Find your path to Sergey
361 people in our graph share verified history with Sergey — schools, employers, funds. One of them is your warm intro.
About
Sergey Bunas is a computer science dropout who previously worked as a Senior Software Engineer at Deel. He built Suggesty, a search product launched in 2022, and Stage, a design tool that reached 10K users before joining his current venture.
Founder at 21stYC W26
Intro paths
Sergey went through Y Combinator (Winter 2026) — any YC alum in your network can reach them through the YC community.
Their group partner at YC was Ankit Gupta, General Partner at Y Combinator — the partner who ran 21st's batch and knows the company first-hand. YC profile ↗
In turn, Sergey can intro founders to 21st's investors below.
21st's investors · 3
Co-founders at 21st
Experience
- 21stCo-Foundercurrent2025 — presentSan Francisco Bay Area
- DeelPlatform Architect2022 — 2023London Area, United Kingdom
- SuggestyFounder2022London Area, United Kingdom
- StageCo-Founder, CTO2021 — 2022
- RocketbankSoftware Engineer2019 — 2021
Skills & more
From Sergey's professional profile.
Frequently asked questions
- Who is Sergey Bunas?
- Sergey Bunas is a computer science dropout who previously worked as a Senior Software Engineer at Deel. He built Suggesty, a search product launched in 2022, and Stage, a design tool that reached 10K users before joining his current venture.
- Where does Sergey Bunas work?
- Sergey Bunas is Founder of 21st.
- What companies did Sergey Bunas found?
- Sergey Bunas founded 21st.
- Where did Sergey Bunas go to school?
- Sergey Bunas studied at Y Combinator (YC W26).
Founder mafias
Y Combinator mafia10,230
Also came through, then founded or led a company.
+ 10,223 more
Same school
Also attended Y Combinator2,000
+ 1,994 more
Shared employers
Also worked at 21st1
Also worked at Deel40
+ 34 more
