1 to 25 of 46 Remote/Hybrid Performance Optimisation Jobs in London

Senior Full Stack Engineer - Remote

Hiring Organisation
Birchwell Associates Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
product-focused environment where engineering decisions have direct impact at scale. The team operates at pace, with a strong emphasis on ownership, performance, and continuous iteration. The Role - Remote Europe (CET 3 We are seeking Senior Backend focused Full Stack Engineers to join a fully remote, cross-functional team … Responsibilities Design, build, and maintain scalable backend systems Work on high-traffic applications used by a global user base Contribute to architecture and performance optimisation Collaborate with cross-functional teams including Product, Design, and DevOps Take ownership of features from concept through to deployment Requirements 5+ years ...

Software Architects – Data & Performance – .NET, Azure, SQL, Cloud Architecture –(Edinburgh/UK Remote) 🌳🌳🌳 🚀

Hiring Organisation
Areti Group | B Corp™
Location
City of London, London, United Kingdom
Software Architects – Data & Performance – .NET, Azure, SQL, Cloud Architecture –(Edinburgh/UK Remote) 🌳🌳🌳 🚀 Areti Group | B CorpTM Scotland, United Kingdom Software Architect – Data & Performance – .NET, Azure, SQL – Scotland/UK Remote – Award-Winning, High-Growth AI SaaS Scale-Up Award-Winning, High-Growth Tech Scale-Up | AI-Driven … product. Your role will involve the following: 🌳 Analysing existing systems against future roadmap requirements 🌳 Defining scalable architectural solutions for high-volume data 🌳 Leading data performance and optimisation initiatives 🌳 Embedding security and privacy-by-design principles 🌳 Delivering and reviewing cloud-native Azure solutions 🌳 Driving architectural change within established codebases ...

Software Architects – Data & Performance – .NET, Azure, SQL, Cloud Architecture –(Edinburgh/UK Remote) 🌳🌳🌳 🚀

Hiring Organisation
Areti Group | B Corp™
Location
East London, London, United Kingdom
Software Architects – Data & Performance – .NET, Azure, SQL, Cloud Architecture –(Edinburgh/UK Remote) 🌳🌳🌳 🚀 Areti Group | B CorpTM Scotland, United Kingdom Software Architect – Data & Performance – .NET, Azure, SQL – Scotland/UK Remote – Award-Winning, High-Growth AI SaaS Scale-Up Award-Winning, High-Growth Tech Scale-Up | AI-Driven … product. Your role will involve the following: 🌳 Analysing existing systems against future roadmap requirements 🌳 Defining scalable architectural solutions for high-volume data 🌳 Leading data performance and optimisation initiatives 🌳 Embedding security and privacy-by-design principles 🌳 Delivering and reviewing cloud-native Azure solutions 🌳 Driving architectural change within established codebases ...

Senior Developer

Hiring Organisation
Reed.co.uk
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 per annum
code reviews, architecture discussions, and system design decisions. Troubleshoot and resolve complex technical issues across the full stack. Ensure software security, scalability, and performance are maintained at all times. Keep abreast of emerging technologies and industry trends to inform strategic decisions. Skills and Experience Minimum 8 years of commercial … orchestration tools such as Docker and Kubernetes. Familiarity with event-driven architecture and message brokers (e.g., Kafka, RabbitMQ). Knowledge of front-end performance optimisation and accessibility standards. Exposure to machine learning pipelines or data engineering workflows. Prior experience working in startup environments or high-growth technology companies. ...

Cloud Engineer

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
responsibilities: Design, build, and maintain cloud infrastructure (primarily Azure and GCP) Develop and manage CI/CD pipelines and automation Implement monitoring, alerting, and performance optimisation Ensure security, compliance, and system reliability Troubleshoot production issues and provide operational support Collaborate with architects, developers, and stakeholders Champion DevOps culture ...

Lead SRE

Hiring Organisation
Pulse Recruit
Location
London Area, United Kingdom
continuous improvement Partnering with engineering teams to design resilient, fault-tolerant systems Driving automation across infrastructure, deployments and operational workflows Contributing to capacity planning, performance optimisation and cost efficiency Providing technical leadership through design reviews and architectural decisions Mentoring engineers and influencing reliability best practices across the organisation ...

Senior Data Platform Engineer

Hiring Organisation
ITSS Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£70000 - £100000/annum Bonus + Fantastic benefits
using Terraform and building CI/CD pipelines via Azure DevOps and GitHub Actions. * Strong grasp of observability practices, including logging, metrics, alerting, and performance optimisation. * Deep understanding of cloud security, with experience applying secure-by-design principles in Azure and/or Snowflake (e.g., network isolation, IAM, data ...

Senior UI Developer - £165k + Bonus - London

Hiring Organisation
Hunter Bond
Location
Greater London, England, United Kingdom
rapidly growing fintech start-up building next-generation technology for the FX and cryptocurrency trading markets . Their platform powers modern, high-performance trading infrastructure used by participants operating in fast-paced global financial markets. You’ll be joining a talented team of engineers with experience from leading technology … delivering modern front-office trading applications within a growing engineering team. In this position, you will lead the design and development of high-performance, real-time web interfaces used by traders and clients. You’ll be responsible for defining front-end architecture, making key technical decisions, and ensuring ...

PHP Full Stack Software Engineer - Supply Chain / Sustainability. Hybrid

Hiring Organisation
RecruitmentRevolution.com
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum
based functionality. You’ll work closely with designers and stakeholders to bring user experiences to life, while contributing to the ongoing development and optimisation of our Moodle-based platforms. We make extensive use of AI-assisted development tools and are continuing to expand this across the team … code reviews and supporting other developers where needed. You will take ownership of software quality, ensuring best practices are followed across development, testing, and performance optimisation, including writing and maintaining unit and Behat tests. System Management & Support: You will troubleshoot issues and optimise applications to ensure performance ...

PHP Full Stack Software Engineer - Supply Chain / Sustainability

Hiring Organisation
RecruitmentRevolution.com
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 - 80,000 Annual
based functionality. You ll work closely with designers and stakeholders to bring user experiences to life, while contributing to the ongoing development and optimisation of our Moodle-based platforms. We make extensive use of AI-assisted development tools and are continuing to expand this across the team … code reviews and supporting other developers where needed. You will take ownership of software quality, ensuring best practices are followed across development, testing, and performance optimisation, including writing and maintaining unit and Behat tests. System Management & Support: You will troubleshoot issues and optimise applications to ensure performance ...

PHP Full Stack Software Engineer - Supply Chain / Sustainability

Hiring Organisation
RecruitmentRevolution.com
Location
EC1V, Old Street, Greater London, United Kingdom
Employment Type
Permanent
Salary
£70000 - £80000/annum + Benefits
based functionality. You’ll work closely with designers and stakeholders to bring user experiences to life, while contributing to the ongoing development and optimisation of our Moodle-based platforms. We make extensive use of AI-assisted development tools and are continuing to expand this across the team … code reviews and supporting other developers where needed. You will take ownership of software quality, ensuring best practices are followed across development, testing, and performance optimisation, including writing and maintaining unit and Behat tests. System Management & Support: You will troubleshoot issues and optimise applications to ensure performance ...

Lead Data Engineer - Hybrid working

Hiring Organisation
Ashdown Group
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
models across Snowflake, Databricks, and cloud environments (AWS/GCP). Working closely with Data Science, Product, and Analytics teams, youll ensure reliable, high-performance data flows that power AI and analytics products. Alongside deep technical delivery, youll be responsible for leading the junior engineers and near shore partners … architectural direction and best practices. Key Responsibilities Design and maintain scalable data architectures across Snowflake and Databricks Lead schema design, dimensional modelling, and SQL performance optimisation Build robust ETL/ELT pipelines Develop resilient API ingestion workflows Implement data quality frameworks and enforce data contracts Build CI/ ...

Senior Data Engineer - Microsoft Fabric

Hiring Organisation
Harvey Nash
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £90,000 per annum
architecture, develop scalable analytics solutions, and stay hands-on. Responsibilities include delivering Fabric solutions (OneLake, Lakehouse, Warehouses, Power BI), leading architecture and performance optimisation, and enabling advanced analytics and machine learning with Fabric and Azure ML. Key skills and responsibilities, Demonstrated hands-on experience with Microsoft Fabric … leadership and effective stakeholder engagement. Design and deliver comprehensive Fabric solutions, including OneLake, Lakehouse, Warehouses, and Power BI. Lead architectural design, capacity planning, and performance optimization efforts. Facilitate advanced analytics and machine learning initiatives utilising Fabric and Azure ML. Implement governance, security, and DevOps best practices. Mentor engineers ...

Senior Data Engineer - Microsoft Fabric

Hiring Organisation
Harvey Nash
Location
City of London, Greater London, UK
architecture, develop scalable analytics solutions, and stay hands-on. Responsibilities include delivering Fabric solutions (OneLake, Lakehouse, Warehouses, Power BI), leading architecture and performance optimisation, and enabling advanced analytics and machine learning with Fabric and Azure ML. Key skills and responsibilities, Demonstrated hands-on experience with Microsoft Fabric … leadership and effective stakeholder engagement. Design and deliver comprehensive Fabric solutions, including OneLake, Lakehouse, Warehouses, and Power BI. Lead architectural design, capacity planning, and performance optimization efforts. Facilitate advanced analytics and machine learning initiatives utilising Fabric and Azure ML. Implement governance, security, and DevOps best practices. Mentor engineers ...

Technical Program Manager

Hiring Organisation
Tata Consultancy Services
Location
London Area, United Kingdom
complex technical dependencies across Snowflake, dbt, Airflow, and GitHub‐based development workflows. Collaborating closely with data engineering and analytics teams to support Snowflake architecture, performance optimisation, and cost management. Overseeing dbt project delivery, testing approaches, deployment governance, and documentation standards. Defining and enforcing SDLC and CI/… delivery timelines. Facilitating technical discussions and translating complex technical concepts for non‐technical stakeholders. Driving continuous improvement in programme delivery processes, tooling, and performance metrics. Ensuring adherence to data governance, security, and regulatory compliance standards. Your Profile Essential skills/knowledge/experience: Proven experience in a Technical Program ...

🌳 Hands On Software Engineering Managers/Tech leads – Data & Performance - REMOTE🌳🌳🌳🌳

Hiring Organisation
Areti Group | B Corp™
Location
East London, London, United Kingdom
Hands On Software Engineering Managers/Tech leads – C#/.NET/AZURE - Data & Performance 🌳 This is a hands-on technical leadership role with a strong focus on data architecture, application performance, and platform scalability. You’ll lead a small senior engineering team, combining technical delivery with people … usage, and real-time customer insight . 🔧 What You’ll Do 🌳 Lead and support a newly forming team focused on data architecture and application optimisation 🌳 Drive structural change within a large, established codebase to support scale 🌳 Influence architecture, design, and technology decisions across the platform 🌳 Partner closely with Product ...

🌳 Hands On Software Engineering Managers/Tech leads – Data & Performance - REMOTE🌳🌳🌳🌳

Hiring Organisation
Areti Group | B Corp™
Location
City of London, London, United Kingdom
Hands On Software Engineering Managers/Tech leads – C#/.NET/AZURE - Data & Performance 🌳 This is a hands-on technical leadership role with a strong focus on data architecture, application performance, and platform scalability. You’ll lead a small senior engineering team, combining technical delivery with people … usage, and real-time customer insight . 🔧 What You’ll Do 🌳 Lead and support a newly forming team focused on data architecture and application optimisation 🌳 Drive structural change within a large, established codebase to support scale 🌳 Influence architecture, design, and technology decisions across the platform 🌳 Partner closely with Product ...

Fullstack Software Engineers – C#, .NET, Vue.js, JavaScript, Azure, Testing, Remote - Edinburgh/Scotland - Award-Winning, High-Growth Tech Scale-Up 🌳🌳🌳 🚀

Hiring Organisation
Areti Group | B Corp™
Location
Central London / West End, London, United Kingdom
have): RabbitMQ, SignalR, broader Azure services 🌳 Azure Cognitive Search 🌳 Data pipelines (Fabric or similar) 🌳 Search technologies (Lucene, Elastic, NoSQL, MSSQL) 🌳 MS SQL views and performance optimisation 🌟 About You 🌳 A strong full-stack engineer with deep problem-solving instincts 🌳 Skilled at breaking down complexity into clear actions 🌳 Emotionally intelligent ...

Senior Golang Engineer

Hiring Organisation
PCR Digital
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650/day Inside IR35
years of relevant industry experience Significant experience with Golang and Git/GitHub SCM Strong experience with coding techniques and standard methodologies for security, performance optimization, and ease-of-use Experience in utilisation and deployment of cloud technologies in AWS or GCP , experience in container technologies such as Docker … through analytics dashboards Passion for high-quality code, tests, CI/CD, documentation, and production services Track record of driving improvements in code quality, performance , etc. Experience leveraging ORMs to interact with databases efficiently Familiarity with Python, Java, Swift, C, C++ and/or Objective-C ; and JavaScript ...

Senior Software Engineer

Hiring Organisation
Understanding Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£165,000 - £185,000 per annum
Have you built low-latency, high-performance systems and want to work at the cutting edge of crypto trading infrastructure? Senior Software Engineer (C++) - Crypto Trading Salary: up to £185k + bonus + RSUs Location: Fully Remote We are delighted to be continuing our partnership with a globally established … mission to accelerate global crypto adoption, and are looking for experienced C++ Engineers to help build one of the most scalable, secure, and high-performance trading platforms in the market. You'll join a globally distributed Trading Technology team, working on critical backend services including matching engines, market data ...

Senior Full Stack Engineer

Hiring Organisation
RSMB
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
Senior Full Stack Engineer role: This role sits within the Development team in the Technology department and is critical to delivering scalable, high-performance, data-driven products. You will work across the full stack, contributing to backend services, APIs, and frontend applications, while collaborating closely with data science, product … focused mindset. Key responsibilities as our Senior Full Stack Engineer will include: Full Stack Development & System Design Designing and building scalable, maintainable, and high-performance applications across backend and frontend layers. Developing backend services using Python and SQL, with integration into Azure-based infrastructure and Snowflake data platforms. Building ...

Senior Full Stack Engineer

Hiring Organisation
RSMB
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£85,000 per annum
Senior Full Stack Engineer role: This role sits within the Development team in the Technology department and is critical to delivering scalable, high-performance, data-driven products. You will work across the full stack, contributing to backend services, APIs, and frontend applications, while collaborating closely with data science, product … focused mindset. Key responsibilities as our Senior Full Stack Engineer will include: Full Stack Development & System Design Designing and building scalable, maintainable, and high-performance applications across backend and frontend layers. Developing backend services using Python and SQL, with integration into Azure-based infrastructure and Snowflake data platforms. Building ...

Head of Engineering

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
resilience, and maintainability across the platform. Roadmap Alignment : Partner with the Head of Product to align the roadmap with current delivery and future priorities. Performance & Reliability : Lead performance engineering, ensuring scalability, resilience, and capacity to support projected workloads. Production Excellence : Oversee investigation and root cause analysis of production … mission. Talent Acquisition : Recruit top engineering talent: screening, running technical and culture-fit interviews, and ensuring smooth onboarding with HR. Culture : Foster a high-performance, collaborative culture that embraces accountability, learning, and experimentation. Governance, Security & Compliance : Take ownership of security leadership within engineering: embedding secure-by-design practices, ensuring ...

Java Engineer (FIX / Trading APIs)

Hiring Organisation
Morgan McKinley
Location
London Area, United Kingdom
latency trading connectivity (FIX + modern APIs) This is revenue-impacting infrastructure , not internal tooling. What You’ll Be Doing Designing and building high-performance Java services powering trading APIs Developing and optimising FIX connectivity for institutional clients Owning end-to-end delivery — from design through to production Improving … They’re Looking For Strong Java engineering fundamentals in real-time or distributed systems Experience building external-facing APIs or connectivity layers Understanding of performance optimisation and system design under load Exposure to trading systems, fintech, or low-latency environments is highly relevant Engineers comfortable operating in high ...

Contract Android Engineer - Central Government Project (Inside IR35)

Hiring Organisation
Morson Edge
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£450 - 500 per day
handling sensitive data Desirable Skills: Experience with modern Android architecture (e.g., MVVM, Clean Architecture) Familiarity with CI/CD pipelines and automated testing Performance optimisation and app scalability experience Experience working on high-traffic or mission-critical applications What You'll Bring: A strong focus on delivery ...