Idriz Pelaj

Java developer with over 3 years of professional experience in distributed systems, cloud computing, and backend software development, focused on designing and building highly performant systems.

+49 152 3627 5314 idrizpelaj@gmail.com linkedin.com/in/idriz-pelaj github.com/idrizp

Experience

Software Developer — North Data GmbH, Hamburg | Jun 2025 – Present

Designed and built Java data pipelines on Google Cloud Platform to collect and continuously refresh large-scale company registrar datasets, making tradeoffs across throughput, data freshness, reliability, and cost. Used JSoup for HTML parsing and Gemini for LLM-based text processing, as well as OCR for PDF scanning.
Built internal Java developer tooling using the GitHub API to automate and streamline development workflows.

Software Developer — LemonGaming LTD, Remote | Aug 2020 – Aug 2022

Engineered Java backend services for communication across a distributed fleet of game servers, using Redis-based messaging and Protocol Buffers/JSON serialization to support high-throughput, low latency workloads.
Re-engineered SQL queries and database design, cutting query latency from several seconds to single-digit milliseconds and substantially improving production performance.
Built internal web-to-server administrative tooling that allows staff to remotely inspect player records and execute moderation actions against live services.

Skills

Languages: Java, SQL, Kotlin, JavaScript
Cloud & Backend: Google Cloud Platform (GCP), Cloud Tasks, Redis, REST APIs, Distributed Systems, Data Pipelines
Data & Performance: Data Ingestion, SQL Optimization, Parallel Processing, Low-Latency Systems
Tools & Technologies: Git, GitHub API, Protocol Buffers, JSON, JSoup, Gemini API

Education

Jacobs University Bremen — Bsc. Electrical and Computer Engineering | Aug 2022 – Jun 2025