Java vs Rust
Java shows up at 20 of the 255 companies we track, Rust at 17. 4 have both.
Counts come from DNS, response headers, page source and public job posts; a tool named in a single job post is not counted. They show adoption among companies developers look up, not market share. There is no signed verdict for this pair yet.
Java
20
companies (8% of those tracked)
Only Java
16 companies, plus 4 with both
- Adyen
- Airbnb
- Brex
- Celonis
- ClickHouse
- Doctolib
- Snowflake
- Stripe
- SumUp
- Twilio
- Cognite
- Spotify
- Supercell
- N26
- Squarespace
- Too Good To Go
Usually paired with
Kubernetes (18), React (16), Amazon Web Services (13), PostgreSQL (13), Terraform (12)
Rust
17
companies (7% of those tracked)
Only Rust
13 companies, plus 4 with both
- Anthropic
- Bitwarden
- Cloudflare
- Datadog
- GitLab
- Grafana Labs
- Lovable
- OpenAI
- Perplexity
- 1Password
- Railway
- Supabase
- Tailscale
Usually paired with
Kubernetes (16), Terraform (15), React (14), Stripe (13), Docker (10)