Experts in Cloud & DevOps AI solutions Systems & HA Networks & embedded Custom development at the service of your business
We design and operate the full stack: software, systems, clusters, networks, high availability, AI and embedded systems. More than two decades working with the most current technologies.
Our servicesTechnologies we master
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Our service lines
Six service lines covering the full enterprise-technology cycle, always with the most current stack — or the most suitable one for each project.
Cloud & DevOps
Secure, scalable and monitored infrastructure with continuous deployment, Kubernetes and GitOps.
AI & LLM Solutions
Model development, data processing and BPM process automation with AI — LLMs, agents, MCPs and skills.
Custom development
Web applications, APIs, integrations and automations — built with the right stack for each problem.
ERP / MRP Implementation
One of our specialties: enterprise ERP deployed, configured and tailored to your business, with full Spanish localization.
Agents and automation
We deploy AI agents in your flows: task orchestration, MCP integrations, support assistants and continuous oversight.
Public sector
Projects for public administrations: regulatory compliance, integration with state platforms, and the Spanish legal framework.
Why customers choose us
Three reasons that make Jacar Systems the long-term technology partner your business needs.
One team for every layer
We design, install and operate from the hardware and networks up to AI agents. No subcontracting of critical parts, no fingers pointing elsewhere when something fails.
- Continuous design + deploy + operate
- One single technical contact
- End-to-end SLA ownership
The latest tech, running in production
We don't wait for a technology to be mainstream. We integrate generative AI, autonomous agents and new protocols (MCP, RAG) from day one — so your products always stay ahead.
- +24 years of early adoption
- AI & autonomous agents in production
- Continuous stack updates
Spanish regulation built-in by default
SII, Verifactu, Facturae, AEAT, FACe, Cl@ve, ENS, GDPR. We know every regulatory requirement and we integrate it as standard in every project — no surprises in the audit phase.
- Native compliance from day one
- Integration with public-sector platforms
- Public-sector experience
We monitor your infrastructure in real time
Prometheus, Grafana and Loki integrated in every project from day one. Proactive alerts, clear SLOs and a real on-call — not an inbox no one reads.
- Metrics, logs and traces in one place
- Alerts via Slack, Telegram or email
- Custom business dashboards
- Log retention from 30 to 365 days
Deployment in minutes, not days
Every project comes with CI/CD, pre-deploy snapshots, automatic secret rotation and blue-green deployment. If something fails, we revert to the previous state with a single command.
- CI/CD pipelines from the first commit
- Automatic rollback if healthcheck fails
- Snapshots before every production deploy
- Blue-green swap for zero downtime
What we promise you
Four commitments — no fine-print disclaimers.
Full transparency
Visibility into progress, risks and costs. No surprises on the invoice.
A senior always on hand
You'll know the responsible technical architect by name. No commercial account managers in between.
Zero vendor lock-in
Code, data and infrastructure are always yours. No strings attached.
Real 24/7 support
Active on-call, proactive alerts and complete operational runbooks.
They trust us
More than 24 years and 200 projects delivered across a wide variety of sectors — each one with its own regulations, processes and timelines. If you don't see yours, we can probably help you too.
Industry and manufacturing
Production control, MES, inventory, and full traceability on the shop floor.
Retail and distribution
End-to-end integrated sales, purchasing, logistics, and e-commerce.
Professional services
Billing, projects, CRM and team management — fully optimized.
Public sector
ENS/GDPR compliance, integration with FACe, AEAT, Cl@ve and Notific@.
Automotive and repair shops
End-to-end workshop management, parts, invoicing and customer service.
Logistics and transportation
Routes, tracking, warehouses, integration with marketplaces and carriers.
Construction and works
Site control, work reports, subcontractors, certifications and costs.
Tech startups
Cloud-native architectures, AI, agents, and fast time-to-market.
Your sector not on the list? — over 70% of our projects have unique requirements.
Ready to transform your company?
Let's talk about how technology can accelerate the growth of your business — no commitment, with a clear plan from day one.
Get to know us