Back End Developer

Company: We Love Alfa
Apply for the Back End Developer
Location: London
Job Description:

Salary: £49,000 – 89,000 per year

Requirements

  • We require fluency with Java.
  • We require 4+ years of experience in backend development.
  • We require a bachelors degree in computer science, maths, physics, or a similar field.
  • We need someone who is a quick learner with an ambitious, results-driven attitude.
  • We need strong teamwork skills and the ability to work well in a fast-paced environment.
  • We require excellent communication and organisational skills.
  • We require fluency in English.
  • Nice to have: proficiency with Kotlin or Scala.
  • Nice to have: a background in finance.
  • Nice to have: experience in a startup or scale-up environment.
  • Nice to have: experience in a product-focused environment.

Responsibilities

  • We build mobile APIs.
  • We develop microservices to evolve our architecture.
  • We improve systems our business depends on, including risk management, fraud detection, and payment processing.
  • We focus on greenfield development and improving existing systems.

Technologies

  • Backend
  • Flyway
  • GCP
  • Grafana
  • Java
  • Kotlin
  • Kubernetes
  • Mobile
  • PostgreSQL
  • Prometheus
  • Redis
  • Scala
  • microservices
  • Cloud
  • DDD
  • TDD

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Posted: June 21st, 2026