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Upstack

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Helping start ups and companies scale their engineering teams with top senior level talent from all over the world

New York City, United StatesFounded 2010Jobs Recruitment
Revenue $10–50M Latest reported FY
Headcount <100 Current team size
Total funding $0–10M Disclosed equity funding
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About Upstack

Upstack, founded in 2010 by Yossi Mlynsky, operates as a network for hiring remote software engineering talent. The company began as a bootstrapped startup headquartered in New York, and it connects businesses with pre-vetted developers from a global network of over 4,000 senior-level engineers. Yossi Mlynsky, a seasoned engineering and product manager with previous roles at Macquarie Bank and Monster, founded Upstack to address the challenge fast-growing companies face in finding top engineering talent. His background in scaling teams and products directly informs the company's mission.

The business model centers on simplifying the process of building remote software teams. Upstack provides an all-in-one platform that handles vetting, onboarding, payments, and compliance, allowing clients to focus on their core product development. Companies work with Upstack's experts to create a personalized hiring plan, and the platform then matches them with suitable engineers. This service aims to reduce talent costs by up to 40% and increase talent retention rates. Upstack serves a range of businesses, from SaaS startups to mature IT firms, helping them scale their infrastructure, modernize internal systems, and manage technology spending.

Upstack's core service is providing access to a curated pool of senior developers specializing in modern frameworks like React.JS, AI, and DevOps. The company's vetting process assesses candidates for technical expertise, communication skills, and cultural fit to ensure they align with a client's team values and mission. Beyond simply matching talent, the platform manages administrative tasks such as global payments and compliance, which can save clients significant administrative overhead. The company offers a human-centered approach with dedicated support and regular check-ins to facilitate a smooth integration of remote talent into existing teams.

Source: Dealroom company data

At a glance

Founded
2010
Headquarters
New York City, United States
Sector
Jobs Recruitment
Power Law
Colt$25–100M revenue
Employees 58 total headcount
Founders Hidden — book a demo/100 quality score
Key operators Hidden — book a demo quality score
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
🇺🇸 United States · New York City HQ
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Web traffic by country
11K monthly visits
across markets
🇺🇸 United States86.4%
🇮🇳 India10.9%
Top 2 markets shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Upstack on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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