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Bojan Stojicevic

@bojanstojicevic

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I build scalable web, mobile, fintech, and blockchain applications.

Serbia

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What I'm looking for

I'm looking to build scalable web, mobile, fintech, or blockchain products where I can own technical architecture, deliver reliable solutions, collaborate across teams, and lead or mentor developers.

I've built web and mobile applications for international clients as a freelance developer, using React, Next.js, Node.js, backend APIs, cloud services, payment gateways, and third-party integrations.

At Gold Dragon, I integrated crypto payment gateways, game aggregators, affiliate postbacks, promo-code functionality, and an NFT layer while strengthening transaction and user-data security.

Across TEMPO, Okov, ACIBADEM BEL MEDIC, and SET Plus Plus, I've delivered fintech interfaces, enterprise APIs, healthcare platforms, WordPress solutions, and scalable infrastructure while leading teams, mentoring developers, and improving performance.

Experience

Work history, roles, and key accomplishments

Current

Freelance Web/Mobile Developer

Current

Self-Employed

Jun 2016 - Present (10 years 3 months)

Engineered end-to-end web and mobile solutions for international clients, architected scalable system designs, and optimized backend workflows and databases. Integrated cloud services, payment gateways, and third-party APIs, and applied CI/CD pipelines and automated testing.

React Next.js NodeJS Mobile Development System Architecture Cloud Services Payment Gateways CI CD Version Control Testing Automation Performance Monitoring User Analytics Digital Transformation Technical Strategy

Blockchain Developer

Gold Dragon

Sep 2025 - Feb 2026 (5 months)

Engineered integration of a crypto payment gateway API, designed security layers, and developed a promo code system. Integrated a third-party game aggregator platform, implemented postback functionality, and built a basic NFT layer.

Blockchain Crypto Payment Gateway API Integration Security Smart Contract Integration NFT Game Aggregation Postbacks Affiliate Tracking Backend Development Frontend Collaboration

Senior Full Stack Developer

TEMPO d.o.o

Jul 2020 - Sep 2025 (5 years 2 months)

Designed and implemented fintech user interfaces with React and Next.js, developed secure backend APIs and database schemas, and built role-based content management systems. Implemented caching strategies, session handling, and integrated features like comments and geolocation services.

React Next.js Fintech UI UX Accessibility Responsive Design Backend APIs Database Design CMS Caching Session Handling Geolocation Video Playback Code Review

Senior Full Stack Developer

Okov d.o.o

Feb 2018 - Jun 2020 (2 years 4 months)

Led technical architecture and full-stack development, enforced coding standards, and mentored junior developers. Built robust backend services, RESTful APIs, and relational databases, and oversaw performance tuning and deployment strategies.

Technical Architecture Fullstack Development Coding Standards Mentorship Backend Services REST APIs Relational Databases Performance Optimization CI CD Cloud Infrastructure Sprint Planning Resource Allocation

Senior Full Stack Developer

ACIBADEM BEL MEDIC

Jun 2016 - Feb 2018 (1 year 8 months)

Led a small team in developing an online medical journal platform, implemented secure authentication and role-based access, and developed responsive UI/UX designs. Conducted unit testing, QA, and debugging, and optimized platform performance.

Team Leadership Medical Care Platform Authentication Role based Access HIPAA Responsive Design Unit Testing QA Debugging Database Indexing Caching Agile Code Review Release Management

Full Stack Developer

SET Plus Plus

Jul 2013 - May 2016 (2 years 10 months)

Migrated legacy websites to modern WordPress platforms, developed custom plugins, and resolved WooCommerce issues. Implemented SEO best practices, automated site backups and deployment workflows, and delivered end-to-end web solutions.