Embedded Systems Engineer

Sterling, VA | Engineering | Full-time


Who We Are:

Sestra is an innovative startup delivering smart dispensing solutions to the beverage industry. Our TapWise solution brings IoT connectivity to on-tap dispensing and brings revolutionary loss prevention to customers serving draft beverages (beer, wine, cocktails, cold brew coffee, etc.). Our patented pour control technology ensures that each and every drink is poured to the exact volume and temperature specified virtually eliminating costly over-pouring. Our Push to Pour dispensing increases speed of service and revenue during the busiest service periods. Our connected devices record all events and syncs with the cloud to provide valuable real-time analytics and remote administration capabilities to our customers.

Who We Need:

We are seeking a highly motivated embedded systems engineer to provide architectural, integration, and development services across our multi-generational hardware and software platforms.  In this role your primary responsibilities will include (1) consulting on the design of integrated hardware and embedded device systems; (2) integration of device drivers; and (3) utilizing C/C++ and other technologies to implement business and operational features.  You will be part of a small but globally dispersed team. The ideal candidate is cool, calm and collected, thrives under pressure and is dedicated to helping us deliver business value through technological innovation and delivery of services. 


Our customers rely on our TapWise solutions to provide hospitality to their guests and members at all times.  As a member of the engineering team, you may be required to support our customers during off-hours or weekends. 


What You Would Do:

  • Develop and integrate sensors, micro-controllers, and other integrated device systems in support of Sestra’s multi-generational products 
  • Facilitate organizational understanding and provide consultation on sensors and programmable chip sets
  • Integrate and test device drivers
  • Consult with onboard algorithms and functions to extract and manipulate data
  • Evaluate, prototype, and implement third-party parts and services as applicable to business and technical objectives
  • Provide technology direction and recommendations to the product roadmap
  •  Work autonomously and within a team of internal and external contractors and partners for on-time delivery of quality code, utilizing agile methodologies
  • Contribute to project documentation and best practices process and improvement 

Qualities We Look For:

  • Minimally, a Bachelor’s degree in Electrical Engineering, Computer Engineering, Electronics Engineering, or related field and 5+ years of direct experience in embedded systems development or demonstrable equivalent 
  • Ability to read and review hardware schematics 
  • Strong C/C++ development knowledge 
  • Experience with FreeRTOS and multi-threaded architecture including timing analysis and profiling
  • Familiarity with 
    • ARM Cortex-M4 processors
    • Texas Instruments micro-controllers e.g., Tiva, C2000
    • Linux OS and Device Drivers
    • Interprocess communications
    • CAN bus architecture 
  • Experience with analog-to-digital converters 
  • Excellent communication skills
  • Strong attention to detail and problem solving skills
  • Ability to troubleshoot hardware board issues

Our Team Benefits:

  • Dog friendly work environment
  • Business casual dress
  • Company equity
  • 401k, Medical, Dental, Vision coverage
  • Up to 18 personal days of time off plus most major holidays

Our Values:

  • We put our customers first
  • We take pride in what we do
  • We are problem solving rock stars
  • We grow together
  • We feel the love
  • We care about our community
  • We use our power for the greener good

Our Founder:

Sestra was founded by Lev Volftsun, a serial entrepreneur who has sold two technology companies to Cisco Systems and a third to Metaswitch, with a total accumulated value of over $1B. Our TapWise smart dispensing solutions are installed as mission-critical applications within iconic sports venues, cultural centers, hotels and restaurants across the country. The Washington Nationals, Kennedy Center, Warner Theater, Lincoln Center, Greenbrier Resort and Longwood Gardens are just a few of our local clients.