Join Cognistack as a Product-Focused Full-Stack Builder to build foundational AI products, scale a high-growth startup, and shape the future of recruiting.
Key Highlights
Technical Skills Required
Benefits & Perks
Job Description
I’m helping Cognistack find a top candidate to join their team full-time for the role of Product-Focused Full-Stack Builder.
You'll build foundational AI products, scale a high-growth startup, and shape the future of recruiting.
Compensation:
USD 130K - 250K/year
Location:
Jackson Square, San Francisco, CA, USA
Mission of Cognistack:
"To empower innovative companies by connecting them with top-tier technology talent through an agile, consultative approach that builds transformational teams at the speed of innovation."
What makes you a strong candidate:
- You have +5 years experience in Software engineering.
- You are proficient in TypeScript, React.js, PostgreSQL, OpenAI API, NextJS.
- English - Conversational
Responsibilities and more:
Cognistack client is looking for a Software Engineer for a full-time, permanent role in San Francisco, CA.
Job Title: Software Engineer (full-time, permanent role).
On-site work policy: In-person San Francisco / Work in-person 5 days/week in San Francisco.
Visa sponsorship available: Visa sponsorship available case-by-case basis (H1B Transfer available).
Hiring Count: Looking to hire 10 candidates.
Position Type: Full-time, permanent.
Tech stack: TypeScript, PostgreSQL, GCP, OpenAI, NextJS.
* 5-8 years of experience as an engineer building products in a startup environment.
* Flexible in terms of specific tech stack proficiency; prioritizes problem-solving abilities, emotional intelligence (EQ), and a general aptitude for learning.
* Experience at reputable early-stage startups (Seed - Series B) or later-stage companies with excellent engineering or product reputations.
About this role:
* We are looking to hire 3 archetypes of engineers: Mid-level founder type (4-6 YOE) or senior engineer (5-8 YOE).
* We currently have 10 engineers total: 7 engineers in the junior to mid-level bucket and 3 in the senior bucket.
* We are looking to double those numbers by the end of the year.
* We’re focusing on building a solid engineering and product foundation to scale our business and team.
* We are continuing to build out our AI-related features to improve the recruiting marketplace.
* We are looking for exceptional full-stack, product-minded engineers across three archetypes.
* We are looking for full-stack, product-minded builders who can take a well-defined problem and independently ship clean, elegant, high-quality products quickly.
Example Archetypes:
Archetype 1: Product-Focused Full-Stack Builder (4–6 YOE).
* Ships end-to-end features quickly across backend, frontend, and UX.
* Uses user impact to guide decisions; doesn’t rely heavily on PM/design.
* High-agency, self-unblocking, fast learner.
* Mid-career, hungry, and with a clearly promising upward career trajectory.
* Experience showing speed and polish.
Archetype 2: Senior/Staff Engineer (5–8 YOE).
* Has owned complex features or systems and made non-trivial design choices.
* Has led the design and implementation of multi-engineer projects.
* Intuitively comes up with correct solutions and system designs that balance competing engineering, product, and business priorities.
* Everything they touch gets better.
* Strong collaborator who is a multiplier on their teams while staying hands-on.
Archetype 3: AI/LLM Product Engineer.
* Owned and shipped LLM-powered features end-to-end.
* A full-stack engineer who views AI/LLMs as a tool to build features and deliver business value.
* Experience at a successful AI-first company is a bonus.
Job benefits:
- Comprehensive healthcare
- Citi Bike membership
- Quarterly off sites
- Paid house cleaning
- 401k
- Stunning office in Chelsea
- Fitness stipend
- Dinner on late nights
- Unlimited PTO