We’re DECODE

If you need custom AI software, want to fill critical gaps in your engineering team, or need to modernize your legacy systems, you’re in the right place.

  • Product-minded engineers who focus on the “why,” not just the “how.”
  • Agentic development processes that cut timelines in half.
  • Strict 1 team – 1 project policy, so your product gets our full focus.

You’ll be talking with our technology experts.

Trusted by great companies

RoyalCaribbean logo
Norfolk southern
ATT
Microsoft logo
Contentsquare
sofascore 2

A look at our services

Plan and validate

We help you make better product decisions before development, wherever you are in the process.

AI opportunity assessment →

Technology consulting →

Product discovery →

MVP scoping →

Scale and grow

We improve your product based on real data, optimizing performance and cost.

AI optimization & enhancements

Continuous product development


How our experts think

Our team takes you inside their roles with in-depth conversations that break down how we build, deliver, and scale software at DECODE.

Clients who love working with us

Tech teams looking for expert engineers

Your team is under pressure to deliver, but you’re missing key expertise in a few areas. You need senior engineers who can fill critical gaps and keep delivery on track.

Team-based collaborations

Established businesses looking to modernize

Outdated systems and manual processes are slowing your business down. You need to build or modernize software to improve operations and customer experience.

Project-based collaboration

One team, One project

Senior software engineers 1

Something magical happens when software engineers aren’t context-switching: they start to care deeply about the project. That’s why we implemented our “one team, one project” policy.

When you work with DECODE, our teams work on one thing: your product. Because they have the space to care, they’ll challenge bad decisions, bring their own ideas, and hold themselves accountable for the outcome. You’ll notice that within the first few weeks of working with us.

We take on fewer clients than we could. Every project gets our best work because of it.

See how we work in detail →

I am continually impressed by the level of pride and ownership that DECODE takes in the work they perform for us. They treat our products as if they are their own, which translates into better user experiences for our customers.
Kenneth Huebsch
Software Engineering Manager at Qrypt →

What this approach delivers

new image Metaswitch

Scaled a 21 senior mobile team for a leading telco software vendor →

We scaled a global tech leader’s mobile engineering from a small iOS team to 21 engineers across four platforms, becoming fully integrated after strict due diligence and delivering reliable end-to-end support.

Industry

Telecom

Location

UK

Co. type

Enterprise

thumbnail rails

Modernized processes and saved $100M+ for a class I railroad →

We built a capacity-planning platform that processes 400,000+ daily reservations, gives real-time visibility, and cuts manual work and operational costs for a major US rail operator.

Industry

Railroad

Location

US

Co. type

Enterprise

Suplentia 1

Designed and built a scalable AI health platform →

We built a platform that helps health professionals assess clients through structured questionnaires, review results, and create personalized supplement plans. It connects to the client’s product catalog, supports ordering, and includes tools like scheduling, client dossiers, and AI-assisted notes.

Industry

HealthTech

Location

Netherlands

Co. type

SME

Frame 2608179

Built a mobile app for 70,000 Royal Caribbean crew across 40 ships →

We built a mobile app that brings crew communication, scheduling, and daily tasks into one place. Using React Native and Java Spring Boot, we designed the app to work reliably even offline, giving crew access to essential tools no matter where the ship is sailing.

Industry

Hospitality

Location

US

Co. type

Enterprise

That’s only a snapshot of our impact. Discover what we’ve built across industries in our — Case studies →

DECODE Custom Software development

ISO

We’re ISO 27001 certified

4.5

years of client collaboration,
on average

EU

EU-based software development company

In the spotlight
See all →
gigapixel How to build engineering teams

A practical handbook created by experts leading teams on projects for Microsoft, AT&T, and Royal Caribbean. Learn how to build and scale your team, while getting ahead of growing pains — before they start.

Get the full handbook as a PDF →

The Roadmap podcast

A podcast where tech leaders, founders, and product owners share real stories, hard lessons, and bold ideas on building exceptional software products. Listen to our latest episodes: