Senior Full‑Stack Developer – iGaming (Sofia)

About the role

We are looking for an experienced Senior Full‑Stack Developer to join our fast‑growing iGaming team in Sofia. You will help design and deliver highly scalable online gaming platforms that serve millions of players worldwide. The role combines front‑end and back‑end development within a collaborative, agile environment.

Key responsibilities

• Design, develop, and maintain end‑to‑end web solutions for high‑volume online gaming platforms.
• Participate in architectural decisions and implement scalable micro‑services.
• Collaborate with Product Owners, UI/UX Designers, DevOps Engineers and fellow developers to deliver features from requirements to release.
• Write efficient, maintainable, well‑tested code using modern JavaScript frameworks (React, Angular) and backend technologies (Node.js.NET Core, Java).
• Champion best practices such as code reviews, unit testing, documentation, CI/CD and agile methodologies.
• Integrate third‑party APIs, payment gateways and real‑time data feeds.
• Contribute ideas to improve performance, player experience and the technical stack.
• Support troubleshooting, incident response and ongoing optimisation of production platforms.
• Keep up to date with industry trends and share knowledge across the tech team.

Required profile

• Minimum 5 years of full‑stack development experience, preferably in iGaming, FinTech or other high‑traffic digital products.
• Proven ability to work on complex, high‑scale systems and deliver reliable solutions.
• Fluent English (spoken and written) and eligible to work in Bulgaria.
• Willingness to work on‑site in Sofia as part of an international team.

Required skills

• JavaScript
• React.js, Angular, or Vue.js
• Node.js.NET Core, Java
• RESTful API design
• SQL and NoSQL databases
• AWS, Azure, or Google Cloud Platform
• Unit, integration and performance testing
• Micro‑services architecture
• Docker and Kubernetes
• CI/CD pipelines

What we offer

• Attractive, competitive salary with an annual performance bonus.
• Comprehensive relocation package covering visa, travel and accommodation assistance.
• Opportunity to work on cutting‑edge iGaming products with a fast‑growing digital entertainment company.