Sr. Software Engineer


BS/MS in Computer Science, Computer Engineering, Electrical Engineering or a related discipline. Minimum 5 years of software engineering experience building embedded systems software. Experience working on embedded systems with c++ as the primary programming platform. Experience with embedded operating systems – Windows and/or Linux will be ideal. Proficiency in communication protocols (Ethernet and Serial specifically). Understanding of the OSI model is a plus. Experience with version control software (preferably Git), Continuous Integration Build systems (preferably Jenkins), project management tools (like Jira) and automated testing tools. Broad experience in Object Oriented Design/Analysis (OOD/OOA). Understanding of design languages such as UML will be a plus. Good written and verbal communication skills. Excellent analytical and problem-solving skills. Preferred Education/Qualifications: Knowledge of hardware architecture – micro controllers, SOCs etc. FPGA programming. Experience programming in Python (used as a hardware testing tool or hardware simulator/emulator). Experience with image processing and rendering algorithms. Familiarity with Agile product development methodology (Scrum in particular) is a plus.



NOTE:  Danville, IL is 2.5 hours from Chicago, 1.5 from Indianapolis, 0.5 from Champaign/Urbana.  This position can work from Danville Headquarters or our Champaign, IL office.


Watchfire Signs is an 85+ year old company that is rapidly growing as an industry leader in the cutting-edge technology of digital LED signs.  Our electronic message centers (EMCs) are designed for 24/7 outdoor signage use in all weather conditions.  These cutting-edge outdoor LED displays may be as small as a time-and-temperature sign at a local bank or as large as 15'x50' and beyond.  Our on-premise division sells to sign companies and dealers who re-sell our EMCs as a portion of a complete signage / business identity package for their customers.


Vertically integrated, Watchfire does everything from product engineering and circuit board assembly through final product integration and calibration. Post-sale, we provide world-class technical service and support.  This allows us to sustain our position as the quality leader and the premium provider in our industry.


Based in Danville, Illinois, Watchfire offers comprehensive benefits including 401K with company matching, affordable health & dental insurance, paid time off in year of hire, continuing education assistance and career advancement opportunities.  We have been an employer of choice for decades, offering an opportunity to work in an entrepreneurial environment where decisions can be made quickly.


SUMMARY DESCRIPTION:  This senior level Software Engineer position will be part of the software engineering team, helping build the next generation of our flagship software product for the digital signage industry. A person at this level will research, design and develop software products within a specific technical project. S/he can provide solutions for designs and development plans of high complexity which typically requires a broad background of technical and process knowledge. This position provides expert guidance, drives decision making and supports the Software Engineering group in various technical and functional aspects of research and development of new products.


A successful candidate will be a strong team player who is able to work across multiple functions and disciplines. The candidate should be self-directed and have experience and knowledge of software design, coding, and testing methodologies. Though the focus for this position will be on designing and developing embedded systems running on micro-controllers, there will be opportunities to work on user facing web and mobile applications.


Our product software is a critical differentiator in our market, and we take great pride in our in-house products developed entirely by this team, from embedded systems to exceptional user facing GUI applications.


*Watchfire is an Equal Opportunity Employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs.


  • Architect, design, create and maintain embedded applications for our content playback sub-system.
  • Research hardware trends and work with Electrical Engineering to arrive at the next generation of micro-controllers that are cost effective and performant.
  • Help create and review system and software requirements.
  • Help foster good software engineering practices and mentor junior engineers.
  • Prepare test cases to perform verification and validation of software.
  • Assist in data gathering and troubleshooting of products under design or returned/reported from the field.
  • Involvement in all aspects of the software engineering process.
  • Follow relevant company procedures and help create and maintain relevant documentation.