Available for enterprise & private engagements

I build secure, scalable software that ships.

Senior Software Engineer (Python) with 15+ years across ML/MLOps, cloud infrastructure (Azure/AWS/GCP), security, and automotive. I turn complex data & infra challenges into production systems—fast and reliably.

Start a Project +40 745 100 030 Cluj-Napoca, Romania

Experience: 15+ yrs
Specialties: ML • Cloud • Sec
Languages: Python • JS • PHP
Delivery: End-to-end

What I Solve

From greenfield to scale-up, I architect, build, and harden systems that move data, model intelligence, and ship product.

Enterprise Data Platforms

Azure Data Lake, Databricks, access management, and automation via IaC (Pulumi/Terraform). Built internal data tooling at Mercedes-Benz via GlobalLogic.

Azure Databricks Pulumi FastAPI

LLM Apps & MLOps

Ingestion to embeddings, retrieval, and model tuning. Built LangChain-powered internal apps and fine-tuned models to accelerate editorial workflows (ISMG).

LangChain OpenAI AWS ETL

Full-stack Product Engineering

From Flask/Vue to payments & analytics. Shipped at scale for Legalcom Group (TermsFeed, PrivacyPolicies).

Flask Vue.js TypeScript Payments

DevOps, CI/CD & Infra as Code

Design secure pipelines, orchestrate infra, and containerize services for predictable delivery.

Docker Terraform Azure DevOps CI/CD

Reverse Engineering & Security

Deep Linux/Bash background with a passion for tearing things down (safely) to build them back better.

Linux Bash Security

Web for Organizations

Custom WordPress/themes/plugins for EU orgs and NGOs with performance, security, and scale in mind.

WordPress PHP/Laravel Web3/DeFi

Experience

2024 — 2025

Senior Software Engineer (DevOps)

GlobalLogic → Mercedes-Benz AG

Data Lake (eXtollo) on Azure: storage & access mgmt; custom orchestration with Pulumi; services with FastAPI; CI/CD pipelines.

Azure Databricks Pulumi IaC FastAPI Docker

Senior Software Engineer (MLOps)

ISMG — BankInfoSecurity

LLM apps with LangChain; embeddings & retrieval; OpenAI integration; tuned local models; resilient ETL pipelines.

AWS LangChain OpenAI Dagster/Meltano

2018 — 2023

Senior Full-stack Developer

Legalcom Group (TermsFeed, PrivacyPolicies)

Custom Flask APIs, Vue frontends, payments (Braintree, PayPal, etc.), SQL/NoSQL, Firebase, Cypress tests.

Flask Vue 2 TypeScript Cypress

Senior Frontend Developer

Augnet (UK)

Nuxt/Vue app with modern performance & security practices, REST integration, TDD mindset.

Nuxt Vue 2 REST

Senior Full-stack (Freelance)

EU orgs & NGOs; Web3/DeFi

Custom WordPress themes/plugins; scalable, secure deployments; smart web foundations.

WordPress Laravel Plesk/VPS

2012 — 2013 • 2010

Middle Backend Developer

BMR Soft — Avanticart e-commerce

Custom PHP modules & themes; code reviews; Agile collaboration.

PHP (Avanticart) JS/CSS

Junior Backend/Frontend

Mediatic

Web apps & scrapers in PHP; early Python scraping; front-end foundations.

PHP (CI) Python jQuery/CSS

Core Skills & Tech

Languages & Frameworks

Python (FastAPI, Flask), JavaScript/TypeScript (Vue, Nuxt, Angular), PHP (Laravel, WordPress).

PythonFastAPIFlask TypeScriptVue 2Nuxt AngularPHPLaravelWordPress

Cloud, Data & ML

Azure (Data Lake, Databricks), AWS, GCP; IaC (Pulumi, Terraform); ETL (Dagster, Meltano); LangChain/OpenAI; MySQL, CockroachDB.

AzureDatabricksAWS GCPPulumiTerraform LangChainOpenAIMySQLCockroachDB

DevOps & Quality

Docker, CI/CD (Azure DevOps), TDD, Linux/Bash. Secure, observable services.

DockerAzure DevOpsCI/CD TDDLinuxBash

Spoken Languages

English (C1), Romanian (native).

EnglishRomanian

Ready to turn a problem into a shipped solution?

I partner with teams to design, implement, and scale reliable software—on time and with confidence.

Book a discovery call Download CV (PDF)

Contact

sergiumadalinvlad@gmail.com

Phone

+40 745 100 030

Sergiu Vlad

Location

Cluj-Napoca, Romania

Remote-first; open to on-site engagements as needed.