Front-End Developer (Slot Developer)

Company: Stakelogic (part of the Sega-Sammy Group)

Location: Serbia | Full-time | Mid-Level (3+ years experience)

At Stakelogic, we don’t just create online games — we redefine them. As a leading innovator in the iGaming industry, we develop state-of-the-art casino games with cutting-edge technology, vibrant visuals, creative themes, and immersive features that set new standards for entertainment.

We are seeking a Medior Front-End Developer (Slot Developer) to join our team in Serbia. In this role, you will design, build, and optimize high-load, event-driven components for our online slot games. Success will be measured by your ability to deliver high-quality, scalable applications that meet both business and user requirements.

Responsibilities

• Design, develop, and maintain online casino slot games.
• Implement high-performance real-time components using JavaScript/TypeScript and related technologies.
• Collaborate closely with developers, artists, animators, sound designers, and QA to create outstanding gameplay experiences.
• Apply engineering best practices, including code reviews, unit testing, and clean coding standards.
• Analyse requirements and provide accurate effort estimations for new features.
• Ensure that all games meet the company’s high standards of quality.

Requirements

• Minimum 3+ years of experience with JavaScript and TypeScript.
• Hands-on experience with PixiJS.
• Strong debugging and problem-solving skills.
• Experience with GSAP for animations.
• Proficiency with version control systems (Git).
• Strong knowledge of HTML5 and CSS3.
• Solid understanding of OOP principles, algorithms, and design patterns.
• Intermediate to Upper-Intermediate English proficiency (both written and spoken).

Nice to Have

• Previous experience in the iGaming industry.
• Background in game development or graphics programming.
• Understanding of slot mechanics.
• Experience with Spine 2D and game animation workflows.

What We Offer

• 21 paid vacation days per year.
• Private medical insurance.
• Fit pass
• Annual salary review.
• The opportunity to work on creative, challenging, and fast-growing iGaming products within a dynamic international team.