Sergej M.
Full Stack Developer
Experience
Jun 2021 - Feb 2023
1 year 9 monthsHanover, Germany
Full Stack Developer
NERDZZ Digitalagentur GmbH
- Built full-stack applications using the MERN stack for urban planning and real estate projects.
- Developed custom dashboards with React and chart libraries (Recharts, D3.js).
- Created RESTful APIs with Express and Node.js, and stored data in MongoDB.
- Led the team’s adoption of Agile, improving sprint delivery and collaboration.
Nov 2020 - Jun 2025
4 years 8 monthsUnited States
Full Stack Developer
Kilwar LLC
- Developed and maintained interactive React applications for geospatial data visualization.
- Built reusable UI components with React, integrated REST APIs with Axios and Redux.
- Improved performance of data-heavy components, reducing load times by 30%.
- Implemented end-to-end testing using Cypress.
- Worked closely with backend and DevOps teams to deploy microservices and enhance system scalability.
Aug 2015 - Mar 2020
4 years 8 monthsFull Stack Developer
The MASCC
- Built and maintained e-commerce platforms using React, Vue, and Node.js.
- Integrated third-party APIs (Stripe, Google Maps, SendGrid) and built internal APIs.
- Designed MySQL and MongoDB schemas for scalable storage.
- Enhanced frontend SEO and accessibility performance.
- Worked on the admin dashboard for real-time order and user management.
Summary
Senior MERN Stack Developer with 8+ years of experience in full-stack web development, with a strong focus on JavaScript-based technologies including MongoDB, Express.js, React.js, and Node.js.
Skilled in designing and building responsive, scalable applications and complex REST APIs.
Excellent communication and teamwork skills, experienced in agile environments and passionate about delivering high-quality software solutions.
Languages
Greek
NativeEnglish
AdvancedGerman
ElementaryEducation
Apr 2011 - Aug 2015
University of Peloponnese
Bachelor of Software Engineering · Computer Science · Greece
Certifications & licenses
Triplebyte Engineering Certificate
Triplebyte
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