Senior Backend Engineer - Metadata Platform Lead (AI-First)

Box, Inc.; Warszawa; On-site; PLN 180,000 - 320,000; Full time

Job summary

Box, Inc. in Warsaw is hiring a Senior Software Engineer to design and implement scalable microservices for our metadata platform.

You’ll collaborate with cross‑functional teams to improve reliability, observability, and performance in a cloud environment using Kubernetes, Docker, and modern data stores. Required: 5+ years in software development, strong Java, MongoDB, Kafka/PubSub, and cloud experience; mentoring teammates and strong communication skills in English.

Qualifications

• 5+ years of professional software development experience.
• Extensive experience deploying and operating microservices in a cloud environment.
• Proficient with Java and APIs; familiarity with Python/Scala/PHP is a plus.
• Experience with NoSQL databases (MongoDB) and messaging systems (Kafka/PubSub).
• Knowledge of Kubernetes, Docker, and observability practices.

Responsibilities

• Lead design and implementation of new platform components.
• Design scalable services with focus on reliability and observability.
• Collaborate with partner teams on system design and integration.
• Mentor engineers and contribute to team growth.
• Drive platform vision and feature roadmaps.

Skills

5+ years exp

Microservices

API design

MongoDB

Kafka/PubSub

Kubernetes

Docker

BigTable

Java

Python

Scala

PHP

English

Tools

GitHub Enterprise

Confluence

Jira

GIT

Kubernetes

Job description

Box, Inc. in Warsaw is hiring a Senior Software Engineer to design and implement scalable microservices for our metadata platform.

You’ll collaborate with cross‑functional teams to improve reliability, observability, and performance in a cloud environment using Kubernetes, Docker, and modern data stores. Required: 5+ years in software development, strong Java, MongoDB, Kafka/PubSub, and cloud experience; mentoring teammates and strong communication skills in English.