I'm hiringSUBUL Jobs
Hire profiles proven in practice, not just on a CV.
- Describe the roleRole, seniority, stack and timeline.
- A call within 48hTo refine the need with the team.
- Meet the profilesSelected on their skills and availability.
SUBUL Jobs · For tech teams
Hire engineers whose skills are proven, not claimed.
SUBUL trains AI, Cloud and Cybersecurity talent on 150 hands-on AWS and Azure labs, validates their skills in practice, then connects you with the profiles that match your stack.
I'm hiringGet verified profiles
I want to learnBook a free lab
- Labs150hands-on AWS & Azure labs
- Talent320SUBUL users
- Validation457labs completed
- Companies14companies engaged
One platform, two paths
Dev4Caustaza builds SUBUL. Choose your path.
SUBUL Learn trains tech talent hands-on, on real labs. SUBUL Jobs connects companies with that talent, based on skills validated in lab.
I want to learnSUBUL Learn · SUBUL XP
Learn by building, on real labs.
- Book a free labNo commitment, reply within 48h.
- Progress lab by labGuided paths by domain and level, skill badges.
- Join SUBUL JobsMatching with tech companies that are hiring.
The two paths meet.
Talent trained on SUBUL Learn meets the companies that are hiring, through SUBUL Jobs.
2022
Founded · registered Tunisian company (SUARL)
RNE
Registered under n° 1770556A · La Marsa, Tunis
03
SUBUL tracks : AI, Cloud, Cybersecurity
02
SUBUL verticals : EdTech & JobTech
Who we are
A product startup built for tech talent.
Tech companies struggle to hire job-ready AI, Cloud and Cybersecurity profiles, while many young graduates lack hands-on practice. Dev4Caustaza was founded to close that gap with a product, not with services.
That product is SUBUL — a SaaS platform that trains tech talent through practice (EdTech) and connects them to hiring companies (JobTech).
- A team of AI, DevOps and software engineers dedicated to one product: SUBUL
- A proprietary SaaS platform (SUBUL) to grow the Tunisian tech ecosystem
- Hands-on labs and a tech residency (SUBUL XP) to learn by building
The team
The people building SUBUL.
A small technical team, based in Tunisia.
Leadership
- CEO & Founder Abdelkhalek Bakkari
- CTO Hedi Ben Abdallah
Engineering
- Anas BaccariSoftware Engineer
- Ons GharbiDevOps Engineer
- Nour AllaniDevOps Engineer
- Maha AllaniAI Engineer
- Mariem NegraAI Engineer
Technology
The technology behind SUBUL, and inside its labs.
These aren't service offerings: they're the building blocks we use to build SUBUL, and the skills SUBUL teaches.
01
Artificial Intelligence
Language models, AI agents and ML pipelines that run SUBUL, including SUBUL Jobs' skills-based matching.
- RAG
- LLM Agents · LangGraph
- MCP
- Vision-Language Models
- Vector DB
02
Cloud & DevOps
SUBUL's infrastructure and the AWS and Azure lab environments: scalable architecture, containers, automation.
- Kubernetes · Helm · ArgoCD
- Terraform · Ansible
- Docker
- CI/CD
- Prometheus · Grafana
03
Data Engineering
The platform's data flows and the data labs: ingestion, transformation, orchestration, visualization.
- Apache Kafka
- Apache Spark
- dbt · Airflow
- PostgreSQL
- Apache Superset
04
Cybersecurity
Platform and data security by design, plus labs in auditing, penetration testing and monitoring.
- SIEM · Wazuh
- MITRE ATT&CK
- Zero Trust
- HashiCorp Vault
- Keycloak · SSO
150 hands-on labs · Amazon Web Services · Microsoft AzureFull lab catalogue
SUBUL Learn in practice
SUBUL XP — a tech residency, not a training center.
Book your first hands-on lab for free: DevOps, AI & Agents, Cybersecurity, Data, Full Stack or Cloud. You learn by building, guided by the Dev4Caustaza team.
DevOpsAI & AgentsCybersecurityData AnalysisFull StackCloud
Why SUBUL
What makes SUBUL different.
01
Skills proven, not claimed
Every SUBUL profile is validated through real labs, not just a CV.
02
Security by design
Cybersecurity is built into SUBUL from the start, to protect learner and employer data.
03
AI applied, not a gadget
We only add AI to SUBUL where it genuinely improves learning or hiring.
04
Impact on local talent
SUBUL grows the Tunisian tech ecosystem by linking training directly to jobs.
For companies
Describe the role. We'll get back to you within 48h.
Two minutes to tell us who you're looking for, then a conversation with the team to target the profiles that match your stack.
Book a call WhatsApp contact@dev4caustaza.com
Looking for a tech role? Book a free lab