Job Overview
Location
Bengaluru
Job Type
Full-time
Category
Embedded Engineer
Date Posted
May 21, 2026
Full Job Description
đź“‹ Description
- • Design and implement firmware for SPAN’s hardware products, focusing on microcontroller-level software in C and C++, including bootloaders and applications running on RTOS environments without an OS.
- • Own end-to-end development of user-facing firmware features for future hardware products, from initial conception through design, implementation, testing, and deployment.
- • Develop secure and reliable Over-the-Air (OTA) update systems that operate across diverse communication interfaces, processor architectures, and product lines, ensuring hardware-backed encryption and verification.
- • Collaborate with system architects to design and implement high-fidelity data streaming architectures that meet both real-time data requirements for data science teams and stringent safety guarantees around consistency and accuracy.
- • Work directly with hardware, product, and software teams to align firmware development with broader product goals, ensuring timely delivery of integrated solutions.
- • Participate in code and design reviews across the organization, actively contributing to the adoption of engineering best practices and documenting architectural decisions.
- • Evangelize firmware best practices internally, mentoring junior engineers and supporting cross-functional teams in adopting robust software development standards.
- • Interface with standard electrical communication protocols including UART, I2C, and USB to enable reliable data transfer and control between microcontrollers and peripheral components.
- • Maintain and enhance low-level software systems critical to product reliability, performance, and safety, ensuring minimal latency and maximum uptime in residential energy systems.
- • Contribute to the development of diagnostic tools, command-line utilities, or application-layer components that support firmware debugging, validation, and field operations.
- • Engage in hands-on testing and validation using electronics lab equipment to validate firmware behavior under real-world conditions.
- • Represent the Device Software team in cross-functional meetings, translating technical requirements into actionable development plans and aligning priorities across global teams in the US and India.
- • Ensure all firmware development adheres to functional safety standards where applicable, including awareness of UL 60730, ISO 26262, IEC 61508, and UL 1998.
- • Work in a collaborative, in-office environment in Bengaluru with frequent interaction with US-based teams to support global product development cycles.
- • Contribute to a mission-driven culture focused on decarbonization, electrification of the built environment, and building resilient, clean energy-powered homes.
- • Drive innovation by proposing bold technical solutions that advance SPAN’s vision of a distributed, flexible, and clean electrical grid.
- • Deliver exceptional customer value by ensuring firmware reliability, security, and performance directly impacts end-user safety and experience.
🎯 Requirements
- • 8 or more years of experience writing software for hardware devices using C or C++ on microcontrollers and/or Linux systems
- • Strong fundamentals in modern software design, including object-oriented principles and manual memory management
- • Experience working with standard electrical communication interfaces such as UART, I2C, and USB
- • Exceptional interpersonal communication and collaboration skills with a track record of building trust and driving decisions to resolution
- • Proven ownership of end-to-end projects, including design, implementation, code review, and mentorship of peers
🏖️ Benefits
- • Generous paid leave
- • Comprehensive insurance and health benefits
- • Centrally located office in Bengaluru with easy access to public transit, dining, and city amenities
Skills & Technologies
React
Linux
Onsite
About SPAN.IO, Inc.
SPAN.IO designs and manufactures smart electrical panels that replace traditional breaker boxes. The company’s hardware and software give homeowners real-time circuit-level control, monitoring and automation, enabling safer electrification upgrades such as solar, battery storage and EV charging without costly service-panel replacements. By turning each breaker into an intelligent switch, SPAN optimizes energy use, provides outage resilience and supplies granular data for utilities and installers.
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