N***********r

Erfurt, Thuringia, Germany

Profil

Backend Engineer with 3+ years of experience building scalable Node.js/TypeScript APIs and microservices on AWS. Reduced latency by 35%, built reliable payment workflows, and shipped production systems for 1M users. Currently pursuing an M.Eng. in Computer Engineering in Germany.

Bildung

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M.Eng. Computer Engineering for IoT Systems 2026-2028
Hochschule Nordhausen University of applied Science

Focus: Distributed Systems, Cloud Computing and Big Data, and Data Science in Python

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B.Eng. Computer System Engineering 11/2018 – 11/2022
Dawood University of Engineering & Technology

Focus: Software Engineering, Data Structures & Algorithms, Databases, Object-Oriented Programming (OOP)

Erfahrungen

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Quanrio LLP, Backend Engineer 05/2023 - 01/2026

•Built Node.js/TypeScript microservices with REST APIs and event-driven architecture serving 1M users. •Engineered payment workflows with blockchain wallets, smart contracts, and third-party gateways. •Designed idempotent transactions using queues, webhooks, and retries for duplicate-free processing. •Reduced API latency by 35% via SQL tuning and managed workloads on AWS (EC2, RDS, S3). •Built fraud detection cutting fraud by 40% and developed internal admin APIs for user/transaction management. •Set up real-time streaming and collaborated in Agile teams using Git and code reviews. •Monitored production systems, resolved incidents, and improved system reliability and uptime. •Accelerated development using AI tools (Cursor, ChatGPT) for debugging and code review

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Mitsol, Junior Backend Developer 10/2022 - 04/2023

•Built backend modules using Java and Node.js for core customer-facing features. •Designed RESTful APIs handling 50K+ daily requests for seamless frontend integration. •Optimized MySQL and MongoDB schemas, reducing query latency by 20%. •Debugged and resolved critical backend issues, cutting user-reported errors by 30%. •Implemented logging and monitoring, improving deployment stability and issue detection.

Fertigkeiten

TypeScript
JavaScript
Java
Node.js
Express.js
PostgreSQL
MySQL
MongoDB
AWS
Docker
Linux
React