Services

DevOps and engineering — at Hungarian tempo, on a NAV-compliant invoice.

Concrete services with concrete outcomes. Hourly or fixed-fee. Billed in HUF with itemised ÁFA.

In focus
10

React / Next.js

Modern UI focused on Hungarian conversion.

  • Modern UI for Hungarian webshops — focused on conversion and Web Vitals.
  • SSR / SSG / ISR with Next.js — Google indexing on Hungarian keywords.
  • Consistent design system across the product, with Hungarian-language typography.
  • Core Web Vitals tuning — <2 s LCP to Budapest behind NVMe + CDN.4hosting.net.
  • Clear onboarding and upsell flow aligned with Hungarian UX conventions.
HUF hourly · NAV invoiceRequest a quoteConsultation →
Other services
01

Docker and Kubernetes

Container architecture for Hungarian SMBs and SaaS.

  • Microservice architecture tailored to Hungarian e-commerce and SaaS platforms.
  • Kubernetes cluster with autoscaling, sized for peak loads (Black Friday, SMB seasonality).
  • Namespace- and workload-level security policies, GDPR-aligned.
  • Controlled rollout/rollback — zero-downtime, using off-hours windows for Hungarian businesses.
  • Cluster and resource cost optimisation against a HUF monthly budget.
Open
02

PostgreSQL and ClickHouse

OLTP, analytics and NAV reporting on one data layer.

  • OLTP schema design — ready for Számlázz.hu, Billingo, and custom ERP integration.
  • ClickHouse warehouse: NAV Online Számla export, BI reports, real-time webshop analytics.
  • Streaming replication and a tested recovery plan (RPO 5 min, RTO 1 hour).
  • Indexing and query tuning for ÁFA-return / month-end close peaks.
  • Partitioning along Hungarian year-end reporting cycles (Jan / Jun / Dec).
Open
03

MongoDB and Redis

Flexible schema + caching layer for fast-moving teams.

  • Flexible MongoDB schema for fast-changing Hungarian webshop catalogues.
  • Redis cache strategy — per-page latency <40 ms to Budapest.
  • TTL and eviction policy tuned to Hungarian daily traffic patterns.
  • Read and write scaling at peak, sharding for 100k+ daily orders.
  • Access hardening and GDPR-compliant data persistence in an EU data center.
Open
04

ChromaDB and Qdrant

Vector DB for Hungarian-language RAG and semantic search.

  • Embedding pipeline for Hungarian-language documents (NAV records, SMB policies, terms of service).
  • Vector indexes optimised for semantic search with Hungarian morphology.
  • Hybrid filtering on metadata + similarity — category, date, ÁFA classification.
  • RAG strategy with Hungarian-capable LLMs (Llama 3, Mistral) — relevant answers with source citation.
  • Latency tuning for production inference, running on the GPU cluster.
Open
05

CI/CD and monitoring

Stable release flow with Hungarian on-call practice.

  • GitLab CI or GitHub Actions pipeline — automated build, test, deploy.
  • Blue-green or canary release strategy — within Hungarian off-hours windows.
  • Full observability: Prometheus + Grafana + Loki with Hungarian-language dashboards.
  • SLO/SLA-based alerting with Hungarian-language incident escalation (phone + email).
  • Hungarian-language runbook for each critical incident class (DB outage, NAV sync failure).
Open
06

Mailu and SMTP Relay

Own-domain mail + transactional SMTP with Hungarian deliverability.

  • Mailu deployment — mailboxes, webmail and aliases on your own .hu domain.
  • Separate SMTP relay for transactional mail (order confirmation, NAV notification).
  • SPF, DKIM and DMARC set up at launch — high deliverability with Hungarian and foreign ISPs.
  • Mailbox hosting and outbound relay isolated so marketing sends don't hurt transactional reputation.
  • Migration from cPanel, Google Workspace, or .hu providers (Tárhely.eu, Webonic).
Open
07

PHP and Python

Backend APIs and automation for Hungarian business workflows.

  • Backend APIs alongside WooCommerce and Magento — billing, inventory, NAV sync.
  • Automating repetitive tasks: NAV Online Számla, bank statement import, ÁFA prep.
  • Refactoring legacy PHP without downtime (Symfony / Laravel migration).
  • Endpoint-level security and input validation — aligned with Hungarian terms of service.
  • Hungarian-language technical documentation for the in-house team.
Open
08

Go and Java

High-performance microservices for enterprise integration.

  • Go microservices on critical paths (payment processing, NAV gateway).
  • Stable API contracts — OpenAPI / gRPC — for Hungarian partner integrations.
  • Concurrency tuning — parallel processing of Hungarian bank batch files and NAV returns.
  • Integration with existing enterprise systems: SAP, Microsoft Dynamics, Oracle.
  • Automated tests against the Hungarian tax ruleset (27% / 18% / 5% ÁFA, KATA, EVA).
Open
09

Node.js and TypeScript

Full-stack platforms with short release cycles.

  • Full-stack platforms: NestJS / Next.js, short release cycles for Hungarian startups.
  • Strict TypeScript typing — fewer production runtime errors.
  • Modular architecture that scales from the Hungarian market to European reach.
  • Real-time integrations (WebSocket, Server-Sent Events) — Hungarian webshop chat, dashboards.
  • API observability and end-to-end tracing with Hungarian-language error reports.
Open
11

Flutter / React Native

One codebase. iOS and Android. Hungarian store publication.

  • iOS and Android app from a single codebase — Flutter or React Native.
  • Offline-first architecture — usable on weak coverage (rural Hungary).
  • Secure API integration and strong authentication (BankID, Ügyfélkapu adapter).
  • Assisted App Store and Google Play publication with Hungarian localisation.
  • Continuous maintenance and iterative releases aligned with the Hungarian business calendar.
Open