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hirist

Senior Software Developer

Obsidian Capital
Ahmedabad
3 - 5 Years

Posted on: 31/08/2025

Job Description

About us :

Were a proprietary (own-capital) high-frequency trading startup building ultra-low-latency systems for Indian markets. Tiny, hungry team; big ambitions. Youll ship production code that directly moves P&L.


Role :


Full-time, on-site (Ahmedabad) or hybrid. Youll design, build, and optimize services that ingest market data, make decisions in microseconds, and manage riskend-to-end.


What youll do :

- Build and tune low-latency services (networking, parsers, order gateways, risk daemons).

- Profile/optimize code paths (CPU caches, allocation patterns, syscalls, vectorization).

- Own reliability : observability, alerting, on-call for your services.

- Collaborate with researchers to productionize strategies; automate backtests/sims/CI.

- Engineer data pipelines (tick stores, replay, feature gen) and deployment tooling.


Youll thrive here if you have :


- 3- 5 years in systems/infra/trading/fin-tech or similar performance-critical envs.

- Strong in one of C++ (17/20), Rust, or Go; solid Python for tooling.

- Linux fundamentals (perf, eBPF, epoll/kqueue, NUMA, hugepages, NIC offloads).

- Networking chops (TCP/UDP, multicast, kernel networking, PTP/NTP time sync).

- Pragmatic testing, CI/CD, containers; Git discipline.


Nice to have :


- Market-data protocols (e.g., FIX/ITCH/OUCH), exchange gateways, FPGA exposure.


- Time-series stores (kdb+/ClickHouse), columnar formats, SIMD/GPU acceleration.


- SRE mindset: infra-as-code, metrics, tracing.


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