C++ Senior Software Engineer (Low-Latency Trading)

Our requirements

• At least 8 years of similar experience
• Modern C++: strong C++14/17 or later (C++20 an advantage), concurrency, memory management, data structures and algorithmic complexity
• Linux development and debugging (GDB, shell scripting)
• C++ unit testing and automated testing frameworks such as Robot Framework
• Python for scripting, test automation and tooling
• Git workflows, CI/CD pipelines and Ansible
• L3 production support for business-critical systems
• Confidence using AI coding assistants such as GitHub Copilot
• Fluent English
• Polish or EU citizenship, or a permanent residence / work permit valid for at least 12 months

Optional

• Low-latency engineering: lock-free data structures, kernel bypass (DPDK, Solarflare), cache-efficient programming, NUMA optimisation
• Performance profiling: perf, Intel VTune, flame graphs, Google Benchmark
• Hardware-level understanding: CPU caches, branch prediction, memory hierarchies, NICs
• Financial market protocols (FIX, ITCH, OUCH, exchange native APIs) and trading systems (exchange connectivity, smart order routing, algorithmic execution)
• MCP servers / AI workflow automation; monitoring with Corvil, Geneos and PCAP analysis

Your responsibilities

• Design, implement and optimise low-latency C++ components for exchange connectivity and algorithmic trading
• Apply end-to-end engineering practices: analyse trading requirements, deliver new functionality, build automated tests and maintain CI/CD
• Ensure quality, security, reliability and regulatory compliance of the software
• Integrate observability, monitor production, provide L3 support and address root causes of incidents
• Use AI-powered tools such as GitHub Copilot in everyday work and automate repetitive tasks through MCP-based integrations

About the project

This is how we organize our work

This is how we work on a project

• TDD
• Continuous Deployment
• Continuous Integration
• documentation
• issue tracking tools
• test automation
• unit tests

• One interview with the IT services partner, followed by 1–3 interviews with the bank
• Technical tasks are done live: please have your programming environment set up and tested beforehand. The use of AI tools, coding assistants or code generators during interviews is not allowed
• The selected candidate will go through a background check by an external company (HireRight), covering identity, right to work, education and employment history, so the dates and employers in your CV must be accurate
• Your name in the application and CV must match your official ID document exactly (Polish citizens: please include all first names)
• Candidates who took part in a recruitment process for this IT services partner or this bank in the last 12 months cannot be considered

Development opportunities we offer

• external training
• mentoring

Recruitment stages

• 1.
  IT Partner & Bank Interviews
• 2.
  Technical Interview & Live Coding
• 3.
  Background Check
• 4.
  Identity Verification
• 5.
  Eligibility Review

OPTIVEUM SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ