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Abhishek Lahiri

@abhisheklahiri

I build reliable Python full-stack systems for healthcare, emergency, and enterprise applications.

I've built full-stack software at Siemens Healthineers, Fraunhofer IIS, and Tata Consultancy Services, spanning remote medical imaging, emergency decision support, and enterprise modernization.

At Siemens Healthineers, I architected a Python, PyQt, and MQTT benchmarking testbed that increased test-data acquisition efficiency fivefold, alongside C++ tools for simulating remote imaging workflows with DICOM and HL7 data.

I build scalable Python APIs and interactive React interfaces, using PostgreSQL, Docker, Kubernetes, CI/CD, and AWS to deliver reliable, maintainable systems.

Experience

Work history, roles, and key accomplishments

Working Student & Master's Thesis

Siemens Healthineers AG

Apr 2025 - Jan 2026 (9 months)

Architected and implemented a benchmarking testbed in Python, PyQt, and MQTT for remote medical imaging, increasing test data acquisition efficiency by 5 times. Built a video recorder-replayer tool and mouse-keyboard movement simulator in C++ and DirectX, and engineered a network emulation environment with Bash scripting.

Python PyQt MQTT C++DirectX DICOM HL7 BASH Linux NetEm Wireshark Tcpdump WebRTC Remote Desktop Benchmarking

Research Assistant

Fraunhofer Institute of Integrated Circuits (IIS)

Oct 2022 - Nov 2024 (2 years 1 month)

Worked on a full-stack decision-support application for firefighters' reachability assistance during emergencies. Architected high-performance RESTful APIs in Python with Django (DRF) for large-scale geospatial datasets, and developed responsive frontend UI in React/JavaScript and Leaflet.

Python Django Django REST Framework PostgreSQL PostGIS GitLab CI CD Docker Nginx React JavaScript Leaflet Unit Testing API Testing Postman Code Review

Software Developer

Tata Consultancy Services Ltd.

Jul 2019 - Dec 2021 (2 years 5 months)

Architected and developed scalable enterprise microservices and RESTful APIs in Python, leveraging Django (DRF) and FastAPI to modernize legacy monolithic applications. Implemented data access layers with Django ORM, optimized background tasks with Celery and Redis, and developed interactive web interfaces and cross-platform mobile apps in React, Redux, and React Native.

Python Django Django REST Framework fastAPI Celery Redis PostgreSQL SQLAlchemy React Redux React Native OAuth JWT Docker Kubernetes AWS AWS ECS EC2 CI CD Pytest Unit Testing Agile Scrum

Education

Degrees, certifications, and relevant coursework

Friedrich Alexander University (FAU), Erlangen-Nürnberg

Master of Science, Medical Engineering

Activities and societies: Relevant Coursework: Advanced C++ Programming (C++ 17/20), Machine Learning, Computer Architecture, AI in Medical Robotics, Cognitive Neuroscience, Biomedical Signal Analysis.

Master of Science in Medical Engineering with a major in Medical Image & Data Processing, completed in February 2026.

West Bengal University of Technology (WBUT)

Bachelor of Technology, Electronics and Communication Engineering

Activities and societies: Relevant Coursework: Object-oriented programming, Data structures, C/C++, Java, DBMS, Computer Networks, Analog and Digital Communication, Microprocessors and Microcontrollers, Digital Electronics.

Bachelor of Technology in Electronics and Communication Engineering, completed in July 2019.