Job Title

Job Title : Embedded EngineerLocation: Jalna, Maharashtra (On-site)Type: Full-time | Founding TeamCompensation: Competitive Salary + Significant ESOPs (Equity)The OpportunityWe 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 ESP32 chips. - Security Implementation: Implement end-to-end device security, including Flash encryption, Bootloader 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. - DevOps & CI/CD: Maintain software via GitLab. 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 nRF52/nRF53 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 (GitLab) 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 ApplyInterested 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/GitHub to:newton@