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Shubh Sardana

Open to work1 years experience

Software Development Engineer

GurugramTarget Roles: Backend Engineer • Full-Stack Developer • Frontend Specialist

Junior Software Development Engineer at 39k Group (HFT Firm)

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Standing Rank

Rank Not Available

Developer Badges

Badges Pending

Skills & Technologies

32 skills
pythonrusttypescriptjavascriptsqlc++order book dynamicsvwapspread/depth analysisbasis trackingcost modellingtds accountingtime-series analysispandasnumpyasyncioaiohttpdecimaljupytergrafanalokiprometheusdockerazuregitlinuxrest apiswebsocketfix protocolpostgresqlredismongodb

Work Experience

Junior Software Development Engineer

39k Group (HFT Firm)

Jul 2025 - Present Gurugram
  • Worked with CoinDCX REST and WebSocket APIs in production: order book ingestion, authenticated order placement, and balance queries over Ed25519-signed requests. Part of a broader integration covering 15+ exchanges.
  • Built real-time trading dashboards in React and Node.js showing live order book depth, bid/ask spreads, and cross-exchange price divergence. Quant traders used these to monitor market quality and spot dislocations.
  • Set up Grafana and Loki alerting for spread widening, feed latency spikes, and execution anomalies across the trading system. This was the main observability layer for the live environment.
  • Contributed to a Rust trading bot focused on configurable strategy parameters and low-latency order execution logic.

Python Developer Intern

Info Edge India Ltd (Naukri.com)

Oct 2024 - Jun 2025 Noida
  • Wrote Python scraping pipelines using Selenium, pandas, and regex to pull structured job data from 1,000+ career websites. Built the schema mapping and classification layer that fed into the main database.
  • Cut pipeline runtime by around 60% by parallelising the extraction jobs and removing several manual steps that were bottlenecking throughput.

Projects

Algorithmic Arbitrage Engine

View Project
PythonasyncioWebSocketaiohttppandasDecimalnumpyREST
  • Built a live multi-strategy arbitrage engine running a 10Hz tick loop on concurrent WebSocket feeds — continuously monitoring INR/USDT price dislocations across CoinSwitch and Binance spot markets with sub-100ms reaction time.
  • Performed real-time statistical analysis of order book dynamics: VWAP-based sizing, spread deviation detection, and basis tracking between INR and USDT legs — gating entry only when net spread exceeds 1.5% breakeven floor after exact TDS (1%) and taker fee accounting.
  • Two concurrent strategies with shared position locking: 2-leg spread arb (INR vs. Binance USDT fair value) and 4-path triangular arb across S/INR × S/USDT × USDT/INR — all arithmetic in Decimal, no float drift.
  • Production monitoring: staleness watchdog, cost-floor enforcement before each execution leg, boot recovery for stranded positions, and passive USDT rebalancer — post-trade P&L tracked per symbol via shadow executor.

ARBSCAN — Cross-Exchange Market Quality Scanner

Node.jsReactWebSocketSocket.ioRechartsDocker
  • Aggregates live bid/ask feeds from Binance, CoinDCX, and Bitkub. Computes fee-adjusted net spreads across venues, flags pricing inefficiencies in under 100ms, and shows per-symbol spread history and live P&L simulation.

Leaderboard Standings

Leaderboard Position Pending

Global test scores, peer standing percentiles, and algorithm leaderboard ranks are updated dynamically.

Assessment Highlights

Assessments Not Completed

Coding evaluations, system assessment results, and conceptual score badges will appear here after taking a test.

AI Collaboration Score

AI Collaboration Score Pending

Developer coding behavior, assistant cooperation, and AI pair-programming indicators are evaluated during live coding sessions.

Role Compatibility Profile

Role Compatibility Analysis Pending

Custom matching reports, candidate role compatibility percentiles, and core engineer strength profiles are processed once conceptual code screenings are complete.

Achievements

Smart India Hackathon 2023

Smart India Hackathon 2023 — National Winner, Software Category (Govt. of India)

AZ-900 Certified

AZ-900 Certified

Google AI Essentials

Google AI Essentials

About Details

Professional Bio

Junior Software Development Engineer at an HFT firm with experience in real-time trading systems, API integration, and observability. Skilled in Python, Rust, and TypeScript, with a focus on algorithmic arbitrage and market data analysis.

B.Tech in Industrial Internet of Things

GGSIPU, Delhi (2021 - 2025)

Languages: English, Hindi
Email: Locked