Freelance Consultant - Back-End Engineer

We are seeking an experienced Back-End Engineering Consultant with strong expertise in building and managing stock broking systems in India. The consultant will contribute to the development of a new discount broking application, with a strong focus on back-office systems and Risk Management Systems (RMS). Key Responsibilities; Design, build, and optimize backend services and APIs for a new discount broking platform. Architect and implement back-office systems supporting trade processing, settlements, reconciliations, and reporting. Build and optimize RMS components for trade surveillance, order validation, exposure monitoring, and compliance. Collaborate closely with product, compliance, and operations teams to ensure delivery of secure and compliant systems. Ensure high-performance, scalable, and fault-tolerant system architecture. Participate in code reviews, testing, and deployment processes. Provide technical guidance and best practices on broking system architecture. NOTE; Duration - 3 months (tentative; can be extended based on performance) Location- Mumbai Preference: full-time in office, open to hybrid Skills Required 5+ years of experience in backend development within the broking/fintech ecosystem. Hands-on experience with broking infrastructure such as order management systems, back-office modules, and RMS. Strong knowledge of Indian securities markets, exchange connectivity (NSE, BSE), and regulatory frameworks. Proficiency in backend technologies (Java/Go/Python/C++) and microservices architectures. Experience working with databases (SQL & NoSQL), messaging queues, caching systems, and distributed architecture. Familiarity with broker back-office vendors/systems and clearing corp interfaces is a strong plus. Prior experience building discount broking applications preferred.