Senior Java/Kotlin Engineer (Solidgate — Fintech)

Our Mission and Vision

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.

About the Role

We’re on the lookout for a motivated and decisive Java/Kotlin Engineer to join the Core Team. You’ll have a unique opportunity to enhance our team both in terms of capacity and quality, and make a meaningful impact on a product currently in active development.

Explore our technology stack ➡️ here

Your Responsibilities:

— Develop key features like payment routing between providers, 3DS payment processing, payment synchronization solutions, BIN services, and asynchronous financial reporting
— Participate in designing a new payment architecture
— Find robust architectural solutions for processing financial transactions within our product ecosystem
— Work on the reliability of the entire payment system
— Take ownership of critical services
— Write unit and functional tests to ensure top-notch quality

You’re a great fit if you have:

— 5+ years of experience with Kotlin (K/JVM) or Java
— Knowledge of PostgreSQL or MySQL
— Experience with Spring Boot and Spring Framework
— Background in working with large systems and complex databases
— Experience with microservices architecture
— Proactive attitude and results-oriented approach
— Understanding of business processes

Nice to Have:

— Experience with RabbitMQ
— Knowledge of Apache Kafka
— Familiarity with GRPC
— Experience with Golang
— Background in fintech or financial sectors

At Solidgate, you’ll work on an intriguing and challenging product, contribute to building its architecture, and have a real impact on our company’s future! Join us and make a difference!

Why Join Solidgate?

High-impact role. You’re not inheriting a perfect system — you’re building one.
Great product. 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.
Massive growth opportunity. Solidgate is scaling rapidly — this role will be a career-defining move.
Top-tier tech team. Work alongside our driving force — a proven, results-driven engineering team that delivers.
Modern engineering culture. TBDs, code reviews, solid testing practices, metrics, alerts, and fully automated CI/CD.

📩 Ready to become a part of the team? Then cast aside all doubts and click “apply”.

➡️ We are always open to recommendations of talented individuals!

If you want to recommend someone for one of our vacancies, you can do it here. In case of a successful hire, we’ll provide you with a bonus!