Senior Embedded Engineer

Job Title :
Embedded Engineer

Location:

Jalna, Maharashtra (On-site)
Type:  Full-time | Founding Team
Compensation:  12 to 18 L + Significant ESOPs (Equity)
The Opportunity
We are  Sipnudge Technologies . We are building the future of consumer hydration with our smart water bottle, and we are looking for a  Embedded Engineer  to lead our firmware engineering.
This is a high-impact role based at our HQ in  Jalna . You will be part of the founding engineering team, working directly with the hardware leads to turn prototypes into a mass-manufactured product.

Key Responsibilities
Core Firmware Architecture:  Architect and maintain production-grade firmware. We need someone who can navigate both  ESP-IDF  and  Nordic ecosystems , choosing the right tool for the job.
Low-Power Optimization:  Squeeze every microamp out of the battery. You will manage deep sleep modes and power states on  Nordic nRF  or ESP
32 chips.
Security Implementation:  Implement end-to-end device security, including  Flash encryption, Boot loader encryption , and secure communication channels.
IoT & Connectivity:  Master the full stack of IoT communications ( BLE, Wi-Fi ). You will handle GATT profiles, advertising packets, and integration with third-party cloud platforms/ML services.
Dev Ops & CI/CD:  Maintain software via  Git Lab . You will set up and manage CI/CD pipelines for automated testing and releases.
Hardware Integration:  Work deeply with the hardware team to  stress test hardware , develop device drivers, and validate physical outcomes in the lab.
Requirements
Chipset Expertise:
1) ESP-IDF:  Deep familiarity with the Espressif IoT Development Framework.
2) Nordic Semiconductor:  

Experience with  nRF
52/nRF
53 Series  and the  nRF Connect SDK (Zephyr RTOS) .
Protocol Proficiency:  Strong knowledge of  BLE  (Bluetooth Low Energy) stacks, Wi-Fi, and IoT communication standards.
Security Focused:  

Experience with firmware security (Secure Boot, Encryption, TLS).
Tooling:  Proficient in Git (Git Lab) and CI/CD workflows.
Hands-on:  Willingness to test actual physical outcomes and debug hardware/software interactions using logic analyzers and power profilers.
Commitment:  Must be willing to work on-site in  Jalna, Maharashtra .

How to Apply

Interested candidates only.  We are looking for builders who are ready to commit to a high-growth startup environment.
Please send your resume and a link to your portfolio/Git Hub to: