications using AWS (EC2, S3, CloudFormation, ECS) . Ensure data security, compliance, and performance optimization. Requirements: 4+ years of experience in software engineering, with a focus on backend development. Experience building analytics and marketing tools (e.g., dashboards, tracking More ❯
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Clinical Data Visualization & Reporting Analyst

Southampton, England, United Kingdom
JR United Kingdom
integrated reporting and metrics development aligned with clinical and strategic goals. Participating in lifecycle and change management of analytics platforms. Contributing to system and performance optimizations. Mentoring junior team members and leading reporting development (advanced/expert levels only). Key Tools & Technologies Visualization Tools: Tibco Spotfire, Tableau, Power More ❯
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Dynamics 365 CE Solution Architect

Southampton, England, United Kingdom
JR United Kingdom
detailed technical design documentation, including data models, architecture diagrams, and system integrations. Provide leadership and mentorship to development teams, ensuring compliance with coding standards, performance optimization, and best practices. Partner with cross-functional teams to integrate CRM solutions with other business applications and platforms. What you’ll bring 5+ More ❯
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SAP BTP Solutions Architect

Southampton, England, United Kingdom
JR United Kingdom
interoperability. Design and implement data solutions leveraging SAP Datasphere to enable efficient data management and analytics. Provide guidance on BTP best practices, including security, performance optimization, and deployment strategies. Mentor junior developers and solution architects on BTP-related technologies and best practices. Work closely with development and operations teams … the latest SAP technologies in a dynamic, innovative environment. Collaborate with a diverse team and drive impactful solutions for leading clients. Competitive salary with performance-based incentives. Access to continuous learning and career development opportunities. Lemongrass Consulting is proud to be an Equal Opportunity and Affirmative Action employer. We More ❯
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Senior Full-Stack Engineer - AI Startup - TypeScript/LLM - £120k - Fully Remote

Southampton, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
both application logic and AI/LLM components Proficiency in React.js, Next.js , tRPC , TypeScript , and Prisma Strong understanding of MySQL , including schema design and performance optimization Practical experience integrating with LLMs, including prompt design and API management Familiarity with orchestration tools such as LangChain or similar Ability to learn More ❯
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Rust Engineer

Southampton, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
Online job hunting tools What you’ll work on: Ultra-low latency trading systems Building and maintaining exchange connectivity across global venues Systems-level performance optimisation and tuning Working closely with Quant Researchers to support live trading What they’re looking for: Strong engineering skills in Rust (or … C++ with a genuine interest in Rust) Deep understanding of low-level systems and performance-critical environments Experience in HFT, trading infrastructure, or latency-sensitive systems A collaborative mindset – you’ll be working with both quants and fellow engineers daily The setup: Remote-first within Europe London preferred Highly More ❯
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System Development Manager

Southampton, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
deep experience in both legacy and modern technology stacks. Key Responsibilities Software Engineering Leadership Set and own the technical roadmap, ensuring architectural scalability, security, performance, and maintainability of all software systems. Oversee full lifecycle software development — from requirements, technical design, development, testing, deployment, to post-release monitoring and maintenance. … cloud-native applications and services using Microsoft Azure , including Azure Functions, LogicApps, and container-based services. Drive cost-effective use of cloud services and performance optimization across environments. Ensure cloud architectures support observability, fault tolerance, and high availability. Guide the engineering team in data modelling, data access patterns, and … software and infrastructure meet organizational security and compliance requirements (e.g., GDPR, ISO 27001, OWASP Top 10). Team Management & Culture Build and scale high-performance engineering teams, including backend, frontend, full-stack, data, and security engineers. Define and track KPIs for engineering productivity, quality, and performance. Promote an engineering More ❯
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Staff Software Engineer

Southampton, England, United Kingdom
JR United Kingdom
and backend engineers to define and deliver impactful features. Code Quality: Ensure code quality through code reviews, unit testing, and adherence to best practices. Performance Optimization: Identify and address performance bottlenecks to ensure a seamless user experience. Continuous Improvement: Stay updated with the latest industry trends and technologies More ❯
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SQL Developer

Southampton, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
Experience with cloud-based database solutions and services (e.g., Azure SQL) expertise with relational databases (e.g., MS SQL) Managing SQL backups, database integrity, and performance optimization. Automation of routine daily checks/tasks. Knowledge of Excel for input/output data handling Familiarity with Azure Data Warehousing or Azure … support to developers, analysts, and testers. Review and deploy Database SQL Git Pull Requests to production environments. Evaluate and enhance database design for improved performance and maintainability. Ensure database integrity, security, and reliability through proactive management. Maintain and manage SQL databases, including SQL jobs and data changes in production. … Optimize SQL performance, conduct capacity planning, and implement performance improvements. Manage database builds, rollouts, and define SQL standards and deployment processes. Automate routine daily checks and tasks to improve operational efficiency. Oversee SQL backups and Azure SQL server auto-scaling. Implement changes to enhance data security and compliance. More ❯
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Senior Full Stack Developer (Django + React Native / Expo)

Southampton, England, United Kingdom
JR United Kingdom
Stack Developer with deep experience in Django and React Native (Expo) . You’ll be joining a small, fast-moving team building complex, high-performance systems in the fintech space. This is not a role for someone who needs hand-holding or detailed specs - it’s for someone who … and modular systems for financial products. Collaborating closely with product, design, and engineering leadership to ship meaningful features quickly. Making architectural decisions that balance performance, maintainability, and security. Writing clean, testable, well-documented code and reviewing PRs with a high bar for quality. Operating effectively in a high-expectation … APIs, authentication flows, and state management on mobile. Comfort with CI/CD pipelines, testing, and deployment best practices. Strong understanding of data models, performance optimization, and system design. Ability to operate with urgency and autonomy. You deliver without waiting to be told what to do. Bonus Points Prior More ❯
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Project Manager/ Games Producer

Southampton, England, United Kingdom
JR United Kingdom
unique opportunity to evolve into a more senior executive role within the company as we scale and grow and will be incentivised subject to performance/delivery. Key Responsibilities Project Management: Oversee the planning, development, and delivery of mobile game projects, ensuring all milestones and deadlines are met Team … experience Experience in Education/Games/Startups: Familiarity with the education/mobile games industry, including an understanding of mobile platforms, distribution, and performance optimisation. Game Development Experience: Knowledge or experience in the development process, including design, art, programming, and QA. Understanding of Analytics: Familiarity with game analytics More ❯
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