Sankha Dey

High-impact Electrical & Electronics Engineer with 4+ years of deep specialisation in BEV E/E architecture, high-voltage powertrain systems, and ECU development — architecting and delivering production EV programmes at TATA Motors and Revamp Moto across the complete vehicle lifecycle: architecture definition, hardware-software integration, HIL/LabCar validation, diagnostics strategy, and aftersales failure resolution. Consistently eliminates field failures (up to 70%), cuts BOM costs (20%), and compresses validation cycles through rigorous FMEA, structured RCA, and Tier-1 supplier coordination. Holder of 14 published patents in BEV systems and power electronics — recognised with the Most Impactful IP Award and TML-FAME Award at TATA Motors.

R&D Engineer — BEV E/E Architecture - TATA Technologies Ltd. | Advance Engineering Department, TATA Motors - Pune, Maharashtra, India

(2024-09)

• Architect and own end-to-end HV E/E development for production BEV platforms — driving architecture from requirements and component selection through ECU integration, system validation, and full aftersales lifecycle ownership.
• Engineered breakthrough ECU control strategy that eliminated 70% of CCS2 charging gun actuator field failures — zero prior solution existed; recognised with the Most Impactful IP Award, TATA Motors.
• Slashed repeat field failures by 20–25% through relentless Root Cause Analysis (RCA), cross-functional corrective actions, and systematic aftersales closure — directly improving customer satisfaction.
• Conceived and validated a 6-in-1 Power Electronics Control Unit (E-Drive + DC/DC + OBC + PDU + Thermal) — consolidating five subsystems into one, achieving 15% wiring harness reduction and 12% thermal efficiency gain.
• Benchmarked 8+ global EV platforms, translating competitive intelligence into decisive architecture choices that reduced system cost and improved efficiency across programmes.
• Drove ECU integration, fault injection, and regression testing in HIL/LabCar environments; overhauled DTC documentation to eliminate field diagnostic ambiguity across global service teams.
• Anchored Harrier EV CFT and QRT — unified E/E architecture across mechanical, software, and manufacturing; led rapid HV/LV fault resolution under live production pressure.

R&D Engineer — Product Development - Revamp Moto Pvt. Ltd. - Nashik, Maharashtra, India

(2022-07 - 2024-09)

• Founded and drove the 'Shop on Wheels' modular utility BEV platform end-to-end — from blank-sheet concept through commercial launch, orchestrating E/E design, prototyping, supplier negotiation, and validation.
• Reconceived the entire vehicle E/E architecture for Buddie-25 & Buddie-45, delivering a hard-won 20% BOM cost reduction and 60% collapse in field failure rates.
• Architected Mitra L3-BEV swappable-battery platform with embedded telematics, OTA diagnostics, and fleet management — purpose-built to scale across cargo, delivery, and passenger markets.
• Built the V2L bi-directional power system from scratch — intelligent load management, HV safety interlocks, and energy algorithms enabling reliable off-grid power delivery.
• Introduced precision-targeted B2B features that drove a 30% surge in market adoption and unlocked new enterprise client revenue.
• Designed and executed a pan-India BEV diagnostics training programme for service engineers — raising technical floor and standardising repair quality across the national network.

B.Tech - Electronics & Communication Engineering - JIS College of Engineering, MAKAUT (2019-07 - 2023-06)