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Nikola Zivkovic
Looking for a jobSoftware Engineer
Software Engineer building financial systems at Paragraf Lex and freelance, including audited ledgers and automated payment reconciliation.
SerbiaSoftware Engineer at Freelance
Experience
Software Engineer
Built receivables and payments system for a building-services client in Vienna, Austria. Automated CAMT.053 bank reconciliation and built LLM invoice extraction with Spring AI.
JavaSpring BootPostgreSQLSpring AIISO 20022Event SourcingLLMCamt.053
Software Engineer
Worked on a large-scale multi-tenant fintech SaaS platform. Led a team to design and ship a new e-dispatch system and designed a double-entry, append-only general ledger.
JavaSpring BootPostgreSQLRabbitMQReactDockerAWSGitHub ActionsMicroservicesEvent Driven ArchitectureCI CD
Software Engineer Intern
Contributed to a mobile e-commerce platform. Developed REST API with Java (Spring Boot) and PostgreSQL for product management and order processing.
JavaSpring BootPostgreSQLREST APIs
Education
Information Technology School-ITS Comtrade
Graduated with a Bachelor's Degree in Computer Science in 2024.
Graduated with a Bachelor's Degree in Computer Science in 2024.