Software consulting · Puerto Rico
Good software.
Sound engineering.
Real progress.
We build products, modernize systems, and put AI to work. Hands-on software engineering from the first architecture decision to the systems running in production.
Founder-led · Nearly 20 years of engineering experience
From idea to operation.
What we do
The engineering behind
your next move.
Practical expertise across the product, the infrastructure, and the intelligence that connects them.
Software development
Custom products, backend services, internal tools, and integrations built around your operations.
Explore serviceDevOps & cloud
Infrastructure and delivery systems that help your team ship confidently and understand operating costs.
Explore serviceAI integration
Connect language models to your data and workflows with useful context, measurable behavior, and human review.
Explore serviceAgentic systems & MCP
Expose business capabilities through well-defined tools and APIs, with authorization and clear execution boundaries.
Explore serviceData platforms
Reporting, event processing, and pipelines that connect operational systems to the people who need their data.
Explore serviceEngineering leadership
Hands-on technical leadership for founders and teams making consequential product and architecture decisions.
Explore serviceBuilt here / FlaskTrack
We build and operate
our own software, too.
FlaskTrack brings laboratory records, workflows, inventory, instruments, and AI assistance into one platform.
It is where our experience in product engineering, data systems, cloud operations, and agent-ready APIs comes together.
See FlaskTrack ↗One platform. Connected laboratory operations.
Your engineering partner
Work directly with
the person doing the work.
Santurce Software is led by Jake Kalstad, an engineer, founder, and former VP of Engineering with experience across manufacturing, advertising technology, construction, and laboratory software.
Based in Canóvanas, Puerto Rico, we work remotely with businesses and engineering teams that need thoughtful decisions and dependable execution.
Meet Santurce Software →A useful next step
Tell us what you're building.
A new product, an existing system, or a difficult engineering problem? Let's work out what comes next!