Backend Developer Java Kotlin

We provide complete software development teams, who will take complex care of your software. We are experienced in building teams uniquely suited to the specific needs of our clients. One team - a range of skills, diverse personalities, and various approaches.

• Minimum 3 years of backend programming experience.
• Very good knowledge of Java and Spring Boot; practical knowledge of Kotlin.
• Experience with microservice architecture and Google Cloud Platform.
• Familiarity with Docker, Kubernetes, Git, and CI/CD.
• Experience with REST API, Kafka, Google Cloud Pub/Sub, Cloud Run, GKE, Cloud Storage, BigQuery, relational and NoSQL databases.
• Willingness for occasional visits to Warsaw or Poznań (~once a month).

Nice to have:

• Experience with AI and Large Language Models (LLM).
• Knowledge of Vertex AI, OpenAI API, LangChain, or Spring AI.

• Develop scalable backend applications and cloud services for a large fintech, including deferred payment and new payment method systems.
• Collaborate remotely with teams including product, architecture, AI, QA, and IT, with occasional visits to Warsaw or Poznań.
• Develop backend applications in Java and Kotlin; create microservices and APIs.
• Design efficient and scalable solutions in Google Cloud Platform utilizing Cloud Run, GKE, Pub/Sub, Cloud Storage, and BigQuery.
• Use Generative AI in products, participate in architecture design, conduct code reviews, and optimize applications.