about

We architect the software. We engineer the growth.

about us

A decade of partnering with companies on product engineering, data and AI.

Close collaboration

Everyone here builds. You speak directly with the people doing the work, reducing noise and keeping focus where it matters.

Extreme ownership

We don't hand off tickets. We take responsibility for outcomes, from architecture decisions to trade-offs.

Bias towards shipping

Discovery matters. Planning matters. But value starts in production, so we ship early and iterate with real data.

Build, train, transfer

We build it, train your team to own it, then step back. The goal is independence, not dependency.

What it's like to work with us

Six principles we lean on every day. They shape how we engage with each other and how we show up for the teams we partner with.

Twist

We don't do obvious. Every challenge gets a sharper angle, a better solution.

Good Vibes

We keep it positive, clear, and collaborative. No drama, no politics.

Stay Humble

No egos, no assumptions. We listen, we learn, and we let the work do the talking.

Care

We communicate with transparency and empathy. Your problems are our problems.

Ownership Mindset

We don't wait to be asked. We spot what needs doing and we do it.

Extra Mile

We raise the bar on everything we ship. If it can be better, it will be.

our team

Meet the minds behind Fasten Teams

An elite team of software architects, full-stack engineers, and growth specialists partnering with founders to ship production systems and scale revenue.

Ahmad S.

Founder & Senior Software Architect

Architects complex digital systems, AI agents, and product architectures for founders and enterprises.

Kazi Efazul Karim

Lead Full-stack Product Developer

Experienced fullstack engineer specializing in Next.js, React Native, custom APIs, and secure cloud operations.

Jakob Kaufmann

Head of Lead Generation and COO

Business development professional with a strong focus on digital products and growth engineering.

Mehedi Hasan Tanvir

Fullstack Developer

Fullstack developer focused on creative product experiences, technical growth implementations, and frontend interfaces.

testimonials

Don't take
our word for it.

“We have relied on Fasten Teams as a partner for quite a few years. They are a really good partner with a great team. They always deliver on expectations and are very responsive to our needs when they change. it is really hard to deliver quality year after year but Fasten Teams does exactly that.”

Mahedi Hossain

Founder & CEO

FAQ

What people ask about Fasten Teams.

What is Fasten Teams?

Fasten Teams is an end-to-end digital product and growth studio with offices in Berlin and Sydney. We architect the software and engineer the growth — building web, mobile, AI, and cloud products, then scaling them with performance marketing, technical SEO, and brand work. One elite team, one unified strategy.

How big is Fasten Teams?

What makes Fasten Teams different from a generalist agency or consultancy?

What industries does Fasten Teams serve?

Do you build AI into products?

Where is Fasten Teams based, and where are your clients?

What are your engagement models?

Let's talk

Ready to build?

AI agents, data platforms, or cloud-native products, tell us what you're working on and we'll take it from there.

Get in touch