16 of 16 Remote Performance Engineering Jobs in the South East

Head of Engineering

Hiring Organisation
bloom
Location
Slough, Berkshire, UK
Employment Type
Full-time
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 ...

Software Engineer - eFX

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£140,000 - £160,000 per annum, Inc benefits
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 ...

Java Developer

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
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 ...

Graduate Quant Software Engineer (C++ / Java – Trading Systems) | £55,000–£77,000

Hiring Organisation
IT Graduate Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £77,000 per annum, OTE
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 ...

DevSecOps Engineer, London, Hybrid, Up to £100K

Hiring Organisation
Morgan McKinley
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
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 ...

Senior Software Engineer - C / C++

Hiring Organisation
ARCA
Location
Southampton, UK
Employment Type
Full-time
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 ...

Senior Software Engineer - C / C++

Hiring Organisation
ARCA
Location
High Wycombe, Buckinghamshire, UK
Employment Type
Full-time
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 ...

Senior Software Engineer - C / C++

Hiring Organisation
ARCA
Location
Dartford, Kent, UK
Employment Type
Full-time
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 ...

Senior Software Engineer - C / C++

Hiring Organisation
ARCA
Location
Portsmouth, Hampshire, UK
Employment Type
Full-time
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 ...

Senior Software Engineer - C / C++

Hiring Organisation
ARCA
Location
Reading, Berkshire, UK
Employment Type
Full-time
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 ...

Senior Software Engineer - C / C++

Hiring Organisation
ARCA
Location
Guildford, Surrey, UK
Employment Type
Full-time
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 ...

Senior Software Engineer - C / C++

Hiring Organisation
ARCA
Location
Maidstone, Kent, UK
Employment Type
Full-time
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 ...

Senior Software Engineer - C / C++

Hiring Organisation
ARCA
Location
Slough, Berkshire, UK
Employment Type
Full-time
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 ...

Senior Software Engineer - C / C++

Hiring Organisation
ARCA
Location
Crawley, West Sussex, UK
Employment Type
Full-time
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 ...

Senior Software Engineer - C / C++

Hiring Organisation
ARCA
Location
Brighton, East Sussex, UK
Employment Type
Full-time
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 ...

Enterprise Networks & Security Architect

Hiring Organisation
Reed Professional Services
Location
Slough, Berkshire, UK
Employment Type
Full-time
/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. ...