Nikita Oparko

Hi, I’m Nikita Oparko, a Full Stack Developer with 5 years of professional experience and 8 years of overall experience across diverse software projects.

I specialize in modernizing legacy systems, leading technical initiatives, and building scalable, reliable web applications. Throughout my career, I have worked on large-scale system migrations, complex integrations, and improving the overall architecture and maintainability of enterprise-level products.

I have strong experience in designing and implementing backend systems, integrating payment and authentication workflows, and developing reusable component libraries with a strong focus on testing and code quality. I also actively contribute to frontend development when needed, ensuring consistent and well-structured full stack solutions.

My key strengths include:

• Modernizing and refactoring legacy systems

• Leading cross-functional teams through complex migrations

• Designing and implementing scalable backend architectures

• Integrating payment systems and authentication flows

• Building reusable, well-tested component libraries

• Ensuring reliability, performance, and maintainability

I am passionate about building meaningful backend systems and helping teams deliver high-quality, scalable software that solves real business problems and supports long-term growth.