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DevArch

Software architecture, build and fractional CTO services for founders and CTOs, from greenfield systems to audits

Tallinn, EstoniaFounded 2025devarch.coWebsite technologies

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Highlights

  • Young companyFounded 2025
  • New on EvolcAdded 2026-10-27

About DevArch

DevArch is a software services firm that builds production systems for founders and CTOs. Its offerings include greenfield development, embedded engineering teams, AI automation, technical architecture audits and fractional CTO engagements. Projects follow three phases: a diagnostic audit, design and build in two-week sprints, and hand-off through runbooks, pairing sessions and Architecture Decision Records.

The customers are founders, CTOs and established companies. Engagements range from 2 to 4 week audits to multi-year projects and retainers. The website lists 17 case studies across 10 industries and 7 countries, and names Wrike, Intermedia, SmartLinx, Matrix Medical Network and 42Crunch among selected clients.

DevArch is registered in Estonia as DevArch OÜ, founded in 2025, and its studio is in Tallinn. It is led by founder Dmitry Semenov, who has written production code since 2006 and previously worked as Tech Lead and CTO across SaaS, HealthTech and MarTech companies. The company has 1-9 employees according to its registry entry.

Product: Custom software development, architecture audits, AI automation projects and fractional CTO services

Jobs at DevArch

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