Senior Backend Engineer - Java/Kotlin

Emerge Soft — Poland · Posted ~4 hours ago

Senior Full-time

Skills

Java Kotlin Backend development Microservices architecture Scalable systems High-availability systems Full software lifecycle ownership Microservices

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Summary ✨ AI‑Generated

A senior backend engineering role focused on building the core services of a large-scale digital platform. You will design robust microservices, own solutions from architecture through deployment and monitoring, and develop sophisticated systems for real-time interactions, incentives, and personalized user experiences.

Highlights

Senior-level ownership of scalable, high-availability backend systems with substantial technical impact. The role offers end-to-end responsibility, architectural influence, an innovation-focused culture, and the opportunity to build sophisticated real-time and personalization capabilities.

Description

About the Project: For our Client, a global leader in the online entertainment industry (iGaming), we are seeking an experienced Engineer to join the team in building the heart of a platform that engages millions of users. This is not a typical "maintenance" project. You will join the User Experience & Loyalty Domain, where technology meets player psychology. You will be responsible for building advanced engines that drive user interactions – from real-time communication systems to complex bonus mechanisms and personalized loyalty programs. If you are looking for a flat structure, an innovation-driven culture, and real impact on how users experience the product, this is the place for you. Your Role: Architecture & Development: Designing and building scalable, robust solutions in a microservice architecture (High-load / High-availability).End-to-End Ownership: Responsibility for the full software lifecycle – from concept to coding, deployment, and monitoring.Technical Impact: Actively participating in architectural discussions, challenging the status quo, and proposing new technologies to optimize business solutions.Scalability: Ensuring the IT ecosystem is scalable and ready for growing traffic and future market expansions.Collaboration: Working closely with operational units and other technical domains to ensure a seamless "Player Journey".Requirements (Must Haves): Experience: Minimum 5+ years of commercial experience in backend development (Java and/or Kotlin).Microservices: Deep practical knowledge of microservice architecture.Messaging: Experience working with messaging systems (e.g., Kafka).Frameworks: Strong knowledge of the Spring ecosystem and JPA.Databases: Proficiency with relational databases (MySQL).Mindset: Proactive approach, focus on "Clean Code," and willingness to take ownership of your initiatives.Nice to haves: Experience with OpenAPI Experience with BigQuery Experience with Kubernetes We Offer: Work with state-of-the-art technology.Real impact on key features of a globally used product.