About the Role: Duration: 3 months Location: Remote Timings: Full Time (As per company timings) Notice Period: (Immediate Joiner - Only) Experience: 4-6 Years 4-6 years in backend engineering and team/project leadership Key Responsibilities: Technical Oversight & Code Reviews: Provide technical direction and conduct rigorous code and schema reviews across code and DB stacks to ensure performance, maintainability, and compliance. Client Communication & Alignment: Act as the primary technical liaison with the client’s Infra, InfoSec, and Development teams—clarifying requirements, validating deployment plans, and aligning on access, ports, and audit policies. Architecture Validation: Own confirmation of containerization strategy (Docker), data flow structure, and tech stack compatibility with on-prem constraints—ensuring future scalability and modularity. Data Format & API Contract Finalization: Lead the definition of ingest data specs (transaction & activity), normalisation rules, and monthly batch window constraints. Finalize API response schema and peer comparison logic. Security & Compliance Leadership: Vet token management strategy, Redis TTL and invalidation logic, and secure secret storage mechanisms, aligning with SBI’s enterprise security expectations. Documentation & Sign-offs: Own all technical documentation: infrastructure diagrams, sequence diagrams, data flow specs, and configuration checklists required for SBI IT approvals. Sprint-Level Technical Guidance: Support the product and engineering team with technical confirmations on edge-case handling, architectural trade-offs, and milestone-go/no-go decisions. Skills & Qualifications: Strong hands-on experience with: Node.js (NestJS) for API services Python (High-level understanding) for ETL and AI pipelines MongoDB – schema design, replica setup Redis, Docker, and shell scripting for Linux VM environments (High-level familiarity) Understanding of enterprise security protocols, enterprise technology infrastructures. Experience coordinating with enterprise clients, especially BFSI, on network access, deployment approvals, data sharing, and security reviews. Strong communication skills — must be able to lead technical discussions with both engineers and non-technical stakeholders. Note: Role is remote; however, willingness to travel to Mumbai temporarily on the Company's expenses is required, particularly at the time of project implementation. Location in Pune or Mumbai is preferable