Rated 4.97/5 from over 50 reviews

Custom Software Development & Process Automation

Tailored software systems engineered for real business processes, internal operations, and enterprise workflows — built with German-level reliability, enterprise-grade security, and future-proof architecture.

We create custom platforms, automation systems, internal tools, data processing pipelines, and enterprise-ready applications that improve efficiency, reduce manual work, and scale with your company. Our engineering approach combines backend architecture, frontend development, DevOps, data engineering, and AI — resulting in complete, production-ready solutions.

What We Deliver

Business Process Automation

  • Workflow automation (CRM, ERP, finance, logistics, HR)
  • Internal tools replacing spreadsheets & manual operations
  • Employee dashboards, admin panels, management systems
  • Approval flows, role-based permissions, audit logging
  • Automated notifications, routing rules, data validation

Enterprise Systems

  • Corporate platforms with multi-role access
  • Secure identity & access management (OAuth2, MFA, SSO, Keycloak)
  • Integrations with ERP/CRM/HR systems (SAP, HubSpot EU, Pipedrive EU)
  • Reporting engines, analytics modules, API layers
  • Multi-language corporate systems for EU teams

Custom Applications

  • Java / Spring Boot + React / Next.js applications
  • Domain-driven architectures tailored to your workflows
  • Portals for partners, clients, vendors, internal teams
  • Multi-tenant architectures for SaaS platforms
  • Configurable modules, localization, feature toggles

Data & Reporting Systems

  • ETL pipelines (Kafka → PostgreSQL / ClickHouse / Oracle)
  • Real-time reporting engines (PDF/XLS/CSV generation)
  • BI integrations (Looker, Metabase, Supabase dashboards)
  • High-volume data processing and aggregation layers

API & System Integration

  • Building unified ecosystems from multiple tools
  • REST, SOAP, GraphQL, Kafka, gRPC
  • Integrations with logistics, payment providers, CRMs, marketplaces
  • Legacy system modernization and stable API wrappers
  • Secure B2B integrations for enterprise workflows

Custom AI Tools

  • On-server inference with TensorFlow/Keras/PyTorch
  • AI dashboards: image, video, text processing
  • LLM-powered assistants for operations & data handling
  • AI enrichment tools for internal workflows
  • Marketing and back-office automation

Why German Companies Choose Our Custom Software

EU-based hosting & infrastructure (Frankfurt / Amsterdam)
Full GDPR / DSGVO compliance
Enterprise-grade security and identity management
Scalable architecture designed for high-load cases
Experience with banks, fintech, consulting, logistics & real estate
Senior engineering team (Java, Spring Boot, React, Next.js, DevOps)
Long-term maintainability (clean code, documentation, CI/CD)

Industries We Serve

Consulting & professional services
Financial & banking (Fintech, payments, identity)
Real estate & property management
Logistics & transportation
Legal and compliance
Healthcare & wellness
Education & EdTech
B2B SaaS platforms
Enterprise operations & internal tools

Process: How We Build Custom Software

1 — Discovery & Architecture

  • Requirements analysis
  • Process mapping and workflow definition
  • Architecture design (backend, frontend, integrations)

2 — System Design & UX

  • User flows
  • Role-based access planning
  • Clean, functional UI patterns

3 — Development

  • Java/Spring Boot backend
  • React / Next.js frontend
  • Data pipelines, automation, integrations
  • Security and encryption setup

4 — Testing & Hardening

  • Load tests
  • Security audits
  • Integration testing
  • CI/CD pipelines

5 — Launch & Support

  • Documentation
  • Monitoring dashboards
  • Long-term maintenance options

EU & German Compliance

GDPR/DSGVO compliance (data retention, audit logs)
EU-based servers (Frankfurt / Amsterdam)
Schrems II compliant data handling
Encrypted storage, secure API access
Role/permission-based access to all systems
Logging, audit trails, monitoring

When You Need Custom Software

Ideal when you want:

To replace inefficient manual processes
A platform built specifically for your operations
A secure internal system that scales with your company
Integration of multiple disconnected tools
Migration from outdated or legacy systems
A backend that handles complex logic or high load
A long-term scalable system (not temporary patches)
Ownership over your infrastructure and data

Tools & Technologies

Backend

Java 21, Spring Boot, Spring Cloud, PF4J, OSGi

Frontend

React, Next.js, TypeScript, Tailwind

Data

PostgreSQL, ClickHouse, Oracle, Redis

Integration

REST, SOAP, GraphQL, Kafka, gRPC

Security

OAuth2, Keycloak, CAS, JWT, MFA, SSO

AI

TensorFlow, Keras, PyTorch, LLM-based tools

Infrastructure

Docker, Kubernetes, Ubuntu Server, CI/CD Pipelines

Reporting

PDF/XLS/CSV generators, data pipelines

FAQ

Do you build internal corporate systems?

Yes — dashboards, workflow tools, approval systems, reporting engines.

Can you integrate with our ERP/CRM?

Yes — SAP, HubSpot EU, Pipedrive EU, Bitrix24 DE, HR systems, finance tools.

Do you replace spreadsheets and manual workflows?

Yes — that's one of the most common use cases.

Can you migrate our old system?

Yes — we modernize legacy apps and build API layers around them.

Do you handle high-load or enterprise-grade systems?

Yes — our team has built systems used by banks and large enterprises.

What types of custom software do you build?

Internal tools, dashboards, enterprise systems, reporting engines, CRM/ERP extensions, and custom applications for complex workflows.

Can you integrate with our existing software?

Yes — we integrate with CRMs, ERPs, accounting systems, payment providers, marketplaces, and legacy enterprise platforms.

We work with companies in Berlin and across Germany, delivering Next.js and React website development, corporate website relaunches, and SEO-optimized landing pages. Our Berlin-based team specializes in technical SEO optimization, GDPR-compliant web design, and performance-first web development for B2B agencies and enterprises.

Custom Software Development in Berlin | H-Studio