Senior Java Backend Engineer - Cloud & Data Pipelines

Intellias; Poland; On-site; PLN 240,000 - 360,000; Full time

Job summary

Intellias is partnering with a Fortune 100 Midwest-based industrial manufacturer to modernize cloud services and data products powering a global network of dealers, enterprise customers, and internal business units.

You will design, develop, and maintain scalable Java 21, Spring Boot 3.x microservices, and build event-driven data pipelines on AWS, Snowflake, and PostgreSQL. Join a distributed team and own features end-to-end, with testing and CI/CD practices enhancing reliability.

Qualifications

• 5+ years of experience designing, developing, deploying, and maintaining backend services in production using Java 21 and Spring Boot 3.x
• 2+ years of hands-on experience with AWS core services and cloud-native development
• Strong experience with event-driven distributed systems using Kafka, AWS Kinesis, or equivalent
• Strong experience with microservices, MVC, and event-driven architectures
• Strong experience with JPA / Hibernate and database design (PostgreSQL, DynamoDB)
• Solid test automation experience using JUnit and Cucumber
• Hands-on experience with GitHub Actions and CI/CD
• Excellent English communication and ability to work in a distributed team

Responsibilities

• Design, develop, and maintain scalable Spring Boot-based microservices in a distributed architecture
• Build and operate event-driven data processing pipelines for ingestion, transformation, and enrichment of streaming data
• Develop and maintain advanced SQL queries and data workflows to support business requirements
• Collaborate with data engineering, analytics, and stakeholders to solve data challenges
• Contribute to data warehousing and analytics initiatives, including Snowflake-based solutions
• Develop and maintain robust APIs for internal and external consumers
• Work with AWS cloud services to design reliable, scalable backend systems
• Design and optimize PostgreSQL and DynamoDB schemas for performance
• Implement and maintain automated testing strategies (unit and integration)
• Contribute to and maintain GitHub Actions pipelines
• Ensure observability through monitoring and logging
• Take ownership of features end-to-end from design to production support

Skills

Java

Spring Boot

Microservices

Event-driven

SQL

English

Agile

Tools

Docker

AWS

Kafka

JPA/Hibernate

PostgreSQL

DynamoDB

GitHub Actions

JUnit

Cucumber

Job description

Intellias is partnering with a Fortune 100 Midwest-based industrial manufacturer to modernize cloud services and data products powering a global network of dealers, enterprise customers, and internal business units.

You will design, develop, and maintain scalable Java 21, Spring Boot 3.x microservices, and build event-driven data pipelines on AWS, Snowflake, and PostgreSQL. Join a distributed team and own features end-to-end, with testing and CI/CD practices enhancing reliability.