Senior Trading System Developer

1 week ago


Bengaluru, India Weekday AI Full time

This role is for one of the Weekday's clients Salary range: Rs 3500000 - Rs 7000000 (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. Requirements 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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