Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

Hi, I’m Nikola Petrovich Belgrade, a Senior Software Engineer with 10+ years of experience building responsive, high-performance corporate web applications in regulated industries. I specialize in HTML5, CSS3, JavaScript, and WordPress, with a strong focus on SEO, UX/UI design, and accessibility. I translate GMP, FDA, and EMA requirements into intuitive, user-friendly digital experiences for B2B audiences and thrive in Agile environments across design, product, and engineering teams. Throughout my career I have delivered scalable architectures, performance optimizations, and client engagement solutions such as forms and conversion-focused interfaces. I excel at cross-functional collaboration, maintaining robust documentation, and adapting to evolving compliance standards to ensure secure, compliant web solutions.…Hi, I’m Nikola Petrovich Belgrade, a Senior Software Engineer with 10+ years of experience building responsive, high-performance corporate web applications in regulated industries. I specialize in HTML5, CSS3, JavaScript, and WordPress, with a strong focus on SEO, UX/UI design, and accessibility. I translate GMP, FDA, and EMA requirements into intuitive, user-friendly digital experiences for B2B audiences and thrive in Agile environments across design, product, and engineering teams. Throughout my career I have delivered scalable architectures, performance optimizations, and client engagement solutions such as forms and conversion-focused interfaces. I excel at cross-functional collaboration, maintaining robust documentation, and adapting to evolving compliance standards to ensure secure, compliant web solutions.

Nikola Petrovich Belgrade

Web Developer, Full Stack Developer, Front-End Developer, +2





Hi, I’m Nikola Petrovich Belgrade, a Senior Software Engineer with 10+ years of experience building responsive, high-performance corporate web applications in regulated industries. I specialize in HTML5, CSS3, JavaScript, and WordPress, with a strong focus on SEO, UX/UI design, and accessibility. I translate GMP, FDA, and EMA requirements into intuitive, user-friendly digital experiences for B2B audiences and thrive in Agile environments across design, product, and engineering teams. Throughout my career I have delivered scalable architectures, performance optimizations, and client engagement solutions such as forms and conversion-focused interfaces. I excel at cross-functional collaboration, maintaining robust documentation, and adapting to evolving compliance standards to ensure secure, compliant web solutions.…Hi, I’m Nikola Petrovich Belgrade, a Senior Software Engineer with 10+ years of experience building responsive, high-performance corporate web applications in regulated industries. I specialize in HTML5, CSS3, JavaScript, and WordPress, with a strong focus on SEO, UX/UI design, and accessibility. I translate GMP, FDA, and EMA requirements into intuitive, user-friendly digital experiences for B2B audiences and thrive in Agile environments across design, product, and engineering teams. Throughout my career I have delivered scalable architectures, performance optimizations, and client engagement solutions such as forms and conversion-focused interfaces. I excel at cross-functional collaboration, maintaining robust documentation, and adapting to evolving compliance standards to ensure secure, compliant web solutions.

Available to hire

Hi, I’m Nikola Petrovich Belgrade, a Senior Software Engineer with 10+ years of experience building responsive, high-performance corporate web applications in regulated industries. I specialize in HTML5, CSS3, JavaScript, and WordPress, with a strong focus on SEO, UX/UI design, and accessibility. I translate GMP, FDA, and EMA requirements into intuitive, user-friendly digital experiences for B2B audiences and thrive in Agile environments across design, product, and engineering teams.

Throughout my career I have delivered scalable architectures, performance optimizations, and client engagement solutions such as forms and conversion-focused interfaces. I excel at cross-functional collaboration, maintaining robust documentation, and adapting to evolving compliance standards to ensure secure, compliant web solutions.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Work Experience

Senior Software Engineer at IBM Serbia

May 1, 2023 - Present

Led end-to-end development of responsive corporate websites for healthcare and pharmaceutical consulting clients. Collaborated with UX/UI designers and stakeholders to define scalable architecture and user-centric design strategies. Designed and implemented WordPress-based CMS solutions tailored to technical service offerings and compliance-heavy content. Developed SEO-optimized web pages improving organic traffic and search rankings for regulated industry keywords. Translated GMP, FDA, and EMA requirements into structured content layouts and accessible pages. Built dynamic contact forms and lead-generation funnels. Optimized performance through code splitting, asset compression, and caching. Ensured cross-browser compatibility and responsive behavior. Conducted usability testing and maintained documentation for updates and long-term maintenance.

Senior Software Engineer at IceFyre

November 1, 2018 - April 1, 2023

Owned development of multiple corporate and consulting websites with a focus on B2B user experience. Partnered with cross-functional teams to align technical delivery with business and branding requirements. Built custom WordPress themes and plugins to support complex service structures. Implemented SEO strategies including metadata optimization, structured data, and performance tuning. Developed reusable UI components using HTML, CSS, and JavaScript. Integrated third-party tools for analytics, marketing automation, and form handling. Improved site load times and performance scores through optimization techniques. Ensured accessibility compliance and consistent UI across multiple browsers. Delivered scalable and maintainable code following best practices.

Software Engineer at Active Collab

September 1, 2016 - October 1, 2018

Contributed to development of web-based platforms for business clients with structured content needs. Collaborated with designers and product teams to implement intuitive UI/UX solutions. Developed responsive layouts using modern CSS techniques and JavaScript. Assisted in CMS integrations and content structuring for service-oriented websites. Performed cross-browser testing and debugging to ensure consistent performance. Supported SEO optimization efforts through technical improvements and audits. Maintained and updated legacy codebases to improve performance and usability. Participated in Agile ceremonies and sprint planning to deliver high-quality frontend features aligned with project timelines.

Junior Software Engineer at Nordeus

August 1, 2014 - August 1, 2016

Developed and maintained frontend components for web applications. Collaborated with senior engineers to implement responsive UI designs. Assisted in debugging and resolving cross-browser compatibility issues. Wrote clean HTML, CSS, and JavaScript code. Supported CMS-based content updates and enhancements. Participated in QA testing and bug fixing processes. Learned and applied best practices in web development and UX design. Contributed to improving website performance and load times. Worked within Agile teams to deliver incremental features.