Senior Backend Engineer (Java/Kotlin) on AWS — Remote

Royal Dirkzwager; Toruń; Hybrid; PLN 180,000 - 280,000; Full time

Benefits offered by this job

Remote-friendly setup

Direct impact on product

Senior engineering team

AI tooling in workflow

Job summary

Routescanner, the world’s leading container logistics intelligence platform, seeks an experienced backend engineer to own the design and delivery of JVM-based microservices on AWS. You’ll shape architecture, drive production readiness, and work across route optimization, data ingestion, geo-routing, and carrier data.

You will collaborate with a small, senior team, leveraging Kotlin/Java, OpenTelemetry, GitHub Actions, and AI-assisted tools to ship end-to-end services from design to production.

Qualifications

• 5+ years backend development in Java and/or Kotlin.
• Fluent in Polish and English.
• Strong understanding of distributed systems and microservices.

Responsibilities

• Design, build, and maintain JVM-based microservices on AWS (ECS, Lambda, S3).
• Work across route optimization, data ingestion, geo-routing, and carrier data.
• Collaborate on API design across REST and BFF patterns.
• Instrument services with OpenTelemetry, Prometheus, and Grafana.
• Ship via GitHub Actions CI/CD with Docker and ECR.
• Work with external integrations (Auth0, mapping/routing engines).
• Leverage AI-assisted development tools as part of daily workflow.
• Participate in architecture decisions and technical direction.

Skills

Java/Kotlin

Polish

English

Distributed systems

AWS

OpenTelemetry

CI/CD

Docker

Event-driven architecture

Tools

PostgreSQL

DynamoDB

OpenTelemetry

Redis

Job description

Routescanner, the world’s leading container logistics intelligence platform, seeks an experienced backend engineer to own the design and delivery of JVM-based microservices on AWS. You’ll shape architecture, drive production readiness, and work across route optimization, data ingestion, geo-routing, and carrier data.

You will collaborate with a small, senior team, leveraging Kotlin/Java, OpenTelemetry, GitHub Actions, and AI-assisted tools to ship end-to-end services from design to production.