I’m a software engineer with over 11 years of experience delivering fintech and embedded systems solutions. I enjoy learning new technologies, collaborating in cross-functional teams, and turning ideas into reliable, scalable software. I’m passionate about building digital banking features, APIs, and rich front-end experiences that improve end-user satisfaction and business outcomes. In my recent roles I’ve led and contributed to multi-platform projects, from Java back-ends to React-based front-ends, with a focus on performance, resilience, and automation. I thrive in Agile environments and value clear communication, ownership, and continuous improvement.

Ljubomir Grubljesic

I’m a software engineer with over 11 years of experience delivering fintech and embedded systems solutions. I enjoy learning new technologies, collaborating in cross-functional teams, and turning ideas into reliable, scalable software. I’m passionate about building digital banking features, APIs, and rich front-end experiences that improve end-user satisfaction and business outcomes. In my recent roles I’ve led and contributed to multi-platform projects, from Java back-ends to React-based front-ends, with a focus on performance, resilience, and automation. I thrive in Agile environments and value clear communication, ownership, and continuous improvement.

Available to hire

I’m a software engineer with over 11 years of experience delivering fintech and embedded systems solutions. I enjoy learning new technologies, collaborating in cross-functional teams, and turning ideas into reliable, scalable software. I’m passionate about building digital banking features, APIs, and rich front-end experiences that improve end-user satisfaction and business outcomes.

In my recent roles I’ve led and contributed to multi-platform projects, from Java back-ends to React-based front-ends, with a focus on performance, resilience, and automation. I thrive in Agile environments and value clear communication, ownership, and continuous improvement.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
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Language

Serbian
Fluent
English
Fluent

Work Experience

Software Engineer at Crealogix
November 1, 2018 - September 1, 2022
Contributed to the development of a comprehensive software solution for banks, supporting secure and scalable digital banking operations across multiple channels. Developed Eclipse RCP-based GUI framework and a runtime engine for Set-Top-Box devices, extended APIs for greater flexibility, and implemented Lua-based applications to enhance TV features and end-user experience. Worked within a self-organized Agile team to deliver features efficiently, including the ZENTERIO project.
Senior Java Engineer at Knowledge Lab AG
October 2, 2022 - Present
Implemented and maintained API-driven banking software, built React-based dashboards and reusable widgets for exposing banking data, and integrated with Avaloq Community APIs. Developed microservices to support multi-channel digital banking, enabled faster feature delivery, improved frontend-backend performance, and reduced time-to-market for client banking solutions. Led Grafana dashboards to monitor system performance and health; held technical ownership of QR payments scanner within Payments Scrum team.

Education

Bachelor's Degree in Electrical Engineering at University of Banja Luka
January 11, 2030 - January 30, 2026

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Financial Services, Media & Entertainment