01
Backend Development
Robust APIs, microservices, complex integrations and business logic that scales without breaking under load.
Development · Architecture · Scale
We ship fast.
We build to scale.
We are the technical team that scale-ups need to grow without breaking what already works.
- 6 senior engineers
- Python Django · FastAPI
- React Next.js
- AWS GCP · Docker
- Scale-ups Latam
6+ Years of experience in software & architecture
30+ Projects delivered from MVPs to full platforms
6 Senior engineers no middlemen, no juniors
100% Happy clients according to our last survey
Why Sintaxyz
Three pillars. One team.
We don't just code — we think through the problem, design the solution and execute it with precision.
Speed without improvisation
Senior teams with defined processes. Predictable deliveries from the first sprint, no surprises mid-project.
Architecture that scales
Every technical decision is made with your next business state in mind. Nothing you have to throw away in six months.
Partner, not vendor
We integrate into your context. We understand the business before writing code and we stay when the product grows.
What we do
Services
From initial consulting to production-ready architecture.
02
Frontend Development
Interfaces that bring the product to life with quality, real load performance and solid user experience.
03
Cloud Architecture
Cloud infrastructure that adapts to business growth without runaway costs or invisible technical debt.
04
Feasibility Consulting
Is it viable? What does it really cost? What stack makes sense? Technical and strategic analysis before you invest.
05
Project Estimation
Activity breakdown, timelines, costs and resources — so you can budget with certainty before signing a contract.
06
Process Optimization
Development flow diagnosis. We identify bottlenecks, technical debt and what is slowing your team down.
Methodology
How we work
- 01
Understand
We listen to the problem, the context and the goals before proposing any solution.
- 02
Design
We define the architecture, stack and delivery plan with technical and business insight.
- 03
Build
We develop in short sprints with continuous communication. No black boxes.
- 04
Scale
We accompany product growth over time. Support, improvements and evolution.
What clients say
Clients who trust us
Sintaxyz delivered our platform in record time, with an architecture that let us scale 10x without touching the foundation. They are the technical team every founder wants.
Francisco's team's technical clarity makes all the difference. They always know what's happening and why. Never a negative surprise in production.
The feasibility consulting we did before launching saved us months of work going in the wrong direction. That alone was worth the entire investment.
Do you have a technical challenge to solve?
Tell us. No commitments. Francisco responds in less than 24 hours.
Schedule a call →