Vraj

Data Engineer

Tunis, Tunisia · Africa/Tunis (UTC+1) · 6 years of experience

Vraj focuses on dependable data products with tested transformations, lineage, and freshness controls.

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Why this profile fits

Trustworthy data products

Defines contracts, tests, ownership, lineage, and freshness expectations for data used by teams and models.

Scalable processing

Chooses batch, streaming, and storage patterns around volume, latency, recovery, and operating cost.

Operable pipelines

Designs idempotent jobs, backfills, alerting, and incident procedures rather than treating a successful first run as done.

Relevant toolkit

SQL

Python

dbt

Spark

Airflow

Delivery evidence

Selected work

AI Workload Identity Migration

B2B SaaS

Designed and delivered a production data platform focused on secrets and key management for AI; eliminated long-lived model-provider keys from production workloads using workload identity. The release included tested transformations, lineage, freshness SLOs, backfill procedures, and cost monitoring.

Provider Key Rotation Service

B2B SaaS operations

Built the supporting control and measurement layer for the primary system, covering review queues, regression checks, operational visibility, and a documented handoff to the owning team.

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Relevant experience

Career timeline

Data Engineer

2024–Present

Devlyn client assignments · Remote

Led secrets and key management for AI delivery for a B2B SaaS team and eliminated long-lived model-provider keys from production workloads using workload identity.

Software Engineer

Aug 2023–Present

ViitorCloud Technologies · Tunis, Tunisia

Built production systems in B2B SaaS, with increasing ownership of reliability, testing, and stakeholder delivery.

Software Engineer Intern

Feb 2023–Aug 2023

ViitorCloud Technologies · Tunis, Tunisia

Built production systems in B2B SaaS, with increasing ownership of reliability, testing, and stakeholder delivery.

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Skill depth

Show experience in context.

Competency shapeAssessment across the same six dimensions used for every profile.

Relevant experience by skill

SQL6 years

Python5 years

dbt4 years

Spark3 years

Airflow6 years

Data Modeling5 years

See the complete skill index

Languages

Frameworks

Tools

Platforms

Storage

Paradigms

Credentials

Certifications

AWS Certified Data Engineer – Associate

Amazon Web Services · 2025 · Certified

Google Cloud Professional Data Engineer

Google Cloud · 2024 · Certified

Communication

Languages

English

Fluent

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