Work Experience
Software Developer (Full Stack) — simpleRedak, Cologne
December 2024 – December 2025
- Built RTL REST APIs with PHPUnit TDD for casting workflows.
- Managed RabbitMQ, Linux, and async queues to keep services in sync.
- Cut slow SQL paths by ~60% with query tuning and memory tweaks.
- Technologies: PHP 8+, JavaScript, MySQL, RabbitMQ, Git, Docker
Software Developer (Full Stack) Working Student — simpleRedak, Cologne
September 2021 – August 2024
- Delivered operations tools for RTL, BILD, and Redseven broadcasters.
- Built a talent portal plus REST API layer for media workflows.
- Refreshed legacy MVC code with SOLID patterns for easier maintenance.
- Migrated multiple apps from PHP 5/7 to PHP 8.3.
Full-Stack Developer — Grab Info-tech, Kathmandu
August 2019 – February 2020
- Expanded a school management platform with new backend features.
- Designed REST APIs to guide migration from legacy PHP to Laravel.
Projects
- Event Management Application — Containerised event management system with an API-first Laravel backend, React frontend, and PostgreSQL database deployed via Docker Compose.
- Vedic Astro App — Vedic astrology app that calculates planetary data and lets users chat with an AI assistant using chart-based knowledge.
- Chat with PDF — AI chatbot using the OpenAI API to answer questions and extract insights from PDF and DOC documents.
- Mini-PHP Framework — Lightweight custom framework with routing, authentication, CSRF protection, input validation, PDO database layer, and Twig templating.
- AI Meeting Minutes — End-to-end meeting transcription and summarisation system built with Whisper and an LLM, featuring a FastAPI backend, PostgreSQL storage, and React frontend.
Skills
Languages: PHP, Python, JavaScript, TypeScript, HTML, CSS
Frameworks & Libraries: FastAPI, Flask, Laravel, React, jQuery, Bootstrap, MUI
Databases: MySQL, PostgreSQL, SQL query optimisation, SQLAlchemy
Infrastructure & Tools: Docker, RabbitMQ, Git, Linux, CI/CD, Postman, PHPUnit, Pytest
Concepts: REST API design, OOP, SOLID principles, Unit Testing, Distributed Systems
AI / LLM: OpenAI APIs, Whisper, LangChain, RAG
Education
Master in Web and Data Science — University of Koblenz, Germany (2020–2024)
Master's Thesis: Fine-tuning LLMs for Irony Detection with Python and Hugging Face.
Bachelor of Information Management (BIM) — Tribhuvan University, Kathmandu (2013–2017)
Contact
sudanupadhaya@gmail.com | GitHub | LinkedIn