Supercharge

Senior Backend Engineer, Java/Kotlin

Supercharge

full-time

Posted on:

Location Type: Hybrid

Location: Budapest • Hungary

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Job Level

Senior

Tech Stack

AWSCloudGrafanaJavaKotlinKubernetesNoSQLPostgresRedisSpringSpring BootSpringBootSQLTerraform

About the role

  • Supporting the development of a stable and scalable Kotlin and Spring Boot back-end from the ground up
  • Collaborate closely with our Customer Support (L1) and Infrastructure Support (L2) teams to manage escalations
  • Participate in a rotating on-call schedule to ensure reliable 24/7 client support
  • Crafting code that adheres to the highest industry standards
  • Collaborating effectively within a dynamic team environment
  • Bringing an architectural perspective to the planning process
  • Guiding and mentoring junior developers

Requirements

  • 5+ years of experience in Java ecosystem, familiarity with Java 17, 21
  • Deep understanding of Spring Boot
  • Experience with an observability platform (Grafana / LGTM or ELK stack or NewRelic)
  • Proven ability to troubleshoot under pressure
  • Hands-on experience with SQL or NoSQL databases (Postgres, Redis)
  • Experience with Kubernetes
  • Familiarity with at least one public cloud provider (preferably AWS)
  • Familiarity with IaC, such as Terraform, Helm is a plus
  • A strong OOP mindset and a commitment to upholding SOLID principles
  • A genuine interest in staying up-to-date with the latest industry trends
  • Kotlin experience is a huge plus
  • At least an intermediate level of English language skills
Benefits
  • Health coverage with Medicare
  • Life1 gym access
  • Extra sick days
  • Fully paid month off after five years
  • Extra paternity leave
  • Employee Assistance Program
  • Exciting international projects
  • Access to inspiring conferences
  • In-house soft skill trainings
  • Online courses
  • Support for English classes
  • Yearly personal budget
  • Company library
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
KotlinSpring BootJava 17Java 21SQLNoSQLPostgresRedisKubernetesTerraform
Soft Skills
troubleshooting under pressurementoringcollaborationarchitectural perspectivedynamic team environment