Nassos Anagnostopoulos — Lead Data Engineer

career.log

Work / Experience

Lead Data Engineer

current

EveryPay · Athens, Greece · Jan 2026 — Present

Leading a team of 3 data engineers — technical guidance, code reviews, and delivery of high-quality data solutions aligned with business objectives.
Driving architectural decisions across the data platform, evaluating and adopting new technologies to improve scalability, reliability, and performance of the warehouse.
Partnering with stakeholders and cross-functional teams to translate business requirements into technical solutions, and managing priorities for timely delivery.

Data Engineer

EveryPay · Athens, Greece · Aug 2023 — Jan 2026

Designed and developed cloud ETL pipelines on AWS, integrating diverse sources into a resilient warehouse analyzing hundreds of thousands of daily transactions.
Ingested and processed streaming and transactional data with Spark, Kinesis, Redshift, S3, and Python, powering views consumed by BI tools like Metabase.
Built CI/CD pipelines with GitHub, increasing development efficiency through automated testing.

Junior Data Engineer

Netcompany-Intrasoft · Athens, Greece · Aug 2022 — Aug 2023

Built and optimized big-data pipelines and architectures using Python, SQL, bash, and Apache Airflow.
Worked agile with direct client engagement, sharpening time management and communication for effective solution delivery.
Served as 24/7 support/standby engineer for critical pipelines — proactively resolving issues and minimizing downtime.

Data Engineer Intern

Netcompany-Intrasoft · Athens, Greece · Mar 2022 — Aug 2022

Hands-on internship focused on ETL processes and big-data pipelines with Python, SQL, and Apache Airflow.

education.sql

Education

Georgia Institute of Technology

in progress

M.S. in Computer Science (OMSCS)

Atlanta, GA, USA (Online) · Jan 2026 — Present

Specialization in Artificial Intelligence — pursuing graduate-level AI coursework alongside a full-time lead engineering role.

University of Athens

completed

B.S. in Computer Science

Dept. of Informatics & Telecommunications · Nov 2018 — Sept 2022 · GPA 7.78/10

Dual specializations: Data Management & Knowledge and Software.

projects/

Notable / Projects

source ↗

The Pac-Man Projects — AI

UC Berkeley CS188 · graded 100/100

My implementations of Berkeley's classic AI projects, applying informed state-space search, constraint satisfaction, and knowledge representation to make Pac-Man play itself. Completed for the AI course at UoA under Dr. Manolis Koubarakis.

Python 3.6A* searchCSPknowledge repr.

source ↗

Vaccine Monitor App

UoA Systems Programming · graded 100/100

A client / multi-server monitoring system built in C++ with raw sockets and threads. All data structures — linked lists, skip lists, Bloom filters — implemented from scratch, plus a bash generator for randomized test data. Graded by Dr. Alexandros Ntoulas.

C++socketsthreadsBloom filtersskip listsbash

stack/

Technical / Skills

languages/ Python SQL C / C++ Bash

big_data/ Spark Hadoop Airflow

aws/ S3 Glue Redshift Lambda Kinesis Athena

databases/ MySQL MariaDB MongoDB Hive

devops/ Docker Git CI/CD

bi_&_os/ Metabase Linux

psql -d nassos_cv

Query / My CV

My CV, loaded into a live console. Run real SQL against it — click an example or write your own.

nassos_cv=# interactive session

psql: connected to database "nassos_cv" · 6 tables loaded · type HELP; for syntax

nassos_cv=#

beyond_work.md

🎾 tennis · 🏀 basketball · ✈️ traveling · ⛺ camping · 🧪 new tech · 🗣 languages GR native / EN C2 / FR B1

./connect.sh

Let's build something
that scales.

Open to interesting problems, collaborations, and conversations about data platforms, streaming, and AI.