Principal Software Engineer

Pirros is reshaping and revolutionizing how Architecture and Engineering firms manage design details. Our software empowers AECO design professionals (Architects, Engineers, Contractors, and Owners) to streamline their detail management process more effectively, reduce errors, and speed up project delivery. We’re building the system of record for detail management in a $12T+ industry that’s been underserved by technology for too long!

About Us

• Backed by top-tier investors and angels (YC, Funders Club, PlanGrid, Elephant)

• PROFITABLE, ~$6M ARR and growing revenue at +10% month-over-month

• We closed our Series A of ~$17 million in 2025

• Competitive Package: salary, stock options, unlimited PTO, health benefits

• Co-founders both come from structural Engineering, with industry experience

• 350+ firms using us today, growing 10% MoM, 120% NRR - customers include some of the top AEC design firms in the country

• Join a high-trust, high-autonomy culture with experienced builders and operators

• Tangible Impact! We’re solving real problems for the people who design the world around us while building the software stack of the future for architects and engineers

What You’ll Own: 

• Deliver scalable, reliable solutions to complex business problems 

• Own applications that are critical to the success of our customers and our business 

• Collaborate with engineering, product and design teams to design solutions to customer problems 

• Hands-on contributor, blending strategic oversight with direct involvement in project execution 

• Design and implement robust, scalable web applications and develop frameworks and libraries to streamline future projects 

• Champion the creation and maintenance of comprehensive suites of unit, functional, and acceptance tests to ensure software quality 

• Lead troubleshooting efforts and optimize support strategies for production applications 

  Who You Are: 

• 10+ years of full stack software development experience, with expertise in React, JavaScript/TypeScript and Frontend build tools 

• Strong knowledge of web performance optimization and best practices 

• Experience with interacting with RESTful APIs, building Frontend testing and automation systems  

• You will work closely with product, design and the rest of the engineering team to develop and deliver scalable, secure, rock-solid, production ready features. You will be expected to iterate rapidly while delivering high-quality outcomes. 

• Expertise in deconstructing complex problems into manageable, incremental solutions, with a track record of strategic problem-solving 

• A collaborative spirit, thriving in environments where mutual growth and support are prioritized among team members 

• Exceptional ownership of product development, with a personal standard that aligns with producing high-quality, reliable work 

• In-depth understanding of the unique challenges faced by early-stage companies, particularly in balancing immediate needs with long-term strategic goals 

• Excellent communication skills, with a strong appreciation for the importance of effective documentation in driving project clarity and success 

• You take pride in both delivering delightful user experiences and in championing technical excellence 

At Pirros, we believe that the convergence of fresh perspectives and experiences from all walks of life is what makes our product and culture so great. We do not discriminate against employees based on race, color, religion, sex, national origin, gender identity or expression, age, disability, pregnancy, genetic information, protected military or veteran status, sexual orientation, or any other characteristic protected by applicable federal, state or local laws. 

Pirros is committed to fair and equitable compensation for all our employees. We thoughtfully consider a wide range of factors when determining individual compensation and the specific salary range will be discussed during the hiring process. Actual compensation for an individual may vary depending on skills, performance over time, qualification and experience. In addition to a competitive base salary, the total compensation package also includes equity and benefits.