Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

Hi there! I’m Veljko Teofilovic, a software engineer with over 10 years of experience spanning frontend, backend, and distributed systems. I enjoy building intuitive user interfaces and robust backends that power seamless, scalable experiences. I'm an algorithm enthusiast who tackles complex problems with analytical thinking and delivers innovative solutions. I thrive in collaborative environments and love turning ideas into reliable, high-performance software.…Hi there! I’m Veljko Teofilovic, a software engineer with over 10 years of experience spanning frontend, backend, and distributed systems. I enjoy building intuitive user interfaces and robust backends that power seamless, scalable experiences. I'm an algorithm enthusiast who tackles complex problems with analytical thinking and delivers innovative solutions. I thrive in collaborative environments and love turning ideas into reliable, high-performance software.

Veljko Teofilovic

Full Stack Developer, Front-End Developer, Back-End Developer, +2





Hi there! I’m Veljko Teofilovic, a software engineer with over 10 years of experience spanning frontend, backend, and distributed systems. I enjoy building intuitive user interfaces and robust backends that power seamless, scalable experiences. I'm an algorithm enthusiast who tackles complex problems with analytical thinking and delivers innovative solutions. I thrive in collaborative environments and love turning ideas into reliable, high-performance software.…Hi there! I’m Veljko Teofilovic, a software engineer with over 10 years of experience spanning frontend, backend, and distributed systems. I enjoy building intuitive user interfaces and robust backends that power seamless, scalable experiences. I'm an algorithm enthusiast who tackles complex problems with analytical thinking and delivers innovative solutions. I thrive in collaborative environments and love turning ideas into reliable, high-performance software.

Available to hire

Hi there! I’m Veljko Teofilovic, a software engineer with over 10 years of experience spanning frontend, backend, and distributed systems. I enjoy building intuitive user interfaces and robust backends that power seamless, scalable experiences.

I’m an algorithm enthusiast who tackles complex problems with analytical thinking and delivers innovative solutions. I thrive in collaborative environments and love turning ideas into reliable, high-performance software.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Advanced

Work Experience

AI Engineer at Addy.so

June 1, 2025 - October 25, 2025

Participated in designing and developing AI-driven automation solutions for mortgage lending processes, integrated OpenAI APIs, Google Document AI APIs and LangChain APIs to enhance automated email responses, improving client communication and lead management. Led API development efforts for integrating AI-powered mortgage solutions into existing CRM and loan origination systems.

Senior Software Engineer at DuPont

May 1, 2024 - October 25, 2025

Developed DWS Strategic Intelligence Hub, an enterprise knowledge management platform built on the DuPont Brain Stack. Transitioned legacy frontend to a component-based architecture using Stencil; performed performance optimization (code splitting, lazy loading, image optimization); leveraged Marklogic search to store and query large datasets; implemented complex search algorithms; improved decision support.

Senior Software Engineer at Burgitech

January 1, 2022 - October 25, 2025

Developed SaaS websites using Node.js, PHP, MongoDB, MSSQL, AWS DynamoDB; designed RESTful APIs; implemented responsive design; integrated third-party APIs (payments, shipping, analytics); optimized React and Angular apps; implemented custom smart contract logic to support DeFi use cases and integrated into user-facing applications.

Full Stack Engineer at Exante

December 1, 2019 - October 25, 2025

Designed and developed backend architectures and APIs, enhancing connectivity between internal and external financial systems; managed financial databases and optimized backend systems to handle high-volume transactions; implemented strict security protocols to comply GDPR and MiFID II; Achieved 99.9% uptime and improved performance by 50%; reduced vulnerabilities by 40%.

Software Developer Intern at Liftango

October 1, 2017 - October 25, 2025

Developed user interfaces for web and mobile applications; implemented design specifications; optimized application performance to reduce load times and improve user experience; reduced app load times by 30% and improved cross-browser compatibility by 20%; increased user engagement by 35%.