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Senior Backend Engineer (Java)

Alfa AI

3.2
8 reviews
Alfa AI
Job Type   /   Job Level
Full-time   /   Senior Executive
Company Location
Poland

About the role

From the infrastructure behind our innovative app to the features used by millions of people around the world, they bring sharp thinking, speed, and a focus on meaningful impact to everything they do.

We’re looking for a Mid/Senior Backend Engineer to join a team that keeps frameworks lean and focuses on what matters: clean, maintainable code, shipped fast with TDD, DDD, and continuous integration and delivery.

Our stack includes Java 17/21, GCP, Kubernetes, Grafana, Prometheus, NewRelic, PostgreSQL, Redis, Spock, jOOQ, and Flyway.


What you’ll be doing

  • Building mobile APIs
  • Developing microservices to evolve our architecture
  • Perfecting systems that our business depends on, like risk management, fraud detection, and payment processing
  • Focusing on greenfield development and improvement of existing systems


What you'll need

  • Fluency with Java
  • 4+ years of experience in backend development
  • A bachelor's degree in computer science, maths, physics, or similar field
  • To be a quick learner with an ambitious attitude and results-driven personality
  • The ability to work well as part of a team in a fast-paced environment
  • Excellent communication and organisational skills
  • Fluency in English


Nice to have

  • Proficiency with Kotlin or Scala
  • A background in finance
  • Experience in a startup or scale-up
  • Experience in a product-focused environment

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