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Davide Grosu

@davidegrosu

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Experienced backend engineer focused on building scalable systems.

Italy

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What I'm looking for

I am looking for opportunities that allow me to leverage my backend development skills while working in a collaborative environment that values innovation and continuous learning.

I am a dedicated Golang Developer with a strong focus on building scalable, high-performance systems. My experience includes working with Germany's largest retail company, where I contributed to the delivery team by leveraging my expertise in Golang, PostgreSQL, and Kafka. I have successfully developed a high-load Competitor Price Aggregation system that handles over 100K products, showcasing my ability to manage complex data flows and optimize performance.

My passion for clean architecture and modern DevOps practices drives me to continuously improve my skills. I have built ETL pipelines and parsers that stream structured data to machine learning teams for price analysis and experimentation. Additionally, I have enhanced delivery admin panels with new features and improved job execution through SQL optimization. I thrive in dynamic environments where I can apply my knowledge of distributed systems, data pipelines, and performance optimization.

Experience

Work history, roles, and key accomplishments

Golang-Developer

Lidl

May 2023 - May 2025 (2 years)

Worked for Germany’s retail company (40M+
users) on the delivery team using Golang, PostgreSQL,
and Kafka.
● Developed a high-load Competitor Price Aggregation
system for 100K+ products using Kafka, Redis, Golang,
and Airflow.
● Built ETL pipelines and parsers for various retailers,
streaming structured data to the ML team via Kafka for
price analysis and experimentation.

Golang PostgreSQL gRPC Docker Gitlab CI Linux Redis Clickhouse Kafka Prometheus Grafana ELK Kubernetes Testifying SQL SQL Databases

Golang Developer

IT innovations

Jul 2021 - Apr 2023 (1 year 9 months)

Developed a CRM system for online schools using
Golang, Kafka, and PostgreSQL, supporting over 10
microservices
● Configured real-time data streaming of user activity in
tests and video lessons into ClickHouse via Kafka for
analytics
● Implemented endpoints for scheduling and mentor
uploads; wrote complex SQL queries to calculate mentor
earnings

Golang PostgreSQL Kafka Redis Clickhouse Prometheus Grafana gRPC Docker Kubernetes ELK Linux

Education

Degrees, certifications, and relevant coursework

University of Bologna

Bachelor`s degree, Computer Science

Currently studying for a Bachelor's degree at the University of Bologna. Focusing on relevant coursework to build a strong foundation in the chosen field.