Sr. Software Engineer (C, C++, or Rust) :

We are looking for a Senior Systems Engineer with 10+ years of experience in systems-level engineering (Rust/C/C++), including 5+ years of production Rust, to design and build high-performance, low-latency, fault-tolerant trading infrastructure. Prior hands-on experience with financial trading systems is mandatory.

Responsibilities :

- Design, develop, and maintain high-performance backend services using Rust

- Build scalable and reliable distributed systems capable of handling high request volumes

- Optimize application performance, memory usage, and resource utilization

- Design clean, maintainable, and well-tested software architecture

- Collaborate with product, engineering, and DevOps teams to deliver production-ready solutions

- Participate in architecture discussions, code reviews, and technical planning

- Troubleshoot production issues and improve system reliability and observability

- Write clean, well-documented, production-quality code following engineering best practices

Required Qualifications

- 10+ years of professional systems programming experience in Rust, C, or C++ (5+ years production Rust)

- Mandatory: hands-on experience with financial trading systems - exchanges, order books, matching engines, OMS/RMS, or market data systems (equities, F&O, FX, commodities, or crypto)

- Strong understanding of exchange mechanics - order types, price-time priority matching, spot trading, derivatives (futures/perpetuals), options, margining and liquidation concepts

- Strong experience building production-grade, low-latency, high-throughput backend applications

- Solid understanding of distributed systems and concurrent programming - Raft/consensus, replication, snapshots, deterministic state machines, exactly-once semantics

- Advanced concurrency: lock-free/wait-free structures, ring buffers, thread-per-core design, core pinning

- Strong understanding of networking concepts - TCP/IP, UDP, multicast, real-time communication, asynchronous networking

- Experience designing and implementing binary communication protocols for inter-service communication (SBE, Protocol Buffers, FlatBuffers, Cap'n Proto)

- Experience with microservices architecture and event-driven systems

- Experience with messaging systems such as Aeron, Kafka, NATS, or similar high-performance platforms

- Strong understanding of in-memory data structures and efficient memory management - cache lines, memory ordering, NUMA, allocation-free design

- Experience working with relational databases and caching systems

- Experience working in Linux-based production environments

- Familiarity with containerization and modern deployment practices

- Strong debugging, profiling, and benchmarking skills (perf, flamegraphs, Criterion)

- Excellent problem-solving and analytical abilities; ability to work independently and take ownership of technical deliverables