Ajay Singh Sikarwar

Product Engineer

Pune, Maharashtra, India5 yrs 3 mos experience

Key Highlights

Expert in EV Charger and BMS development.
Proficient in embedded systems and automotive communication protocols.
Strong background in testing and validation of EV charging systems.

Stackforce AI infers this person is a specialist in Electric Vehicle technology and embedded systems engineering.

Contact

ajaysikarwar0@gmail.com LinkedIn

Skills

Core Skills

Embedded SystemsBattery Management SystemsDc Fast ChargingSystem EngineeringTesting & ValidationSystem Validation

Other Skills

System-level architectureEmbedded software developmentBattery parameter monitoringThermal managementSOH/SOC algorithmsSafety strategiesAutomotive communication protocolsIoT technologiesWireless protocolsCloud integrationRemote monitoringOTA updatesSystem specificationsTesting proceduresPower electronics components

About

Leading development of EV Charger ,BMS, OCPP 1.6 j Implementation and CSMS Development

Experience

5 yrs 3 mos

Total Experience

1 yr 4 mos

Average Tenure

1 yr 2 mos

Current Experience

Cs tech ai

Senior EV BMS System Engineer

Mar 2025 – Present · 1 yr 2 mos · Pune · On-site

System-level architecture and embedded software development for BMS.
Battery parameter monitoring, thermal management, SOH/SOC algorithms, and safety strategies.
Proficiency with automotive communication protocols like CAN, UART, RS485, and tools like Vector CANalyzer, Keil, and STM32CubeMX.
Expertise in IoT technologies, including wireless protocols (e.g., Wi-Fi, Bluetooth, LoRa), MQTT for data communication, cloud integration with platforms like AWS IoT or Azure IoT Hub, and remote monitoring/OTA updates for connected devices.
Strong collaboration with cross-functional teams for hardware bring-up, firmware validation, and field deployment.

System-level architectureEmbedded software developmentBattery parameter monitoringThermal managementSOH/SOC algorithmsSafety strategies+8

Avl

Senior System Engineer(R&D)

Jun 2024 – Feb 2025 · 8 mos · India · On-site

Design the system specifications, system requirements and Testing procedure for DC fast chargers.
Ensure compliance with industry standards (e.g., IEC 61851, ISO 15118, OCPP, CHAdeMO, CCS).
Selection of appropriate power electronics components (like rectifiers, DC FAN, contactors,
Performing components level testing like Power Module testing by PCAN Analyzer
tool and functionality check of IMD, AC/DC contactors and Cooling unit.
Work with suppliers to source reliable and cost-effective components.
Selection of wire, lug sizing and it’s routing.
Making SLD for EV Charging System.
Optimizing charging efficiency, power levels, and thermal management systems.
Ensure the physical design meets environmental requirements (e.g.,
weatherproofing, cooling systems).
Benchmarking product performance against competitors.
Defining communication protocols (CCS2, OCPP, CAN, Modbus) for charger
management and interaction with EVs.
Defining system level error codes and testing its implementation in the firmware.
Collaborate with cross functional team (product managers, hardware and software
teams) for implementing correct hardware and software requirements.
Develop prototype for 1MW DC Fast Charger.
Testing of the EV charging system, ensuring safety, reliability, power flow, charging
efficiency, interoperability and compliance with international standards.
Identify and mitigate potential issues in the system.
Conducting root cause analysis (RCA) to prevent field issues and maintaining
technical documentation.
Exposure to EMI/EMC related testing as per ARAI and IEC Standards.

System specificationsTesting proceduresPower electronics componentsComponents level testingCommunication protocolsBenchmarking product performance+5

Statiq

Associate System Engineer

May 2022 – Apr 2024 · 1 yr 11 mos · Gurugram, Haryana, India · On-site

Scope of work –
 Create and run quality tests based on appropriate protocols.
 Conduct firmware validation testing of controllers -Regular
bugs & New implementation.
 Develop test cases independently using System requirement
develop test methods.
 Testing of EV Chargers-
(1) Able to capture and analyze logs.
(2) Exposure to Automated testing using Python.
(3) Knowledge on RS232, RS485, CAN, I2C, SPI, Modbus.
 Provide documentation, debug information and reproduction
steps when unexpected device behavior is seen.
 Prepare validation test, procedure and Testing reports.
Additional scope of work
 Giving training to Production department related to new
development of EV charger.
 Coordinating field service team on technical issues on Field.

Quality testsFirmware validation testingAutomated testingDocumentationDebuggingTest case development+2

Exicom tele-systems limited

System Validation Engineer

Nov 2020 – May 2022 · 1 yr 6 mos · Gurugram, Haryana, India

Working in Ev charger Domain in Exicom Tele-system india ltd.
(1) Having toubleshooting , installation and commissioning experience on ev chargers AC and DC ,20kw 30 kw, 60kw,142kw.
Good knowledge on customer dealing , time management and team co-ordination.
Deep understanding of rectifiers and over all functionality of ev chargers.
Sound knowledge of updating software , taking logs and reading logs.
(2) Understanding of programming language c/c++ for embedded system on AVR atmega32 micro controller with some projects on it.
and also having sound knowledge of communication protocol like CAN, RS232, RS 485
UART.
Soft skills-
(1) Strong communication and presentation skills.
(2) Proactively learning new technology.
(3) Strong problem solving ability.
(4) Ability to work in fast paced environment.
(5) Collaborating with senior leaders.
(6)Good coordination with team members.
(7) Maintaining balance between life and work.