Senior Software Engineer

Senior Software Engineer Williamsburg, Brooklyn, NYC Full-Time On-Site About the Role: This role is being managed by Talent Stack LLC, a woman-owned recruiting firm specializing in cleared and technical placements.

We are proud to represent a confidential, high-growth client that is transforming the future of digital advertising at the intersection of AI, creators, and brands.

We’re seeking a Senior Software Engineer to join the company’s NYC team full-time, in person.

As a foundational engineer, you’ll work closely with the founders to design, build, and ship new features every week—from the first lines of code to production.

You’ll own meaningful technical decisions and tackle challenges across marketplace design, multimodal content understanding with large models, and campaign optimization.

This is a rare opportunity to join early at a generational company and directly shape the future of digital advertising.

What You’ll Do:Design, build, and launch new user-facing features across the full stack (React/Next.js, Python/Django, Postgres)Collaborate directly with founders to drive product direction through technical decisionsShip code weekly with speed and precision in a high-growth startup environmentSolve complex engineering problems in distributed systems, content understanding, and marketplace optimizationContribute to a product-first culture where design and user experience matter deeply What We’re Looking For5–12 years of professional software engineering experienceExperience building user-facing products (not just internal tools or infrastructure)Strong full stack skills: React/Next.js (frontend) + Python/Django/Postgres (backend)Proven track record at top tech companies (Meta, Google, Spotify, Airbnb, Pinterest) or high-growth startups with strong engineering culturesFormal Computer Science degree (BS/MS) or equivalentStrong product and design sense with the ability to translate polished UX into codeClear evidence of career progression (promotions or increasing responsibility)Must be willing to work on-site, 5 days per week in Williamsburg, Brooklyn Nice to HaveExperience with large-scale distributed systems or high-performance computingBackground in marketplace or advertising technologiesExposure to multimodal AI/ML systems Why Join the Company?Opportunity to join early at a high-growth, VC-backed startupWork on cutting-edge challenges at the intersection of AI, creators, and digital advertisingHigh ownership and autonomy—your work will directly shape the product and company trajectoryCollaborative, product-first culture in a fast-paced startup environment Compensation: $150K–$225K base salary + competitive equity package On-Site Work Policy: In-person, Williamsburg, Brooklyn (no remote/hybrid) Benefits: comprehensive healthcare - medical, dental, and vision 401K plan Paid lunch 3 days/week $100 monthly allowance to spend on the company's brand clients