1336 linux engineer jobs found

Market Data Support Engineer – Global Proprietary Trading Firm - WFH - London We’re partnered with a global proprietary trading firm that combines advanced technology, data-driven research, and world-class engineering to operate across all major financial markets. With a reputation built on innovation and autonomy, the firm empowers its technologists to design and deliver systems that keep trading operations running with precision and speed. This is a high-impact opportunity to join a tight-knit Market Data Support team, working at the intersection of development, infrastructure, and production support for mission-critical trading systems. The Opportunity You’ll join a small, collaborative team of engineers who’ve transitioned from development into a hands-on support and automation role. The group oversees the market data systems that power real-time decision-making across asset classes — ensuring performance, stability, and reliability in one of the most demanding...

Market Data Support Engineer – Global Proprietary Trading Firm - WFH - London We’re partnered with a global proprietary trading firm that combines advanced technology, data-driven research, and world-class engineering to operate across all major financial markets. With a reputation built on innovation and autonomy, the firm empowers its technologists to design and deliver systems that keep trading operations running with precision and speed. This is a high-impact opportunity to join a tight-knit Market Data Support team, working at the intersection of development, infrastructure, and production support for mission-critical trading systems. The Opportunity You’ll join a small, collaborative team of engineers who’ve transitioned from development into a hands-on support and automation role. The group oversees the market data systems that power real-time decision-making across asset classes — ensuring performance, stability, and reliability in one of the most demanding...

Market Data Support Engineer – Global Proprietary Trading Firm - WFH - London We’re partnered with a global proprietary trading firm that combines advanced technology, data-driven research, and world-class engineering to operate across all major financial markets. With a reputation built on innovation and autonomy, the firm empowers its technologists to design and deliver systems that keep trading operations running with precision and speed. This is a high-impact opportunity to join a tight-knit Market Data Support team, working at the intersection of development, infrastructure, and production support for mission-critical trading systems. The Opportunity You’ll join a small, collaborative team of engineers who’ve transitioned from development into a hands-on support and automation role. The group oversees the market data systems that power real-time decision-making across asset classes — ensuring performance, stability, and reliability in one of the most demanding...

Market Data Support Engineer – Global Proprietary Trading Firm - WFH - London We’re partnered with a global proprietary trading firm that combines advanced technology, data-driven research, and world-class engineering to operate across all major financial markets. With a reputation built on innovation and autonomy, the firm empowers its technologists to design and deliver systems that keep trading operations running with precision and speed. This is a high-impact opportunity to join a tight-knit Market Data Support team, working at the intersection of development, infrastructure, and production support for mission-critical trading systems. The Opportunity You’ll join a small, collaborative team of engineers who’ve transitioned from development into a hands-on support and automation role. The group oversees the market data systems that power real-time decision-making across asset classes — ensuring performance, stability, and reliability in one of the most demanding...

Manual QA Engineer | £50,000 - £65,000 | Wokingham/Hybrid | Linux | SQL | Manual Testing | ALM Octane | JIRA | Test Scripts | Health tech | Tech4Good Are you a Manual tester who enjoys working on complex systems? Do you want to work on software which genuinely helps people? I’m currently supporting a brilliant Healthtech company who harness technology to help doctors and nurses in their day to day roles. They’re currently looking for Manual QA Engineers to join their growing team. The reason for adopting a manual approach is they have various feature changes and due to the complexity of the software this is the best route to go down. You will be heavily involved in all aspects of testing from functional, regression and to system testing. You will execute test plans capturing accurate result, design, build and maintain manual test scripts and plan of multiple releases including version compatibility of different components. Experience needed –...

Manual QA Engineer | £50,000 - £65,000 | Wokingham/Hybrid | Linux | SQL | Manual Testing | ALM Octane | JIRA | Test Scripts | Health tech | Tech4Good Are you a Manual tester who enjoys working on complex systems? Do you want to work on software which genuinely helps people? I’m currently supporting a brilliant Healthtech company who harness technology to help doctors and nurses in their day to day roles. They’re currently looking for Manual QA Engineers to join their growing team. The reason for adopting a manual approach is they have various feature changes and due to the complexity of the software this is the best route to go down. You will be heavily involved in all aspects of testing from functional, regression and to system testing. You will execute test plans capturing accurate result, design, build and maintain manual test scripts and plan of multiple releases including version compatibility of different components. Experience needed –...

Job title: Software Engineer (C++, Python, Java or Rust) Client: Scientific Quant Fund Salary: £150,000 - £500,000 Base (+ Bonus) Location: London / Hybrid My client are seeking a talented Software Engineer who will play a critical role in developing and optimizing high-frequency trading systems, ensuring they operate at peak performance with minimal latency. This is an opportunity to work in a fast-paced, intellectually challenging environment where your contributions will have a direct impact on the firm's success. As a Software Engineer, you will be joining a world class technical team that pride themselves on working with the most cutting edge technologies and you will work and learn from the best. Key Requirements: Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field. 1+ years of professional development experience as a Software Engineer in either C++, Python, Java or Rust. Strong understanding of data structures, algorithms,...

Job title: Software Engineer (C++, Python, Java or Rust) Client: Scientific Quant Fund Salary: £150,000 - £500,000 Base (+ Bonus) Location: London / Hybrid My client are seeking a talented Software Engineer who will play a critical role in developing and optimizing high-frequency trading systems, ensuring they operate at peak performance with minimal latency. This is an opportunity to work in a fast-paced, intellectually challenging environment where your contributions will have a direct impact on the firm's success. As a Software Engineer, you will be joining a world class technical team that pride themselves on working with the most cutting edge technologies and you will work and learn from the best. Key Requirements: Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field. 1+ years of professional development experience as a Software Engineer in either C++, Python, Java or Rust. Strong understanding of data structures, algorithms,...

Job Title: Network Engineer (2-8 Years) Client: Elite Scaling FinTech Firm Salary: Up to £130k + Huge Bonus Location: London Sells: Cutting-edge tech, ownership of multiple greenfield projects, no red tape, a friendly/collaborative environment, beautiful offices! An Elite FinTech Firm is looking for highly talented Network Engineers of all experience levels to join an elite group of talented individuals. This team have an unlimited tech budget, promote a great culture and are made up of fantastic like-minded technologists! Role: Working as part of a team of engineers looking after and building a zero-down time low latency infrastructure Automating anything and everything Work in a project focused team with a chance to work on the most cutting edge technologies on the planet Skills: CCIE or CCNP certifications in R&S/Enterprise Infrastructure Experience in network architecture, design, deployment, etc. where scale and latency are...

Job Title: Network Engineer (2-8 Years) Client: Elite Scaling FinTech Firm Salary: Up to £130k + Huge Bonus Location: London Sells: Cutting-edge tech, ownership of multiple greenfield projects, no red tape, a friendly/collaborative environment, beautiful offices! An Elite FinTech Firm is looking for highly talented Network Engineers of all experience levels to join an elite group of talented individuals. This team have an unlimited tech budget, promote a great culture and are made up of fantastic like-minded technologists! Role: Working as part of a team of engineers looking after and building a zero-down time low latency infrastructure Automating anything and everything Work in a project focused team with a chance to work on the most cutting edge technologies on the planet Skills: CCIE or CCNP certifications in R&S/Enterprise Infrastructure Experience in network architecture, design, deployment, etc. where scale and latency are...

Job title: C++ Software Engineer Client: Elite Prop Trading Firm (HFT team) Salary: £70,000 - £350,000 Base (+ Bonus) Location: London / Hybrid My client are seeking a C++ Software Engineer who will play a critical role in developing and optimizing high-frequency trading systems, ensuring they operate at peak performance with minimal latency. This is an opportunity to work in a fast-paced, intellectually challenging environment where your contributions will have a direct impact on the firm's success. They pride themselves on working with the most cutting edge technologies and boast a world class technical team where you will work and learn from the best. Requirements and Skills: Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field. 2+ years of professional C++ development experience. Strong understanding of data structures, algorithms, and software design principles. Experience with multi-threaded programming and real-time systems....

Job title: C++ Software Engineer Client: Elite Prop Trading Firm (HFT team) Salary: £70,000 - £350,000 Base (+ Bonus) Location: London / Hybrid My client are seeking a C++ Software Engineer who will play a critical role in developing and optimizing high-frequency trading systems, ensuring they operate at peak performance with minimal latency. This is an opportunity to work in a fast-paced, intellectually challenging environment where your contributions will have a direct impact on the firm's success. They pride themselves on working with the most cutting edge technologies and boast a world class technical team where you will work and learn from the best. Requirements and Skills: Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field. 2+ years of professional C++ development experience. Strong understanding of data structures, algorithms, and software design principles. Experience with multi-threaded programming and real-time systems....

Job Title: Network Engineer (2-8 Years) Client: Elite Scaling FinTech Firm Salary: Up to £130k + Huge Bonus Location: London Sells: Cutting-edge tech, ownership of multiple greenfield projects, no red tape, a friendly/collaborative environment, beautiful offices! An Elite FinTech Firm is looking for highly talented Network Engineers of all experience levels to join an elite group of talented individuals. This team have an unlimited tech budget, promote a great culture and are made up of fantastic like-minded technologists! Role: Working as part of a team of engineers looking after and building a zero-down time low latency infrastructure Automating anything and everything Work in a project focused team with a chance to work on the most cutting edge technologies on the planet Skills: CCIE or CCNP certifications in R&S/Enterprise Infrastructure Experience in network architecture, design, deployment, etc. where scale and latency are...

Job Title: Network Engineer (2-8 Years) Client: Elite Scaling FinTech Firm Salary: Up to £130k + Huge Bonus Location: London Sells: Cutting-edge tech, ownership of multiple greenfield projects, no red tape, a friendly/collaborative environment, beautiful offices! An Elite FinTech Firm is looking for highly talented Network Engineers of all experience levels to join an elite group of talented individuals. This team have an unlimited tech budget, promote a great culture and are made up of fantastic like-minded technologists! Role: Working as part of a team of engineers looking after and building a zero-down time low latency infrastructure Automating anything and everything Work in a project focused team with a chance to work on the most cutting edge technologies on the planet Skills: CCIE or CCNP certifications in R&S/Enterprise Infrastructure Experience in network architecture, design, deployment, etc. where scale and latency are...

Job title: Software Engineer (C++, Python, Java or Rust) Client: Scientific Quant Fund Salary: £150,000 - £500,000 Base (+ Bonus) Location: London / Hybrid My client are seeking a talented Software Engineer who will play a critical role in developing and optimizing high-frequency trading systems, ensuring they operate at peak performance with minimal latency. This is an opportunity to work in a fast-paced, intellectually challenging environment where your contributions will have a direct impact on the firm's success. As a Software Engineer, you will be joining a world class technical team that pride themselves on working with the most cutting edge technologies and you will work and learn from the best. Key Requirements: Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field. 1+ years of professional development experience as a Software Engineer in either C++, Python, Java or Rust. Strong understanding of data structures, algorithms,...

Job title: Software Engineer (C++, Python, Java or Rust) Client: Scientific Quant Fund Salary: £150,000 - £500,000 Base (+ Bonus) Location: London / Hybrid My client are seeking a talented Software Engineer who will play a critical role in developing and optimizing high-frequency trading systems, ensuring they operate at peak performance with minimal latency. This is an opportunity to work in a fast-paced, intellectually challenging environment where your contributions will have a direct impact on the firm's success. As a Software Engineer, you will be joining a world class technical team that pride themselves on working with the most cutting edge technologies and you will work and learn from the best. Key Requirements: Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field. 1+ years of professional development experience as a Software Engineer in either C++, Python, Java or Rust. Strong understanding of data structures, algorithms,...

Cloud Ops Engineer (Azure, IaC) - Glasgow or Edinburgh - 50K plus 10% Bonus & more *Hybrid - 2 days per week in either Central Glasgow/Central Edinburgh, whichever suits you) *Broad Azure knowledge and hands-on IaC skills (Terraform/Ansible/similar) skills required* The Opportunity Lorien's longstanding client is looking for a Cloud Operations Engineer who’s excited by the challenge of keeping cloud infrastructure running smoothly, securely, and efficiently. You’ll join a collaborative team responsible for the deployment, automation, and support of the cloud platforms behind growing SaaS products at the core of a growing and evolving organisation. This is a role for someone who enjoys both the fast pace of operational work and the structure of long-term infrastructure projects - all while working with modern tools in a supportive, people-focused environment. What You’ll Be Doing Every day will bring something different. You’ll spend time building...

Cloud Ops Engineer (Azure, IaC) - Glasgow or Edinburgh - 50K plus 10% Bonus & more *Hybrid - 2 days per week in either Central Glasgow/Central Edinburgh, whichever suits you) *Broad Azure knowledge and hands-on IaC skills (Terraform/Ansible/similar) skills required* The Opportunity Lorien's longstanding client is looking for a Cloud Operations Engineer who’s excited by the challenge of keeping cloud infrastructure running smoothly, securely, and efficiently. You’ll join a collaborative team responsible for the deployment, automation, and support of the cloud platforms behind growing SaaS products at the core of a growing and evolving organisation. This is a role for someone who enjoys both the fast pace of operational work and the structure of long-term infrastructure projects - all while working with modern tools in a supportive, people-focused environment. What You’ll Be Doing Every day will bring something different. You’ll spend time building...

Full-Time · Hybrid · Bristol (UK) or surrounding areas Do you thrive on solving infrastructure challenges and designing resilient systems? Are you excited by the idea of being the first dedicated DevOps/Platform Engineer in a growing, high-impact team? Looking for an opportunity where your decisions shape the future of development, deployment, and monitoring infrastructure? A Unique Career Opportunity Our client is seeking a DevOps Engineer to take ownership of a broad, stimulating technical landscape that blends infrastructure automation, monitoring, deployment strategy, and CI/CD tooling. You will be the first dedicated DevOps professional in the team, stepping into a high-impact role previously shared between software engineers and IT specialists. This is your opportunity to shape foundational systems that support ambitious engineering and scientific innovation. Why This Role is Great In this role, you'll enjoy: Autonomy from day one as you take...

Full-Time · Hybrid · Bristol (UK) or surrounding areas Do you thrive on solving infrastructure challenges and designing resilient systems? Are you excited by the idea of being the first dedicated DevOps/Platform Engineer in a growing, high-impact team? Looking for an opportunity where your decisions shape the future of development, deployment, and monitoring infrastructure? A Unique Career Opportunity Our client is seeking a DevOps Engineer to take ownership of a broad, stimulating technical landscape that blends infrastructure automation, monitoring, deployment strategy, and CI/CD tooling. You will be the first dedicated DevOps professional in the team, stepping into a high-impact role previously shared between software engineers and IT specialists. This is your opportunity to shape foundational systems that support ambitious engineering and scientific innovation. Why This Role is Great In this role, you'll enjoy: Autonomy from day one as you take...