Average Software Engineer salary in the UK

Looking to build ultra-high-performance systems used by millions, while working fully remote in one of the most exciting spaces in tech?Software Engineer (C++) - Leading Crypto Trading Platform Salary: up to £160k + bonus + RSUs Location: Fully Remote in UK & IrelandWe're partnered with a globally recognised crypto exchange that has been at the forefront of the industry since its early days. As they continue scaling their trading infrastructure, they're looking for Software Engineers to join their Trading Technology team.This is a unique opportunity to work on the core of a world-class trading platform, developing systems that demand extreme performance, reliability, and scalability in a low-latency, high-throughput environment.What you'll be working on:Designing and building components of a high-performance trading engineDeveloping low-latency, highly available backend servicesScaling systems to handle large volumes of real-time transactionsEnhancing performance across critical infrastructure (CPU, memory, network)Collaborating with distributed teams across a modern, multi-language stackTech environment:C++ (core language)Linux systemsExposure to Go, Rust, PythonDistributed systems & concurrent programmingLow latency / high throughput architecturesWe're looking for engineers with:Strong experience in C++ developmentBackground in high-performance, concurrent or distributed systemsExperience working in Linux environmentsInterest in trading systems, financial markets, or crypto (beneficial)A proactive mindset with the ability to work in a fast-paced, remote-first teamWhy this opportunity stands out:Fully remote, globally distributed engineering teamCompetitive bonus + RSU packageWork on mission-critical systems at scaleBe part of a company driving forward the adoption of digital assetsLearn from and collaborate with some of the best engineers in the spaceIf you're excited by complex engineering challenges and want to build technology at the heart of global financial systems, this could be the move for you. Apply now Please note: You must have the right to work in the UK to be considered.

Senior Software Engineer JavaScript, C++, Linux, IoT, Kubernetes, MicroservicesSouthampton, Romsey, Hampshire (Onsite)£65,000 - £75,000 + pension & benefits Are you a talented Software Engineer who thrives on solving real-world problems with cutting-edge technology?This is an opportunity to join a talented engineering team building advanced, real-time software systems used in safety-critical environments worldwide. You'll be working at the intersection of enterprise software, IoT, and data-driven decision-making; developing solutions that genuinely make a difference.Why this role is excitingThis isn't just another enterprise software role.You'll be working on a sophisticated platform that connects physical devices (IoT) with real-time data processing, delivering actionable insights through modern web applications. The systems you help build are deployed globally and play a vital role in protecting people, infrastructure, and national security.Engineers here consistently highlight exposure to multiple Kubernetes environments (on-prem, cloud, VM-based), working across diverse customer use cases with unique technical challenges, the chance to experiment with new tools, architectures, and AI integrations, and a broad technical landscape spanning microservices, real-time systems, and distributed architectures.Tech environmentKubernetes across on-prem, cloud, and hybrid environments. Microservices architecture with real-time data processing. IoT integrations and telemetry pipelines. Modern web applications (TypeScript / JavaScript). CI/CD, DevOps, and infrastructure as code. Emerging work around AI integration and intelligent features.Why joinWork on meaningful, real-world problems with global impact. Gain exposure to a broad and evolving tech stack. Be part of a team that values innovation, experimentation, and learning. Play a key role in delivering complex solutions to high-profile customers. Collaborate with a highly skilled, mission-driven engineering team.About You - What makes you a great fitWe're looking for experienced software engineers with solid backend programming experience in C++, JavaScript and Object Oriented DesignDeep experience with distributed systems, microservices, and APIs.Experience working with Linux environments and Kubernetes.Solid understanding of connectivity (TCP/IP, device communication, telemetry).A STEM degree is preferred, reflecting the level of technical depth and problem-solving involved.Additional infoDue to the nature of the work, you must be eligible to obtain UK security clearance.Please hit apply to upload your CV or contact for more details and a confidential discussion. Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.

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 + RSUsLocation: Fully RemoteWe are delighted to be continuing our partnership with a globally established crypto exchange, founded in the early days of the space and recognised as a true pioneer within digital assets.They are on a 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 gateways, and APIs, all within a low-latency, high-throughput environment serving millions of users and institutions worldwide.They are looking for the following experience in Senior Software Engineers:Strong C++ development (5+ years)Low latency, high-performance systemsHighly concurrent / distributed systems (Linux environment)Experience within trading, financial markets, or crypto (preferred)Performance optimisation (CPU, memory, network)Understanding of trading systems, order types, or market infrastructureAs a Software Engineer, you will:Build and enhance core components of the trading engineDesign scalable, high-availability systems handling large transaction volumesImprove performance across latency-critical servicesWork on secure, resilient infrastructure protecting systems and dataCollaborate with global teams across multiple tech stacks (C++, Go, Rust, Python)This is a brilliant opportunity to work with a mission-driven company at the forefront of crypto innovation, alongside some of the most experienced engineers in the space.Are you looking to take your engineering career into one of the most exciting and fast-evolving industries while working on truly complex systems? Apply now Please note: You must have the right to work in the UK to be considered.