Looking for a job

Nikola Bjelic

@nikolabjelic

Senior Full Stack Developer at Digital Core Systems integrating AI capabilities into applications and business workflows.

Serbia

Message

At Digital Core Systems, I develop and maintain production full-stack applications using React, TypeScript, Node.js, and Next.js. I also integrate AI capabilities into applications and business workflows.

At Mainstream, I designed and developed web applications and SaaS platforms, building frontend applications with React, TypeScript, and Next.js and backend services with Node.js. I also designed and optimized MongoDB, PostgreSQL, and SQL databases.

Earlier, at Capaciteam and Quantox Technology, I developed web applications, backend REST APIs, and business software. My work included third-party API integrations, performance improvements, and implementing features and fixing bugs.

Experience

Work history, roles, and key accomplishments

Current

Senior Full Stack Developer / AI Integration

Current

Digital Core Systems

Apr 2024 - Present (2 years 7 months)

Develop and maintain production full-stack applications using React, TypeScript, Node.js, and Next.js. Build REST APIs, database integrations, and third-party service connections, and integrate AI capabilities into applications and workflows.

React TypeScript NodeJS Next.js REST APIs Database Integration AI Integration AI assisted Development Workflow Automation Distributed Teams

Senior Full Stack Developer

Mainstream

Jan 2021 - Mar 2024 (3 years 2 months)

Designed and developed scalable web applications and SaaS platforms. Built frontend applications using React, TypeScript, and Next.js, and developed backend services and REST APIs using Node.js.

React TypeScript Next.js NodeJS REST APIs MongoDB PostgreSQL SQL System Architecture Code Review Third Party Integrations Performance Optimization

Full Stack Developer

Capaciteam

Jul 2018 - Dec 2020 (2 years 5 months)

Developed full-stack web applications using modern JavaScript technologies. Built responsive frontend applications and backend REST APIs, and integrated third-party APIs and external services.

JavaScript React NodeJS MongoDB PostgreSQL REST APIs Third Party Integrations Performance Optimization International Clients Distributed Teams

Junior Software Engineer

Quantox Technology

Jul 2016 - Jun 2018 (1 year 11 months)

Developed and maintained web applications and business software. Implemented new features, fixed bugs, and improved existing functionality using JavaScript, HTML, CSS, SQL, and backend technologies.