Product Engineer
US$200,000 – US$250,000 / yr base salary
Posted 23 Sep 2026
Advertised as “Senior Product Engineer ”
BranchFactor Summary
The original posting with the fluff stripped out
- Expected experience
- 4+ yrs
- Management level
- Individual contributor
- Employment
- Hybrid
- Contract
- Full-time
| Base salary | US$200,000 – US$250,000 / yr |
|---|
Senior Product Engineer
Engineering
Prolific
Prolific is not just another player in the AI space – we are the architects of the human data infrastructure that's reshaping the landscape of AI development. In a world where foundational AI technologies are increasingly commoditized, it's the quality and diversity of human-generated data that truly differentiates products and models.
The role
We’re looking for impact-focused Software Generalists to join our specialized team focused on serving frontier model creators and enterprise AI application developers. As a full-stack engineer, you will work across Prolific’s domains to solve customer and product problems.
This is an exciting opportunity to work directly with frontier AI companies, making critical technical decisions that balance scrappy startup execution with scalable, reliable engineering, as Prolific revolutionizes research for the AI community. You'll will have regular in person collaboration with customers and our US team, as well as collaborate closely with our UK-based tech teams.
This role is hybrid based out of our New York office, approx 1-2 days a week.
What you’ll bring to the role
- Over 4 years of experience in a product engineering role
- Can translate business concepts into software models
- Ability to quickly learn and adapt across the breadth of Prolific’s domains
- Familiar working in both monoliths and distributed systems
- Strong communication and collaboration skills for direct customer interaction
- Good understanding of modern web applications and architecture design patterns
- Experience supporting applications in production environments
- Judgment to balance scrappy startup execution with scalable, reliable engineering
- Comfort with rapid iteration and responding to customer queries with urgency
- Experience with some of our technology stack:
- Python (we use Django & Fast API)
- TypeScript and JavaScript (we use Vue.js)
- SQL and NoSQL databases (we use MongoDB and PostgresSQL)
- Building and deploying to the cloud (we use GCP, Kubernetees, Github Actions & CircleCI)
- Instrumenting, monitoring & observability (we use Datadog)
What you’ll be doing in the role
This is a unique engineering role at Prolific.
In this role, you will operate with high ownership and a product mindset, at start-up pace, to solve customer problems and capture business opportunities irrespective of the technology required to do so.