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Isidor SusnjevicIS
Open to opportunities

Isidor Susnjevic

@isidorsusnjevic

Frontend-focused Software Engineer specializing in React, TypeScript, and scalable user-centric web applications.

Serbia
Message

What I'm looking for

I'm looking for a long-term opportunity where I can help build high-quality products, take ownership of features, and collaborate with talented teams. I enjoy contributing to technical decisions, and creating user-focused solutions using modern web technologies. I'm especially interested in product-driven environments that value continuous improvement, and professional growth.

I'm a Software Engineer with over 7 years of experience building web applications and digital products across a variety of industries, including healthcare, insurance, e-commerce, renewable energy, and marketplaces.

My primary expertise is in frontend development using React, TypeScript, Next.js, JavaScript, HTML, and CSS. Throughout my career, I've worked on everything from customer-facing platforms and internal business tools to complex interactive applications involving maps, visualizations, and real-time data. I enjoy turning complex requirements into intuitive user experiences while maintaining clean, scalable, and maintainable code.

Over the years, I've had the opportunity to contribute to projects from the early planning and architecture stages all the way through development, deployment, and ongoing improvements. I enjoy collaborating closely with designers, product managers, and backend engineers to deliver solutions that create real value for users and businesses.

Some of the projects I've worked on include insurance platforms, healthcare applications, vehicle marketplaces, renewable energy solutions, 3D product configurators, and business management systems. These experiences have helped me become adaptable, product-focused, and comfortable working in both startup and established team environments.

Outside of coding, I'm passionate about technology, problem-solving, continuous learning, and building products that have a meaningful impact on users. I'm always interested in opportunities where I can contribute to challenging projects, collaborate with talented teams, and continue growing as an engineer.

Experience

Work history, roles, and key accomplishments

MI
Current

Software Engineer

Marble IT

Jun 2019 - Present (7 years)

Built a full-stack solar energy assessment tool for Swiss homeowners, integrating Swiss Solar and OpenLayers APIs with real-time 2D roof-panel visualization and a cost-saving calculation engine. Owned solution architecture and delivered supporting Node.js mailing services and end-to-end AWS deployments, plus additional full-stack products across marketplaces, insurance apps, BLE beacon-based super

SO

Frontend Developer

Softstudio

Sep 2018 - May 2019 (8 months)

Developed and maintained modern web applications using React and TypeScript, focusing on scalable, reusable UI components and responsive user interfaces. Collaborated with designers and backend developers to deliver polished, production-ready features.

SE

Freelance Frontend Developer

Self-Employed

Feb 2018 - Sep 2018 (7 months)

Built responsive websites using HTML, CSS, and JavaScript, translating client needs into clean, functional, user-friendly interfaces. Supported early career development through self-directed learning and hands-on client delivery.

Education

Degrees, certifications, and relevant coursework

University of Novi Sad logoUS

University of Novi Sad

Medical Faculty

2014 - 2018

Studied at the Medical Faculty, University of Novi Sad, from 2014 to 2018.

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