Senior C# Engineer (Trading Systems)
Fully remote for a top N. American bank (for residents of Poland only), 6-hour overlap with US Eastern business hoursContractSenior
Salary8993 - 10072 CHF per hour b2b currencySource=conversion; 9752 - 10922 EUR per hour b2b currencySource=conversion; 8308 - 9305 GBP per hour b2b currencySource=conversion; 11143 - 12480 USD per hour b2b currencySource=conversion; 42000 - 47040 PLN per hour b2b currencySource=original
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Job Details
- Languages
- English B1 proficiency
- Experience
- 7+ years
- Required Skills
- JavaC#AlgorithmsData Structures.NET
Requirements
- 7+ years of professional C# .NET development experience.
- Strong understanding of programming concepts including algorithms, complexity, and multi-threading.
- Knowledge of Java language capabilities and standard libraries.
- Deep understanding of data structures and the .NET collections library.
- Proven experience building backend services for front-office trading systems.
- Deep understanding of front-office workflows and electronic trading platforms.
- Built or contributed to the development of an electronic trading system.
- Expertise in multi-threading, event-driven systems, and performance tuning.
- Ability to break down complex workflows into maintainable, high-quality solutions.
- Strong communication skills and comfort working in high-stakes, trader-facing environments.
- Knowledge required for building low-latency (microseconds) trading systems.
- Familiarity with the FIX protocol.
- Ability to align work with a 6-hour overlap with US Eastern business hours.
- English proficiency (B1).
Responsibilities
- Design and implement robust software solutions for FX trading systems using C# .NET.
- Collaborate with other teams to research and implement changes to the trading system.
- Create thorough test cases to ensure software stability and reliability.
- Collaborate with operations teams regarding building new features and improving existing functionality.
- Support production issues, including independently completing root-cause analysis and diagnosis.
- Process business requirements with minimal guidance, derive implementation proposals, and implement them with a team or individually.
- Mentor junior developers.
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