13 of 13 Performance Optimisation Jobs in West Sussex

Senior Software Engineer (Trading Systems)

Hiring Organisation
Beamost Ltd
Location
Crawley, West Sussex, UK
Employment Type
Full-time
established trading-related application and drive its ongoing development. You will manage and enhance the existing codebase, deliver new features, ensure reliability and performance, and help evolve the system as the business grows. This is an excellent opportunity for someone who enjoys autonomy, technical responsibility, and working … latency, high-performance applications. What You'll Do Maintain, extend, and optimise an existing Python-based trading application Add new features and improve current capabilities with a focus on performance, reliability and clean architecture Build and optimise real-time pipelines handling high-frequency data Improve latency, throughput ...

Lead Web Developer

Hiring Organisation
Reed
Location
Worthing, West Sussex, England, United Kingdom
Employment Type
Full-Time
Salary
£64,000 - £84,000 per annum, Inc benefits
them for the team and the user You thrive in fast-paced environments and enjoy guiding delivery at speed and quality You value craftsmanship: performance, reliability, accessibility, and great developer experience You enjoy mentoring, coaching, and creating a culture of continuous improvement You’re motivated by measurable impact … across front end, APIs, and services (component libraries, CI/CD, observability) Writing high-quality code and conducting thoughtful code reviews Guiding technical standards: performance budgets, testing strategy, documentation, and reliability practices Collaborating with product, design, and data to turn requirements into roadmap and clear user outcomes Owning release ...

Senior Software Engineer (.Net)

Hiring Organisation
Primis
Location
Crawley, West Sussex, UK
Employment Type
Full-time
they need exceptional .NET Software Engineers to drive this evolution. Your Impact: Design and develop mission-critical platform services, APIs, and merchant portals Drive performance optimisation and system reliability through intelligent engineering Champion engineering excellence in architecture, code quality, and delivery Partner with cross-functional teams to deliver ...

Software Engineer

Hiring Organisation
Digital Waffle
Location
Crawley, West Sussex, UK
Employment Type
Full-time
Node.js, TypeScript, React, and modern cloud engineering Hands-on experience with AWS serverless, particularly Lambda, Step Functions, DynamoDB Solid understanding of scalable architecture and performance optimisation Experience in scale ups, startups, or SMEs where speed, ownership, and adaptability matter Strong debugging, problem solving, and delivery skills Interest ...

Full Stack Developer

Hiring Organisation
Reed
Location
Gatwick, West Sussex, England, United Kingdom
Employment Type
Temporary
Salary
£700 - £750 per day, Inc benefits
Dynamics 365, SharePoint Online, and Gov.UK Pay (or other payment providers, secure payment gateway integration). Required Skills & Qualifications: Strong experience in UI development, performance optimisation, and accessibility. Proficient in React and Next.js for front-end development. Experienced in .NET (C#) for back-end development. Familiarity with Azure ...

Senior Full Stack Engineer

Hiring Organisation
Levy Global
Location
Crawley, West Sussex, UK
Employment Type
Full-time
Translating product and design requirements into scalable, high-quality solutions Collaborating closely with product managers, designers, and other engineers Tackling complex challenges around scalability, performance, and reliability Raising the bar on code quality, tooling, and engineering best practices What we're looking for 7+ years of experience … heavy UIs using React (Next.js and Chakra UI are a plus) Hands-on experience with relational (MySQL) and NoSQL databases Strong debugging, troubleshooting, and performance optimisation skills Take ownership and enjoy driving work forward Care about quality, performance, and continuous improvement Tech you'll work with Backend ...

Senior AI Engineer

Hiring Organisation
Circuit Medical
Location
Crawley, West Sussex, UK
Employment Type
Full-time
approaches including working with agentic architecture. Key Responsibilities Backend Development & Architecture - Design and implement scalable Python backend services, architect and maintain secure, high-performance, production multi-tenant systems, and develop RESTful and asynchronous APIs for internal and external use. LLM, Agents & AI Integration - Drive R&D innovation to meet … preferably AWS) and infrastructure-as-code Ø Experience with containerisation, orchestration, and CI/CD pipelines Ø Understanding of database scaling, caching strategies, and performance optimisation Ø Familiarity with LLM technologies and latest utilisation methodologies, including agentic workflows Ø Strong understanding of software design principles and coding standards ...

Backend Engineer, Contract | Python (Django), Java and Rust | Fully Remote / EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length

Hiring Organisation
Owen Thomas | Pending B CorpTM
Location
Crawley, West Sussex, UK
Employment Type
Full-time
Contract Length Designing and building robust backend services across Python and Django Collaborating with product and platform teams to scale critical infrastructure Contributing to performance optimisation, secure coding, and clean architecture decisions Bringing in best practices across multiple programming paradigms and languages Core Skills for the Backend Engineer ...

Software Engineer

Hiring Organisation
Understanding Solutions
Location
Crawley, West Sussex, UK
Employment Type
Full-time
platform, leading the development of the execution layer and market-making system. You'll step into a technical leadership role, driving architecture, improving performance, and ensuring the system is built to world-class standards. If you've built ultra-low-latency trading systems before and want to take full … systems Proven ability to lead the build of execution engines, market-making platforms, or similar low-latency trading infrastructure Strong background in system architecture, performance optimisation, and fault-tolerant distributed systems Experience replacing or migrating systems from languages such as Python into Rust Comfortable taking full ownership ...

NetSuite Developer

Hiring Organisation
IT Works Recruitment LTD
Location
Crawley, West Sussex, UK
Employment Type
Full-time
closely with finance, operations, and IT teams to translate requirements into scalable customizations, integrations, and enhancements. This role focuses on SuiteScript development, system integrations, performance optimization, and ongoing platform support to ensure NetSuite runs efficiently, securely, and in line with best practices. ...

NVIDIA Isaac Sim (Simulation Engineer) - 54835

Hiring Organisation
Turing
Location
Crawley, West Sussex, UK
Employment Type
Full-time
configure them for perception tasks (semantic labelling) and physics interaction (collision geometry, articulation). Environment Assembly: Build and validate simulation scenes, ensuring performance optimization (LODs, proxy meshes) and physics determinism. Pipeline & Logic: Use Python & OmniKit to write behaviour scripts and document the workflow for future scalability. Must-Have Qualifications ...

Azure DevOps Lead

Hiring Organisation
The Citation Group
Location
Crawley, West Sussex, UK
Employment Type
Full-time
stakeholders, we'd like to hear from you. Key Responsibilities: Team Leadership & Development: Lead, mentor, and develop a team of DevOps Engineers, setting clear performance expectations, providing constructive feedback, and fostering professional growth and career development opportunities. Strategic Planning: Define and communicate the Azure DevOps strategy and roadmap, aligning … Monitoring, Logging & Observability: Architect and oversee monitoring and logging solutions using Azure Monitor, Application Insights, and ELK Stack; ensure real-time visibility into system performance and security across all environments. Security & Compliance Leadership: Collaborate with security and compliance teams to establish and enforce security best practices across cloud resources ...

AWS Developer

Hiring Organisation
Empiric
Location
Crawley, West Sussex, UK
Employment Type
Full-time
with full working rights. You'll work across a modern AWS ecosystem, contributing to new feature development, architecture decisions, automation, and performance optimisation. Tech Stack You'll Work With You'll be hands-on with a wide range of AWS services, including: Compute & Serverless: Lambda, EC2 Networking & Security … scalable APIs (REST & GraphQL) Integrate event-driven workflows via EventBridge, SNS, and SQS Implement cloud-native authentication and authorisation using Cognito & IAM Optimise performance, reliability, and cost efficiency Work closely with engineering, product, and DevOps functions Ensure best practices in monitoring, logging, and security What We're Looking ...