01 / Project
AI-PMS
Case study in preparation. Details and approved screenshots will be published here.
Open projectAI-PMS
Software Engineering Studio
Two Minds. One Stack. Infinite Possibilities.
PairStack is a software engineering studio. Two senior engineers building, deploying and operating web software end to end.
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02 / Two minds, one vision
Two ways of seeing a problem. One way of building it.
PairStack is built around pair engineering. Each system starts with two perspectives, one builds while the other questions, and both agree on what ships. Complementary thinking, a single standard.
- Mind A
- Builds the first version.
- Mind B
- Reviews it as a skeptic.
03 / Engineering the future
From idea to a system that stays up.
01 / Define the problem
Idea
We write down the problem, the constraints and what done looks like before anything is drawn.
02 / Agree the structure
Architecture
Data model, service boundaries and failure modes are decided and documented while changing them is still cheap.
03 / Build in small, tested steps
Engineering
Test-driven delivery in reviewable increments. One partner builds, the other reviews.
04 / Ship reproducibly
Deployment
Containerised releases with an explicit approval step, monitoring and a rollback path you can read.
04 / What we engineer
Five disciplines. One accountable team.
- 01
Software Engineering
Web applications designed and built from schema to interface, with tests and documentation from the first commit.
Next.js · TypeScript · PostgreSQL
- 02
SaaS Development
Multi-user products with authentication, roles, billing-ready boundaries and an architecture that can grow past the first release.
Auth · RBAC · Multi-tenant
- 03
AI & Intelligent Systems
Applications that use language models and retrieval where they earn their place, with the plumbing around them kept observable and testable.
Claude · RAG · Agents
- 04
Cloud & DevOps
Containerised deployments on servers you own, CI pipelines, backups and approval-based releases with a documented rollback.
Docker · Nginx · CI/CD
- 05
System Integrations
Clear boundaries between systems: versioned APIs, signed webhooks and integrations that fail loudly instead of silently.
REST · Webhooks · APIs
05 / Selected work
Products we have built.
02 / Project
Toolii
Case study in preparation. Details and approved screenshots will be published here.
Open projectToolii
03 / Project
BebshaPro
Case study in preparation. Details and approved screenshots will be published here.
Open projectBebshaPro
06 / Technology that powers us
A modular stack, chosen on purpose.
Proven tools wired together so each part can be replaced without rebuilding the rest.
07 / Our engineering philosophy
- 01
Engineering before shortcuts.
- 02
Architecture before complexity.
- 03
Performance by design.
- 04
Security from the beginning.
- 05
Collaboration through every stage.
08 / Meet the partners
The two people you work with.
A
Engineering Partner
Partner A
Profile to be provided by the partner.
B
Engineering Partner
Partner B
Profile to be provided by the partner.