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Staff Engineer

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Onsite

Staff Engineer

Arcesium

Staff Engineer

Skills

PythonJava

1 day ago

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Important information


Contract type:

Permanent

Location:

Stockholm, Sweden

Work mode:

Onsite

Published on:

23 October 2026

What they need


Arcesium is a global financial technology firm that solves complex data-driven challenges faced by some of the world’s most sophisticated financial institutions. We constantly innovate our platform and capabilities to meet tomorrow’s challenges, anticipate the risks our clients encounter, and design advanced solutions to help our clients achieve transformational business outcomes.

Financial technology is a high-growth industry as change and innovation continue to disrupt the status-quo and prompt major transformation. Arcesium is at a particularly interesting time in our own growth as we look to leverage our successfully established market position and expand operations in pursuit of strategic new business opportunities. We value intellectual curiosity, proactive ownership, and collaboration with colleagues, and we empower you to meaningfully contribute from day one and accelerate your professional development.

What you will work on

  • Compute-intensive services that run calculations over large numbers of instruments and inputs.
  • Distributed, event-driven systems that combine results across large portfolio hierarchies.
  • Market and reference data that has to be checked and transformed before it can be used.
  • Representing how financial instruments behave across asset classes.
  • Integrating third-party libraries.
  • Mentoring engineers and setting the bar for design, testing and code review.

What you bring

  • 10+ years of professional software development in C++, Java or Python.
  • A proven track record of performance-critical, high-volume systems in production.
  • Experience with parallel and distributed computing, messaging and event-driven architectures.
  • A solid grounding in financial mathematics and in financial instruments across asset classes.
  • A degree in mathematics, physics, engineering, computer science or similar.

Nice to have

  • Experience from investment management, trading or capital markets, close to the front office.
  • Experience with cloud-native platforms.

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