Back End Developer
TEKsystems — Germany, DE
- Published on
About the Role
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. You’ll lead the backend development efforts for integrating a modern payment solution.
About the Candidate
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
Final Note
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!