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Senior firmware engineer

Calsoft Labs

Atlanta, GA

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JOB DETAILS
SKILLS
Agile Programming Methodologies, Application Programming Interface (API), Atlassian JIRA, Automation, Booting, C Programming Language, C++ Programming Language, Cloud Computing, Communication Skills, Computer Firmware, Computer Science, Concurrency, Continuous Deployment/Delivery, Continuous Integration, Cross-Functional, Debugging Skills, Debugging Tools, Delivery Management, Device Drivers, Early Childhood Education, Electronics, Embedded Systems, FCC (Federal Communications Commission), GDB (Gnu Debugger), HTTPS (HyperText Transport Protocol Secure), I2C, Internet of Things, Jenkins, Knowledge Base, Leadership, Logic Analyzer, Maintain Compliance, Memory Leaks, Microcontroller, Microprocessor, Multithreaded Programming, Network Protocols, Problem Solving Skills, Project Tracking, Quality Management, RS-232, RS-485, Realtime Operating System, Requirements Management, Risk Analysis, Serial Link Design, Software Development, System-on-a-Chip (SoC), TCP/IP (Transmission Control Protocol/Internet Protocol), Technical Leadership, Technical Presentation, UDP (User Datagram Protocol), United States Citizen, Wireless Communications, Wireless Protocols/Standards, Wireless Security
LOCATION
Atlanta, GA
POSTED
30+ days ago
Job Title/Designation: Senior firmware engineer
Experience Range: 10+ Years in Embedded Firmware design and development
Job Location: Indianapolis, Indiana
Immigration Status : H1, Green Card, US Citizen
Education Criteria: Bachelor's or Master's degree in Electronics/EEE/ECE/Computer Science or equivalent

Job Function, Roles, and Responsibilities:
  • Architect robust, secure IoT systems while balancing trade-offs between cost, power, and performance.
  • Direct the end-to-end firmware lifecycle, ensuring scalability and design reliability.
  • Lead Over-the-Air (OTA) update strategies for secure post-deployment features.
  • Ensure product adherence to global wireless and security standards (FCC, CE, RED).
  • Translate product requirements into task breakdowns, effort estimations, and execution plans.
  • Manage communication and delivery expectations with cross-functional teams and external partners/vendors.
  • Oversee factory-test firmware and partner with manufacturers on products.
  • Maintain high-quality architecture diagrams, API specs, and internal knowledge bases.
  • Utilize Jira/Agile workflows to track milestones and report technical health to leadership.
  • Conduct technical risk assessments and track to project progress.

Technical Expertise:
  • Expertise in C and C++ programming for microprocessor, microcontroller, and SoC architectures
  • Expertise in bare metal, Deep knowledge of RTOS, device drivers, and multi-threaded application development
  • Experience in wireless technologies such as Wi-Fi, BLE, Threads, Matter, and Sub-GHz
  • Experience in networking protocols such as TCP/IP, UDP, Secure MQTT, HTTPS, and Amazon Sidewalk
  • Expertise in secure IoT cloud communication and integration
  • Experience in serial communication interfaces such as RS-485, RS-232, I2C, SPI, and MODBUS
  • Expertise in Bootloader, Secure boot, RAND, ECC, RSA, and Power modes for MCU platforms
  • Experience with debugging tools such as GDB, J-Link, and static code analyzers
  • Experience with various HW platforms bring-up and debugging using DSO, Logic analyzer, and Power profiling tools
  • Proficiency with CI/CD automation tools and workflows, specifically including Jenkins
Soft Skills:
  • Ability to weigh technical trade-offs against cost, time, and reliability.
  • Strong problem-solving skills for resolving race conditions, memory leaks, and concurrency issues.
  • Effective at presenting technical status to management and collaborating with cross-functional hardware teams.

About the Company

C

Calsoft Labs

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