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I am an experienced full-stack developer with a focus on modern JavaScript stacks. I primarily work with React, Next.js, Vite, Redux, Node.js, Express.js, and TypeScript. On the database side, I am very familiar with both MongoDB and PostgreSQL. Remote work is standard for me, and I value structured, independent work and good collaboration. I coordinate closely with teams and partners across Germany over extended periods.\n\nI enjoy close collaboration with cross-functional teams and am comfortable operating in complex production environments, ensuring robust APIs, performance, and maintainable code.…I am an experienced full-stack developer with a focus on modern JavaScript stacks. I primarily work with React, Next.js, Vite, Redux, Node.js, Express.js, and TypeScript. On the database side, I am very familiar with both MongoDB and PostgreSQL. Remote work is standard for me, and I value structured, independent work and good collaboration. I coordinate closely with teams and partners across Germany over extended periods.\n\nI enjoy close collaboration with cross-functional teams and am comfortable operating in complex production environments, ensuring robust APIs, performance, and maintainable code.

Nikola Ostojic

Back-End Developer, Full Stack Developer, Developer, +4

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I am an experienced full-stack developer with a focus on modern JavaScript stacks. I primarily work with React, Next.js, Vite, Redux, Node.js, Express.js, and TypeScript. On the database side, I am very familiar with both MongoDB and PostgreSQL. Remote work is standard for me, and I value structured, independent work and good collaboration. I coordinate closely with teams and partners across Germany over extended periods.\n\nI enjoy close collaboration with cross-functional teams and am comfortable operating in complex production environments, ensuring robust APIs, performance, and maintainable code.…I am an experienced full-stack developer with a focus on modern JavaScript stacks. I primarily work with React, Next.js, Vite, Redux, Node.js, Express.js, and TypeScript. On the database side, I am very familiar with both MongoDB and PostgreSQL. Remote work is standard for me, and I value structured, independent work and good collaboration. I coordinate closely with teams and partners across Germany over extended periods.\n\nI enjoy close collaboration with cross-functional teams and am comfortable operating in complex production environments, ensuring robust APIs, performance, and maintainable code.

Available to hire

I am an experienced full-stack developer with a focus on modern JavaScript stacks. I primarily work with React, Next.js, Vite, Redux, Node.js, Express.js, and TypeScript. On the database side, I am very familiar with both MongoDB and PostgreSQL. Remote work is standard for me, and I value structured, independent work and good collaboration. I coordinate closely with teams and partners across Germany over extended periods.\n\nI enjoy close collaboration with cross-functional teams and am comfortable operating in complex production environments, ensuring robust APIs, performance, and maintainable code.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

German

Fluent

English

Fluent

Work Experience

Backend/Full-Stack Entwickler at Logic Joe GmbH

May 1, 2022 - Present

Developed and integrated CMS components in FirstSpirit. Managed and maintained server and database structures. Implemented Solr to optimize search functionality. Created an Express.js application.

Backend/Full-Stack Entwickler at Asioso GmbH

May 1, 2022 - September 1, 2025

Developed and integrated CMS components in FirstSpirit. Configured SmartSearch search functionality. Integrated React components into the backend. Set up and configured Express.js and MongoDB.

Backend/Full-Stack Entwickler at Logic Joe GmbH

May 1, 2022 - Present

Development and integration of CMS components in FirstSpirit; management and maintenance of server and database structures; implementation of Solr to optimize search functionality; creation of an Express.js application.

Backend/Full-Stack Entwickler at Asioso GmbH

May 1, 2022 - September 5, 2025

Development and integration of CMS components in FirstSpirit; configuration of SmartSearch search; integration of React components into the backend; setup and configuration of Express.js and MongoDB.

Full-Stack Developer at Logic Joe GmbH

May 1, 2022 - Present

Development and integration of web and CMS modules in FirstSpirit, including the connection of custom APIs and extensions; design, implementation, and scaling of complex backend systems based on Node.js/Express.js, including API design, performance optimization, and robust error handling; implementation of Solr search technologies for optimizing content and product searches; operation, monitoring, and continuous optimization of server, database, and application structures in production environments.

Full-Stack Developer at Asioso GmbH

September 1, 2020 - April 1, 2022

Responsibility for the holistic development of modern web and backend architectures with a focus on React, Vite, Redux, Next.js, Node.js, Express.js, and TypeScript; development of robust full-stack functionality with MongoDB and PostgreSQL, including database modeling, query optimization, and building efficient data pipelines; development of a complete MERN-stack e-commerce application with product management, user logic, and admin modules; setup, configuration, and operation of Express.js- and MongoDB-based services.