Persistent Systems Jobs

Quantitative Developer - London/Remote40+ leading quant firms seeking top-tier developers. Multiple immediate openings.What you'll do:Build low-latency trading systems and infrastructureDevelop quantitative libraries and research platformsOptimize execution algorithms and risk systemsRequirements:2+ years quant dev or HFT experienceExpert C++/Pytho...

Quantitative Developer - London/Remote40+ leading quant firms seeking top-tier developers. Multiple immediate openings.What you'll do:Build low-latency trading systems and infrastructureDevelop quantitative libraries and research platformsOptimize execution algorithms and risk systemsRequirements:2+ years quant dev or HFT experienceExpert C++/Pytho...

Principal Java Engineer - Microservices / Event-Driven ArchitectureAt a GlancePrincipal-level Java engineering role at a high-growth scaleup Event-driven microservices architecture - leading legacy monolith decomposition Flexible / hybrid working Salary: 75-85k Architecture ownership, mentorship, and real engineering leadership from day one About ...

Java Contractor Location: Belfast (Hybrid - 2 days per week onsite)Contract: 6 MonthsStart Date: Immediate (notice periods accommodated) Join a leading global FinTech organisation developing high-performance, scalable applications in Java. We are seeking an experienced Java Contractor with strong hands-on experience in Google Cloud Platform (G...

The software developer will develop systems and security software for an innovative new Linux-based network security appliance. Working in a small, product focused team, you’ll develop software in a security-conscious environment with a great deal of independence and autonomy.About usHexegic are a leading technical consultancy providing agile multi...

Senior Quantitative Developer – Research Team – Systematic Fund – London – Hybrid – Up to £500k TCMy client is a systematic quantitative fund operating at the highest level of global markets. The kind of firm that benchmarks itself against Jane Street, Two Sigma, and the best technology companies in the world. Research and engineering are inseparab...

Senior Quantitative Developer – Research Team – Systematic Fund – London – Hybrid – Up to £500k TCMy client is a systematic quantitative fund operating at the highest level of global markets. The kind of firm that benchmarks itself against Jane Street, Two Sigma, and the best technology companies in the world. Research and engineering are inseparab...

Principal Python Engineer Northern Ireland ( Remote ) Permanent Full-time Engineering The Opportunity Our client builds software that operates at the sharp end of energy markets ,trading platforms, monitoring systems, and optimisation tools running across the UK, Ireland, and Europe. The infrastructure is complex, the data volumes are serious,...

C# Full Stack Engineer (.NET)Our client is a London‑based investment firm operating in specialist global sports markets. They build proprietary, data‑driven systems that directly support trading and research activities. The environment is highly technical, collaborative, and focused on engineering quality rather than process.They are hiring multipl...

C# Full Stack Engineer (.NET)Our client is a London‑based investment firm operating in specialist global sports markets. They build proprietary, data‑driven systems that directly support trading and research activities. The environment is highly technical, collaborative, and focused on engineering quality rather than process.They are hiring multipl...