OpenBuild Systems

Software development agency

We build the systems your business runs on.

Whether you are launching something new or replacing systems that no longer keep up: one experienced team that designs, builds, and stays long after launch.

  • End-to-end delivery
  • Experienced engineers only
  • Regular demo builds
WebsitesWeb applicationsMobile appsUI & UX designE-commerceWhatsApp integrationsAI integrationsQA & testingSupport & maintenance
Services

One team for the whole build.

Every discipline it takes to ship is in-house: design, engineering, cloud, AI, and QA working as one team on one roadmap.

Web applications

Dashboards, portals, and internal tools engineered on modern React stacks, from the first data model to production deploy.

  • dashboards
  • APIs
  • SaaS platforms
  • portals

Mobile apps

iOS and Android apps from one codebase, built to feel native and shipped through review to both stores.

  • React Native
  • Flutter
  • App Store + Play Store

Websites

Fast, search-ready marketing sites on a CMS your team can edit without calling a developer.

  • marketing sites
  • CMS
  • SEO

UI & UX design

Research, user flows, and polished interfaces, delivered as a design system engineers can build from.

  • user flows
  • prototypes
  • design systems

E-commerce

Storefronts and checkouts built for conversion, wired into payments, inventory, and shipping.

  • storefronts
  • checkout
  • payments

WhatsApp for business

Official WhatsApp Business API integrations, campaigns, and chat automation, powered by ConverSyncPro, our own platform.

  • WhatsApp Business API
  • campaigns
  • automation

AI integrations

Assistants, retrieval, and automation built on your data, tested against evals before users see them.

  • assistants
  • RAG pipelines
  • automation

QA, testing & support

Automated test suites, release checks, and a support plan that keeps the product healthy after launch.

  • e2e testing
  • audits
  • support plans

Not sure which of these you need? Tell us what you are building and we will scope it with you.

Who it's for

A dedicated team, invested in your outcome.

One experienced team, a fixed scope, and accountability for the result. Here is who gets the most out of working with us, and how we deliver.

We are a strong fit if

  • Startups and teams taking a validated idea to a first product
  • Businesses replacing spreadsheets, manual steps, or an aging system with software that fits
  • Teams picking a stalled build back up and ready to see it finished
  • Leaders who want one accountable team for the whole outcome

How we deliver

  • One team owns the whole outcome: scope, design, build, and delivery, with a single point of accountability
  • Small on purpose: a focused team of experienced engineers, so decisions stay fast and quality stays high
  • Built with you: a short demo at every milestone, so you see progress early and steer it while it is cheap to change
  • Priced for the outcome: a fixed quote before we start, and work that earns what it costs
4–16 weeks

the typical project, from kickoff to launch, scoped and priced up front

Web apps & SaaS

our deepest specialization, with AI features layered on where they earn their place

New & existing

we build products from scratch and modernize the systems you already run

Process

How we build.

The same five steps in the same order on every project. You always know where we are, what ships next, and what it costs: no surprises.

  1. 01

    Discover

    Goals, users, and scope. We learn how your business works before we propose anything.

    You get: a scoped plan with pricing

  2. 02

    Design

    Flows and wireframes first, then polished UI. You react to something real, not a slide deck.

    You get: a clickable prototype

  3. 03

    Build

    A demo build lands on a staging link at every milestone, so progress is something you open, not a status report.

    You get: working software at every milestone

  4. 04

    Launch

    Hardening, QA, and deployment. We sweat the last five percent because that is the part your users meet first.

    You get: your product live

  5. 05

    Support

    Monitoring, fixes, and steady iterations. Launch is the start of the relationship, not the end of it.

    You get: a team that stays

Solutions

Built for what you're planning.

Whatever the product is, it lands as one of these shapes, and we have a build path for each.

SaaS

SaaS platforms & dashboards

Multi-tenant products with clean data boundaries, role-based access, and dashboards that surface the numbers people actually check. We design the data model first, then build every screen to answer a real question.

  • multi-tenant auth
  • billing
  • admin

E-commerce

E-commerce storefronts

Storefronts tuned for speed, because slow pages lose carts. We wire catalog, checkout, and payments into one clean flow, and make the whole thing easy to run from the back office.

  • catalog
  • checkout
  • payments

Mobile

Mobile apps

One codebase, native feel on both platforms, offline-aware where it matters. We handle store submissions end to end and keep every release small enough to ship calmly.

  • offline sync
  • push notifications
  • store releases

Internal tools

Internal tools & AI assistants

Assistants and admin tools that work on your own data, with guardrails you can audit. We connect models to your systems through explicit permissions, so answers stay grounded and access stays scoped.

  • retrieval
  • permissions
  • audit log
Stack

Tools we reach for.

We pick the stack the problem needs, not the one we already know.

Interface

ReactNext.jsTypeScriptTailwind CSSFlutterReact NativeSwiftKotlinFigma

Services & data

Node.jsPythonGoGraphQLPostgreSQLMongoDBRedisStripeSupabaseFirebase

Infrastructure

AWSGoogle CloudAzureDockerKubernetesTerraformVercelGitHub ActionsCloudflare

Proven by default. New where it earns its place.

Principles

How we work with you.

A new company earns trust with terms, not logos. These are ours, stated plainly and written into every engagement.

  • Experienced hands only

    The people who scope your project are the people who build it. Nothing is handed off to a second team you never meet.

  • Honest scope, honest timeline

    You get a written plan with pricing before you commit to anything. When a risk shows up, we flag it early and re-plan with you.

  • You own everything

    Code, repositories, infrastructure, and accounts sit under your name from day one. If we ever part ways, everything keeps working and stays with you.

  • We stay after launch

    Monitoring, fixes, and iteration are part of the engagement. Aftercare is how we work, not an upsell we quote later.

Commitments

0h

to a first proposal

0%

code ownership, yours from day one

0

dedicated experienced team on your project

demos

at every milestone, every engagement

FAQ

Answers before you ask.

The questions worth asking any agency before you commit, answered the way we would answer them on a call.

Still deciding?

A short call beats a long FAQ. Bring your question, and we will bring options and honest tradeoffs.

Ask us directly

A free intro call, then a short scoped discovery that ends in a fixed quote: you know the full price before any build work begins. The build bills in a few milestone payments, each tied to working software you have already seen in a demo. After launch, support runs as a flat monthly retainer you can stop any time. The price you approve is the price you pay.

Contact

Every system starts as a conversation.Let's start yours.

Tell us what you are planning: a new build, a rebuild, or a problem you want gone. We reply within one business day with real questions about your project, not a sales script.

Emailhello@openbuildsystems.com
Intro call30 minutes, free
What do you need?