1 to 25 of 26 Performance Engineering Jobs in the South East

working 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 ...

Quality Engineering Location: Remote Role Context We are hiring a senior engineering leader to own test engineering and quality at scale across the organisation. This role has full accountability for quality outcomes across all engineering teams and leads an established function of ~40 engineers. The focus … This is a hands-on, deeply technical leadership role, requiring comfort operating from board-level strategy through to detailed technical discussions. Key Responsibilities Test Engineering Strategy & Ownership Own and evolve the end-to-end Test Engineering strategy. Lead quality across four pillars: Functional & Regression Testing Test Automation Performance ...

Quality Engineering Location: Remote Role Context We are hiring a senior engineering leader to own test engineering and quality at scale across the organisation. This role has full accountability for quality outcomes across all engineering teams and leads an established function of ~40 engineers. The focus … This is a hands-on, deeply technical leadership role, requiring comfort operating from board-level strategy through to detailed technical discussions. Key Responsibilities Test Engineering Strategy & Ownership Own and evolve the end-to-end Test Engineering strategy. Lead quality across four pillars: Functional & Regression Testing Test Automation Performance ...

Quality Engineering Location: Remote Role Context We are hiring a senior engineering leader to own test engineering and quality at scale across the organisation. This role has full accountability for quality outcomes across all engineering teams and leads an established function of ~40 engineers. The focus … This is a hands-on, deeply technical leadership role, requiring comfort operating from board-level strategy through to detailed technical discussions. Key Responsibilities Test Engineering Strategy & Ownership Own and evolve the end-to-end Test Engineering strategy. Lead quality across four pillars: Functional & Regression Testing Test Automation Performance ...

Quality Engineering Location: Remote Role Context We are hiring a senior engineering leader to own test engineering and quality at scale across the organisation. This role has full accountability for quality outcomes across all engineering teams and leads an established function of ~40 engineers. The focus … This is a hands-on, deeply technical leadership role, requiring comfort operating from board-level strategy through to detailed technical discussions. Key Responsibilities Test Engineering Strategy & Ownership Own and evolve the end-to-end Test Engineering strategy. Lead quality across four pillars: Functional & Regression Testing Test Automation Performance ...

Quality Engineering Location: Remote Role Context We are hiring a senior engineering leader to own test engineering and quality at scale across the organisation. This role has full accountability for quality outcomes across all engineering teams and leads an established function of ~40 engineers. The focus … This is a hands-on, deeply technical leadership role, requiring comfort operating from board-level strategy through to detailed technical discussions. Key Responsibilities Test Engineering Strategy & Ownership Own and evolve the end-to-end Test Engineering strategy. Lead quality across four pillars: Functional & Regression Testing Test Automation Performance ...

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 ...

pension + 10% benefit funding + 30 days holiday A leading financial institution is hiring an eFX Software Engineer to build and optimise high-performance trading systems within a low-latency e-trading environment. You'll work as a senior technical contributor within the eFX engineering group, driving … architectural decisions, evolving Java performance patterns, and shaping platform strategy at scale. This role offers significant technical scope, direct impact, and the opportunity to influence system performance, design, and future direction across the e-trading stack. The role You will: Design and engineer fault-tolerant, high-performance ...

lifecycle (encryption, secrets management, logging). Collaborate with product, QA, SRE, and architecture teams to deliver high-quality features in iterative releases. Contribute to performance tuning, resilience testing, and SLAs/SLOs for real-time processing. Write clean, testable code with unit, integration, and contract tests; participate in code … Experience with Hazelcast, Kafka Connect, Schema Registry, or Confluent Platform. Knowledge of security in payments: OAuth2/OpenID Connect, mTLS, HSMs, tokenisation. Background in performance engineering (JMH, Gatling, k6) and chaos/resilience testing. Cloud experience (AWS/GCP/Azure) and infrastructure-as-code (Terraform/Ansible ...

Software Engineer (C++/Java – Trading Systems) | £55,000–£77,000 | Hybrid (London/Remote) Build technology that powers real trading. Join a high-performance engineering team developing low-latency, resilient backend systems used in live trading environments. You’ll work on complex technical challenges from … just writing code in the background. This is a fast-growing fintech where strong engineers progress quickly into Senior, Low-Latency, or Quant-Engineering tracks within 12–24 months. What You’ll Do Design, build, and optimise backend components of real-time trading and risk systems Develop clean, efficient ...

modern finance operates. By pairing deep technical expertise with scientific thinking, you will design platforms that empower advanced research, accelerate discovery and support ambitious engineering at scale. The teams thrive in an environment built for curiosity, rigour and long-term innovation. As a DevSecOps Engineer … written through to deployment, without slowing down delivery. You'll help design, build and maintain secure, scalable and resilient systems that support our engineering community, while continuously shaping best practices across applications, infrastructure and services. Your experience Proficient programming ability in at least one language (Python preferred) Proven experience ...

Lead 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 £130k – £160k + 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 ...

Software Architecture Microservices, monoliths, hexagonal, etc Event sourcing and propagation Distributed systems behaviour (and the trade-offs, latency, redundancy, resilience) Understanding of scalability, reliability, performance engineering, etc Architectural Governance Establishing group architectural patterns without slowing down individual teams or reducing autonomy Creation of reference architectures for others ...

Software Architecture Microservices, monoliths, hexagonal, etc Event sourcing and propagation Distributed systems behaviour (and the trade-offs, latency, redundancy, resilience) Understanding of scalability, reliability, performance engineering, etc Architectural Governance Establishing group architectural patterns without slowing down individual teams or reducing autonomy Creation of reference architectures for others ...

Software Architecture Microservices, monoliths, hexagonal, etc Event sourcing and propagation Distributed systems behaviour (and the trade-offs, latency, redundancy, resilience) Understanding of scalability, reliability, performance engineering, etc Architectural Governance Establishing group architectural patterns without slowing down individual teams or reducing autonomy Creation of reference architectures for others ...

Software Architecture Microservices, monoliths, hexagonal, etc Event sourcing and propagation Distributed systems behaviour (and the trade-offs, latency, redundancy, resilience) Understanding of scalability, reliability, performance engineering, etc Architectural Governance Establishing group architectural patterns without slowing down individual teams or reducing autonomy Creation of reference architectures for others ...

Software Architecture Microservices, monoliths, hexagonal, etc Event sourcing and propagation Distributed systems behaviour (and the trade-offs, latency, redundancy, resilience) Understanding of scalability, reliability, performance engineering, etc Architectural Governance Establishing group architectural patterns without slowing down individual teams or reducing autonomy Creation of reference architectures for others ...

Software Architecture Microservices, monoliths, hexagonal, etc Event sourcing and propagation Distributed systems behaviour (and the trade-offs, latency, redundancy, resilience) Understanding of scalability, reliability, performance engineering, etc Architectural Governance Establishing group architectural patterns without slowing down individual teams or reducing autonomy Creation of reference architectures for others ...

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 ...

C++ ARCA is currently looking for a Senior Software Engineer to join on a short-term contract to help support an automotive/motorsport engineering programme. This role suits someone comfortable working close to real-time systems, networking and performance-critical software, typically found in vehicle platforms, simulation … data or control environments. Key Responsibilities Develop and maintain high-performance C/C++ software Work on concurrent, parallel and asynchronous systems Contribute to distributed, real-time architectures (pub/sub models, time-synchronised systems) Key Skills & Experience Strong C/C++ development Solid understanding of concurrency, multi-threading ...

C++ ARCA is currently looking for a Senior Software Engineer to join on a short-term contract to help support an automotive/motorsport engineering programme. This role suits someone comfortable working close to real-time systems, networking and performance-critical software, typically found in vehicle platforms, simulation … data or control environments. Key Responsibilities Develop and maintain high-performance C/C++ software Work on concurrent, parallel and asynchronous systems Contribute to distributed, real-time architectures (pub/sub models, time-synchronised systems) Key Skills & Experience Strong C/C++ development Solid understanding of concurrency, multi-threading ...

C++ ARCA is currently looking for a Senior Software Engineer to join on a short-term contract to help support an automotive/motorsport engineering programme. This role suits someone comfortable working close to real-time systems, networking and performance-critical software, typically found in vehicle platforms, simulation … data or control environments. Key Responsibilities Develop and maintain high-performance C/C++ software Work on concurrent, parallel and asynchronous systems Contribute to distributed, real-time architectures (pub/sub models, time-synchronised systems) Key Skills & Experience Strong C/C++ development Solid understanding of concurrency, multi-threading ...

C++ ARCA is currently looking for a Senior Software Engineer to join on a short-term contract to help support an automotive/motorsport engineering programme. This role suits someone comfortable working close to real-time systems, networking and performance-critical software, typically found in vehicle platforms, simulation … data or control environments. Key Responsibilities Develop and maintain high-performance C/C++ software Work on concurrent, parallel and asynchronous systems Contribute to distributed, real-time architectures (pub/sub models, time-synchronised systems) Key Skills & Experience Strong C/C++ development Solid understanding of concurrency, multi-threading ...

C++ ARCA is currently looking for a Senior Software Engineer to join on a short-term contract to help support an automotive/motorsport engineering programme. This role suits someone comfortable working close to real-time systems, networking and performance-critical software, typically found in vehicle platforms, simulation … data or control environments. Key Responsibilities Develop and maintain high-performance C/C++ software Work on concurrent, parallel and asynchronous systems Contribute to distributed, real-time architectures (pub/sub models, time-synchronised systems) Key Skills & Experience Strong C/C++ development Solid understanding of concurrency, multi-threading ...

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 ...