Sergiu Rosca Email & Phone Number

Cluj-Napoca, Cj, Ro

Cluj-Napoca, Cluj, Romania

🔰 Automated Healthcare Reimbursement System🛡 The client, a health plan administrator facing challenges in managing complex claims processes, required a solution to improve operational efficiency. The objective was to develop a comprehensive system that would automate claim processing, enhance data accuracy, and streamline communication between providers and members, ultimately improving patient care and reducing administrative costs.✅ 𝐀𝐜𝐡𝐢𝐞𝐯𝐞𝐝 𝟐𝟎𝟎% 𝐩𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞 𝐢𝐦𝐩𝐫𝐨𝐯𝐞𝐦𝐞𝐧𝐭 by adding essential database indexes and optimizing code to remove redundant queries, dramatically accelerating data retrieval.✅ 𝐂𝐨𝐥𝐥𝐚𝐛𝐨𝐫𝐚𝐭𝐞𝐝 𝐰𝐢𝐭𝐡 𝐜𝐥𝐢𝐞𝐧𝐭𝐬 𝐭𝐨 𝐢𝐝𝐞𝐧𝐭𝐢𝐟𝐲 𝐦𝐨𝐫𝐞 𝐞𝐟𝐟𝐢𝐜𝐢𝐞𝐧𝐭 𝐬𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬, offering strategic alternatives to their initial proposals, resulting in optimized project outcomes and increased client satisfaction.✅ 𝐍𝐮𝐫𝐭𝐮𝐫𝐞𝐝 𝐭𝐡𝐞 𝐠𝐫𝐨𝐰𝐭𝐡 𝐨𝐟 𝐚 𝐜𝐨𝐥𝐥𝐞𝐚𝐠𝐮𝐞 by guiding him through the fundamentals of programming, elevating his skills to a level where he could confidently contribute to significant projects.

Cluj-Napoca, Cluj, Romania

🔰 Payment Provider Services🛡 The client, a leading payment provider services company, needed a solution to automate payment processing and credit validation. The objective was to implement comprehensive services that would enhance transaction efficiency, reduce reduce manual checkings , and improve overall customer experience in the payment landscape.✅ 𝐑𝐞𝐝𝐮𝐜𝐞𝐝 𝐦𝐚𝐧𝐮𝐚𝐥 𝐜𝐡𝐞𝐜𝐤𝐢𝐧𝐠𝐬 𝐛𝐲 𝟔𝟎% 𝐟𝐨𝐫 𝐜𝐫𝐞𝐝𝐢𝐭 𝐯𝐚𝐥𝐢𝐝𝐚𝐭𝐢𝐨𝐧 𝐚𝐧𝐝 𝐩𝐚𝐲𝐦𝐞𝐧𝐭𝐬, enhancing overall efficiency through the development of services that automate these validations efficiently and rapidly.✅ 𝐈𝐦𝐩𝐫𝐨𝐯𝐞𝐝 𝐭𝐡𝐞 𝐮𝐬𝐞𝐫 𝐞𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 𝐬𝐢𝐠𝐧𝐢𝐟𝐢𝐜𝐚𝐧𝐭𝐥𝐲 by eliminating wait times through the asynchronous data processing by using cloud workflows until the user completes the registration flow.

Cluj-Napoca, Cluj, Romania

🔰 Restaurant & Service Staff App✅ 𝐈𝐦𝐩𝐫𝐨𝐯𝐢𝐧𝐠 𝐦𝐞𝐦𝐨𝐫𝐲 𝐮𝐬𝐚𝐠𝐞 𝐛𝐲 𝟐𝟎% 𝐚𝐧𝐝 𝐞𝐧𝐬𝐮𝐫𝐢𝐧𝐠 𝐭𝐡𝐞 𝐚𝐩𝐩 𝐫𝐞𝐦𝐚𝐢𝐧𝐬 𝐬𝐭𝐚𝐛𝐥𝐞, by making features for cleaning temporary and using disposable objects. From that point the app was stable and usable in each scenario by users.✅ 𝐑𝐞𝐝𝐮𝐜𝐢𝐧𝐠 𝐩𝐫𝐨𝐜𝐞𝐬𝐬𝐢𝐧𝐠 𝐭𝐢𝐦𝐞 𝐛𝐲 𝟓𝟎% 𝐛𝐲 𝐮𝐭𝐢𝐥𝐢𝐳𝐢𝐧𝐠 𝐩𝐚𝐫𝐚𝐥𝐞𝐥 𝐜𝐨𝐦𝐩𝐮𝐭𝐢𝐧𝐠 to maximize efficiency and optimize application performance. This approach was implemented across multiple code segments, enhancing overall system responsiveness.

Cluj-Napoca, Cluj, Romania

Developed and maintained e-commerce websites using Node.js, focusing on real-time responsiveness and optimized user interactions.Implemented solutions to enhance platform performance and user experience, leveraging Node.js's event-driven architecture.Collaborated closely with design and UX teams to ensure seamless integration of front-end and back-end functionalities.

Master Of Science - Ms, Distributed Systems

Computer Science

High School Diploma, Mathematics And Computer Science