Petar Randjelovic Email & Phone Number

Belgrade, Serbia

- Migrated over 20% of international analytics customers to a new React.js UI in the main Analytics SaaS product. - Increased JEST test coverage by 40% and introduced EsLint in core projects, automating tests through CI/CD workflows using GitHub Actions and Jenkins, which reduced QA effort and ensured robust code quality before being shipped. - Revitalized an in-house React UI library, leading to a more consistent and scalable codebase adopted across several companywide projects. - Reduced Webpack size by enabling compressed Webpack files on the Apache server, resulting in faster load time for the main Analytics app. - Refactored over 50 servlets and services to leverage the Tableau Server Java API more efficiently, implementing caching and asynchronous data processing, improving response times and reduce server load. - Delivered on time for every release, collaborating with Professional Services, Product Owners, Engineering, and UI/UX teams.

- Managed an international team across Central & Eastern Europe and SE Asia, delivering 5 web solutions that boosted profits by nearly 200%. - Optimized project workflows and integration using small-scale agile methodologies, resulting in faster delivery times and improved client satisfaction.

Niš, Serbia, Science And Technology Park

- Founded and bootstrapped a software startup focused on streamlining booking workflows for SMEs.- Developed a mobile and web platform using React PWA, with a scalable backend handling up to 1,000 reservations per minute. - Hosted on Microsoft Azure with a .NET 7 ORM API for efficient, scalable data management. - Secured over 50 client partnerships with local SMEs. Acquired expertise in product development, go-to-market strategies, and managing product launches with minimal capital, despite the venture not succeeding.

Niš, Serbia, Science And Technology Park

- Developed a green technology software product for fleet management, including secure REST APIs using Java Spring and .NET7 and intuitive UI components using enterprise UI libraries. - Acquired insights into venture capital and startup seeding. - Successfully brought the app to market, achieving a 30% reduction in fleet operational costs and securing initial funding from angel investors & EU Innovation fund.

Stockholm, Stockholm County, Sweden

Started as a 3-month intern in Täby, Stockholm, transitioning to a hybrid role.Contributed to several backend projects, optimizing app performance with MySQL, Java and Python

Serbia

Tutoring and teaching university level C++ and Basics of web development to international students from Serbia, Switzerland and Austria.

Bsc - Bachelor’S In Computer Science, Computer Software Engineering

- SkillUP Hackathon - Big Data & Data Mining (Hosted by ProfitOptics) - Sep 2021 [ Won 3rd place on nationals ] - EESTech Challenge.

Up Famnit, Computer Science - Erasmus+ Exchange Programme, Computer Science

Won a Major League global hackathon by MLH, researched and worked on Data, Augmented Reality & Computer Vision.