C Developer

Rayleigh Research Oy
Full-time Helsinki, Uusimaa Other-General
Posted:
February 22, 2026
Location:
Helsinki, Uusimaa, Finland

Job Description

Rayleigh Research are a startup company headquartered in Helsinki, Finland, combining
artificial intelligence
in financial markets of digital assets with
decentralised
technolog. The Company have a background in automated trading, simulations, and combining AI with big data.

The company are looking for highly motivated and skilled programmers to help to scale up the operations, offering great opportunities to build groundbreaking software in DeFi. The candidate would be responsible for helping to build an exchange with the help from other coders.

This role requires the candidate to create efficiently operating network solutions in
modern C++ (or Rust)
and beyond.
Understanding of how modern exchanges and LOBs work, including creating and updating an efficient
networking solution,
is as central as producing low latency.

Requirements:

  • Candidates with strong background in Rust and blockchain are preferred in addition to strong...

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Job Overview

Job Type: Full-time
Location: Helsinki, Finland
Posted: February 22, 2026
Deadline: April 03, 2026