FullStack Product Engineer
Build 0→1 orchestration tools and define technical architecture for a high-ownership NYC startup. Lead backend depth and own customer-facing product features end-to-end.
Location: New York City, NY (On-site, 5 days/week)
Salary: $200K - $250K + Competitive Equity
About the Opportunity
A fast-growing Series A infrastructure automation startup in New York City is seeking a Fullstack Product Engineer with strong backend depth and product ownership experience to join its highly technical engineering team. This role is ideal for engineers who enjoy building customer-facing products end-to-end, thrive in ambiguous startup environments, and want meaningful ownership over both technical architecture and product direction.
The company is building automation tooling focused on everything that happens after deployment, helping engineering teams reduce operational overhead and move faster. Engineers work closely with customers, design, and infrastructure teams to shape intelligent workflows and scalable product experiences.
Key Responsibilities
Design and ship customer-facing product features end-to-end across backend systems and frontend applications
Build APIs, orchestration layers, workflows, and scalable business logic using TypeScript and NestJS
Collaborate closely with infrastructure and platform engineers to integrate core systems into the product experience
Partner directly with customers to refine workflows, validate product ideas, and improve usability
Work closely with design to deliver polished, high-quality React interfaces and interaction patterns
Own ambiguous 0→1 initiatives and drive projects from concept through production deployment
Contribute to technical direction, product strategy, and engineering standards within a small, high-ownership team
What Sets This Role Apart
High-impact engineering role within a profitable, well-funded startup environment
Direct ownership of product direction and customer-facing workflows
Opportunity to work on AI-native and infrastructure-focused product challenges
Small, highly technical engineering team with significant autonomy and influence
Strong compensation package with meaningful equity upside
Exposure to complex systems, automation workflows, and scalable cloud infrastructure
Qualifications
6+ years of experience in full-stack engineering with strong backend/system depth
Strong experience with TypeScript, React, PostgreSQL, and NestJS
Experience building and owning products end-to-end in startup or fast-paced environments
Strong product thinking and customer-focused feature development experience
Experience leading ambiguous projects with high ownership and autonomy
Ability to collaborate cross-functionally across engineering, design, and product teams
Nice to Have
Experience with AWS, Docker, Kubernetes, and Terraform
Background in developer tools, infrastructure, observability, or AI-powered workflows
Experience building customer-facing AI or agentic products
Prior technical leadership or project ownership experience
Strong portfolio, side projects, or open-source contributions
Additional Information
Visa sponsorship is not available
On-site role based in New York City
Candidates with strong startup ownership and product-building experience will be prioritized
About Sperton
Sperton is a global recruitment and consulting firm with offices across Europe, Asia, and the Americas. We help companies find and manage top talent across borders, delivering fast, compliant, and flexible recruitment, consultant hiring, and global mobility services.
- Locations
- United States
- Employment type
- Full-time
- Job location
- New York
Workplace & Culture at Sperton
At Sperton, we believe that great results come from great people.
Our culture is built on trust, collaboration, and a shared passion for delivering quality in everything we do.
We are a Norwegian-owned international company with colleagues across Europe, Asia, and the USA, working together seamlessly across time zones and cultures. Our teams are diverse, yet united by the same goal — to connect people and companies in meaningful ways.
We value openness, initiative, and continuous learning. Everyone at Sperton is encouraged to take ownership, share ideas, and challenge existing ways of working to make our solutions even better.
Even though we operate globally, our approach is personal. We take pride in creating a supportive and inclusive environment where people feel heard, respected, and motivated to grow — both professionally and personally.
