Lead Backend Engineer

Job Title: Lead Backend Engineer Company: SymphonyAI Job Category: Machine Learning Roles & Responsibilities: We are looking for a Technical Architect who combines deep Python expertise, strong computer science fundamentals, and hands-on engineering rigor to design and build scalable, high-performance systems. This is a high-ownership, high-impact role where the individual is expected to operate using first-principles thinking, be deeply hands-on with code, solve ambiguous, complex technical problems, and drive end-to-end architecture and execution. The architect will work closely with Engineering Managers, Directors, Product Managers, and cross-functional teams to translate high-level product goals into robust, scalable, and production-ready systems. * Ability to take ambiguous problem statements and convert them into clear, executable technical plans * Consistent delivery of high-quality, production-grade systems with strong reliability and performance * Demonstrated impact in eliminating bottlenecks, improving system efficiency, and scaling platforms * Strong influence across teams through clear technical communication and leadership Job Description: Responsibilities: Hands-on Development (Python-first): * Actively contribute to core codebases with high-quality, maintainable Python code * Lead by example in coding standards, debugging, and performance optimization * Build reusable frameworks, libraries, and internal platforms * Identify and resolve system bottlenecks (CPU, memory, I/O, network, DB) * Drive performance tuning, load testing, and scalability improvements * Establish benchmarks and SLO-driven engineering practices * Lead root cause analysis (RCA) and implement long-term fixes * Design guardrails to prevent 99% of known failure modes * Improve observability (metrics, logs, traces) across systems Technical Leadership & Mentorship: * Lead a team of senior, mid-level, and junior engineers * Mentor engineers in system design, coding best practices * Raise the overall engineering bar across teams * Work effectively with frontend, backend, data, and platform teams * Ensure features are implemented end-to-end in a cohesive and scalable manner * Communicate technical concepts clearly to both engineers and leadership SymphonyAI is building the leading enterprise AI SaaS company for digital transformation across the most critical and resilient growth industries, including retail, consumer packaged goods, financial crime prevention, manufacturing, media, and IT service management. Since its founding in 2017, SymphonyAI today serves 1500+ Enterprise customers globally and has grown to 3,000 talented leaders, data scientists, and other professionals across over 30 countries. Work Location: Karnataka, India Availability: Full time

Required Skills & Qualifications: Compensation & Benefits: * Competitive salary and benefits package * Flexible hybrid working model * Opportunities for professional growth and development * Collaborative and inclusive work environment * Access to the latest technologies and tools * Opportunity to make a tangible impact on cutting-edge Retail/CPG AI solutions Hybrid/On-site Requirements: Key Skills: Machine Learning, Python Salary: INR 4e+06 - 4.4e+06 per yearly