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Stefan Zgondea

@stefanzgondea

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Experienced software engineer with a passion for clean code.

Germany

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What I'm looking for

I am looking for a role that fosters innovation and collaboration, where I can leverage my skills in software development and contribute to impactful projects.

I am a seasoned Software Engineer with over 5 years of experience in building and scaling enterprise-grade applications across various sectors, including automotive, payments, betting, and e-commerce. My expertise lies in Java, Python, and React, and I am proficient in microservices architecture, agile delivery, and CI/CD practices. I thrive in collaborative environments where I can contribute to clean code and innovative solutions.

Currently, I work as a Backend Engineer for Mercedes MeStore, where I design and develop REST APIs for seamless platform integration. My role involves leading backend development using Java and Kotlin, applying Domain-Driven Design principles, and participating in agile ceremonies. Previously, I have successfully engineered low-latency microservices for a retail payments platform and developed interactive data visualizations for sports betting dashboards, showcasing my versatility and commitment to delivering high-quality software.

Experience

Work history, roles, and key accomplishments

Current

Backend Engineer

Current

Mercedes MeStore

Jun 2022 - Present (3 years 2 months)

Designed and developed REST APIs for platform integration across iOS, Android, and embedded Head Units. Led backend development using Java 11/17 and Kotlin within a modular microservices architecture. Applied Domain-Driven Design (DDD), SOLID principles, and Object-Oriented Design for scalable solutions.

Kotlin REST APIs Microservices Domain Driven Design SOLID Principles Object Oriented Design Kanban Agile

Fullstack Developer

Del Inovextrem Corp

Sep 2020 - Present (4 years 11 months)

Engineered low-latency microservices with Java Spring Boot for a high-throughput retail payment platform. Integrated third-party services with Mulesoft and ActiveMQ; enhanced data workflows using JDBC and Oracle. Built responsive dashboards using React, Redux, and TypeScript to monitor payment transaction streams.

Spring Boot Microservices MuleSoft ActiveMQ JDBC Oracle React Redux TypeScript Cypress Jest SQL

Analyst Developer

Celtic Datenwerk Consulting

Oct 2018 - Present (6 years 10 months)

Developed interactive data visualizations and sports betting dashboards using React, Redux, D3.js, and Nivo. Built a football analytics backend in Python (Flask, Pandas, NumPy) with Azure Function deployments. Implemented statistical models for forecasting football events and automated report generation.

React Redux D3.Js Python Flask Pandas NumPy Azure Functions Statistical Modeling

Education

Degrees, certifications, and relevant coursework

Open University

Bachelor of Computer Science, Software Engineering

2020 -

Currently pursuing a Bachelor of Computer Science with a specialization in Software Engineering. The program focuses on core computer science principles and modern software development practices.