Senior Java, C#, React & Calypso

Vistulo Remote

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Posted 02 Oct 2026
Last seen 02 Oct 2026
Location Remote
Lifecycle fresh
Grade C
This listing scored 58/100, which is a C. It lost the most ground on pay transparency. See the breakdown

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This listing does not state a salary

$125k – $188k

That is the middle half of what comparable roles paid on this board over the last 90 days — 59 listings that did publish a figure, median $160k. It is not this employer's offer, and we have no idea what they pay. It is only what the rest of the market advertised.

What this role involves →

hn-hiring

engineers, Calypso BA/PO| REMOTE (Poland or Romania) | B2B contract, pay ranges below

Vistulo hires engineers in Poland to work on trading systems for capital-markets clients. All roles below are with a top North American bank: actively developed front-office systems (algorithmic order management and routing, FX, fixed income, and one of the largest Calypso deployments in the world). You work alongside the original engineering team in North America and Europe. This is core product work, not legacy support. Long-term and fully remote, with overlap with US Eastern hours (6h for the trading roles; some roles work full ET hours for the first ~2 months of onboarding).
- Senior Java Trading Systems Engineer (microsecond-latency OMS/order routing, equities/options/FX), 270–300 PLN/hr, remote from Poland or Romania: https://ats.vistulo.com/roles/253cbd69-1019-4547-93b6-6ef8dbc9e771/java-trading-systems-engineer-2026-06/hn/
- Senior C# Trading Systems Engineer (.NET, FIX, low-latency, 7+ yrs), 250–280 PLN/hr, remote from Poland or Romania: https://ats.vistulo.com/roles/a7986cb1-7531-4376-9f07-8dfa11e965c7/sr-c-trading-engineer-2026-07/hn/
- Calypso Developer (Java, FX, fixed income), remote from Poland or Romania, 240–270 PLN/hr: https://ats.vistulo.com/roles/0b4668c6-525e-4d41-8c6a-f6a8b2f09b34/calypso-dev-2026-08/hn/
- Java Backend Engineer (event-driven distributed systems, 6+ yrs), 220–240 PLN/hr, remote from Poland or Romania,: https://ats.vistulo.com/roles/64866447-8224-49ab-b655-5c2f894dc491/java-backend-engineer-2026-09/hn/
- Senior React Frontend Developer (React/TypeScript, fixed income trading flows, RFQ a plus), 220–250 PLN/hr, remote from Poland or Romania,: https://ats.vistulo.com/roles/1f5cb00f-791b-4491-a189-32a272309aaa/sr-react-with-fi-2026-06/hn/
- Business Analyst / Product Owner, Calypso (Calypso v17+, IR & credit derivatives, back office), 200–240 PLN/hr, remote from Poland or Romania: https://ats.vistulo.com/roles/54c7dcf3-d40a-4d1f-8073-ee99c65404c5/calypso-ba-2026-08/hn/
Apply via the links above. Questions: [email protected].

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Where this listing came from

  1. 02 Oct 2026 Hacker News first sighting

Seen on 1 board over 7 days.