14 of 14 Performance Engineering Jobs in London

Lead Performance Tester

Hiring Organisation
Scrumconnect Consulting
Location
City of London, London, United Kingdom
Lead Performance Test Engineer Location: UK (Remote/Hybrid) Clearance: BPSS required, SC strongly preferred Location : London, birmingham, newcastle, work from home Contract/Permanent: Open Salary - 60k -75k pa About Scrumconnect Consulting Scrumconnect Consulting is a multi-award-winning digital consultancy, recognised for delivering impactful technology solutions … commitment to user-centred design and agile delivery, and more to deliver innovative digital services that matter. Role Overview We are seeking a Lead Performance Tester/Performance Engineering Lead to provide end-to-end ownership of performance testing and performance assurance across complex digital ...

Performance Tester

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£420 - £430/day Inside IR35 Hybrid working
Performance Tester +6 months + +Remote working +Inside IR35 +£420 - £430 a day We are seeking an experienced Performance Tester to help ensure our systems are scalable, reliable, and meet agreed performance targets across business-critical digital services. You will play a key role in validating … system behaviour under load, identifying bottlenecks, and providing clear, actionable insight to delivery teams to drive performance improvements. Key Responsibilities Design, build, and execute performance, load, and stress tests across complex systems Analyse test results and produce clear reports highlighting risks, constraints, and improvement actions Work closely with ...

AI Solutions Engineer

Hiring Organisation
ISL Talent
Location
City of London, London, United Kingdom
people at the center of it. Our platform is used by tier-one banks, hedge funds, and trading firms to identify latency bottlenecks and performance issues in high-performance electronic trading environments. Rather than throwing money or hardware at problems, our technology pinpoints the real root causes, using … insight that only comes from deep experience in trading system performance engineering and first-hand knowledge from ex-technical traders. We’re now entering an exciting growth phase. Alongside our existing offering, we’re developing a Cloud/SaaS platform and scaling globally, supported by industry leaders ...

Principal Engineer (Android)

Hiring Organisation
Paritas Recruitment
Location
City of London, London, United Kingdom
their mobile customer experience. This is a chance to join a respected institution undergoing a major digital modernisation—playing a senior role in driving engineering excellence and delivering secure, high-performing mobile applications used at national scale. The Opportunity In this position, you’ll take the lead on designing … building software that puts user experience front and centre. You’ll steer complex engineering initiatives, define core architectural patterns, and provide technical direction to multiple feature teams—ensuring their delivery aligns with wider technology and business goals. You’ll work closely with architects, senior engineers, and product leaders ...

Azure Ai Architect

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £650 to £700 per day
applications, and retrieval augmented systems integrated with core enterprise platforms. You will collaborate closely with business stakeholders, product owners, security and compliance, data engineering, and application teams to translate business outcomes into actionable AI roadmaps and solution designs. You will also guide implementation teams on best practices for prompt … engineering, grounding strategies, RAG patterns, observability, MLOps, and Responsible AI-ensuring solutions are robust, compliant, and production ready. This role suits a hands on architect who can balance strategic vision with pragmatic delivery, establish engineering standards, and mentor developers while owning architectural decisions and non functional requirements (performance ...

Network Automation Engineer

Hiring Organisation
Autonomai Recruitment
Location
City of London, London, United Kingdom
platforms, and high‐end automation. Network Engineer – Overview This elite trading firm is seeking a Network Engineer to join a small, high‐impact engineering group supporting ML/AI‐driven trading and research. You will work closely with teams running massive simulation, HPC, and network production workloads that depend … critical network infrastructure at scale and help shape the next generation of compute systems. Key Responsibilities Own the full life cycle of network engineering: design, implementation, and ongoing operations for latency‐sensitive and throughput‐heavy environments. Support large, distributed networks with expert knowledge of routing, switching, and multicast concepts ...

Pega Lead System Architect LSA

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
Description Experience: 10-14 years overall; 3+ years as LSA; 2+ Pega CS end-to-end implementations Role Summary: Design Authority. Owns architecture, quality, performance, security, and DevOps; leads CoE standards and AI enablement. Key Responsibilities Own solution blueprint: case taxonomy, microjourneys, interaction flows, CSR Desktop, Knowledge, and Digital … localization/i18n, responsive behavior. DevOps: Deployment Manager pipelines, product packaging/versioning, branching/merge policy, automated quality gates, rollback patterns. Observability and performance: PDC operating rhythm, PAL/Alerts analysis, log correlation; performance test strategy and tuning. Security & compliance: GDPR-aligned retention/erasure, RBAC/ ...

Pega Lead System Architect LSA

Hiring Organisation
Randstad Technologies
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum
Description Experience: 10-14 years overall; 3+ years as LSA; 2+ Pega CS end-to-end implementations Role Summary: Design Authority. Owns architecture, quality, performance, security, and DevOps; leads CoE standards and AI enablement. Key Responsibilities Own solution blueprint: case taxonomy, microjourneys, interaction flows, CSR Desktop, Knowledge, and Digital … localization/i18n, responsive behavior. DevOps: Deployment Manager pipelines, product packaging/versioning, branching/merge policy, automated quality gates, rollback patterns. Observability and performance: PDC operating rhythm, PAL/Alerts analysis, log correlation; performance test strategy and tuning. Security & compliance: GDPR-aligned retention/erasure, RBAC/ ...

Staff Graphics Software Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £150,000 per annum
This is a highly senior, technical IC role focused on real-time graphics, rendering engines, and collaborative editing systems - perfect for engineers who love performance-critical UI platforms and complex client-side architecture. Why this role? Own and shape the core graphics & canvas platform Work on a custom rendering … Lead the technical vision for the canvas and rendering platform Design and ship new capabilities across the editor and real-time collaboration layer Own performance, reliability, and developer experience for internal APIs Prototype and deliver major platform improvements Mentor engineers and drive engineering best practices Influence architecture across ...

Reinforcement Learning (RL) control Engineer

Hiring Organisation
Randstad Digital
Location
City of London, London, United Kingdom
Employment Type
Permanent
based on visual and linguistic context. Trajectory Scaling: Collaborating with teleops teams to transform human trajectories into robust robotic skills through behavior cloning. High-Performance Engineering: Designing and profiling research-grade PyTorch/JAX code to support large-scale, distributed RL infrastructure. Essential Skills Needed Deep Learning Mastery … solving complex, real-world problems using Deep Reinforcement Learning. Technical Rigour: Mastery of Python and PyTorch/JAX, including the ability to profile performance and debug complex numerical stability issues. Robotics Foundation: Practical experience with simulators (Isaac Sim/MuJoCo) and a deep understanding of sim-to-real bottlenecks. ...

Reinforcement Learning RL control Engineer

Hiring Organisation
Randstad Technologies
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £120,000 per annum
based on visual and linguistic context. Trajectory Scaling: Collaborating with teleops teams to transform human trajectories into robust robotic skills through behavior cloning. High-Performance Engineering: Designing and profiling research-grade PyTorch/JAX code to support large-scale, distributed RL infrastructure. Essential Skills Needed Deep Learning Mastery … solving complex, real-world problems using Deep Reinforcement Learning. Technical Rigour: Mastery of Python and PyTorch/JAX, including the ability to profile performance and debug complex numerical stability issues. Robotics Foundation: Practical experience with simulators (Isaac Sim/MuJoCo) and a deep understanding of sim-to-real bottlenecks. ...

Client Development Lead – Emerging Technology & Strategy

Hiring Organisation
Outsmart Insight
Location
Greater London, England, United Kingdom
with – a wide range of emerging technology domains, including: Artificial intelligence and human–machine teaming Robotics and autonomous systems Advanced sensing, haptics and human performance engineering Secure communications and resilient architectures Next-generation materials and energy systems You don’t need to be an expert. You do need … technology-driven organisations Comfort operating without scripts, rigid playbooks or heavy supervision A background in, or strong affinity for, science, engineering or technology The judgement to balance patience with momentum If you describe yourself primarily as a “closer” or are motivated by aggressive targets, this role is unlikely ...

Infrastructure Engineer

Hiring Organisation
ISL Talent
Location
City of London, London, United Kingdom
it. Our platform is used by tier-one banks, hedge funds, and trading firms to identify latency bottlenecks and other issues in high-performance electronic trading environments. Instead of throwing money and hardware at problems, our platform quickly identifies the real issues with insight only a team of trading … system performance engineers and ex-technical traders can provide. We’re now expanding, developing our Cloud/SaaS offering, and scaling globally with support from industry leaders who have already validated our product as a category leader from a technical perspective. The Role We’re looking for a Junior ...

C++ Low-Latency Developer - Leading HFT Firm | London

Hiring Organisation
Selby Jennings
Location
London, England, United Kingdom
advanced high-frequency trading firms. This is a rare opportunity to work at the intersection of cutting-edge technology and global financial markets, where performance is measured in nanoseconds and innovation drives competitive advantage. You'll be part of a team that designs and builds ultra-low latency trading … systems deployed across global exchanges. Your work will directly impact trading performance, and you'll be empowered to push the boundaries of what's possible in software and hardware optimisation. Key Responsibilities Architect and implement high-performance C++ systems with extreme latency sensitivity. Optimise every layer ...