💼 We’re Hiring: Senior Backend Engineer (Java/Kotlin) – Remote | Payment Systems Integration Freelance
Are you a backend expert ready to take on a high-impact challenge? We're looking for a Senior Backend Engineer to help us integrate a new payment system into our platform—powering seamless, secure transactions for users around the globe.
🌍 About the Role
As part of our engineering team, you’ll lead the backend development efforts for integrating a modern payment solution. You’ll work in a fully remote, multicultural environment, collaborating with product, data, and DevOps teams to deliver a scalable and reliable system.
🔧 Your Skillset Includes:
* Strong proficiency in Java or Kotlin
* Deep experience with Spring Boot and the Spring ecosystem
* Solid understanding of MySQL or other relational databases
* Experience with AWS and cloud-native development
* Familiarity with Liquibase or similar schema management tools
* Hands-on with Git, Kafka, Firehose, and CI/CD tools like Jenkins or GitHub Actions
* Knowledge of APIs, microservices architecture, and server-side processes
* Experience with monitoring tools like Grafana or Datadog
* Excellent communication skills in English and a proactive, ownership-driven mindset
✨ Bonus Points For:
* Experience in advertising technology
* Familiarity with Airflow and DBT for data workflows
* Background in payment systems integration
* Experience working in fully remote and multicultural teams
🌟 Why Join Us?
* 100% Remote Work
* Inclusive, global team culture
* Opportunity to lead a critical payment integration project
* Regular team events and offsites
* A chance to shape the future of a fast-growing platform
If you're excited about building secure, scalable systems and want to make a real impact—we’d love to hear from you!
📩 Apply now