1 to 25 of 38 Remote Performance Optimisation Jobs in the Thames Valley

Senior Software Engineer (Trading Systems)

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 (Trading Systems)

Hiring Organisation
Beamost Ltd
Location
Oxford, Oxfordshire, 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 (Trading Systems)

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 (.Net)

Hiring Organisation
Primis
Location
Oxford, Oxfordshire, 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
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 (.Net)

Hiring Organisation
Primis
Location
High Wycombe, Buckinghamshire, 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
Milton Keynes, Buckinghamshire, 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
High Wycombe, Buckinghamshire, 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 ...

Software Engineer

Hiring Organisation
Digital Waffle
Location
Reading, 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 ...

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 ...

Senior Platform Engineer

Hiring Organisation
KDR Talent Solutions
Location
Oxfordshire, England, United Kingdom
core platforms that power mission-critical workloads across the business. This role is ideal for a senior DevOps engineer who thrives on automation, performance optimisation, and operating complex systems in demanding environments. The Opportunity You’ll join a high-impact platform engineering team responsible for designing, securing … containerised workloads. Develop and improve CI/CD pipelines to support rapid, reliable deployments. Implement observability, monitoring, alerting, and incident response best practices. Optimise performance across compute, storage, and networking layers. Embed security, resilience, and compliance controls into platform design (“DevSecOps”). Partner with internal teams to forecast capacity ...

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 ...

Senior AI Engineer

Hiring Organisation
Circuit Medical
Location
High Wycombe, Buckinghamshire, 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
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 ...

Senior AI Engineer

Hiring Organisation
Circuit Medical
Location
Milton Keynes, Buckinghamshire, 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). ...

BOARD CPM Consultant - London

Hiring Organisation
SystemsAccountants
Location
Slough, Berkshire, UK
Employment Type
Full-time
Senior Consultant – BOARD CPM Location: London (Hybrid working model) Contract Type: Permanent Start Date: ASAP Industry: Enterprise Performance Management (EPM) Consulting What is the role and company? A rapidly growing boutique consulting firm specialising in Corporate Performance Management (CPM) solutions is seeking a Senior Consultant with strong expertise … sponsorship and relocation support available) Preferred: Exposure to other CPM/EPM tools (e.g., Tagetik, OneStream, Anaplan, Oracle EPM) Experience in data integration and performance optimisation Ability to mentor junior team members and contribute to solution design standards Why should I take this role? Impact: Deliver high-value ...

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
High Wycombe, Buckinghamshire, 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 ...

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
Oxford, Oxfordshire, 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 ...

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
Reading, Berkshire, 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 ...

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
Slough, Berkshire, 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 ...

SailPoint Engineer

Hiring Organisation
Maxwell Bond
Location
Slough, Berkshire, UK
Employment Type
Full-time
services (Azure), and enterprise applications Enhance IGA processes through continuous improvement, reporting, and governance controls Conduct troubleshooting for complex IAM/IGA issues and performance optimisation Provide mentoring for junior team members and collaborating with stakeholders What we are looking for: 3 - 5 years of hands-on experience ...

Software Engineer

Hiring Organisation
Understanding Solutions
Location
High Wycombe, Buckinghamshire, 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 ...