Personal details

Željko H. - Remote full-stack developer

Željko H.

Based in: 🇭🇷 Croatia
Timezone: Zagreb (UTC+2)

About

Highly skilled Full-Stack Developer with expertise in .NET, Node.js, Kotlin, and JavaScript frameworks (React, React Native). Adept at delivering scalable, user-centric solutions that seamlessly integrate frontend and backend systems. Leverages modern architectural principles and design patterns to drive innovation and efficiency. Demonstrates strong collaboration, problem-solving, and adaptability in fast-paced, agile environments.

Work Experience

Full-Stack Developer
TheBase | May 2023 - Dec 2024
Stripe
React
ArangoDB
Kotlin
HubSpot
AWS

- Designed and implemented a complex housekeeping solution that optimized scheduling, task assignment, and progress tracking, increasing housekeeping efficiency by 40% and reducing errors by 25%.

- Developed a back-office Property Management System (PMS) that streamlined administrative tasks, improving staff productivity by 40% and reducing manual workload by 30%

Full-Stack Developer
Alpakas | Dec 2021 - May 2023
PostgreSQL
PayPal
Firebase
Stripe
React
Circleci
React Native
Sentry
Next.js
NestJS
AWS
Ga 4

- Architected and built the entire backend system ensuring scalability, reliability, and maintainability to support rapid growth and high user demand.

- Developed an intuitive admin dashboard, simplifying product and warehouse management, reducing administrative workload by 35%, and improving inventory accuracy by 20%.

- Contributed to the development of the mobile app and frontend web app, creating seamless, user-friendly interfaces and ensuring consistent functionality across platforms.

Projects

TheBase Co-Living
Stripe
React
ArangoDB
Kotlin
HubSpot
AWS
The Base develops and operates shared living spaces aimed at fostering social connections and addressing urban loneliness. - Served as a Full-Stack Developer, focusing primarily on backend development to build scalable, efficient, and robust systems. - Designed and implemented a complex housekeeping solution that optimized scheduling, task assignment, and progress tracking, increasing housekeeping efficiency by 40% and reducing errors by 25%. - Developed a back-office Property Management System (PMS) that streamlined administrative tasks, improving staff productivity by 40% and reducing manual workload by 30%.
Alpakas
2022
PostgreSQL
PayPal
Google Analytics
Firebase
Stripe
React
Circleci
React Native
Sentry
NestJS
AWS
Alpakas is an innovative online grocery platform committed to a zero-waste approach. It offers a curated selection of sustainably sourced products designed to minimize packaging waste and promote environmental responsibility. - Architected and built the entire backend system ensuring scalability, reliability, and maintainability to support rapid growth and high user demand. - Developed an intuitive admin dashboard, simplifying product and warehouse management, reducing administrative workload by 35%, and improving inventory accuracy by 20%. - Contributed to the development of the mobile app and frontend web app, creating seamless, user-friendly interfaces and ensuring consistent functionality across platforms. - Engineered a seamless e-commerce platform, integrating multiple payment gateways and order tracking, enhancing customer satisfaction while streamlining staff operations for efficient management.

Education

Sveučilište Josipa Jurja Strossmayera, Elektrotehnički fakultet Osijek
Master's degreeComputer Engineering - Process Computing
Sep 2008 - Jun 2014