Looking for a job

Borna Jelic

@bornajelic

Senior Software Engineer at Njuskalo Technology building Go microservices and model-serving systems that cut median inference latency by 24%.

Croatia

Message

Senior backend and AI platform engineer (Python, Go) building production LLM agents, ML model serving and high-throughput distributed systems on AWS. Recent work includes a conversational marketplace search agent (LangGraph, MCP), a model-serving platform handling 10M predictions per day, and recommendation services peaking at 450 RPS with 99.9% availability.

Experience

Work history, roles, and key accomplishments

Current

Senior Software Engineer

Current

Njuskalo Technology

Mar 2020 - Present (6 years 8 months)

Led development of Go and Python microservices for the Recommendation & Similarity platform, achieving high throughput and low latency. Built model-serving backends, ANN/HNSW retrieval services, and an LLM stack for the marketplace.

Go Python gRPC fastAPI Elasticsearch Kafka AWS Terraform Prometheus Grafana OpenTelemetry GitLab CI CD Kubernetes Clickhouse Airflow LangGraph NVIDIA Triton Inference Server

Software Engineer Student Intern

AKD

Mar 2019 - Mar 2020 (1 year)

Worked as a student intern developing applications using Node.js, gaining hands-on experience in backend development. Assisted in implementing new features and debugging code, contributing to improved application performance.

NodeJS Backend Development Debugging

Education

Degrees, certifications, and relevant coursework

Faculty of Science, Zagreb

Master's, Physics and Computer Science Education

2014 - 2021

Activities and societies: Noteworthy Courses: Linear Algebra 1 & 2, Mathematical Methods of Physics 1 & 2, Classical Electrodynamics, Data Structures and Algorithms

Master's in Physics and Computer Science Education, with a thesis on machine learning applications in materials science.