TL;DR

Senior Backend Engineer (Rust/C++ – DeFi & Fintech): Lead the architecture and development of the core systems powering a next-generation decentralized exchange (DEX) and network with an accent on resilient, secure, and low-latency systems. Focus on designing systems capable of processing high-frequency trading data in real time.

Location: Fully Remote - EU timezone

Salary: competetive

Company

We are a dynamic, fully remote team with an ambitious roadmap and a relentless drive to redefine the future of finance.

What you will do

Design and maintain the high-throughput order book and indexing systems that power our DEX and network.
Architect event-driven systems and scalable APIs/WebSockets to serve real-time data to UIs and risk dashboards.
Implement advanced failover mechanisms, redundancy, and disaster recovery plans to ensure 24/7 uptime.
Protect backend systems against sophisticated attack patterns, including DDoS, data breaches, and injection attacks.
Define storage strategies that balance the trade-offs between relational databases, key-value stores, and messaging queues.
Lead comprehensive testing strategies (load, performance, and security), participate in code reviews, and mentor team members.

Requirements

8+ years of professional experience in Backend Engineering, with a strong background in the Financial Services or Fintech industry.
6+ years of experience with Rust and/or C++ , building highly scalable, low-latency web services.
Expert knowledge of asynchronous programming, thread safety, and lock-free data structures.
6+ years with PostgreSQL and 4+ years with low-latency messaging/persistence layers like Kafka, Redis, or RabbitMQ.
Proven track record of building high-availability systems that have handled significant transaction volumes.
Proficiency with cloud platforms (AWS/GCP) and containerization tools like Docker and Kubernetes.
Strong proficiency in securing backend APIs and a deep understanding of modern software testing methodologies.

Nice to have

Experience with asynchronous I/O, direct socket programming, and Linux kernel optimizations (e.g., epoll , zero-copy).
Experience fine-tuning matching engines, risk engines, or other latency-sensitive components.
Familiarity with blockchain technology, smart contracts, and decentralized systems.
Master’s or Bachelor's degree in Computer Science or a related field.

Culture & Benefits

Work from anywhere in the world with a high-performance, distributed team.
Competitive salary plus equity by way of tokens on a sliding scale (tailor your package based on your preference for salary vs. equity).
Take end-to-end ownership of complex systems and influence our long-term technological roadmap.
Help shape the future of finance by building decentralized tools that operate with institutional-grade rigor.
Work with cutting-edge tools in Rust, high-speed messaging, and cloud-native infrastructure.

Senior Backend Engineer (DeFi & Fintech)