About the Role:We are looking for a Senior Backend Software Development Engineer with robust expertise in Python, AWS and distributed systems to build and maintain a reliable, automated order execution platform for a systematic trading environment.Key Responsibilities:Backend Engineering & Order Management:- Design and develop scalable asynchronous backend services using Python.- Build order management workflows covering order submission, modification, cancellation, partial fills, rejections and execution tracking.- Implement idempotent order processing to prevent duplicate orders during retries and service interruptions.- Integrate with broker or exchange APIs using REST, WebSocket or FIX protocols.- Develop pre-trade risk checks, order validation, exposure limits and emergency trading controls.Reliability, Reconciliation & Audit:- Implement intraday and end-of-day reconciliation of orders, trades, fills and positions against broker records.- Build reliable event-processing mechanisms with retries, backoff, failure recovery and stale-order detection.- Maintain comprehensive audit trails for trading signals, orders,



broker responses and execution events.AWS Infrastructure & Deployment:- Develop and deploy backend services on AWS using services such as ECS, EKS, Lambda, SQS/SNS, RDS, IAM and CloudWatch.- Use Redis for order state, caching, messaging and distributed coordination.- Work with PostgreSQL, ensuring data consistency, transaction integrity and robust schema design.- Implement Infrastructure as Code using Terraform or CloudFormation.- Build and maintain Docker-based deployment workflows and CI/CD pipelines.Mandatory Skills:- 5+ years of experience in backend software engineering.- Strong hands-on expertise in Python (asyncio, FastAPI).- Experience in fintech, brokerage, or trading technology.- Hands-on experience integrating with broker or exchange APIs.- Proven experience designing distributed, event-driven systems.- Production experience with Redis and PostgreSQL.- Strong AWS experience and Infrastructure as Code (Terraform/Docker). (ref:hirist.tech)

📌 Senior Backend Software Development Engineer - Fintech Domain (Ahmedabad)
🏢 ElementSkill
📍 Ahmedabad