16 of 16 Performance Optimisation Jobs in East Sussex

Lead Web Developer

Hiring Organisation
Reed
Location
Eastbourne, East Sussex, England, United Kingdom
Employment Type
Full-Time
Salary
£33,000 - £40,000 per annum
maintainable code and conducting constructive code reviews Working closely with product, design, and data teams to translate ideas into deliverables Managing release cycles, monitoring performance, and coordinating incident response Guiding and mentoring developers through pairing, feedback, and knowledge sharing Ensuring best practices around accessibility, security, and performance optimisation … Solid understanding of back-end technologies (Node.js, APIs, microservices) Experience with CI/CD pipelines, cloud platforms, and version control best practices Familiarity with performance optimisation, accessibility standards, and SEO fundamentals Excellent communication skills and the ability to simplify complex concepts Bonus: Experience with headless CMS, GraphQL, containerisation ...

Senior Software Engineer

Hiring Organisation
Beamost Ltd
Location
Brighton, East 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
Lewes, East Sussex, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £70,000 per annum
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 ...

Principal Software Engineer (.Net)

Hiring Organisation
Primis
Location
Brighton, East 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 ...

Principal Software Engineer

Hiring Organisation
OpenSolar
Location
Brighton, East Sussex, UK
Employment Type
Full-time
scalability. Collaborate with product managers, designers, and engineering leadership to define and drive technical strategy and roadmap. Lead cross-functional technical initiatives, including performance optimisations, system refactoring, and migrations. Establish and enforce engineering best practices across the organisation (code quality, security, testing, CI/CD). Mentor and coach ...

Senior Full Stack Engineer

Hiring Organisation
Levy Global
Location
Brighton, East 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 ...

Python Engineer- AI systems(Contact Centre Platforms)

Hiring Organisation
Callcare247
Location
Brighton, East Sussex, UK
Employment Type
Full-time
communicator with a delivery-focused mindset Desirable (Not Essential) Experience with PyTorch, TensorFlow, or similar ML frameworks Exposure to MLOps, model monitoring, or AI performance optimisation Frontend collaboration experience (e.g. React-based systems) Cloud-native or containerised deployment experience Why work for us? Lead the development … live operations High autonomy with real architectural and delivery ownership Opportunity to shape how AI is applied in complex, real-world environments Competitive salary, performance bonus, and long-term progression into Head/Principal roles Please apply if you have solid work history and are not looking for remote ...

Senior AI Engineer

Hiring Organisation
Circuit Medical
Location
Brighton, East 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 ...

Principal Data Engineer

Hiring Organisation
Corecom Consulting
Location
Brighton, East Sussex, UK
Employment Type
Full-time
will be doing • Defining and owning the technical strategy for the data platform across ingestion, processing, and analytics • Designing scalable, secure, and high performance architectures using Databricks and distributed data systems • Building and overseeing robust data ingestion pipelines using PySpark, with a strong focus on reliability and accuracy • Ensuring … expertise in PySpark and distributed data processing at scale • Strong hands on experience designing, building, and optimising Databricks based platforms • Advanced SQL skills including performance optimisation and schema design for analytical workloads • Experience working across Azure based data warehouses, with some exposure to AWS • Proven experience defining ...

Senior Engineer (Frontend-First)

Hiring Organisation
field doctor
Location
Brighton, East Sussex, UK
Employment Type
Full-time
engineers who are comfortable managing their own priorities and momentum. You'll play a key role in scaling our Shopify Hydrogen headless storefront, improving performance, shipping features quickly, and supporting the launch of our mobile app. It's an excellent opportunity for a strong engineer stepping into their first … tooling as part of day-to-day delivery Improve code quality, structure, documentation and testing Support experimentation, analytics, A/B testing and performance optimisation Diagnose and resolve issues across browsers, devices and edge cases About You Strong experience with React and modern TypeScript/JavaScript Able ...

React Native Developer

Hiring Organisation
Inspiring Teachers
Location
Brighton, East Sussex, UK
Employment Type
Full-time
multi-tenant platform. You'll work across the full mobile lifecycle—from turning product ideas into polished iOS and Android features, to shaping architecture, performance, and release quality—while collaborating closely with our product team. KEY RESPONSIBILITIES Design, build, and maintain high-quality cross-platform mobile apps using React … Native for iOS and Android Translate product and design requirements into well-structured, performant, and maintainable mobile features Own mobile architecture, state management, and performance optimisation across the app Integrate with APIs, authentication, and third-party services, including occasional native module work when needed Ensure high code quality ...

Frontend Engineer (3D / CGI Focus)

Hiring Organisation
Hatched Recruitment Group
Location
Brighton, East Sussex, UK
Employment Type
Full-time
WebGL, Three.js, or similar) Turn product ideas into intuitive, high-quality UI Collaborate with designers, product teams, and backend engineers (C#/.NET) Ensure performance, accessibility, and cross-browser compatibility Contribute ideas to improve UX, frontend architecture, and product features Who You Are Strong commercial experience with JavaScript (TypeScript … about why you're building something Confident sharing code or portfolios (GitHub, live demos, videos) Bonus: experience with C#/.NET, startup environments, or performance optimisation Why Join Us Hybrid working — just 1 day/week in the Birmingham office Real ownership of a customer-facing product Work ...

iOS Developer

Hiring Organisation
ARC IT Recruitment Ltd
Location
Brighton, East Sussex, South East, United Kingdom
Employment Type
Permanent
Salary
£70,000
principles to write scalable, maintainable code Working with RESTful APIs to integrate app functionality Ensuring apps perform smoothly through memory management, multi-threading, and performance optimisation Collaborating with cross-functional teams on exciting projects Nice to have: experience with Android development (Kotlin) Our client offers a vibrant office ...

NVIDIA Isaac Sim (Simulation Engineer) - 54835

Hiring Organisation
Turing
Location
Brighton, East 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 ...

Senior Magento Developer (Backend)

Hiring Organisation
INDEZ
Location
Brighton, East Sussex, UK
Employment Type
Full-time
experience) Work Week: 35 hours, full-time About The Role INDEZ is looking for a skilled Magento Developer to join our compact, high-performance team. We are a Google Premier Partner and the organisers of the national Ecommerce Scotland conference We manage a portfolio of multi-million turnover … growth marketing. This is a unique opportunity to work directly alongside our CTO - a highly specialised ecommerce architect with a PhD in High-Performance Computing. You will have the chance to work with high-level technical leadership, adopting the latest technology for growing and scaling ambitious clients. ...

SC Cleared Splunk Engineer

Hiring Organisation
Hamilton Barnes
Location
Brighton, East Sussex, UK
Employment Type
Full-time
Splunk Engineer - 3-Month Contract - Fully Remote We are hiring an SC Cleared Splunk Engineer to take hands-on ownership of Splunk platform engineering, optimisation, and operational support within a secure environment. This role is delivery-focused, requiring practical experience building, maintaining, and improving Splunk deployments to support security … infrastructure, and application logs. Develop and maintain Splunk dashboards, reports, and alerts to support SOC and operational teams. Tune searches and alerts to improve performance, reduce noise, and enhance detection capability. Support incident investigation and troubleshooting using Splunk search and analytics. Ensure Splunk platform performance, scalability, and reliability ...