AI assistants
AI integration into processes and products.
Are your releases always late?
Softwaredone right.
We start with a diagnosis. That's how we build or redesign the software your business really needs.
Companies that have trusted us
- Vodafone
- Scout24
- FLOWFACT
- 2Scale
- AppBrilliance
- Gooten
- Aareon
- Interesse365
- Mazda Insurance
How we work
CABOS Method
A five-step method to get to know your project in depth and solve it from start to finish. This is how we work with you:
- 01
Comprehensive consulting
Understand the organization, its context, and its objectives.
- 02
Analysis
Identify the organization's needs and root causes accurately.
- 03
Building the Solution
Define the combination of tools and strategies that will address the organization's needs.
- 04
Operation
Implement the solution with our multidisciplinary team.
- 05
Support
Evaluate the performance of the implemented solution and adjust as needed.
The 7 tools
The diagnosis defines which tools come in, and in what order...
We combine them, or choose the right one, based on what we find.
Cloud optimization
Building isn't always the answer; optimizing what already exists often is.
Cybersecurity
Secure infrastructure and protection.
Test automation (QA)
Quality as part of the process, not as a final step.
DevOps
Infrastructure, deployment and continuous operation.
Data science
Data intelligence for business decisions.
UX/UI design
Design focused on the end goal and the right audience.
7 toolsKeep scrolling →
Short videos from real projects
See it working
We integrate AI assistants into products and processes that already exist.
We test your software before each launch to catch bugs in time.
Success Stories
Pick a client to see how we worked together
E-commerceCloud optimizationQA
Releases on time, again.
01Challenge
Releases kept slipping and QA could not scale.
02Diagnosis
A testing and scrum process that was slowing the team down.
03Result
Modernized QA, a scalable team and on-time releases.
“Stack & Vault modernized our QA function and increased our ability to release software on schedule.” Brian Rainey · CEO, Gooten
Day to day
While you get on with your day, we take care of it
What you getYou ship on timeEvery version is tested before it reaches your users.
What you getYou pay lessYour infrastructure uses only what it needs.
What you getYou sleep wellWe watch for threats and block them before they reach you.
What you getZero downtimeYou release changes without stopping your business.
What you getYou decide with dataClear reports whenever you need them.
What you getYour customers never waitInstant answers, any time of day.
- Stack & Vault · QA: Tests ready. Automated tests now run on your project: 248 passed before today’s release.
- Stack & Vault · Cloud: A lighter cloud. We tuned your servers. This month you’ll pay 32% less without losing speed.
- Stack & Vault · Security: All secure. We detected and blocked a suspicious login to your server. No action needed.
- Stack & Vault · DevOps: Version 4.2 is live. Your new version is in production with zero downtime.
- Stack & Vault · Data: Your weekly report. Sales rose 18% this week. The details are ready for your meeting.
- Stack & Vault · AI: Your assistant is live. We added an AI assistant to your support: it solved 120 questions this morning.
Illustrative messages
Who we are
A multidisciplinary team of elite software engineers.
We work remotely with clients anywhere in the world, as an extension of your own team.
2019The year we started
4+Industries: finance, e-commerce, real estate and telco
GlobalClients anywhere in the world
7Combinable tools
The team
The people behindevery diagnosis
Ricardo ArosteguiCEO & Co-founderRicardo ArosteguiCEO & Co-founder
Leads Stack & Vault's strategy and guides every client from the first diagnosis to results.
Andoni ArosteguiCTO & Co-founderAndoni ArosteguiCTO & Co-founder
Sets the technical direction of every project and makes sure each solution solves the root cause, not just the symptom.
Katia ShelehSr Frontend DeveloperKatia ShelehSr Frontend Developer
Turns design into fast, accessible, maintainable interfaces.
Ana Paula MuñozDesign LeadAna Paula MuñozDesign Lead
Leads product and brand design, so every solution looks and feels as good as it works.
Tessa ArosteguiCommunicationsTessa ArosteguiCommunications
Gives Stack & Vault its voice and makes sure every message is clear, in Spanish and English.
5 peopleKeep scrolling →
In our founders' words
Andoni ArosteguiCTO & Co-founder · Stack & Vault
“It's really difficult nowadays to find a reliable partner who will help you solve your software challenges.”
Andoni ArosteguiCTO & Co-founder · Stack & VaultWhat defines us
Three commitments behind every project, from diagnosis to follow-up.
Your trust
Problems without an obvious answer are the ones we know how to diagnose and solve. If you already tried and it didn't work, that's where we start.
Our transparency
We own our part of the outcome, as a team.
Effectiveness
We diagnose precisely and go straight to the point that needs solving.
Daniel KimCTO, FLOWFACT
“Stack & Vault modernized our QA function and increased our ability to release software on schedule.”
“Ricardo and his team were instrumental in designing, publishing and maintaining the website.”
“The most talented and professional group of developers our team has ever worked with.”
“Stack & Vault has been a tremendous asset for the projects we take on.”
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