Founding Full Stack Engineer

Job overview

The Founding Full Stack Engineer role is listed in Boston, MA, as onsite; the description also says the work model is hybrid or remote-friendly within U.S. time zones. The stated base salary is $150,000–$190,000 per year, with founding-level equity. The engineer will work closely with the founding team to build the platform from the ground up. This role establishes the product’s initial software and technical foundation, owning work across frontend and backend systems, architecture, infrastructure, and deployment while helping shape product direction and engineering practices.

What you'll do

• Build the initial product and core features
• design frontend and backend systems
• own services, data models, and APIs
• collaborate with founders on requirements and technical tradeoffs
• make architecture, tooling, and infrastructure decisions
• establish engineering practices
• set up deployment pipelines, monitoring, and DevOps workflows
• help hire and mentor future engineers.

What we're looking for

Skills & competencies

founding engineer

full stack

react

typescript

next.js

node.js

python

postgresql

aws

gcp

boston ma

$150k–$190k/year

twenty80.io

Work arrangement

• Weekend coverage required

Benefits & perks

• Health, dental, and vision insurance
• flexible PTO
• meaningful founding-level equity stake.

Why this role

Founding-level equity stake; health, dental, and vision insurance; flexible PTO.

About the employer

twenty80.io is hiring for this role. Industry: Engineering Services. Sector: 54.