Deb Kumar Roy

Working Student (Software Developer) at Beckmann und Egle Industrieelektronik GmbH

Developed a JavaScript-based test bench for the simultaneous testing of multiple microcontrollers; built and deployed a full-stack IO testbench application using React.js, Node.js (Express, SerialPort, WebSocket), and Electron, featuring real-time serial port communication, hardware interaction, and one-click desktop packaging with electron-packager for Windows. Engineered a TCP client and server in Python to automate test sequences and result storage in MongoDB. Maintained the full-stack testing application using JavaScript for both client and server; Git is used for version control and Agile methodology is followed.

Programmer Analyst (Backend Developer) at Cognizant

Implemented scalable microservices with Java and Docker for a leading U.S. insurance company, increasing operational efficiency by 35%. Conducted thorough unit and regression testing. Reduced database query times by 10% through MySQL query optimization. Contributed to projects using both Agile and Waterfall methodologies to ensure timely and effective delivery.

Project Engineer (Backend Developer) at Wipro Limited

Engineered RESTful APIs using Java, Spring Boot, and MySQL which increased the processing efficiency of secure money transfers by 20%. Reduced manual data entry by several hours per week and accelerated customer communication by 40% through automation of data saving and letter generation processes. Enhanced deployment efficiency and reliability by automating CI/CD pipelines via GitHub. Partnered with different teams in an Agile setting (using Jira and Confluence).

Working Student (Software Developer) at Beckmann und Egle Industrieelektronik GmbH

Increased testing efficiency by 60% by developing a JavaScript-based test bench for simultaneous testing of multiple microcontrollers. Built and deployed a full-stack IO testbench application using React.js, Node.js (Express, SerialPort, WebSocket), and Electron, featuring real-time serial port communication, hardware interaction, and one-click desktop packaging with electron-packager for Windows. Engineered a Python TCP Client and Server to automate test sequences and result storage in MongoDB. Developed and maintained the full-stack testing application using JavaScript for both the client-side interface and server-side logic. Git is used for version control and Agile methodology.

Programmer Analyst (Backend Developer) at Cognizant

Implemented scalable microservices with Java and Docker, for increasing operational efficiency by 35% for a leading U.S. insurance company. Conducted thorough Unit and Regression testing to ensure high-quality releases. Reduced database query times by 10% through strategic MySQL query optimization. Contributed to projects using both Agile and Waterfall methodologies to ensure timely and effective delivery.

Project Engineer (Backend Developer) at Wipro Limited

Engineered RESTful APIs using Java, Spring Boot, and MySQL which increased the processing efficiency of secure money transfers by 20%. Reduced manual data entry by several hours per week and accelerated customer communication by 40% through automation of data saving and letter generation processes. Enhanced deployment efficiency and reliability by automating CI/CD pipelines via GitHub. Partnered with different teams in an Agile setting (Jira and Confluence).

Working Student (Software Developer) at Beckmann und Egle Industrieelektronik GmbH

Developed a JavaScript-based test bench for simultaneous testing of multiple microcontrollers, increasing testing efficiency by 60%. Built and deployed a full-stack IO test bench application using React.js, Node.js (Express, SerialPort, WebSocket), and Electron, enabling real-time serial communication, hardware interaction, and one-click desktop packaging.

Programmer Analyst (Backend Developer) at Cognizant

Implemented scalable Java microservices with Docker for a leading U.S. insurance company, conducted unit and regression testing, and improved MySQL query performance by 10%. Contributed to projects using Agile and Waterfall methodologies to ensure timely and effective delivery.

Project Engineer (Backend Developer) at Wipro Limited

Engineered RESTful APIs using Java, Spring Boot, and MySQL to increase processing efficiency for secure money transfers by 20%. Automated data saving and letter generation to reduce manual data entry, and enhanced deployment efficiency by automating CI/CD pipelines via GitHub; collaborated with multiple teams in an Agile setup (Jira/Confluence).

Working Student (Software Developer) at Beckmann und Egle Industrieelektronik GmbH

Increased testing efficiency by 60% by developing a JavaScript-based test bench for simultaneous testing of multiple microcontrollers. Built and deployed a full-stack IO testbench application using React.js, Node.js (Express, SerialPort, WebSocket), and Electron, featuring real-time serial port communication, hardware interaction, and one-click desktop packaging with electron-packager for Windows. Engineered a TCP Client and Server in Python to automate test sequences and store results in MongoDB. Developed and maintained the full-stack testing application using JavaScript for both client-side interface and server-side logic. Git used for version control and Agile methodology followed.

Programmer Analyst (Backend Developer) at Cognizant

Implemented scalable microservices with Java and Docker, increasing operational efficiency by 35% for a leading U.S. insurance company. Conducted thorough Unit and Regression testing to ensure high-quality releases. Reduced database query times by 10% through MySQL query optimization. Contributed to projects using both Agile and Waterfall methodologies to ensure timely and effective delivery.

Project Engineer (Backend Developer) at Wipro Limited

Engineered RESTful APIs using Java, Spring Boot, and MySQL which increased the processing efficiency of secure money transfers by 20%. Reduced manual data entry by several hours per week and accelerated customer communication by 40% through automation of data saving and letter generation processes. Enhanced deployment efficiency and reliability by automating CI/CD pipelines via GitHub. Partnered with different teams in an Agile setting using Jira and Confluence.

Working Student (Software Developer) at Beckmann und Egle Industrie Elektronik GmbH

Developed a Streamlit log analyzer to surface patterns in large logs, wired with pandas/matplotlib pipelines, and an Ola-ma-powered helper for quick NL queries, enabling teammates to spot anomalies and cut triage time by ~50%.

Backend Developer at Cognizant

Developed backend solutions for a MetLife provider using Java. Improved MySQL query efficiency, reducing execution time by 10%. Automated and maintained batch jobs, enhancing system performance by 15%. Worked in Agile methodologies with Jira and Confluence.

Backend Developer at Wipro Limited

Built RESTful APIs in C# (.NET Core), increasing transaction efficiency by 20%. Developed automated letter-generation workflows, reducing manual data entry hours weekly. Implemented CI/CD pipelines using GitHub Actions to enhance release reliability and speed. Partnered with cross-functional teams under Agile methodologies using Jira and Confluence.

Programmer Analyst (Backend Developer) at Cognizant

Developed backend solutions for a MetLife provider using Java; improved MySQL query efficiency, reduced execution time by 10%; automated batch jobs and CI practices; worked in Agile methods with Jira and Confluence.

Project Engineer (Backend Developer) at Wipro Limited

Built RESTful APIs in C# (.NET Core); automated workflow for letter generation, reducing manual data entry; implemented CI/CD pipelines using GitHub Actions; collaborated with cross-functional teams under Agile.

Master's Research: Improving Video Caption Interaction for the Deaf and Hard of Hearing at University of Stuttgart

Led video caption enhancement work: built a Caption Crowd web app (JavaScript/Node.js with MongoDB) to improve subtitle accessibility; created a dataset of 50 videos using OpenAI Whisper and FFmpeg; conducted usability sessions and applied statistical tests.

AI-Assist ed Navigation System (Hackathon Project) at Habric SmartXHealth Hackathon

Built an edge-optimized wearable assistant (Raspberry Pi 5) combining YOLOv8, TinyML, OCR and ASR for real-time scene understanding, hazard detection, and sign reading; developed a multimodal perception pipeline (object detection, distance estimation, sign reading, EN/DE voice interaction).

PlanetPlate – AI-Powered Sustainable Recipe Planner at Hubert Burda Media | Black Forest Innovation GmbH

Architected an AI-driven recipe recommendation platform estimating carbon footprints and suggesting sustainable ingredient swaps; built a responsive web UI with React.js, Tailwind CSS, and Framer Motion; integrated SBERT embeddings via FastAPI back-end and Azure OpenAI for contextual insights; built sustainability datasets (Open Food Facts, AGRIBLYSE, IFEU, TERMOD).