Aleksa Vujisic | AI Innovator & Technology Leader

Aleksa Vujisic: AI Innovator & Technology Leader

Driving impactful solutions in artificial intelligence, machine learning, and scalable tech. Let's build the future, together.

I’m Aleksa Vujisic, a results-driven AI engineer and tech consultant with a passion for transforming complex challenges into intelligent, real-world solutions. Harnessing experience across startups and enterprise, I specialize in applied AI, MLOps, and cloud-native architectures.

About Aleksa

Aleksa Vujisic is an AI specialist and technology consultant with 7+ years of experience architecting, building, and scaling intelligent systems. He currently leads AI projects at SmartCat, empowering businesses to leverage data-driven insights and automation.

My mission is to democratize artificial intelligence by making cutting-edge technologies accessible, ethical, and impactful for organizations of all sizes.

Key Achievements

  • Spearheaded the deployment of a real-time recommendation system for a Fortune 500 client, boosting user engagement by 27%.
  • Designed and led the migration of legacy analytics pipelines to a cloud-native ML platform, reducing operational costs by 40%.
  • Recognized speaker at PyData Belgrade and AI Serbia, sharing insights on scalable machine learning and responsible AI.

Skills & Expertise

  • 🤖Machine LearningExpert
  • 🧠Deep Learning (PyTorch, TensorFlow)Advanced
  • ☁️MLOps & Cloud (AWS, GCP, Azure)Advanced
  • 🐍Python & ScalaExpert
  • 🔗Data EngineeringAdvanced
  • 🧑‍💼Team Leadership & MentoringAdvanced
  • 📈Agile Project ManagementProficient

Certifications

  • AWS Certified Machine Learning – Specialty - Amazon Web Services
  • TensorFlow Developer Certificate - Google

Awards

  • SmartCat Annual Innovation Award, 2022

Featured Projects

Personalized Recommendation Engine

Developed and deployed a high-throughput recommendation engine leveraging collaborative filtering and deep learning for a global e-commerce platform. Achieved a 27% uplift in user engagement.

  • Python
  • TensorFlow
  • AWS SageMaker
  • Kafka

End-to-End MLOps Pipeline

Architected a CI/CD-enabled MLOps pipeline integrating model training, testing, and deployment for a fintech client. Reduced model release cycles from weeks to hours.

  • Docker
  • Kubernetes
  • MLflow
  • Azure ML

Conversational AI Chatbot

Built a multilingual chatbot using transformer models and integrated it with customer support workflows, reducing ticket response times by 45%.

  • PyTorch
  • HuggingFace Transformers
  • FastAPI

Professional Experience

SmartCat

Lead AI Engineer2020 – Present
  • Lead design and deployment of scalable AI solutions for enterprise clients.
  • Mentor and manage a cross-functional team of 8 engineers.
  • Consult on AI strategy, architecture, and MLOps best practices.
  • Enabled a 40% cost reduction for a major client by automating analytics pipelines.

Freelance / Consulting

AI & Data Consultant2015 – 2017
  • Advised startups on machine learning adoption and proof-of-concept development.
  • Conducted workshops on Python and deep learning.

What Clients & Colleagues Say

“Aleksa’s expertise in AI and MLOps transformed our product roadmap. His leadership and technical insight were instrumental in scaling our platform.”

Jovana Pavlovic, CTO, SmartCat

“A true innovator—Aleksa combines deep technical knowledge with practical business sense. He’s a go-to collaborator for any challenging AI project.”

Milos Petrovic, Head of Data Science, Vega IT

Let’s Connect

Interested in collaborating, hiring, or inviting me to speak? I’d love to hear from you.