Architecture
Software ArchitectureSolution ArchitectureRESTDesign PatternsData ModelingBusiness Needs Identification
Portfolio / 2026
Nikola
Spalevic
Software Architect + AI Engineer
I design resilient software systems and lead teams through the decisions that make complex products useful, maintainable, and ready for what comes next.
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Nikola Spalevic
Nikola Spalevic
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Expertise
The practices I bring to a problem, from the first question to the final handoff.
AI Engineering
Generative AIPrompt EngineeringOpenAI APIAnthropic ClaudeLangChainLangGraphRAGVector DatabasesModel Context Protocol
Technical Leadership
Team ManagementStakeholder ManagementProject BudgetingMentoringScrum
Tools of the trade
Languages & frameworks
JavaScript / TypeScript · Python · PHP · Node.js · React / ReactJS · Next.js · VueJS / Nuxt · Angular / AngularJS · Django · Laravel · Express · React Native
Data & infrastructure
PostgreSQL · MySQL · Microsoft SQL Server · Oracle RDBMS · Redis · RabbitMQ · Docker · Google Cloud Platform · AWS · GitHub Actions · Terraform Cloud
Experience
Eleven years of building and guiding software in teams across industries.
EPAM Systems
Key Engineer
Client / AstraZeneca
Architect / Key Engineer
Client / Procter & Gamble US
Team Lead / Business Analyst
Client / Adacta programska oprema doo
VivifyIdeas
Engineer
Client / VNDLY
Lead Developer
Client / Noformat / Column
Lead Developer / Frontend Developer
Client / Hexagram / Saturized
Lead Developer
Client / RiseBuildings
Full-stack Developer
Client / Salarium
Engineer / Team Lead / Solution Architect
Client / VivifyScrum
Credentials
The foundation behind the work.
Education
University of Belgrade
Faculty of Organizational Sciences
Bachelor's Degree, Information Systems and Technologies
Certification · 2026
Anthropic: Claude Certified Architect
Foundations
Have a good problem?