LG

Ljubomir Grubljesic

Available to hire

I’m a software engineer with over 11 years of experience delivering fintech and embedded systems solutions.

About

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.

  • 7 years' experience
  • Joined January 2026

Languages

  • SerbianFluent
  • EnglishFluent

Industry experience

  • Software & Internet
  • Financial Services
  • Media & Entertainment

More experts in Banja Luka, Bosnia and Herzegovina

Work experience

Senior Java Engineer · Knowledge Lab AGOct 2022 – Present · 4 yrs 2 mos

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.

Software Engineer · CrealogixNov 2018 – Sep 2022 · 3 yrs 11 mos

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.

Education

Bachelor's Degree in Electrical Engineering · University of Banja Luka2030 – 2026

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