1 to 25 of 29 Permanent Performance Optimisation Jobs in Berkshire

Senior Software Engineer

Hiring Organisation
Beamost Ltd
Location
Reading, Berkshire, 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 ...

Senior Software Engineer

Hiring Organisation
Beamost Ltd
Location
Slough, Berkshire, 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 ...

Senior Software Engineer (.Net)

Hiring Organisation
Primis
Location
Reading, Berkshire, 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 ...

Senior Software Engineer (.Net)

Hiring Organisation
Primis
Location
Slough, Berkshire, 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 ...

Senior Software Engineer

Hiring Organisation
Digital Waffle
Location
Slough, Berkshire, 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 ...

Lead Software Engineer, React Native

Hiring Organisation
Travelex
Location
Slough, Berkshire, UK
Employment Type
Full-time
Technical Leadership Lead the design and implementation of key features and components of our React Native mobile application. Make informed technical decisions that improve performance, reliability, and scalability. Participate in architectural discussions and help shape the technical direction of mobile applications. Provide support and unblock engineers during development, testing … standards are upheld. Help foster a healthy engineering culture based on learning, knowledge sharing, and accountability. Engineering Quality Champion strong testing, code quality, and performance practices. Knowledge of best practices in security, performance and accessibility Identify areas for improvement within the codebase and contribute to long-term maintenance ...

Senior Full Stack Engineer

Hiring Organisation
Levy Global
Location
Reading, Berkshire, 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 Full Stack Engineer

Hiring Organisation
Levy Global
Location
Slough, Berkshire, 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 ...

SRE Engineer Java JVM - Fintech

Hiring Organisation
Client Server
Location
Slough, Berkshire, UK
Employment Type
Full-time
driving improvements across the platform. You'll have a broad scope including hands-on coding (Java) to build tools and automation, incident response, observability, performance optimisation and operational excellence, working with large scale Java JVM distribution systems and message brokers such as Kafka and ActiveMQ, with … Site Reliability Engineer SRE (or similar) with a Java software engineering background and a deep knowledge of JVM internals and performance tuning You have a strong knowledge of Site Reliability Engineering and how to build scalable solutions to improve reliability, productivity and efficiency You have strong experience with message ...

Full Stack Engineer

Hiring Organisation
Levy Global
Location
Slough, Berkshire, UK
Employment Type
Full-time
requirements into scalable, maintainable code Collaborate with product managers, designers, and engineers to deliver end-to-end solutions Solve complex challenges related to scalability, performance, and reliability Contribute to engineering best practices, tooling, and processes Required Experience 3+ years of experience building full-stack applications Experience developing enterprise SaaS … ORMs (e.g., Sequelize) Strong frontend experience with React and modern UI frameworks Experience working with relational (MySQL) and NoSQL databases Strong debugging, troubleshooting, and performance optimisation skills Technical Skills Backend: TypeScript, NestJS, Sequelize, REST APIs, GraphQL, MySQL, NoSQL, Kafka Frontend: React, Next.js, TypeScript, Chakra UI, React Query, GraphQL ...

Senior AI Engineer

Hiring Organisation
Circuit Medical
Location
Reading, Berkshire, 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 ...

Senior AI Engineer

Hiring Organisation
Circuit Medical
Location
Slough, Berkshire, 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 ...

Engineering Manager, Machine Learning, Marketplace, Ecommerce, | 35 Million Users | UK Remote OR London, Hybrid, 1 Day PW, Up to £140,000

Hiring Organisation
Owen Thomas | Pending B CorpTM
Location
Slough, Berkshire, UK
Employment Type
Full-time
strategy that drives engagement, conversion, and growth. Oversee the design, training, and deployment of search and recommendation models — from data strategy to monitoring and performance optimisation. Collaborate with platform and MLOps teams to ensure robust, efficient, and scalable ML workflows (including CI/CD, feature management, and monitoring). ...

Software Engineer

Hiring Organisation
Block MB
Location
Slough, Berkshire, UK
Employment Type
Full-time
Strong proficiency across Python/TypeScript/Golang (or equivalent polyglot stacks) with proven ownership of production-grade systems. Expertise in real-time systems, performance optimisation, fault tolerance and scalable architectures under uncertainty. Experience with financial protocols, market data feeds, order matching or compute infrastructure is a strong ...

Software Engineer

Hiring Organisation
Understanding Solutions
Location
Slough, Berkshire, 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 ...

Software Engineer

Hiring Organisation
Understanding Solutions
Location
Reading, Berkshire, 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 ...

Dynamics 365 Architect

Hiring Organisation
Norton Blake
Location
Slough, Berkshire, UK
Employment Type
Full-time
Drive AI/ML adoption using AI Builder, Azure Cognitive Services, and customer intelligence features Support governance, DevOps, CI/CD, environment strategy, and performance optimization Serve as the SME for CRM strategy, integration frameworks, roadmap planning, and platform evolution Required Experience & Skills: Nice to Have: Microsoft certification ...

Staff React Engineer (TypeScript + AI Experience)

Hiring Organisation
Wizeline
Location
Slough, Berkshire, UK
Employment Type
Full-time
make sure you're a good fit for the role: Key Responsibilities Lead the architecture, design, and development of scalable, high-performance web applications using React and TypeScript. Define and execute the front-end technical strategy, ensuring scalability, performance, and alignment with product and AI goals. Collaborate closely … applications. Mentor other engineers, promoting excellence in coding practices, architecture decisions, and technical problem-solving. Establish and enforce standards for code quality, accessibility, performance optimization, and testing. Partner with backend and DevOps teams to optimize CI/CD pipelines and deployment processes. Continuously identify opportunities ...

Product Engineer (Backend)

Hiring Organisation
Granola
Location
Slough, Berkshire, UK
Employment Type
Full-time
evolution and scaling of our backend infrastructure Design and implement performant APIs and services Build infrastructure to support cutting-edge AI capabilities Optimise database performance and query efficiency Continuously improve reliability and observability through enhanced monitoring and alerting Collaborate cross-functionally to ensure our infrastructure supports continuous product innovation … using Terraform) Deep knowledge of relational databases (we use PostgreSQL) Familiarity with serverless architectures (we love lambdas!) Solid understanding of security best practices and performance optimisation As a person, you... Are first and foremost a builder Are excited to work in-person from our office in London (most ...

NVIDIA Isaac Sim (Simulation Engineer) - 54835

Hiring Organisation
Turing
Location
Reading, Berkshire, 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 ...

NVIDIA Isaac Sim (Simulation Engineer) - 54835

Hiring Organisation
Turing
Location
Slough, Berkshire, 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 ...

Software Engineering Lead - PBSA Operations Platform (React, TypeScript)

Hiring Organisation
Viridis Real Estate Services
Location
Slough, Berkshire, UK
Employment Type
Full-time
Responsibilities Lead from the front: Architect, develop, and deliver features in our React/TypeScript-based platform. Shape engineering strategy: Drive code quality, performance, and maintainability across the stack. Mentor and guide: Support engineers at all levels through coaching, code reviews, and technical direction. Collaborate cross-functionally: Work closely … Bring 10+ years' experience building and scaling full-stack or frontend-heavy web apps. Are fluent in React, TypeScript, HTML/CSS, and frontend performance optimization. Understand backend architecture well enough to collaborate effectively (Node.js, Azure SQL, ASP.NET Core, REST/GraphQL). Know how to design multi-tenant ...

Data Engineer

Hiring Organisation
Cerberus Capital Management
Location
Slough, Berkshire, UK
Employment Type
Full-time
software engineers to ensure seamless data integration and availability for predictive modeling and business intelligence. Optimize data storage and processing in Azure environments for performance, reliability, and cost-efficiency. Implement best practices for data modeling, governance, and security across all platforms. Troubleshoot and enhance existing pipelines to improve scalability … love to hear from you. Strong technical foundation: Degree in a STEM field (or equivalent experience) with hands-on experience in production environments, emphasizing performance optimization and code quality. Python expertise: Advanced proficiency in Python for data engineering, data wrangling and pipeline development. Cloud Platforms: Hands-on experience working ...

Senior Data Engineer

Hiring Organisation
Retelligence
Location
Slough, Berkshire, UK
Employment Type
Full-time
thinking organization that specializes in digital innovation. We require an experienced Senior Data Engineer to design, build, and maintain a robust, scalable, and high-performance system that is fundamental to the organization's operational and analytical success. Core Responsibilities The successful candidate will own the technical development and strategic … execution of the core data platform, ensuring high quality, performance, and security: System Architecture & Development: Lead the design, development, and maintenance of scalable, high-performance, real-time data pipelines and core infrastructure components within the cloud environment. Data Integration: Ensure seamless, low-latency data flow by integrating ...

Senior Full Stack Developer | C# & React | Greenfield Trading Platform | London, Hybrid | Up to £120k + Bonus, Benefits

Hiring Organisation
VirtueTech Recruitment Group
Location
Slough, Berkshire, UK
Employment Type
Full-time
embarking on an exciting initiative to rebuild and enhance their trading technology stack. This transformation includes Clearing, Risk, and Click & Trade platforms, focusing on performance, scalability, and real-time data capabilities to give traders a competitive edge. The Role This is an exciting opportunity to work on real-time … develop, and maintain scalable applications within the trading ecosystem. Work across the full stack, with a primary focus on C# back-end development. Ensure performance, maintainability, and testability of all solutions. Work closely with business users to understand requirements and deliver high-impact solutions. Stay up to date with ...