Senior Java/Kotlin Engineer (Finance Engineering)

<p><strong>Our Mission and Vision</strong></p><p dir="ltr">At Solidgate, our mission is clear: to empower outstanding entrepreneurs to build exceptional internet companies. We exist to fuel the builders — the ones shaping the digital economy — with the financial infrastructure they deserve. To achieve that, we’re on a bold path: to become the #1 payments orchestration platform in the world.<br/><br/><strong>About the Role</strong></p><p dir="ltr">We’re looking for a skilled Java/Kotlin Engineer to join our <strong>Finance Engineering</strong> Team — the technical foundation of Solidgate’s financial infrastructure.<br/>The mission of this role is to maintain and enhance existing components of our commission calculation and payout system — a business-critical part of the product responsible for fee calculation across acquiring, MoR, and gateway processing, as well as for payout automation and financial reporting.</p><p dir="ltr">You’ll be directly contributing to the reliability, scalability, and performance of the system that processes millions of transactions every month.<br/><br/>Our services are built with Kotlin and Go, with around 80% of business logic running on Kotlin. No worries if you haven’t worked with Kotlin before — you’ll get hands-on experience by contributing to real, production-level business tasks from day one.<br/><br/>Explore our technology stack ➡️ <a href="https://solidgate-tech.github.io/">here</a></p><p dir="ltr"><strong>What You’ll Drive</strong></p><p dir="ltr"> — Designing  and developing new features, as well as maintaining and improving existing ones<br/> — Horizontally scaling services and increasing system throughput<br/> — Participating  in the transition from batch processing to streaming architecture<br/> — Working in a fast-paced TBD-driven environment with high autonomy</p><p dir="ltr"><strong>Why This Role Is Exciting</strong></p><p dir="ltr"> — High-load &amp; high-availability product (150M+ monthly transactions)<br/> — Modern technologies: AWS, Kafka, Go, Terraform, Redshift<br/> — Freedom in technical decision-making (team-driven ownership)<br/> — Grow your impact — from hands-on engineering to leading teams as a Staff Engineer or Tech Lead.</p><p dir="ltr"><strong>You’re a Great Fit If You Have</strong></p><p dir="ltr">— 3+ years of experience with Java or Kotlin<br/> — Solid knowledge of Spring Framework<br/> — Experience with relational databases (PostgreSQL, MySQL, or similar)<br/> — Understanding of multithreading and microservices architecture<br/> — Strong ownership mindset, communication skills, and proactivity<br/><br/><strong>Nice to Have</strong></p><p dir="ltr"> — Experience with Kafka, Go, AWS, Terraform, or Redshift<br/> — Background in fintech or other financial systems<br/> — Interest in distributed systems and data streaming architectures</p><h3 dir="ltr"><strong>Why Join Solidgate?</strong></h3><p dir="ltr"><strong>High-impact role.</strong> You’re not inheriting a perfect system — you’re building one.<br/><strong>Great product.</strong> We’ve built a fintech powerhouse that scales fast. Solidgate isn’t just an orchestration player — it’s the financial infrastructure for modern Internet businesses. From subscriptions to chargeback management, fraud prevention, and indirect tax — we’ve got it covered.<br/><strong>Massive growth opportunity.</strong> Solidgate is scaling rapidly — this role will be a career-defining move.<br/><strong>Top-tier tech team.</strong> Work alongside our driving force — a proven, results-driven engineering team that delivers.<br/><strong>Modern engineering culture.</strong> TBDs, code reviews, solid testing practices, metrics, alerts, and fully automated CI/CD.</p><p dir="ltr">📩 Ready to become a part of the team? Then cast aside all doubts and click <strong>“apply”</strong>.<br/><br/><strong>➡️ We are always open to recommendations of talented individuals!</strong></p><p dir="ltr">If you want to recommend someone for one of our vacancies, you can do it <a href="https://form.jotform.com/243584392123356"><strong>here</strong></a>. In case of a successful hire, we’ll provide you with a bonus!<br/></p>