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Service · Backend & Platform

Backend & Platform Architecture
for growing platforms

Scalable APIs, integrations, and reliability-focused infrastructure for platforms that have outgrown their first iteration.

Overview

Most products do not fail at the front end.

They fail in the seam between feature work and operations — data drift, broken integrations, no observability, no migration path. We design the backbone underneath the product: domain models, API contracts, event flows, deployment pipelines, and the operational tools your team actually needs.

from $3,000·6–12 weeks
01 / What we build

What we build

01

API & integration layer

REST or GraphQL APIs, queue-based integration with third parties, idempotent webhook handlers, and clear domain boundaries.

    02

    Data & storage

    PostgreSQL (Supabase or managed), ClickHouse / Redis where it earns its keep, schema migrations with rollback paths, no surprise refactors.

      03

      Reliability & observability

      Logs, metrics, and traces that are useful — not noise. Health probes, uptime monitoring, error budgets, and a runbook your team can act on.

        04

        Deployment & ops

        CI/CD with preview deploys, IaC for infrastructure, secrets management, and a documented production cutover — every release is boring on purpose.

          01 · How we start

          Every engagement starts with clear scope.

          Some projects begin with a short System Audit. Others with a focused website, booking platform, CRM, or custom portal. In every case we define the flow, system logic, responsibilities, and delivery plan before production work starts.

          5 days
          Architecture Sprint, optional
          €5k+
          Focused builds
          1 studio
          Scope, build and handover
          Book Architecture Sprint
          01 · Phase
          Workflows & data mapped
          We document workflows, roles, data and integrations with you.
          02 · Phase
          Scope & delivery plan
          Scope, system logic and the delivery plan are signed off before any code.
          03 · Phase
          Production build
          Implementation with hosting, monitoring and analytics from day one.
          04 · Phase
          Handover
          Hand-off including documentation — your team can own and extend it.
          Questions we often get

          Scenarios where teams like yours reach out.

          Scenario · 01

          “Do you rewrite legacy systems?”

          Rarely from scratch. Most engagements are strangler-fig migrations — domain by domain, with traffic gradually shifting from old to new while the team keeps shipping features.

            Scenario · 02

            “Do you work with our existing engineers?”

            Yes. We pair with internal teams: architecture reviews, code reviews, and embedded senior engineers when a project needs them.

              Scenario · 03

              “Which cloud and database do you default to?”

              Default stack: Vercel for the front, Supabase or managed Postgres for data, Cloudflare for edge + DNS, Sentry for errors, Plausible/PostHog for analytics. We adapt — AWS, GCP, Hetzner, or DigitalOcean when the operator has reasons.

                Scenario · 04

                “How do you handle secrets and compliance?”

                Secrets in 1Password or Doppler, never in repo. Per-environment vaults, rotated quarterly. For operators with EU traffic we plan GDPR consent + data-minimisation hooks from the first sprint. For UAE and SG we plan regional data residency.

                  Scenario · 05

                  “What happens after the migration ships?”

                  Two options: a retainer for ongoing platform support, or an Engineering Partnership with embedded senior engineers and monthly architecture reviews. Most operators stay on partnership for 6–12 months while their team levels up; some take the platform fully internal after handover.

                    How we deliver

                    How we deliver

                    Why H-Studio

                    An engineering studio — not an agency.

                    1. 01

                      Strangler-fig, not rewrite

                      We rarely tear down working code. The migration path is domain by domain — auth first, billing next, scheduling third — with traffic gradually shifting while the existing team keeps shipping features.

                    2. 02

                      Boring releases by design

                      Preview deploys per PR, smoke tests, blue-green cutover, instant rollback. The boring release is the deliverable — no Friday-night incidents, no all-hands triage when traffic peaks.

                    3. 03

                      Documented architecture decisions

                      Every meaningful choice — database, queue, hosting region, secret rotation — lives in an ADR (Architecture Decision Record) committed to the repo. Your next engineer reads context, not folklore.

                    4. 04

                      Observability is shipped, not bolted on

                      Logs, metrics, traces, and an actionable runbook ship with the first release — not after the first outage. Your team gets alerts that mean something, not Pagerduty noise.

                    05 / QUESTIONS

                    What operators usually ask.

                    Get started  ·  011

                    Let’s build what
                    moves you forward.

                    From idea to infrastructure — we help you design, launch, and scale systems that perform.

                    Studio
                    H-Studio Indonesia
                    Bali · APAC engineering
                    Contact
                    WhatsApp: +49 176 41762410
                    Office
                    CLN Building, Jl. Batu Bidak 88B
                    Kerobokan Kaja, Bali 80361