11 of 11 Permanent Performance Engineering Jobs in the City of London

Head of Engineering

Hiring Organisation
bloom
Location
City of London, London, United Kingdom
Engineering Leader | AI-Native B2B SaaS | London (Hybrid) Package: £150,000-£200,000 + meaningful equity Location: London (hybrid, in-person collaboration encouraged) bloom has partnered with a high-growth, AI-native B2B SaaS startup that’s rethinking how modern teams operate in one of the most fundamental areas … outstanding founding team from some of the world’s most successful companies 🚀 This is a rare opportunity to step in as the most senior engineering leader , owning the function end-to-end at a pivotal moment of scale. With an established engineering presence across Europe, the business ...

Site Reliability Engineer

Hiring Organisation
Autonomai Recruitment
Location
City of London, London, United Kingdom
close to the metal. They will operate across everything from bare-metal Linux to modern build and observability stacks . Overview Join a core engineering group as Lead Site Reliability Engineer, designing and scaling Linux platforms that underpin ML/AI-driven trading. You will architect and own reliability … platform SRE excellence. Key Responsibilities Lead SRE practices for Linux platforms powering low-latency, high-throughput trading workloads. Architect, optimize, and tune Linux for performance, resilience, and minimal latency. Drive incident response, root cause analysis, and continuous reliability improvement across production systems. Oversee system automation and reproducibility—build, deploy ...

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 ...

Artificial Intelligence Engineer

Hiring Organisation
Omnis Partners
Location
City of London, London, United Kingdom
Principal Engineer – Agentic AI Systems 🚀 Start-up-style engineering team inside a global consulting powerhouse 🚀 Peer group of world-class AI engineers and researchers 🚀 Own and build production-grade multi-agent systems end-to-end 🚀 High-velocity environment with huge technical autonomy 💸 £160k – £220k + bonus 📍 UK-wide flexible … Forward Deployed Engineer , Principal/Staff AI Engineer , or Member of Technical Staff who’s ready to lead technically , own architecture, and guide an engineering team—without stepping into corporate exec-land. You’ll set technical direction, define engineering standards, and stay extremely close to the codebase while ...

Network 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 ...

C++ Software Developer

Hiring Organisation
Ncounter LTD
Location
City of London, London, United Kingdom
Employment Type
Permanent
C++ Software Developer, Risk Technology £160,000 to £170,000 Join a high-performance engineering group responsible for the systems that sit at the heart of a global trading operation. This team owns the core risk platform, handling everything from trade intake and real time position tracking … under load, propagate risk metrics across internal systems and support a front office that depends on accuracy and speed. You will work in an engineering culture that values clarity, simplicity and strong design. Expect to collaborate with colleagues across regions, refine performance at a system level and contribute ...

Network Automation Engineer

Hiring Organisation
Iceberg
Location
City of London, London, United Kingdom
Benefits I am supporting a high-growth connectivity and digital infrastructure organisation that is building out its automation capability within a highly technical network engineering team. They are looking for a Network Automation Engineer who comes from a strong networking foundation and has evolved into automation, scripting and DevOps … style delivery. You will be joining an engineering group of seven, where two members currently focus on automation and five are pure networking specialists. This hire acts as the bridge between both - enabling scalable, reliable and repeatable deployments across complex infrastructure environments. This role suits someone who enjoys rolling ...

Enterprise Networks & Security Architect

Hiring Organisation
Reed Professional Services
Location
City of London, London, United Kingdom
/SD-WAN architecture and design. Proficiency in routing & switching (L2/L3), and Wi-Fi controllers/enterprise deployments. Expertise in network performance engineering, including capacity planning, QoS, and traffic engineering. Strong background in security, including firewalls, VPNs, IDS/IPS, secure segmentation, and Zero Trust architecture. ...

C++ Software Developer

Hiring Organisation
Ncounter LTD
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 100,000 Annual
C++ Software Developer, Risk Technology £160,000 to £170,000 Join a high-performance engineering group responsible for the systems that sit at the heart of a global trading operation. This team owns the core risk platform, handling everything from trade intake and real time position tracking ...

Tech Support - Performance Engineer – Automated Workflow Platform Support.

Hiring Organisation
Dexian Europe
Location
City of London, London, United Kingdom
seek to join our Dexian embedded team supporting our client, a market leader in the arena of cloud platform workforce automation applications, a Performance Support Engineer – Platform Technologies. This is a full-time employee role that is hybrid. The client is in West London at the beginning … Centers around the world. We are looking for engineers who have a passion for technology, problem-solving and are eager to help customers. The Performance Support Engineer will be responsible for managing and resolving the most challenging issues within our client’s technical Support team focusing on Performance ...

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 ...