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s2.dev

YC F25

San Francisco, US · Founded 2024 · 5 employees · 18 known investors

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S2.dev builds infrastructure services and tools for developers. The company focuses on providing a platform for application development and deployment.

Also known as Bandar Systems Inc. · Lunavo Group Inc.

Cloud ComputingData & InfrastructureDeveloper ToolsEnterprise SoftwareOpen SourceAPIInfrastructureDatabasesUnited States of AmericaAmerica / CanadaPartly Remote

Founders & leadership· Y Combinator alumni (F25)

s2.dev was founded in 2024 by Shikhar Bhushan, Stephen Balogh, Dwarak Govind Parthiban, Mehul Arora, and Cristian Caciuc.

SBShikhar Bhushan
Shikhar BhushanCo-Founder and CEOShikhar Bhushan has worked on retrieval systems at Etsy, key-value storage at Facebook, and Kafka Connect at Confluent.
SBStephen Balogh
Stephen BaloghCo-Founder, CTOStephen Balogh previously led infrastructure work for product search at Etsy and developed repository software at NYU. He works on systems development with Rust.
DGDwarak Govind Parthiban
Dwarak Govind ParthibanCo-FounderDwarak Govind Parthiban worked on applied AI at Etsy and ML platform development at Freshworks, with prior research on language models at the University of Ottawa that resulted in publication at AAAI-21.
MAMehul Arora
Mehul AroraFounder
CCCristian Caciuc
Cristian CaciucFounder

Investors · 18

Grayscale Ventureslisted by Grayscale Ventures$125K – $1M

How we know: Grayscale Ventures's portfolio page · Y Combinator's founder network · Not right? Tell us

Materialized View Capitallisted by Materialized View Capital

How we know: Materialized View Capital's portfolio page · Y Combinator's founder network · Not right? Tell us

Orange Collectivelisted by Orange CollectiveDanville

How we know: Orange Collective's portfolio page · Y Combinator's founder network · Not right? Tell us

Pioneerlisted by PioneerToronto, Ontario

How we know: Y Combinator's founder network · pioneerfund.vc · open dataset · 5k.vc investor directory · Not right? Tell us

Transpose Platform Managementlisted by Transpose Platform ManagementSan Francisco

How we know: Transpose Platform Management's portfolio page · Y Combinator's founder network · Not right? Tell us

Uncorrelated Ventureslisted by Uncorrelated VenturesLas Vegas

How we know: Uncorrelated Ventures's portfolio page · Y Combinator's founder network · Not right? Tell us

Y Combinatorlisted by Y CombinatorSan Francisco · $500K

How we know: the Y Combinator directory · open dataset · 5k.vc investor directory · Not right? Tell us

AccelreportedPalo Alto · $500K – $100M

How we know: scoopearth.in · Y Combinator's founder network · Not right? Tell us

BroadOak Capital PartnersreportedBethesda

How we know: genomeweb.com · Not right? Tell us

Clever Capitalreported

How we know: Y Combinator's founder network · Not right? Tell us

Founder CapitalreportedSilicon Valley · $25K – $100K

How we know: Y Combinator's founder network · Not right? Tell us

Kleiner PerkinsreportedMenlo Park · $500K – $15M

How we know: Y Combinator's founder network · Not right? Tell us

Race CapitalreportedPalo Alto · $250K – $2M

How we know: Y Combinator's founder network · Not right? Tell us

Research Corporation TechnologiesreportedTucson

How we know: genomeweb.com · Not right? Tell us

Ritual CapitalreportedMenlo Park · $100K – $500K

How we know: Y Combinator's founder network · Not right? Tell us

Spot VCreportedNewark

How we know: Y Combinator's founder network · Not right? Tell us

Twenty Two VenturesreportedPalo Alto · $50K – $250K

How we know: Y Combinator's founder network · Not right? Tell us

Funding

SEC filings, press & company announcements

$3.9M disclosed across 1 of 3 rounds · 2024–2026

Source: company announcements and press reports — follow each round's link for the claim.

Images

s2.dev photo

Related companies · 8

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ReJotReJot is an open-source software development platform or toolkit. The page provides limited concrete details about its specific offerings or target customers.
Cloudflare, Inc.Cloudflare provides a global cloud network platform delivering security, performance, and development services through sixty-plus integrated services including SASE, application security, and full-stack development infrastructure.
HelixDBHelix is a database built on object storage that combines knowledge graphs, vectors, temporal and full-text search capabilities for AI agents, retrieval-augmented generation (RAG), and enterprise knowledge management applications.
ParadeDBParadeDB is a Postgres extension that adds full-text search, vector retrieval, and aggregation capabilities to PostgreSQL databases. It enables developers to consolidate search and analytics workloads into a single database using standard SQL without requiring a separate search engine.
RestreamRestream is a live-video platform that lets creators and organizations broadcast one stream to 30+ social and streaming destinations.
PeerDBPeerDB provides fast and cost-effective data replication from PostgreSQL to data warehouses including Snowflake, BigQuery, and ClickHouse, as well as to event queues like Kafka and EventHubs. The open-source tool and commercial cloud service enable change data capture and parallel data migration for engineering and data teams.
SupabaseSupabase is a fully managed PostgreSQL backend platform that integrates with AI builders like Claude, Lovable, and Bolt to enable rapid development of production applications. It provides authentication, real-time database sync, storage, serverless functions, and vector support for AI/ML applications.

Companies working in the same space as s2.dev.

Legal entities · 2

corporate structure
Bandar Systems Inc.
Lunavo Group Inc.

In the news

YC-backed data infra startup S2.dev raises $3.85 million in round led by Accel - The Economic Timeseconomictimes.indiatimes.com · Aug 2026S2.dev raises $3.85 million to simplify real-time data updates for appsnewsbytesapp.com · Feb 2026Data infrastructure startup S2.dev raises $3.85 Mn led by Accelentrackr.com · Feb 2026YC-backed data infra startup S2.dev raises $3.85 million in round led by Accel - The Economic Times | Medialmedial.app · Feb 2026S2.dev $3.85 Million Funding Led By Accel In New Investment Roundscoopearth.in · Feb 2026s2.dev: Streams as a cloud storage primitiveycombinator.com · Nov 2025

Frequently asked questions

What does s2.dev do?
S2.dev builds infrastructure services and tools for developers. The company focuses on providing a platform for application development and deployment.
Who founded s2.dev?
s2.dev was founded by Shikhar Bhushan, Stephen Balogh, Dwarak Govind Parthiban, Mehul Arora, Cristian Caciuc in 2024.
Who are s2.dev's investors?
s2.dev's investors include Eight Capital, Grayscale Ventures, Materialized View Capital, Orange Collective, Pioneer, Transpose Platform Management, Uncorrelated Ventures, Y Combinator and 10 more.
How much funding has s2.dev raised?
s2.dev has disclosed $3.9M raised across 1 of its 3 known rounds.
Where is s2.dev headquartered?
s2.dev is headquartered in San Francisco, US.