Achieve digital sovereignty: concrete steps for cloud strategy, data management, software architecture, and AI. The practical guide for IT decision-makers.
We’re DECODE
Your full-service software development partner.
If you need custom AI software, want to fill critical gaps in your engineering team, or wish to modernize your legacy systems, you’re in the right place.


You’ll be talking with our technology experts.
Trusted by great companies
What makes us different
Product-minded
Our senior teams focus on your business outcomes. We think about the “why” not just the “how,” and that ultimately leads to a better product.
1 Project — 1 Team
Once we assign a team to you, their focus is only on your project. That means faster development and no context switching.
Agentic engineering
We combine AI-driven workflows with senior engineers to deliver complex software faster without compromising quality or security.
A look at our services
Plan and validate
We help you make better product decisions before development.
Design and build
We build scalable, high-performance software with senior, multidisciplinary teams.
Scale and grow
We can either optimize your business processes using AI or grow your software product based on real data and structured analysis.
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.
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Outdated systems and manual processes are slowing your business down.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.
Creating real business value with AI
We use AI to build powerful features for your product or optimize your internal business processes. Either way, your business will benefit.
Fields of expertise
We regularly dive deep into a wide range of industries and challenges, including…

Businesses thrive when communication is crystal clear. We can make staying in contact effortless.

In today’s financial services space, the big names must be as disruptive as the emerging startups. We’ll keep your company on the money.

Great care starts with the right support. We design tools that help healthcare professionals work better, together.

Logistics systems need to handle constant change without missing a beat—we build platforms that keep everything running smoothly.

Intuitive software and apps can make connected devices do amazing things. We’ll get them talking to each other fluently.

Hospitality, education, productivity and location-based tech are just some of the many other worlds we can help you navigate.
One team, One project

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.
What this approach delivers

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

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

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

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 →

ISO
We’re ISO 27001 certified
4.5
years of client collaboration,
on average
EU
EU-based software development company
In the spotlight

A practical handbook created by our experts who have led 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.
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:
- Achieving digital sovereignty: concrete steps for cloud, data, software, and AI
- 4 software release checklists for smoother launches
A practical toolkit for planning, launching, and following up on software releases.
We’re proud to announce the successful delivery of a new reservation system for Norfolk Southern, a major U.S. freight railroad company that currently provides rail transportation and related logistics services across a 22-state network.
Still unsure about something?
Don’t worry, whatever it is, we’ve got you covered in our FAQ.
At DECODE, we build custom software tailored to your business needs. This includes:
- Enterprise platforms – Scalable systems built for complex operations and high user volumes.
- Consumer-facing apps – Web and mobile products designed for usability and engagement.
- Digital transformation solutions – Modernizing legacy processes with IoT, automation, and smart integrations.
- Rapid prototyping & MVPs – Turning ideas into testable, launch-ready products quickly.
Every product we build is designed with scalability, maintainability, and long-term growth in mind, ensuring it continues to deliver value as your business grows.
DECODE has been delivering enterprise-grade software since 2012. A few examples include:
- Security enhancement for a US telco leader: Conducted penetration testing on mobile hardware and OS to ensure enterprise-grade security.
- Carrier-grade unified communications app: Partnered for 8 years, growing our team from 5 to 17 engineers while scaling the platform.
- Mobile version of a market-leading web SDK: Delivered with a team of 10 engineering experts for a long-term client.
- Banking apps for an Italian banking group: iOS and Android apps for a client with a market value of over €30 billion.
- Railroad reservation system: Delivered complex railroad asset allocation software within 4 months and built a team of 20 engineering experts in 6 weeks.
Our track record proves we can handle scale, complexity, and long-term partnerships.
Our engineers have deep experience tackling some of the most complex challenges across niche industries. Examples include:
- Disconnected global communication: Building a chat app for crew members traveling across the globe without reliable internet.
- Financial systems: Developing complex payment systems for large banks.
- Industrial / logistics: Implementing unique business logic for a $12B company.
- IoT & connected devices: Designing scalable solutions that connect physical devices with digital platforms.
This expertise means we can quickly step into niche industries and add value from day one, combining technical skill with strategic insight to solve even the toughest problems.
We work across the full spectrum of software development, from native mobile apps and cross-platform solutions to web applications, backend systems, and complex integrations.
We’re at our best on projects where our senior expertise can make a strategic difference.
- Enterprise collaboration: We often integrate with large in-house engineering teams to accelerate delivery and bring niche expertise. For example, we partnered with a US $12B company, joining a 200-engineer team with a small team of 10 high-quality experts, solving complex engineering challenges at scale.
- Greenfield projects: We also work with experienced founders to build products from discovery to launch. In these cases, we guide product strategy, design, and architecture while delivering high-quality, scalable code.
In short: Whether we’re strengthening an enterprise engineering team or building a product from scratch, we focus on projects where our expertise makes the biggest difference.
We start by analyzing your current workflows and identifying what slows your team down down. Then we design and build a custom software solution that simplifies those workflows.
For example, we can automate reporting and approval processes, replace spreadsheets with tailored platforms, or connect separate systems into a single, more efficient setup.
The result is software that fits with your existing tools, reduces manual work, and helps you make faster, data-driven decisions.
You can usually book a free call within 24 hours using our consultants’ Calendly links.

Marin
Chief Client Officer

Ivor
Client Strategy Specialist

