Senior Data Engineer - Remote, Scalable Pipelines

Adaptiq Ltd.; Warszawa; Hybrid; PLN 210,000 - 270,000; Full time

Benefits offered by this job

20 vacation days

Accounting support

Job summary

Adaptiq Ltd. in Warsaw is seeking a Senior Data Engineer to design, build, and optimize distributed data-processing components and backend services.

You will work primarily with Java and modern data technologies to support data ingestion, transformation, validation, and storage across interconnected systems. The role emphasizes end-to-end ownership, performance tuning, scalability, and reliability, with collaboration across architecture, product, and DevOps teams.

Qualifications

• Extensive hands-on software engineering experience with distributed, data-intensive systems.
• Strong Java experience, including concurrency and JVM performance optimization.
• Experience with distributed messaging and data-processing technologies (e.g., Kafka, Spark).
• Proven ability to design, develop, and scale data pipelines and backend services.
• Experience with data modeling and database design for large datasets.
• Familiarity with AI-assisted coding tools and evaluating generated code.

Responsibilities

• Design, develop, and maintain production-grade Java services and data-processing components.
• Build and optimize distributed data pipelines for complex processing requirements.
• Develop end-to-end data workflows: ingestion, transformation, validation, aggregation, storage.
• Design scalable data models and backend components for complex data relations.
• Develop interfaces and integration mechanisms between distributed services.
• Improve storage, queries, indexing, and processing for large datasets.
• Troubleshoot and resolve bottlenecks in distributed applications and data systems.
• Continuously improve performance, reliability, and resource utilization.

Skills

Java

Distributed systems

Data pipelines

Performance optimization

JVM tuning

Data modeling

AI-assisted coding tools

Tools

Kafka

Spark

Docker

Kubernetes

PostgreSQL

Job description

Adaptiq Ltd. in Warsaw is seeking a Senior Data Engineer to design, build, and optimize distributed data-processing components and backend services.

You will work primarily with Java and modern data technologies to support data ingestion, transformation, validation, and storage across interconnected systems. The role emphasizes end-to-end ownership, performance tuning, scalability, and reliability, with collaboration across architecture, product, and DevOps teams.