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Rounds/Osman/Senior Full-Stack Engineer·#50520
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New York, NY

Senior Full-Stack Engineer

Location
New York, NY
Salary
$150,000 - $200,000
Type
Full-Time
Calibration
Candidate rejected2d ago

Experience looked promising on paper but not strong enough technically.

Candidate rejected1mo ago

Lacked enthusiasm for the role and did not demonstrate a positive attitude during the conversation.

Candidate rejected1mo ago

Wasn't able to go extremely deep in the interview, so this isn't a strong signal, but I didn't come away with a great fit impression. We discussed concepts like retrieval-augmented generation, and the conversation felt fairly focused on ideas that have been established for a while. I was hoping to…

About Osman
Soal Labs is a 23-person, fully bootstrapped data and AI consultancy focused exclusively on private equity and private credit firms. The team acts as an embedded data and AI partner to fund CTOs, delivering strategy, data infrastructure, AI workflows, and interfaces tailored to the internal operations of $20B–$100B+ funds. With no outside funding, Soal Labs is lean, profitable, and able to operate without investor pressure. Most clients are based in New York, and the firm’s New York office is a tight-knit team of five. Projects are high-touch, bespoke, and require engineers to work directly with fund CTOs, iterating quickly on solutions that drive real business outcomes. The company’s GTM focus is on fund-level operations—fundraising, origination, due diligence, and portfolio management—rather than portfolio company work. Soal Labs values curiosity, ownership, and adaptability over pedigree. The team’s best hires have come from early-stage startup backgrounds or have built their own companies, thriving in ambiguous, fast-moving environments where end-to-end ownership and client empathy are essential.
Stage & size
Industry
Founded
About This Role

This is a client-facing, in-person Senior Full-Stack Engineer role based in New York. The engineer works directly with private equity and private credit fund CTOs, owning 1–2 projects at a time from ambiguous requirements to shipped systems. The day-to-day is a mix of hands-on coding (Python backends, TypeScript frontends), architecture, and direct client interaction—shipping, iterating, and capturing learnings into internal blueprints.

The role starts under technical or senior engineering leadership, with a clear path to leading projects technically as the New York team grows. Engineers are expected to handle projects end-to-end, communicate technical complexity clearly, and adapt quickly to new domains and client needs. Success is measured by client project outcomes and the ability to translate those learnings into reusable internal assets.

The team is small, ambitious, and values engineers who are proactive, curious, and comfortable navigating ambiguity. This is not a prestige-driven environment—candidates who thrive here are builders with a track record of ownership, not those chasing marquee logos.

Client-facing, in-person
full-stack engineer role in New York
Owns 1–2
projects at a time, working directly with fund CTOs
High ownership,
short feedback loops, and direct impact on client outcomes
Job Details
Experience
Not specified
Salary
$150,000 - $200,000
Equity
Visa Sponsorship
Employment Type
Full-Time
Benefits & Perks

No benefits listed yet.

Green Flags
Early-stage startup or founder experience
Track record of end-to-end ownership on small teams
Proactive, curious, and comfortable with ambiguity
Red Flags
Prestige-oriented candidates (dream is to work at Ramp, Palantir, etc.)
Needs heavy structure or hand-holding
Lacks curiosity about user context

Candidate scorecard

· 5 criteria
5+ years shipping production systems end-to-end (Python backend, TypeScript frontend preferred)
Experience working in ambiguous, fast-moving environments (early-stage startup or founder background strongly preferred)
Able to work in-person in New York and meet clients multiple times a week
Rounds · Confidential to recruiting partners · Last refreshed Aug 17, 2026