Book meeting

Book meeting

Book meeting

PostgreSQL

PostgreSQL

Entwicklung

Entwicklung

Zuverlässige Datenbanken seit 1996 – PostgreSQL‑Consulting für Unternehmen.

Zuverlässige Datenbanken seit 1996 – PostgreSQL‑Consulting für Unternehmen.

Book initial consultation

Book initial consultation

Book initial consultation

Some of our 40+ loyal customers

Über Video
Über Video
Über Video

Your Sparring Partner

Your Sparring Partner

Your Sparring Partner

We are a tech agency based in Hamburg, specializing in custom software, web & mobile apps, and design.

We are a tech agency based in Hamburg, specializing in custom software, web & mobile apps, and design.

We are a tech agency based in Hamburg, specializing in custom software, web & mobile apps, and design.

Fixed Point of Contact

A fixed point of contact throughout all your projects. Reliable, accessible, and always in the know.

In-House

We do not let go of anything. Our projects are developed entirely within our team – with full focus and control.

Services

Services

Services

Warum PostgreSQL?

PostgreSQL bietet mittelständischen Unternehmen eine ideale Balance aus Stabilität, Skalierbarkeit und Kostenkontrolle. Unsere zertifizierten Spezialisten setzen auf Best‑Practices, automatisierte Tests und CI/CD‑Pipelines, damit dein Projekt sicher, wartbar und zukunftsfähig bleibt. Von der Konzeption über die Entwicklung bis zum Betrieb begleiten wir dich ganzheitlich und sorgen dafür, dass du schneller auf den Markt kommst – bei maximaler Transparenz und planbaren Budgets.

ACID Konformität

ACID Konformität Mit PostgreSQL realisieren wir Projekte die deutschen Mittelstandsunternehmen messbaren Mehrwert bieten Unsere Experten nutzen Best Practices um Risiken zu minimieren Prozesse zu beschleunigen und nachhaltige Skalierbarkeit sicherzustellen So profitierst du von kurzen Release Zyklen planbaren Kosten und zufriedenen.

Erweiterbarkeit

Erweiterbarkeit – Mit PostgreSQL realisieren wir Projekte, die deutschen Mittelstandsunternehmen messbaren Mehrwert bieten. Unsere Experten nutzen Best Practices, um Risiken zu minimieren, Prozesse zu beschleunigen und nachhaltige Skalierbarkeit sicherzustellen. So profitierst du von kurzen Release‑Zyklen, planbaren Kosten und zufriedenen Anwendern.

Open‑Source Lizenz

Open Source Lizenz Mit PostgreSQL realisieren wir Projekte die deutschen Mittelstandsunternehmen messbaren Mehrwert bieten Unsere Experten nutzen Best Practices um Risiken zu minimieren Prozesse zu beschleunigen und nachhaltige Skalierbarkeit sicherzustellen So profitierst du von kurzen Release Zyklen planbaren Kosten und.

Individual software

SEO Tool – Technisches SEO mit Echtzeit-Feedback

Aufgabe
Die Marketing-Abteilung benötigte ein Tool, das Live-Fehleranalysen, automatische Handlungsempfehlungen und ein kollaboratives Redaktions-Dashboard vereint – ohne komplexe On-Prem-Set-ups.

Unsere React-Lösung
Single-Page-App mit React + TypeScript, shadcn/ui-Komponenten und WebSockets für Live-Crawling-Resultate. PostgreSQL treibt das Regel-Engine-Backend, während SSR für perfekte Core Web Vitals sorgt.

Ergebnis
Das Tool liefert heute sekundenschnelle Audit-Ergebnisse, generiert priorisierte Tasks und steigert Content-Teams die Effizienz um über 40 %. Es reduziert Fehl-Deploys und spart internen SEO-Teams enorm viel Zeit.

This is us in Numbers

This is us in Numbers

This is us in Numbers

Since our founding, we have been accompanying companies on their journey to digital success.

11

Heads

Project managers, designers, and developers work hand in hand with us – all in-house and perfectly coordinated.

Community
Community
Community

40+

Customers

Companies from various industries rely on our expertise and trust our solutions.

4

Team Events

in the year, that makes colleagues into a real team.

Video Background
Video Background
Video Background

600k

Downloads

Our mobile apps reach users worldwide - with performance that convinces.

13

Workshops

In 2024, we prepared teams for the practical use of artificial intelligence and sustainably optimized their processes.

Community
Community
Community

Our customers rate us 4.98/5

Customers rate us 4.98/5

This is how people talk about us

  • The agency helped us build a web app. The collaboration with the agency felt as though we had the developers in-house and not externally. Always very timely feedback and updates.

    Maximilion Seeburg

    1Up Capital GmbH

  • The agency helped us develop an app and launch it. Fast and straightforward communication. Quick adaptation to changes.

    Stefan Reiner

    SL playfully learning GmbH

  • [...] very good and creative suggestions on how to improve the app, and the straightforward and direct collaboration. They also did not shy away from putting extra work into the app so that it can better meet the needs of the users.

    Prof. Dr. Gabriele Oettingen

    WOOP

  • hafencity.dev helped us build a SaaS tool in the HR sector and did an excellent job. The implementation was perfect, and during the concept phase, the team was a competent sparring partner and source of inspiration.

    Simon Schäfer

    Folkz GmbH

  • [...] The team led by Hauke quickly familiarized themselves with our complex project, asked smart questions, and considered important aspects during the introductory meeting. You can tell that genuine interest and a lot of experience come together here on the client side. [...]

    Felix Nunn

    PaarBalance GmbH

  • Entwicklung einer mobilen App und einer dazugehörigen Website für unser Projekt. Von der Gestaltung bis zur finalen App haben wir rasche Fortschritte gemacht und sind mit dem Ergebnis zufrieden. Wir haben über 100.000 Downloads erreicht und eine zufriedene Community.

    Jana

    Go 428 LLC

  • The agency helped us build a web app. The collaboration with the agency felt as though we had the developers in-house and not externally. Always very timely feedback and updates.

    Maximilion Seeburg

    1Up Capital GmbH

  • The agency helped us develop an app and launch it. Fast and straightforward communication. Quick adaptation to changes.

    Stefan Reiner

    SL playfully learning GmbH

  • [...] very good and creative suggestions on how to improve the app, and the straightforward and direct collaboration. They also did not shy away from putting extra work into the app so that it can better meet the needs of the users.

    Prof. Dr. Gabriele Oettingen

    WOOP

  • hafencity.dev helped us build a SaaS tool in the HR sector and did an excellent job. The implementation was perfect, and during the concept phase, the team was a competent sparring partner and source of inspiration.

    Simon Schäfer

    Folkz GmbH

  • [...] The team led by Hauke quickly familiarized themselves with our complex project, asked smart questions, and considered important aspects during the introductory meeting. You can tell that genuine interest and a lot of experience come together here on the client side. [...]

    Felix Nunn

    PaarBalance GmbH

  • Entwicklung einer mobilen App und einer dazugehörigen Website für unser Projekt. Von der Gestaltung bis zur finalen App haben wir rasche Fortschritte gemacht und sind mit dem Ergebnis zufrieden. Wir haben über 100.000 Downloads erreicht und eine zufriedene Community.

    Jana

    Go 428 LLC

  • The agency helped us build a web app. The collaboration with the agency felt as though we had the developers in-house and not externally. Always very timely feedback and updates.

    Maximilion Seeburg

    1Up Capital GmbH

  • The agency helped us develop an app and launch it. Fast and straightforward communication. Quick adaptation to changes.

    Stefan Reiner

    SL playfully learning GmbH

  • [...] very good and creative suggestions on how to improve the app, and the straightforward and direct collaboration. They also did not shy away from putting extra work into the app so that it can better meet the needs of the users.

    Prof. Dr. Gabriele Oettingen

    WOOP

  • hafencity.dev helped us build a SaaS tool in the HR sector and did an excellent job. The implementation was perfect, and during the concept phase, the team was a competent sparring partner and source of inspiration.

    Simon Schäfer

    Folkz GmbH

  • [...] The team led by Hauke quickly familiarized themselves with our complex project, asked smart questions, and considered important aspects during the introductory meeting. You can tell that genuine interest and a lot of experience come together here on the client side. [...]

    Felix Nunn

    PaarBalance GmbH

  • Entwicklung einer mobilen App und einer dazugehörigen Website für unser Projekt. Von der Gestaltung bis zur finalen App haben wir rasche Fortschritte gemacht und sind mit dem Ergebnis zufrieden. Wir haben über 100.000 Downloads erreicht und eine zufriedene Community.

    Jana

    Go 428 LLC

  • The agency helped us build a web app. The collaboration with the agency felt as though we had the developers in-house and not externally. Always very timely feedback and updates.

    Maximilion Seeburg

    1Up Capital GmbH

  • The agency helped us develop an app and launch it. Fast and straightforward communication. Quick adaptation to changes.

    Stefan Reiner

    SL playfully learning GmbH

  • [...] very good and creative suggestions on how to improve the app, and the straightforward and direct collaboration. They also did not shy away from putting extra work into the app so that it can better meet the needs of the users.

    Prof. Dr. Gabriele Oettingen

    WOOP

  • hafencity.dev helped us build a SaaS tool in the HR sector and did an excellent job. The implementation was perfect, and during the concept phase, the team was a competent sparring partner and source of inspiration.

    Simon Schäfer

    Folkz GmbH

  • [...] The team led by Hauke quickly familiarized themselves with our complex project, asked smart questions, and considered important aspects during the introductory meeting. You can tell that genuine interest and a lot of experience come together here on the client side. [...]

    Felix Nunn

    PaarBalance GmbH

  • Entwicklung einer mobilen App und einer dazugehörigen Website für unser Projekt. Von der Gestaltung bis zur finalen App haben wir rasche Fortschritte gemacht und sind mit dem Ergebnis zufrieden. Wir haben über 100.000 Downloads erreicht und eine zufriedene Community.

    Jana

    Go 428 LLC

Some of our 40+ loyal customers

[...] very good and creative suggestions on how to improve the app, and the straightforward and direct collaboration. They also did not shy away from putting extra work into the app so that it can better meet the needs of the users.

Prof. Dr. Gabriele Oettingen

WOOP

[...] very good and creative suggestions on how to improve the app, and the straightforward and direct collaboration. They also did not shy away from putting extra work into the app so that it can better meet the needs of the users.

Prof. Dr. Gabriele Oettingen

WOOP

[...] The team led by Hauke quickly familiarized themselves with our complex project, asked smart questions, and considered important aspects during the introductory meeting. You can tell that genuine interest and a lot of experience come together here on the client side. [...]

Felix Nunn

PaarBalance GmbH

[...] The team led by Hauke quickly familiarized themselves with our complex project, asked smart questions, and considered important aspects during the introductory meeting. You can tell that genuine interest and a lot of experience come together here on the client side. [...]

Felix Nunn

PaarBalance GmbH

The agency helped us build a web app. The collaboration with the agency felt as though we had the developers in-house and not externally. Always very timely feedback and updates.

Maximilian Seeburg

1Up Capital GmbH

The agency helped us build a web app. The collaboration with the agency felt as though we had the developers in-house and not externally. Always very timely feedback and updates.

Maximilian Seeburg

1Up Capital GmbH

From now on, we are a team

Write to us - together we'll find out if we can support you with your project.

Book meeting

From now on, we are a team

Write to us - together we'll find out if we can support you with your project.

Book meeting

From now on, we are a team

Write to us - together we'll find out if we can support you with your project.

Book meeting