Luka Jovanovic

Luka Jovanovic

Mentor
Rising Codementor
US$10.00
For every 15 mins
ABOUT ME
AI & Full Stack Engineer | Web Apps, and LLM Solutions
AI & Full Stack Engineer | Web Apps, and LLM Solutions

Senior Software Engineer with 8+ years of experience building scalable web applications, backend systems, and AI-integrated product platforms across startup and enterprise environments. Strong hands-on experience delivering end-to-end products using React.js, Next.js, TypeScript, Node.js, Python, Java, and cloud-based architectures, with a focus on clean system design, maintainability, performance, and reliable production delivery. Experienced in integrating AI into practical business workflows through LLM-powered features, semantic search, automation pipelines, analytics dashboards, and data-driven internal tools. Comfortable working across EU and US time zones in remote engineering environments.

Belgrade (+02:00)
Joined May 2026
EXPERTISE
8 years experience
6 years experience
5 years experience
7 years experience
9 years experience
8 years experience
8 years experience

REVIEWS FROM CLIENTS

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SOCIAL PRESENCE
GitHub
xingarr
7
0
strategic-init
TypeScript
2
0
EMPLOYMENTS
Senior Software Engineer - Full Stack + AI Integrations
reanmo GmbH
2024-05-01-Present

●​ Lead development and maintenance of customer-facing and internal platforms supporting high-volume ordering, reporting, and operatio...

●​ Lead development and maintenance of customer-facing and internal platforms supporting high-volume ordering, reporting, and operational workflows.
●​ Designed and delivered full-stack features across React, TypeScript, Node.js, Python, Java, and PostgreSQL-based systems to support business-critical product functionality.
●​ Built internal analytics dashboards that tracked order volume, revenue trends, and operational performance for business teams.
●​ Developed AI-powered analytics workflows in Python to analyze historical transaction data, identify customer behavior patterns, and surface operational insights.
●​ Built forecasting and automated reporting pipelines that improved visibility into staffing, inventory planning, and performance monitoring.
●​ Improved platform performance, backend efficiency, and application reliability through ongoing optimization, bug fixing, and architecture refinement.

Python
Java
Node.js
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Python
Java
Node.js
PostgreSQL
TypeScript
React
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Full-Stack Engineer | AI & Web3 Integrations
Twin Sun
2021-11-01-2024-05-01

●​ Built and delivered full-stack applications for startup clients using React, Next.js, TypeScript, Node.js, Python, PostgreSQL, and ...

●​ Built and delivered full-stack applications for startup clients using React, Next.js, TypeScript, Node.js, Python, PostgreSQL, and cloud-based services.
●​ Implemented AI-powered features including document classification, semantic search, automated text analysis, and LLM-assisted workflows for real business use cases.
●​ Designed backend modules, REST APIs, and product workflows that integrated AI capabilities into SaaS platforms, internal tools, and client-facing applications.
●​ Built frontend experiences for AI-driven features, helping users interact with document workflows, search systems, and automation tools more effectively.
●​ Integrated authentication systems, payment services, cloud storage APIs, and third-party platforms into production-ready applications.
●​ Improved performance and scalability through query optimization, backend refactoring, and more efficient frontend-backend interaction patterns.
●​ Collaborated closely with product, design, and engineering teams in Agile delivery cycles across remote startup engagements.

Python
Node.js
PostgreSQL
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Python
Node.js
PostgreSQL
TypeScript
React
Cloud Services
Next.js
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Full Stack Developer | Platform Integrations
Share IT
2020-12-01-2021-10-01

●​ Developed full-stack web applications using React, TypeScript, Node.js, Java, Spring Boot, and PostgreSQL for SaaS and internal bus...

●​ Developed full-stack web applications using React, TypeScript, Node.js, Java, Spring Boot, and PostgreSQL for SaaS and internal business platforms.
●​ Built and maintained backend APIs and service layers supporting dashboards, workflow features, and data-driven business tools.
●​ Implemented responsive frontend interfaces and integrated third-party systems including authentication, payment APIs, and cloud storage services.
●​ Contributed to integration-friendly application architecture that supported extensible backend services and reliable API-driven frontend development.
●​ Improved API response times, backend maintainability, and database performance through service refactoring and query optimization.
●​ Worked with distributed teams in Agile development cycles to deliver reliable client-facing software.

Java
Node.js
PostgreSQL
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Java
Node.js
PostgreSQL
TypeScript
React
Spring Boot
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PROJECTS
Headless E-Commerce Migration for RubberFlooring4UView Project
2024
Led the migration of RubberFlooring4U from a traditional Shopify setup to a modern headless e-commerce architecture using React, Next.js,...
Led the migration of RubberFlooring4U from a traditional Shopify setup to a modern headless e-commerce architecture using React, Next.js, and Contentful. Improved SEO, page speed, content structure, and user experience through server-side rendering, optimized content modeling, and image optimization. The project helped increase user engagement, reduce page load time, and improve overall site performance.
Python
Node.js
SEO
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Python
Node.js
SEO
Laravel
TypeScript
E-commerce
CMS
React
JavaScript
Ai/llm apis
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Full Stack Feedback Platform with Real-Time Chat and AI ChatbotView Project
2025
Built and improved a full stack feedback management platform using React, Next.js, and Laravel. Developed admin dashboards, real-time cha...
Built and improved a full stack feedback management platform using React, Next.js, and Laravel. Developed admin dashboards, real-time chat, SMS notifications, payment processing, email alerts, and scalable backend features. Also integrated AI-powered customer support using Python, RAG, and HuggingFace. Optimized performance with Redis and DataDog and supported deployment using Docker and AWS EC2.
Python
Node.js
Laravel
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Python
Node.js
Laravel
WebSocket
Redis
Stripe
Twilio
Docker
React
Dashboards
Chatbot
AWS
SaaS
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