Senior Trading System Developer

1 week ago

Bengaluru, Karnataka, India Weekday AI Full time ₹ 25,00,000 - ₹ 50,00,000 per year

This role is for one of the Weekday's clients

Salary range: Rs Rs ie INR 35-70 LPA)

Min Experience: 5 years

Location: Bangalore

JobType: full-time

We are seeking a Senior Trading System Developer with deep expertise in Java and Python to design and develop next-generation automation and testing tools for institutional trading platforms. This role is critical to enhancing system reliability, validating complex order lifecycles, and ensuring low-latency performance across trading environments. You'll collaborate with developers, QA engineers, and front-office teams to build frameworks that strengthen automation, accelerate development cycles, and improve overall test coverage.

Key Responsibilities
  • Design and implement advanced frameworks for automated testing of order entry, modification, routing, and risk management logic.
  • Develop tools using Java, Python, or Rust to simulate and validate end-to-end trading workflows across both low-touch and high-touch systems.
  • Build self-service platforms for trade simulations, venue behavior replay, and FIX protocol validation.
  • Automate health checks, venue certification scripts, and regression pipelines in collaboration with front-office support and development teams.
  • Integrate automation frameworks into CI/CD pipelines for pre-deployment checks, latency verification, and continuous reliability monitoring.
  • Enhance observability and debugging through fault-tolerant, data-rich tooling to aid rapid issue reproduction.
  • Expand testing capabilities for FIX, REST, and WebSocket APIs across exchanges and internal trading systems.
Required Qualifications
  • 5+ years of experience developing and testing distributed or high-performance trading systems.
  • Strong proficiency in Java (11+) and Python for automation frameworks, trading harnesses, and performance optimization.
  • Experience with OMS/EMS systems and a solid understanding of order lifecycles, FIX messaging, and venue connectivity.
  • Knowledge of test automation frameworks and continuous integration practices.
  • Familiarity with electronic trading workflows, market structures, and latency analysis.
  • Proficiency in scripting languages (Python, Shell) for monitoring, testing, and automation.
  • Understanding of high-performance messaging technologies such as Aeron, Chronicle, or Kafka.
Preferred Qualifications
  • Experience developing exchange certification tools, FIX simulators, or regression harnesses.
  • Exposure to market-making systems, risk engines, or smart order routers.
  • Prior work experience in crypto or traditional electronic trading environments.
Skills

Trading Systems | Automation | Java | Core Java | Python | FIX Protocol | OMS/EMS | CI/CD | Low Latency Systems

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