4 Trading Systems jobs in the United Kingdom
Trading Systems Engineer (Rust) | Remote
London, London
Selby Jennings
Posted today
Job Viewed
Job Description
Direct message the job poster from Selby JenningsnWe're looking for a technically sharp engineer to help build the next generation of trading infrastructure.nIf you're passionate about
low-latency systems ,
exchange integrations , and
performance optimisation , this is a chance to work on greenfield projects with real-world impact.nWhat you'll be working on:nHigh-performance trading infrastructurenIntegrations with major exchangesnOptimising latency and throughput across the stacknIdeal background:nExperience in
trading systems ,
HFT ,
crypto , or
low-latency engineeringnStrong systems programming skills -
Rust
preferred,
C++
acceptablenComfortable in fast-paced, high-ownership environmentsnCash BonusnEquity (Stock Options)nThis is a
remote-first
role within a small, elite team. You'll report directly to technical leadership and have a major say in architecture and direction.nIf you're ready to build something meaningful and technically challenging, apply now!nSeniority level
Seniority level Not ApplicablenEmployment type
Employment type Full-timenJob function
Job function FinancenIndustries Capital Markets, Financial Services, and Investment ManagementnReferrals increase your chances of interviewing at Selby Jennings by 2xnGet notified about new Senior Software Engineer jobs in
London, England, United Kingdom .nLondon, England, United Kingdom 1 week agonSenior Engineer with Work-Life Balance (TypeScript, Node.js, React)
London, England, United Kingdom 3 weeks agonLondon, England, United Kingdom $140,000.00-$70,000.00 4 days agonLondon, England, United Kingdom 1 month agonLondon, England, United Kingdom 1 month agonLondon, England, United Kingdom 3 weeks agonLondon, England, United Kingdom 1 month agonSenior Backend Software Engineer - London
London, England, United Kingdom 2 days agonLondon, England, United Kingdom 2 weeks agonSenior Software Engineer - Age of Empires (Remote)
London, England, United Kingdom 2 months agonLondon, England, United Kingdom 1 month agonLondon, England, United Kingdom 9 months agonLondon, England, United Kingdom 8 months agonLondon, England, United Kingdom 1 month agonLondon, England, United Kingdom 2 days agonLondon, England, United Kingdom 1 month agonLondon, England, United Kingdom 1 month agonLondon, England, United Kingdom 2 weeks agonLondon, England, United Kingdom 3 weeks agonLondon, England, United Kingdom 3 days agonSenior Frontend Software Engineer - Growth
London, England, United Kingdom 4 days agonLondon, England, United Kingdom 1 month agonLondon, England, United Kingdom 2 weeks agonContract Senior Software Engineer (Vue.js / Typescript)
London, England, United Kingdom 1 week agonLondon, England, United Kingdom 6 days agonLondon, England, United Kingdom 1 week agonSenior Software Engineer, Web Cross-platform (12-month fixed term contract, renewable or B2B)
London, England, United Kingdom 1 month agonLondon, England, United Kingdom 48,000.00- 96,000.00 4 weeks agonSenior Frontend Developer - Remote - £110,000
London, England, United Kingdom 2 weeks agonLondon, England, United Kingdom 1 month agonSenior Software Engineer - MySQL (Remote)
London, England, United Kingdom 4 months agonLondon, England, United Kingdom 2 months agonLondon, England, United Kingdom 1 month agonWe’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI.
#J-18808-Ljbffrn
low-latency systems ,
exchange integrations , and
performance optimisation , this is a chance to work on greenfield projects with real-world impact.nWhat you'll be working on:nHigh-performance trading infrastructurenIntegrations with major exchangesnOptimising latency and throughput across the stacknIdeal background:nExperience in
trading systems ,
HFT ,
crypto , or
low-latency engineeringnStrong systems programming skills -
Rust
preferred,
C++
acceptablenComfortable in fast-paced, high-ownership environmentsnCash BonusnEquity (Stock Options)nThis is a
remote-first
role within a small, elite team. You'll report directly to technical leadership and have a major say in architecture and direction.nIf you're ready to build something meaningful and technically challenging, apply now!nSeniority level
Seniority level Not ApplicablenEmployment type
Employment type Full-timenJob function
Job function FinancenIndustries Capital Markets, Financial Services, and Investment ManagementnReferrals increase your chances of interviewing at Selby Jennings by 2xnGet notified about new Senior Software Engineer jobs in
London, England, United Kingdom .nLondon, England, United Kingdom 1 week agonSenior Engineer with Work-Life Balance (TypeScript, Node.js, React)
London, England, United Kingdom 3 weeks agonLondon, England, United Kingdom $140,000.00-$70,000.00 4 days agonLondon, England, United Kingdom 1 month agonLondon, England, United Kingdom 1 month agonLondon, England, United Kingdom 3 weeks agonLondon, England, United Kingdom 1 month agonSenior Backend Software Engineer - London
London, England, United Kingdom 2 days agonLondon, England, United Kingdom 2 weeks agonSenior Software Engineer - Age of Empires (Remote)
London, England, United Kingdom 2 months agonLondon, England, United Kingdom 1 month agonLondon, England, United Kingdom 9 months agonLondon, England, United Kingdom 8 months agonLondon, England, United Kingdom 1 month agonLondon, England, United Kingdom 2 days agonLondon, England, United Kingdom 1 month agonLondon, England, United Kingdom 1 month agonLondon, England, United Kingdom 2 weeks agonLondon, England, United Kingdom 3 weeks agonLondon, England, United Kingdom 3 days agonSenior Frontend Software Engineer - Growth
London, England, United Kingdom 4 days agonLondon, England, United Kingdom 1 month agonLondon, England, United Kingdom 2 weeks agonContract Senior Software Engineer (Vue.js / Typescript)
London, England, United Kingdom 1 week agonLondon, England, United Kingdom 6 days agonLondon, England, United Kingdom 1 week agonSenior Software Engineer, Web Cross-platform (12-month fixed term contract, renewable or B2B)
London, England, United Kingdom 1 month agonLondon, England, United Kingdom 48,000.00- 96,000.00 4 weeks agonSenior Frontend Developer - Remote - £110,000
London, England, United Kingdom 2 weeks agonLondon, England, United Kingdom 1 month agonSenior Software Engineer - MySQL (Remote)
London, England, United Kingdom 4 months agonLondon, England, United Kingdom 2 months agonLondon, England, United Kingdom 1 month agonWe’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI.
#J-18808-Ljbffrn
This advertiser has chosen not to accept applicants from your region.
0
Senior AWS Security Engineer - Trading Systems
London, London
Client Server
Posted today
Job Viewed
Job Description
Overview
Senior AWS Security Engineer - Trading Systems
at
Client Server . Do you have expertise with secure coding practices and application security? You could be progressing your career in a senior, hands-on role at a global systematic trading firm.nResponsibilities
Drive automated security processes, influence architecture and lead strategic security projects.nCollaborate with IT, cloud and engineering teams to implement security solutions for low-latency systems and multi-cloud platforms (AWS, Azure, hybrid).nWork with Python, C++, Kotlin/Java environments to ensure robust protection that supports high-speed, data-driven operations.nConduct threat modelling, vulnerability assessments and security code reviews across platforms.nEmbed security across the development lifecycle and provide mentorship and training on security best practices.nLocation
Location / WFH: You'll join colleagues based in high spec offices with free breakfast and lunch, with flexibility to work from home two days a week.nRequirements
Expertise with AWS security.nStrong experience with product security, secure coding practices and application development experience with languages such as Python, C++, Rust, Go and Kotlin / Java.nStrong knowledge of software development, system architecture and security tools.nExperience securing both Linux and Windows based systems.nExperience integrating security scanning tools into CI/CD pipelines and runtime environments.nExperience within a trading / financial services environment.nDegree educated in Computer Science or similar technical discipline.nWhat’s In It For You
Salary to £160knSignificant BonusnPensionnPrivate Healthcaren25 days holidaynOpportunity to work on Greenfield systemsnContinual learning and development opportunitiesnApply now
to find out more about this Senior AWS Security Engineer opportunity.nAt Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We’re an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.
#J-18808-Ljbffrn
Senior AWS Security Engineer - Trading Systems
at
Client Server . Do you have expertise with secure coding practices and application security? You could be progressing your career in a senior, hands-on role at a global systematic trading firm.nResponsibilities
Drive automated security processes, influence architecture and lead strategic security projects.nCollaborate with IT, cloud and engineering teams to implement security solutions for low-latency systems and multi-cloud platforms (AWS, Azure, hybrid).nWork with Python, C++, Kotlin/Java environments to ensure robust protection that supports high-speed, data-driven operations.nConduct threat modelling, vulnerability assessments and security code reviews across platforms.nEmbed security across the development lifecycle and provide mentorship and training on security best practices.nLocation
Location / WFH: You'll join colleagues based in high spec offices with free breakfast and lunch, with flexibility to work from home two days a week.nRequirements
Expertise with AWS security.nStrong experience with product security, secure coding practices and application development experience with languages such as Python, C++, Rust, Go and Kotlin / Java.nStrong knowledge of software development, system architecture and security tools.nExperience securing both Linux and Windows based systems.nExperience integrating security scanning tools into CI/CD pipelines and runtime environments.nExperience within a trading / financial services environment.nDegree educated in Computer Science or similar technical discipline.nWhat’s In It For You
Salary to £160knSignificant BonusnPensionnPrivate Healthcaren25 days holidaynOpportunity to work on Greenfield systemsnContinual learning and development opportunitiesnApply now
to find out more about this Senior AWS Security Engineer opportunity.nAt Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We’re an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.
#J-18808-Ljbffrn
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1
Linux Engineer - build/tune some of the world's fastest trading systems - up to £250k Base + Bonuses
London, London
Saragossa
Posted today
Job Viewed
Job Description
Linux Engineer - build/tune some of the world's fastest trading systemsnThis range is provided by Saragossa. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.
OverviewnThis is not a Sys Admin role.
This role is for elite engineers with strong coding ability, that are embedded within the Linux ecosystem.
Responsibilities
Build and fine-tune the Linux OS that underpins some of the world’s fastest trading systems.
Focus on ultra-low latency, bare metal performance, and kernel-level problem solving, alongside writing and debugging C++, Python, or Golang code.
Your work will span memory management, CPU scheduling, kernel tuning, and virtualization using KVM.
Help manage and optimise on‑prem Kubernetes environments supporting critical trading infrastructure.
Collaborate with quants and custom hardware teams (including GPUs and a proprietary network stack) to extract every microsecond of performance.
Work on complex, open-ended problems that may take weeks or months to resolve.
Details
Location: London – fully onsite
Base pay range: up to £250k base + bonuses. The budget is open to attract the best engineers, and compensation includes a generous base salary + guaranteed bonus (roughly a 60/40 split).
Salary is based on skills and experience.
Seniority
Mid-Senior level
Employment type
Full-time
Job function
Information Technology
Industries
Capital Markets, Investment Management, and Securities and Commodity Exchanges
#J-18808-Ljbffrn
OverviewnThis is not a Sys Admin role.
This role is for elite engineers with strong coding ability, that are embedded within the Linux ecosystem.
Responsibilities
Build and fine-tune the Linux OS that underpins some of the world’s fastest trading systems.
Focus on ultra-low latency, bare metal performance, and kernel-level problem solving, alongside writing and debugging C++, Python, or Golang code.
Your work will span memory management, CPU scheduling, kernel tuning, and virtualization using KVM.
Help manage and optimise on‑prem Kubernetes environments supporting critical trading infrastructure.
Collaborate with quants and custom hardware teams (including GPUs and a proprietary network stack) to extract every microsecond of performance.
Work on complex, open-ended problems that may take weeks or months to resolve.
Details
Location: London – fully onsite
Base pay range: up to £250k base + bonuses. The budget is open to attract the best engineers, and compensation includes a generous base salary + guaranteed bonus (roughly a 60/40 split).
Salary is based on skills and experience.
Seniority
Mid-Senior level
Employment type
Full-time
Job function
Information Technology
Industries
Capital Markets, Investment Management, and Securities and Commodity Exchanges
#J-18808-Ljbffrn
This advertiser has chosen not to accept applicants from your region.
2
Senior Systems Engineer Linux - Trading
London, London
Client Server
Posted today
Job Viewed
Job Description
Overview
Senior Systems Engineer (Linux) – London / WFH to £150k . Do you have expertise with Linux? You could be progressing your career at a highly profitable High Frequency Trading firm that specialises in crypto markets.nAs a Senior Systems Engineer you will provide day-to-day technical support to end users, manage the organisation's user accounts, network equipment and servers, and be responsible for hardware and software including setup, upgrades and maintenance as well as managing hardware and software vendors. You will also participate in designing IT infrastructure for new business initiatives and assist with the adoption of new technologies.nLocation / Hybrid : Youll join the team in Central London with flexibility to work from home twice a week (please note there is an on-call requirement).nAbout You
You are degree educated in a technical disciplinenYou have strong experience in a similar Linux Systems Engineer rolenYou have expertise with Linux including installation, configuration and troubleshootingnYou have experience of leading or mentoring othersnYou have strong bash or Python scripting skillsnYou're familiar with cloud computing concepts and technologiesnYou're collaborative and pragmatic with great communication and stakeholder management skillsnWhats In It For You
As a Senior Systems Engineer (Linux) you will receive a competitive package:nSalary to £120knBonus (c.50% of base)nPensionnHybrid workingnCareer progressionnApply
Apply now to find out more about this Senior Systems Engineer (Linux) opportunity.nRef: PR/ /A/KSnAt Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We are an equal opportunities employer and will not discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.nSeniority level
Mid-Senior levelnEmployment type
Full-timenJob function
Information TechnologynIndustries
Staffing and RecruitingnLondon, England, United Kingdom
#J-18808-Ljbffrn
Senior Systems Engineer (Linux) – London / WFH to £150k . Do you have expertise with Linux? You could be progressing your career at a highly profitable High Frequency Trading firm that specialises in crypto markets.nAs a Senior Systems Engineer you will provide day-to-day technical support to end users, manage the organisation's user accounts, network equipment and servers, and be responsible for hardware and software including setup, upgrades and maintenance as well as managing hardware and software vendors. You will also participate in designing IT infrastructure for new business initiatives and assist with the adoption of new technologies.nLocation / Hybrid : Youll join the team in Central London with flexibility to work from home twice a week (please note there is an on-call requirement).nAbout You
You are degree educated in a technical disciplinenYou have strong experience in a similar Linux Systems Engineer rolenYou have expertise with Linux including installation, configuration and troubleshootingnYou have experience of leading or mentoring othersnYou have strong bash or Python scripting skillsnYou're familiar with cloud computing concepts and technologiesnYou're collaborative and pragmatic with great communication and stakeholder management skillsnWhats In It For You
As a Senior Systems Engineer (Linux) you will receive a competitive package:nSalary to £120knBonus (c.50% of base)nPensionnHybrid workingnCareer progressionnApply
Apply now to find out more about this Senior Systems Engineer (Linux) opportunity.nRef: PR/ /A/KSnAt Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We are an equal opportunities employer and will not discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.nSeniority level
Mid-Senior levelnEmployment type
Full-timenJob function
Information TechnologynIndustries
Staffing and RecruitingnLondon, England, United Kingdom
#J-18808-Ljbffrn
This advertiser has chosen not to accept applicants from your region.
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