Custom Software & SaaS Development

Full-Stack Web Application Development

High-performance, responsive web applications built with the discipline you'd want in your own team.

Timeline
Engagement minimum 12 weeks; most run 6–18 months
Engagement
Senior, embedded
Pricing
Outcome-based
Discipline
Custom Software & SaaS Development

⏚ Summary

What this engagement is, plainly.

We design, build, and operate web applications end-to-end. One senior team across frontend, backend, and infra — no handoff seams, no junior throughput problem, no platform surprises in month four.

Problems we solve

  • Your roadmap is bottlenecked by hiring you can't close.

  • Feature delivery slows because every change crosses three team boundaries.

  • You need senior judgment, not junior throughput.

⏚ Approach

How we run this engagement.

  1. 01Phase

    Team shape

    Two to five senior engineers working in the same repo across frontend, backend, and infra. Pair programming when needed; no babysitting.

  2. 02Phase

    Ship cadence

    Weekly increments, trunk-based development, feature flags. Demos to stakeholders every Friday — momentum is the deliverable.

  3. 03Phase

    Handover by default

    Every commit is reviewable by your engineers, every decision is in writing. You can take over at any milestone.

⏚ Deliverables

What you get, signed off.

  • Embedded senior team (2–5 engineers)

  • Weekly increments + demo cadence

  • Architecture decision records

  • Test + CI/CD scaffolding

  • Handover-ready code from day one

⏚ Stack we typically use

Tools, not religion.

We pick on workload and team shape, not on fashion. Anything below is a default — swappable when your context demands.

  • TypeScript
  • Next.js
  • React
  • Node.js
  • Postgres
  • Redis
  • Tailwind

Outcome

A team that ships at senior speed without senior hiring, code your engineers can own, and momentum you didn't have last quarter.

⏚ Frequently Asked

About this service, specifically.

⏚ Engagement Initiation

Have a hard problem worth doing once, well?

We take a small number of engagements per quarter. If your program needs serious operators, we'd like to hear about it.

Start a Projecthello@xpansionit.com

Encrypted channel · GPG on request