Senior Software Engineer

Apr 2024 - Apr 2025

Grubhub, Chicago USA

• I implemented cloud microservices and data pipelines using Java (Spring Boot), Python, SQL, Spark, and AWS to run multiple concurrent pricing experiments and simulations. My work enabled real-time hypothesis testing that significantly boosted cart checkout conversion rates and delivered measurable business impact.
Technologies used:
Java, Spring Boot, Google Guice, gRPC, Python, Spark, AWS, Datadog, Docker, Kubernetes, Splunk, Spinnaker, Lightstep, Redis, Cassandra, RDS

Lead Software Engineer

Apr 2023 - Feb 2024

Sphere Partners, Florida USA

• I developed scalable data pipelines systems and managed AWS Lambda microservices using Python, SQL, and cloud tools to power a cybersecurity platform that enables CISOs to measure, manage, and communicate security performance through aggregated KPIs.
Technologies used:
Python, SQL, AWS, AWS Lambda, S3, Docker, Airbyte, Prefect, PostgreSQL, Timescale, Redis Stack, DBT

Software Engineer

Feb 2022 - Apr 2023

Orange Services, Bucharest

• I led the migration of on-prem data processes to Google Cloud Platform, designing and implementing scalable ETL pipelines with Python, BigQuery, Airflow, and Kubernetes to improve data reliability, performance, and operational efficiency.
Technologies used:
Python, SQL, Google Cloud Platform, Big Query, Cloud Build, Docker, Kubernetes, GKE, Composer, Apache Airflow

Innovation Ambassador and SAFe Scrum Master

Jun 2020 - Jan 2022

Orange Services, Bucharest

• Served as Scrum Master for Malima’s portal and M2M alarms teams, driving Agile delivery for SIM card management across countries. As Innovation Ambassador, promoted and implemented new ideas to foster team creativity.

Cloud Software Engineer III

Nov 2019 - Apr 2020

Crowdstrike, Bucharest

• Developed and maintained key microservices for Falcon, a cloud platform processing 400+ billion daily events to enable fast breach detection and threat prevention at massive scale. Leveraged Go, Python, Cassandra, Kafka, Elasticsearch, AWS, Docker, and Kubernetes to build resilient, high-performance systems. My contributions helped improve system reliability and reduce incident response times.
Technologies used:
Go, Python, Cassandra, Kafka, Elasticsearch, Postgres, Redis, AWS, Docker, Kubernetes, Splunk

Software Engineer

Nov 2017 - Nov 2019

Orange, Bucharest

• Technical Lead on Malima’s microservices platform handling large-scale M2M data across multiple industries. Led development of scalable data pipelines using Java, Scala, Python, and Cassandra. Mentored non-tech colleagues to become developers and delivered Python and Java training to boost team skills and automation.
Technologies used:
Java, Scala, Python, Cassandra, Elasticsearch, Spark, Ansible, CI Jenkins, Rundeck, Docker, Prometheus, Openstack Swift, S3, Hadoop, Spring boot, Spring Integration, Gatling

Software Engineer

Jun 2017 - Nov 2017

Gameloft, Bucharest

• I developed ODIN, an anti-hacking tool leveraging Java, Spring Boot, Angular, MySQL, RabbitMQ, Python, and Celery to significantly enhance real-time hacker detection and automated banning in gaming environments, improving overall game security and player experience.
Technologies used:
Java, Spring Boot, Angular 4, MySQL, Docker, RabbitMQ, Python, Celery, SQLAlchemy

Software Engineer

Jul 2015 - Jun 2017

Mindit.io, Bucharest

• Implemented scalable microservices for Sales Incentive, Shift Planning, and DIP Smart projects using Java and Spring Boot, integrating big data technologies to optimize ETL workflows and system performance.
• I held a two modules course on Python to Mindit employees and I taught the basic Python things focusing on parsing and working with multiple types of files and data.
Technologies used:
Java, Spring Boot, Angular, Hadoop architecture, Sqoop, HIVE, Pig, Python, SQL, Bash scripting, Rundeck, ETL processes, Opsview, Jenkins CI, MySQL, Microsoft SQL Server, Ambari.

Teaching Assistant

2016 - 2017

University of Bucharest, Faculty of Mathematics and Computer Science

• I taught second-year labs in operating systems (fall) and computer networks (spring).

gRPC Masterclass with Java & Spring Boot [2024 - Hands-On]

Issued May 2024

Udemy

Master Microservices with Spring Boot and Spring Cloud

Issued Apr 2024

Udemy

Master Spring Boot 3 & Spring Framework 6 with Java

Issued Apr 2024

Udemy

AWS Certified Data Engineer Associate 2024 - Hands On

Issued Mar 2024

Udemy

Building Resilient Analytics Systems on Google Cloud

Issued Apr 2022

Coursera

Building Batch Data Pipelines on GCP

Issued Apr 2022

Coursera

Modernizing Data Lakes and Data Warehouses with Google Cloud

Issued Mar 2022

Coursera

Google Cloud Fundamentals: Core Infrastructure

Issued Feb 2022

Coursera

Introduction to Tensorflow

Issued Nov 2021

Coursera

Launching into Machine Learning

Issued Oct 2021

Coursera

Google Cloud Big Data and Machine Learning Fundamentals

Issued Sep 2021

Coursera

Certified SAFe 5 Product Owner/Product Manager

Issued Nov 2020

Scaled Agile, Inc.

Certified SAFe 5 Advanced Scrum Master

Issued Sep 2020

Scaled Agile, Inc.

Scrum Master Certified (SMC)

Issued Aug 2020

Scrum.org

Master of Science (M.Sc.), Software Engineering

2016 - 2018

University of Bucharest, Faculty of Mathematics and Computer Science

Bachelor of Science (B.Sc.), Computer Science

2013 - 2016

University of Bucharest, Faculty of Mathematics and Computer Science

2nd Prize at Digital Tranformation Challenge Hackaton by MetroSystems

Nov 2019

Bucharest, Romania, MetroSystems

Participation Diploma Bitdefender TechChallenge, C++

Jun 2015

Bucharest, Romania, Bitdefender

Certificate of Merit for outstanding results obtained at the Baccalaureate Exam

2013

Pitesti, Pitesti City Hall

1st Prize at "Financial Mathematics" Contest

2011

Pitesti, National College "Alexandru Odobescu"

1st Prize at National Competition Evaluation in ICT / Computer Science "Tudor Sorin", Second stage

2010

Pitesti, Evaluation in Education Foundation

1st Prize at National Competition Evaluation in Computer Science, Second stage

2010

Pitesti, Evaluation in Education Foundation

2nd Prize at National Competition Evaluation in Education and ICT "Tudor Sorin", First stage

2010

Pitesti, Evaluation in Education Foundation

Romanian 🇷🇴

Native or bilingual proficiency

English 🇺🇸

Full professional proficiency

French 🇫🇷

Elementary proficiency

Playing guitar and Ukulele

Intermediate level

Swimming and fitness

Intermediate level

Biking

Intermediate level

Programming

Advanced level

Watching movies and TV series

Advanced level

Travel the world

Advanced level

Check out my skills here