Software builtto outlast the peoplewho build it.
Athelvoid is a senior engineering studio. We build web applications, APIs and developer tooling — and hand you every line of code when we're done.
Most software is written to be shipped. Ours is written to be inherited — clean architecture, documented decisions and a handover so complete you could run it without us. We're senior engineers only, so the people you meet are the people who build it.
No lock-in
Full source code, documentation and deployment access at handover. You own everything we build.
Working software, weekly
You see real progress every week — not a big reveal after months of silence.
A reply within a day
Every message gets an honest answer within 24 hours, including when we're not the right fit.
Selected work
What we build
One senior team for the whole stack — from the database to the deploy button.
Full-stack web apps built with Next.js, React and Node — production-ready from day one, fast for your users and easy for the next engineer to pick up.
More about web applications- React / Next.js
- REST & GraphQL APIs
- Authentication
- Performance optimisation
Fast, search-friendly sites and apps on Next.js and React — server rendering, great Core Web Vitals and code your team can maintain.
More about next.js development- App Router
- Server rendering
- SEO & Core Web Vitals
- Migrations & upgrades
From idea to a live product in weeks. We scope tightly, build what matters first and help you launch.
More about mvp development- Rapid prototyping
- User auth & onboarding
- Analytics integration
- Launch support
Clean, documented APIs your team will actually enjoy using. We design them, build them and connect them to the services you already rely on.
More about apis & integrations- API architecture
- Third-party integrations
- Webhook systems
- API documentation
Scalable, cost-aware cloud architecture on AWS, GCP, Cloudflare or Vercel — so you can deploy on a Friday without holding your breath.
More about cloud infrastructure- Cloud architecture
- Docker & Kubernetes
- Monitoring & alerts
- Cost optimisation
Internal tools, CLIs and developer infrastructure that multiply what your team can ship in a week.
More about developer tooling- Internal dashboards
- CLI tools
- CI/CD pipelines
- Developer portals
Architecture reviews, stack decisions and engineering leadership for teams at a crossroads.
More about technical consulting- Architecture reviews
- Tech stack selection
- Code quality audits
- Team upskilling
How a project runs
Four steps, no surprises. You always know what's happening, what it costs and what comes next.
- 01
Discovery
We understand the problem before we touch code. Two working sessions, structured questions, clear requirements.
- 02
Proposal
A written scope, timeline and fixed price. You know what you're getting and what it costs before anything starts.
- 03
Build
Iterative delivery. You see working software every week, not a big reveal at the end.
- 04
Handover
Full source code, documentation and deployment. You own everything, with no lock-in.