What Upstack does

Upstack (also styled UpStack) is a private, New York-headquartered talent marketplace founded in 2010 that connects companies with pre-vetted remote software engineers. The platform targets enterprise companies needing to scale engineering capacity and bridge skill gaps, as well as startups, agencies, and solo founders seeking flexible access to senior-level talent. Named customers include Squarespace, IKEA, Klarna, Intercom, TaskRabbit, and The Chive, and the company operates globally with no disclosed geographic restrictions.

The company's offering is structured around three integrated components: HirePath™, a personalized strategy session and three-step hiring methodology; AirTalent™, a multi-stage vetting process marketed as identifying the top 1% of global developers; and the UpStack Platform, a central hub handling vetting, onboarding, payments, and compliance. The claimed talent pool exceeds 4,000 vetted engineers, and the company markets outcomes including 40% cost savings versus traditional hiring, an average time-to-hire of one week, an average of three interviews per hire, $80,000 in annual HR/compliance/legal savings, and a 2x retention rate improvement.

Upstack generates revenue on a usage-based model, charging clients hourly rates that average $65-$75 per engineer per hour based on skills and experience. The company goes to market through a sales-led motion with direct engagement via strategy session bookings, supported by content marketing, SEO, and customer testimonials. The company has 11-50 employees, leadership headed by founder/CEO Yossi Mlynsky, and acquired California-based IT services firm Stellar Connect in September 2022. Total disclosed funding across three rounds in 2021-2022 is approximately $623K, indicating a lightly capitalized, likely bootstrapped operating profile.

Name

Upstack

Legal name

Upstack

Website

https://upstack.co

Company type

Private

Founded year

2010

Operating status

Operating

Headcount range

11–50 employees

Short description

Upstack is a New York-based talent marketplace connecting companies with pre-vetted remote software engineers globally. Operating since 2010, it serves enterprise clients and startups through its HirePath™ and AirTalent™ processes, charging $65-$75 per hour per engineer.

Ownership category

akta.pro rank

Product category

Remote Engineering Talent Marketplace / IT Staffing Services

NAICS

Employment Placement Agencies (561311), Employment Services (5613), Employment Placement Agencies and Executive Search Services (56131)

SIC

Services-Employment Agencies (7361)

akta.pro primary industry

Recruiting Administration Outsourcing (Recruitment Support, Scheduling, Onboarding Ops) (BPACAKAG)

akta.pro secondary industry

Employee Onboarding & Offboarding Administration (BPAAAIAA)

Keywords

• Remote developer hiring
• Engineering talent marketplace
• Vetted software engineers
• Remote team staffing
• IT talent acquisition

Headquarters

HQ city

New York

HQ country

United States

HQ region

North America

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Technology or R&D, Others

Revenue model

1. Talent Hiring Fees: Upstack charges clients based on hourly rates for hired engineers. Standard hourly rates average between $65-75 per hour based on skills, knowledge, and experience. The company facilitates hiring of remote developers and earns revenue through the markup or service fees on these hourly rates.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

UpStack operates a curated talent marketplace that connects companies with pre-v vetted remote software engineers drawn from a global network of 4,000+ senior developers. Clients engage via HirePath™ strategy sessions, receive hand-picked candidates within 24 hours, and benefit from a 14-day risk-free onboarding period, with UpStack handling ongoing payments, HR administration, and global compliance.

Product overview

UpStack is a talent marketplace platform connecting companies with pre-vetted senior engineers. The platform operates through two integrated offerings: the HirePath™ process (a strategy session-driven approach to understanding client needs and crafting personalized hiring plans) and the AirTalent™ vetting system (a rigorous multi-stage screening process identifying top 1% global developers). The UpStack Platform serves as the central hub coordinating talent matching, onboarding, payments, and compliance. The portfolio works as an integrated hiring solution where HirePath™ guides the initial consultation, AirTalent™ ensures quality through vetting, and the Platform handles ongoing talent management.

Differentiator

Problem solved

Functional benefit

Brands

• HirePath™: A strategy session process for personalized talent hiring solutions.
• AirTalent™

Products and services

• HirePath™ A personalized hiring strategy session process in which UpStack experts collaborate with clients to understand their needs, culture, and project demands, and craft a tailored hiring plan intended to ensure alignment and success from day one.
• AirTalent™
• UpStack Platform

Quantifiable outcome

• 40% cost savings on talent costs
• +4 more outcomes

Named customers6 records

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

One partnership is on record.

• Stellar ConnectminorStrategic or Co-development Partner · 15 September 2022Upstack acquired Stellar Connect, an IT services provider based in California. The acquisition allows Stellar Connect's principals to join UPSTACK as partners, enabling the company to scale its services and better serve clients. This represents an acquisition rather than a traditional partnership.

Scale indicators8 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Toptal: Toptal is the closest direct competitor: a curated marketplace for the 'top 3%' of freelance software developers and designers, with enterprise sales motion and vetting processes that mirror Upstack's AirTalent and HirePath offerings.
• Turing: Turing is an AI-vetted global developer marketplace matching companies with remote engineers; it competes head-to-head with Upstack in vetted remote software talent and offers similar long-term engagement management.
• Andela: Andela recruits, vets, and places engineers from emerging markets (notably Africa) into enterprise engineering teams, overlapping directly with Upstack's value proposition around global vetted talent and managed engagements.
• Arc.dev: Arc (formerly Codementor) is a developer-focused talent marketplace that vets and matches remote software engineers, directly competing with Upstack's curated talent model and target customer base.
• Lemon.io: Lemon.io curates and matches vetted junior-to-mid remote developers with startups and scale-ups; it overlaps with Upstack's SMB/startup customer segment and pre-vetted remote engineering positioning.
• Gun.io: Gun.io is a curated marketplace for vetted freelance software engineers serving startups and enterprises, competing with Upstack on quality-of-talent messaging and US/global remote placement.
• X-Team: X-Team provides vetted, subscription-based remote developers to high-growth companies; it overlaps with Upstack on the curated global developer model and ongoing engagement structure.

Emerging players

• Revelo: Revelo is a Latin-America-focused talent marketplace for vetted software engineers, with sourcing, vetting, and payroll/compliance components that compete with Upstack's global remote-engineering and managed-services model.

Broad incumbents

• Upwork: Upwork is the dominant open freelance marketplace and overlaps with Upstack on software engineering hiring, but operates at much broader scope and lower curation, positioning as the un-vetted incumbent alternative.
• Fiverr: Fiverr is a broad freelance services marketplace that includes software development categories; while not curated like Upstack, it functions as an incumbent alternative for buyers of remote engineering services.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks7 records

Key highlights7 records

Customer concentration

• Xx.com/upstackhq
• Facebookfacebook.com/upstackhq

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Funding overview

Funding rounds3 records

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A1 record

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Upstack