Senior Java Backend Engineer - Cloud Microservices

Intellias; Poland; On-site; PLN 260,000 - 360,000; Full time

Job summary

Intellias is partnering with a Fortune 100 Midwest-based industrial manufacturer to modernize a suite of cloud-based services and data products that power global dealers and enterprise customers. You will design, develop, and maintain scalable Spring Boot microservices in a distributed architecture, while building event-driven pipelines and working with large-scale datasets.

Responsibilities span from API development to data warehousing collaborations and AWS cloud deployments, with a focus on

Qualifications

• 6+ years designing and maintaining backend services in production (Java 21, Spring Boot 3.x, Docker).
• 3+ years AWS core services and cloud-native development.
• Experience with event-driven distributed systems (Kafka or AWS Kinesis).
• Strong microservices, MVC, and event-driven architectures knowledge.
• Experience with JPA / Hibernate and relational databases (PostgreSQL).
• Solid test automation with JUnit and Cucumber; CI/CD with GitHub Actions.

Responsibilities

• Design, develop, and maintain scalable Spring Boot-based microservices in a distributed architecture.
• Build and operate event-driven data processing pipelines, including ingestion, transformation, and enrichment of streaming data.
• Work extensively with complex datasets, focusing on data analysis, transformation, validation, and optimization.
• Develop and maintain advanced SQL queries and data workflows to support business and platform requirements.
• Collaborate closely with data engineering, analytics, and business stakeholders to understand and solve complex data challenges.
• Contribute to data warehousing and analytics initiatives, including Snowflake-based solutions where applicable.

Skills

Backend ownership

English communication

Agile environment

Tools

Java 21

Spring Boot 3.x

Docker

Kafka

AWS Kinesis

GitHub Actions

CI/CD

PostgreSQL

DynamoDB

JPA / Hibernate

Job description

Intellias is partnering with a Fortune 100 Midwest-based industrial manufacturer to modernize a suite of cloud-based services and data products that power global dealers and enterprise customers. You will design, develop, and maintain scalable Spring Boot microservices in a distributed architecture, while building event-driven pipelines and working with large-scale datasets.

Responsibilities span from API development to data warehousing collaborations and AWS cloud deployments, with a focus on