Sergiu Vlad

Summary

Experience

1. Senior Software Engineer (Full-stack & DevOps) — Project Lead

   2024 – 2026

   Mercedes-Benz AG (via GlobalLogic) · Remote

   Internal products for the Mercedes-Benz enterprise data lake on Azure. In the final year I was project lead for MBmigrationtool, leading a team of 7 with Mercedes-Benz as stakeholder; the team owned backend, frontend and Azure operations end to end.

   • Fully automated migration of multi-terabyte data between two data-lake generations (DataLakeTerra → DataLakeMars), covering CosmosDB and Azure Data Lake Storage resources.
   • Built the React and TypeScript interface that gives internal clients a self-service way to start, configure and track their migrations.
   • Part of the team responsible for the Azure resources behind data storage and access management.
   • Worked on a custom solution used with Pulumi to orchestrate cloud processes and provision resources for internal clients.
   • Automated build, test and deploy with GitHub Actions and Azure DevOps pipelines; used AI-assisted development tooling (Claude Code).

   Products

   MBmigrationtool, DataLakeTerra, DataLakeMars

   Stack

   React, TypeScript, Python, FastAPI, Azure, Azure DevOps, GitHub Actions, Azure Data Lake Storage, CosmosDB, Databricks, Pulumi, Docker, Claude Code, TDD, CI/CD

2. Senior Software Engineer — MLOps & DevOps

   2023 – 2024

   ISMG · BankInfoSecurity · Remote (USA)

   Internal LLM applications for a security media publisher, and the AWS infrastructure under them.

   • Designed, configured and maintained LangChain applications that ingest large datasets by converting them into embedded documents.
   • Provisioned and maintained the AWS infrastructure for the ML platform with Terraform; containerised with Docker and deployed through CI/CD.
   • Integrated OpenAI GPT so stakeholders could query stored data, and fine-tuned local models on company content for content creators.
   • Developed and optimised dataset processes and troubleshot data issues in the ETL pipeline.

   Stack

   AWS, Terraform, Python, polars, pandas, h2o wave, meltano, dagster, LangChain, OpenAI APIs, MySQL, CockroachDB, Docker, Linux, bash, CI/CD, TDD

3. Senior Full-stack Developer

   2018 – 2023

   Legalcom Group · Remote

   Five years building termsfeed.com, privacypolicies.com and freeprivacypolicies.com with a custom backend and frontend.

   • Backend in Python with Flask and SQLAlchemy; frontend in Vue.js and TypeScript; Angular for side projects.
   • Integrated four payment gateways: Braintree, Epoch, CCBill and PayPal.
   • Worked across SQL, NoSQL and Firebase, with Cypress tests.

   Products

   termsfeed.com, privacypolicies.com, freeprivacypolicies.com

   Stack

   Python, Flask, SQLAlchemy, Vue.js, TypeScript, JavaScript, Sass, Angular, MariaDB, Firebase, Docker, Cypress, REST, CI/CD, TDD

4. Senior Frontend Developer

   2018 – 2019

   Augnet UK · Remote (UK)

   The Augnet UK frontend, built with Vue.js and Nuxt.

   • Built a user-friendly, performant Vue.js (Nuxt) frontend against REST endpoints, test-driven.

   Stack

   Vue.js, Nuxt, Sass, JavaScript, REST, TDD

5. Senior Full-stack Developer — own company

   2013 – present

   VAR24 INTERNATIONAL SRL · Remote

   My own company since 2013, and the way I take on contract work.

   • Websites for the European Geothermal Energy Council (EGEC), Atlantic Treaty Association (ATA), Young European Research Universities (YERUN), BIOPAMA and the European Network of Living Labs (ENoLL).
   • Custom WordPress themes and plugins focused on usability, performance, security and maintainable architecture.
   • Web3 and DeFi work: blockchain, smart contracts and decentralised finance.
   • Linux server setup and Plesk VPS configuration.

   Clients

   European Geothermal Energy Council (EGEC), Atlantic Treaty Association (ATA), Young European Research Universities (YERUN), BIOPAMA, European Network of Living Labs (ENoLL)

   Stack

   PHP, Laravel, WordPress, JavaScript, TypeScript, CSS, Linux, bash, Plesk, CI/CD, TDD, Web3

6. Middle Backend Developer

   2012 – 2013

   BMR Soft SRL · Cluj-Napoca

   Modules and user interfaces for Avanticart, a custom e-commerce platform.

   • Built modules and interfaces for Avanticart; code reviews in an Agile team.

   Products

   Avanticart

   Stack

   PHP, JavaScript, CSS, Photoshop

7. Junior Backend & Frontend Developer

   2010

   Mediatic · Cluj-Napoca

   Web applications and web scrapers.

   • Web applications in PHP (CodeIgniter), HTML and CSS, and web scrapers in Python.

   Stack

   PHP, CodeIgniter, Python, jQuery, CSS

Skills

Cloud & DevOps

Azure, AWS, Google Cloud, Pulumi, Terraform, GitHub Actions, Azure DevOps, Docker, Databricks, Claude CodeAzure, Pulumi, GitHub Actions, Azure DevOps and Databricks in production at Mercedes-Benz; AWS and Terraform at ISMG.

Backend

Python, FastAPI, Flask, PHP, Laravel, REST APIs, bashFastAPI at Mercedes-Benz, Flask at Legalcom, PHP and Laravel for EU organisations.

Frontend

React, TypeScript, JavaScript, Vue.js, Angular, Sass, CypressReact in production at Mercedes-Benz; Vue.js and TypeScript at Legalcom and Augnet.

Data & ML

PostgreSQL, MySQL / MariaDB, CockroachDB, CosmosDB, NoSQL, Firebase, LangChain, OpenAI APIs, Model fine-tuningCosmosDB and Azure Data Lake Storage at Mercedes-Benz; LangChain and OpenAI at ISMG.

Practices

Project leadership, TDD, Agile, Code review, Reverse engineering, Linux, Server setupProject lead for a team of 7 on MBmigrationtool. Linux for 10+ years.

Education

Languages

• Romanian: Native
• English: C1 (Professional working proficiency)