Senior Java Trading Systems Engineer

Our requirements

• Current Java programming experience, with a strong understanding of programming concepts, including algorithms, complexity, and multi-threading, and Java’s language capabilities and standard libraries.
• Good knowledge of the data structures: familiarity with the Java collections framework, depth of understanding of the commonly used data structures, intuition on what to use when.
• Proven experience building backend services for front-office trading systems.
• Deep understanding of front-office workflows and electronic trading platforms (any asset class).
• Built or contributed to the algorithmic order management systems or order routing systems (any asset class).
• 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 that is required for building low-latency (measured in microseconds) trading systems.
• Ability to align your work with a 6-hour overlap with US Eastern business hours.

Optional

• Exposure to time-series databases and market data integration.
• Familiarity with algorithmic workflows and pricing engines.
• A computer science degree from a top Polish school.

Your responsibilities

• Design and implement robust software solutions for equities and FX trading systems using core Java.
• Build high-performance backend services that algorithmically manage and route orders.
• Create thorough test cases to ensure software stability and reliability.
• Collaborate with operations teams regarding building new features and improving existing functionality.

About the project

This is how we organize our work

Why Join Us?

What we offer

• Work that matters in the financial domain: You’ll be building a high-performance trading system at an established financial institution.
• Professional growth: Collaborate with smart, highly capable developers in a supportive and challenging environment.
• Direct collaboration: You will work directly with the client team in North America and in Poland.
• 1st-tier work: This is not a technical support or legacy maintenance role. The system is functional and is actively being built and you will take part in updating it. The people who built the system are still part of the team.
• Long-term commitment: This is not a fixed-scope or fixed-term outsourcing role; we value people who want to grow and contribute long-term.
• Flexibility & remote work: Fully remote position based in Poland with increasing schedule flexibility post-onboarding.
• Competitive Compensation: Top pay and ample time-off options.

Recruitment stages

• 1.
  Submit your CV
• 2.
  Answer a few written questions
• 3.
  Short programming exercise which you can do at your own pace
• 4.
  Participate in a three-stage interview process:
• 5.
  Written screen
• 6.
  Three technical interviews with future team members:
• 7.
  Discuss your experience and skills
• 8.
  Solve verbal algorithm problems
• 9.
  Tackle live coding challenges (no trick questions).

VISTULO sp. z o.o.