Kacper Multan
AI-focused fullstack engineer driving scalable backend and LLM solutions.
Warsaw, PL
Full time
Hybrid/Remote
AI-focused Software Engineer with 4.5 years of experience, holding a B.Sc. (Highest Distinction) and pursuing a Master’s in Computer Science from Warsaw...
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My Career Journey
1/4
Devapo Sp. z o.o.
Java Fullstack Developer
Oct 2025 - Present | 11m
Warsaw, PL
Developed scalable backend architectures with Java and Spring Boot; raised throughput by 36%. Implemented microservices with Kafka/RabbitMQ, managed transactions for data consistency using Saga and Outbox,...
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Pinterest
Intern Software Developer
Jul 2025 - Sep 2025 | 2m
Warsaw, PL
Developed and maintained high-performance backend services in Python to optimize daily data workflows. Identified and resolved bottlenecks in intern-developed workflows, increasing processing speed by...
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Sollers Consulting
Junior Fullstack Developer
Jul 2024 - Feb 2025 | 7m
Warsaw, PL
Engineered an internal web application with React and Spring, streamlining employee workflows and reducing manual processing by 25%. Developed Jenkins workflows for CI/CD deployment of microservices.
Lemmy sp. z o.o.
Junior Frontend Developer
Jul 2023 - Nov 2023 | 4m
Warsaw, PL
Built and maintained backend endpoints in Node.js; enhanced reliability through comprehensive unit testing.
Education
Warsaw University of Technology
Master in Computer Science – Artificial Intelligence
Ongoing
Warsaw University of Technology
Bachelor in Computer Science – Artificial Intelligence
2026
Certifications & Qualifications
Camunda Certified Associate
Camunda2025
Solvd Node.js Course
Solvd2024
Language(s) I speak
Polish
Fluent
English
Fluent