Open to opportunities

Stefan Matic

@stefanmatic1

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Senior Full Stack and AI Engineer delivering scalable cloud applications and AI-driven products.

Serbia

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What I'm looking for

I seek engineering roles building scalable cloud and AI-driven products where I can lead technical delivery, mentor teams, and create robust MLOps and production systems.

I am a Senior Full Stack and AI Engineer with 10 years building cloud applications across healthcare, e-commerce, and SaaS, combining expertise in JavaScript, Python, and AI integration to deliver data-driven products and mentor engineering teams.

I have designed and deployed SaaS platforms, conversational AI assistants, and MLOps pipelines using technologies such as TensorFlow, LangChain, Docker, and AWS SageMaker, improving uptime, engagement, and developer productivity while mentoring junior engineers and collaborating with clinicians and product teams.

Experience

Work history, roles, and key accomplishments

Senior Full Stack Engineer

Scalo

Aug 2022 - Sep 2025 (3 years 1 month)

Designed and delivered two SaaS platforms with chatbots, recommendation systems, and automation workflows; deployed 8+ Python/TensorFlow and OpenAI API microservices and improved platform uptime by 30% while increasing user engagement by 18%.

Python TensorFlow OpenAI API MLOps Docker AWS Sagemaker GitHub Actions

Full Stack Engineer

Scalo

Sep 2019 - Aug 2022 (2 years 11 months)

Engineered three HIPAA-compliant cloud SaaS applications for healthcare data management using React, Node.js, and PostgreSQL/MongoDB; built 15+ modular APIs and automated CI/CD on AWS ECS and Vercel.

React Node Express PostgreSQL MongoDB AWS ECS Vercel CI CD HIPAA

Frontend Developer

Kultify

May 2016 - Jul 2019 (3 years 2 months)

Developed high-performance React + TypeScript interfaces and reusable UI libraries, improving conversion rates by 12% and reducing front-end defects by 25% through Jest and Cypress test coverage.

React TypeScript Redux Jest Cypress Performance Optimization Accessibility

Web Developer

TNation

Oct 2014 - Sep 2016 (1 year 11 months)

Designed and delivered responsive client websites and small-scale applications, building core skills in HTML5, CSS3, JavaScript, early React/Node.js and performance tuning across projects.