Fortis Design + Build is a vertically integrated development firm which creates award winning mixed-used projects within the urban core. We act as fee-based developers providing pre-construction development services, construction management, general contracting, design-build consultation services and private equity options. By combining in-house expertise in design, development and construction, we enable creative architectural and programming solutions with value pricing.


Fortis Design + Build specializes in creative infill projects within emerging neighborhoods. The principals David Polinsky and Andrew Lenahan have completed a wide variety of new construction and adaptive re-use projects in South Florida. With a focus on innovative design and quality construction, Fortis builds better projects that respond to the surrounding cultural context, inspire the creativity of their occupants and contribute to the development of thriving communities.



Fortis’ growth and success is determined by the people who work here. If you are as passionate as we are about being the best of the best, we would like to talk to you.


Types of Employment

Fortis employs salaried and hourly positions. Encompassing the gamut of what is required to operate a vertically integrated development firm. Fortis values determined and energetic individuals who are not afraid to roll up their sleeves and make a difference!


We make it fun and inspiring to work hard. We care about the well-being and success of our employees and business partners. Our teams are empowered to embrace opportunities, innovate and overcome challenges.


Fortis provides an empowering environment where you collaborate with a team of entrepreneurial spirited individuals. We care about each other, inspire one another, and take significant ownership in our work while achieving client expectations on every project. A partial sampling of our work environment benefits include:

  • Entrepreneurial company culture
  • High-energy/fast paced environment
  • Hands-on training by dynamic leaders
  • Collaborative work-environment
  • Exposure to best-practices in construction management and development



31 NW 23rd ST., Suite 100
Miami, FL 33127