Approxima

Active

Your software should build itself.

Winter 2026Founded 20252 peopleSan Francisco, CA, USA

AI insightcan contain mistakes

Autonomous Software DevelopmentSaaSSoftware engineering teams automating routine maintenance and incremental updatesHigh competition

Moat

End-to-end agent workflow: scope, code, validate in sandbox, merge to production reduces human-in-the-loop for routine work.

Key risk

GitHub Copilot, Cursor, Claude expanding code generation; low switching costs; quality/safety concerns on production merges.

Why now

AI coding agents maturing; developer time bottleneck on routine tasks; sandbox validation enabling safer automation.

Competitors

GitHub Copilot, Cursor, Replit, traditional CI/CD tools

↻ Pivot / rename signal

This company has previously operated under “Sidekit”, “SideKit”. A rename frequently marks a pivot in positioning or product — useful raw material for variant ideas.

About

Human-assisted development should be for novel ideation, not routine maintenance, bug fixes or incremental updates. Approxima is bringing you that future with agents that can scope work, code, validate their fixes end-to-end in sandbox environments and merge to production. Book a demo: https://calendly.com/ashish-selvaraj/approxima

Founders · 2

Ethan PronevFounder

Waterloo🎓 University of Waterloo

Co-founder at Approxima, building the trust layer to help software development scale with AI. Previously worked on trading systems at Jane Street and Citadel Securities. Computer Science graduate from the University of Waterloo, class of 2025.

LinkedIn ↗X ↗

Ashish SelvarajFounder

Microsoft

Databricks

Waterloo

Co-founder at Approxima, building the trust layer to help software development scale with AI. Previously worked on delta live tables at Databricks, an infra testing engine at Microsoft and graduated with a double degree in Computer Science and Business from Waterloo in 2025.

LinkedIn ↗X ↗

B2B Engineering, Product and DesignEnterprise SoftwareInfrastructureAI

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