Modern frameworks
Next.js, React, and TypeScript with server components, type-safe APIs, and content-aware caching as defaults.
Web Development
Web platforms built to last.
We design, build, and operate web applications with modern frameworks, durable architecture, and accessibility built in.
Pillars
Web engineering pillars
Three areas we hold to a senior standard on every engagement — from framework choice to runtime performance.
Architecture and scaling
Composable services, event-driven flows, and cloud-native deployments that grow with your traffic and team.
Accessibility and performance
WCAG 2.2 AA targets, Core Web Vitals budgets, and observability wired in before launch — not bolted on after.
Recent work
Current projects at a glance
Selected product visuals from references already listed on our projects page.
Finance1Up Capital GmbH
1Up Capital – Instant Liquidity for Publishers
EventsAPIS Events
Strong Brand Web Presence for APIS Events
SoftwareFolkz GmbH
JobPost+ – Smart Recruiting Platform in Corporate Design
Social MediaIn2nite UG
Frynz – Social Networking in Real Time
GamesSL GmbH
Learn employment law playfully with LexQuiz!
SEOnot public
SEO Tool — Technical SEO with Real-Time Feedback
Sportnot public
Training Camp App – Appointments & Check-ins in Real Time
BlockchainVision Crypto LLC
Vision Wallet – Multi-Chain, Realtime, Exchange
PsychologyProf. Dr. Oettingen
WOOP App – Motivational Aid Reimagined
By the numbers
This is hafencity.dev
15+ Experts
Engineers, designers, and strategists working as one practice from our Hamburg HQ.
50+ Clients
Companies across consumer, healthcare, and B2B trust us with their digital products. Long-term partnerships are the default.
97% Recommendation rate
Repeat engagements and references our buyers actually call. Trust compounds when delivery does.
50+ Launches
Custom mobile and web products shipped from concept to maintenance — owned end-to-end by our team.
100% In-house
Strategy, design, and engineering all live at our Hamburg HQ. One team, one project lead, accountable to you from kickoff to launch.
Since 2023
Helping companies ship digital products — and growing alongside the teams we work with.
Next steps
Let's talk about your project
Book a 30-minute discovery call. We'll review your goals, surface unknowns, and outline how we would run the engagement.