We’re looking for a Java Developer who thrives on autonomy and enjoys solving complex data challenges. This role is ideal for someone who combines strong software engineering fundamentals with a passion for real-time data processing.
You’ll be part of a 9-person product team (developers, QA, DevOps, PM), working closely with fellow Java engineers — not a separate data team. We build streaming-first systems using Apache Flink (DataStream API) integrated with Confluent Kafka, backed by Snowflake and MongoDB. You'll design and implement production-grade pipelines, propose data schemas, and work with stakeholders through practices like interface reviews.We don’t expect you to know everything upfront — but we do expect curiosity, initiative, and the ability to deliver working systems with the bigger picture in mind.What You’ll Do
- Design and implement Java applications with a strong focus on real-time data processing
- Build and maintain streaming data pipelines using Apache Flink (DataStream API) and Confluent Kafka
- Propose data models and collaborate with our internal Snowflake experts to optimize pipeline efficiency
- Work with MongoDB and Snowflake for storage and querying
- Write and tune SQL for data transformation and validation
- Contribute to code reviews, CI/CD pipelines, and testing strategies
- Participate in daily standups and planning meetings (remote-friendly)
- Strong hands-on experience with Java
- Experience with Apache Flink and Kafka (preferably Confluent platform)
- Comfortable with MongoDB and/or Snowflake in production environments
- Confident writing SQL and working with large-scale data
- Understanding of modern data engineering principles
- Proactive, communicative, and comfortable proposing technical solutions
Nice to Have
- Experience with or interest in dbt (data build tool)
- Understanding of distributed systems and streaming architectures
- Familiarity with AWS
Working Style
- Hybrid or remote, office available in Gdańsk, but not required
- English fluency required (company is USA-based)
Top Skills
What We Do
Acoustic is a global marketing and customer engagement provider delivering solutions that give brands a deeper understanding of their customers and the ability to act in the moments that matter. Our mission is to help brands build closer customer connections through data-driven visibility and personalized engagement. We know that marketers need powerful solutions that enable them to transform how their brand connects with customers — not tools that limit their potential and complicate their day-to-day. Our solutions are purpose-built to enable marketers to build, scale, and optimize customer experiences throughout the customer lifecycle.
We have approximately 650 employees around the globe, allowing us to maintain a local presence with a global footprint. With 25+ years of MarTech experience, our team of trusted experts is focused on helping brands across industries exceed expectations and build meaningful, lasting customer relationships.
Why Work With Us
We’re not only building our company’s future but the future of an industry. That’s why our values — team and passion, trust and security, rapid innovation, customer delight, and respect for all people — guide everything we do. Join our collaborative, global team that’s dedicated to helping brands deliver exceptional customer experiences.
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