Senior Exchange Connectivity Engineer | Crypto

Selby Jennings; Paris; Sur place; EUR 70 000 - 90 000; Plein temps

Résumé du poste

A pioneering financial technology firm is seeking a Senior Exchange Connectivity Engineer to join their Paris HQ. This role focuses on ensuring reliable integrations with major crypto exchanges while contributing to a scalable connectivity framework. Ideal candidates should have 3-5+ years in software engineering and experience with crypto exchanges. This unique opportunity offers a chance to shape digital asset infrastructure in a collaborative environment.

Qualifications

• 3–5+ years of professional software engineering experience.
• Minimum 1 year of hands-on experience integrating with crypto exchanges.
• Strong understanding of networking fundamentals (HTTP, WebSocket, TCP, TLS).
• Proficiency in Rust or a strong C++ background with exposure to Rust.
• Working knowledge of Typescript.

Responsabilités

• Design and implement exchange connectivity modules.
• Optimize order entry, market data ingestion, and account management.
• Contribute to a fault-tolerant, scalable connectivity framework.
• Collaborate with trading, infrastructure, and product teams.
• Monitor, debug, and continuously improve production systems.
• Mentor junior engineers and help shape engineering best practices.

Connaissances

Software engineering experience

Integrating with crypto exchanges

Networking fundamentals

Proficiency in Rust

Working knowledge of Typescript

Description du poste

Senior Exchange Connectivity Engineer | Crypto

We are working with a pioneering financial technology firm that is building a global institution for digital assets, designed from the ground up for market integrity and efficiency. Their disciplined, first‑principles approach underpins everything they do – from institutional liquidity provision and trading solutions to OTC execution and treasury management.

As part of their continued growth, they are seeking a Senior Exchange Connectivity Engineer to join their Paris HQ. This role sits at the heart of their trading infrastructure, focusing on ultra‑reliable, low‑latency integrations with major crypto exchanges.

Key Responsibilities

• Design and implement exchange connectivity modules (REST, WebSocket, FIX, proprietary APIs).
• Optimize order entry, market data ingestion, and account management for performance and reliability.
• Contribute to a fault‑tolerant, scalable connectivity framework using Rust and Typescript.
• Collaborate with trading, infrastructure, and product teams to deliver high‑quality integrations.
• Monitor, debug, and continuously improve production systems.
• Mentor junior engineers and help shape engineering best practices.
• Participate in on‑call rotations and occasional travel as needed.

Ideal Candidate Profile

• 3–5+ years of professional software engineering experience.
• Minimum 1 year of hands‑on experience integrating with crypto exchanges.
• Strong understanding of networking fundamentals (HTTP, WebSocket, TCP, TLS).
• Proficiency in Rust or a strong C++ background with exposure to Rust.
• Working knowledge of Typescript.

Nice to Have

• Experience with Web3 / DeFi protocols.
• Leadership or mentoring experience.
• Familiarity with traditional finance connectivity protocols (ITCH / OUCH / UDP Multicast).

This is a unique opportunity to join a high‑impact team shaping the future of digital asset infrastructure. If you're passionate about building robust systems and thrive in a fast‑paced, collaborative environment, we'd love to hear from you.

Seniority level: Not Applicable

Employment type: Full‑time

Job function: Engineering, Finance, and Information Technology

Location: Paris, Île‑de‑France, France