Senior Backend Engineer (Java)

TL;DR

Senior Backend Engineer (Java): Building and evolving hirify.global’s core billing and usage platform with an accent on improving accuracy and reliability, reducing latency, and increasing transparency of billing processes. Focus on designing and implementing scalable data pipelines and services using modern data technologies like Flink, Kafka, and ClickHouse for financial reporting and product metrics.

Location: Remote, must be based in Germany

Company

hirify.global is a leader in enterprise orchestration, providing an AI-powered platform to streamline operations by connecting data, processes, applications, and experiences for businesses globally.

What you will do

• Design, implement, and maintain data pipelines and streaming jobs for billing and usage processing using Flink and Java.
• Develop aggregation and reconciliation logic in ClickHouse, ensuring accuracy and consistency across billions of records.
• Build high-performance APIs and services for internal teams.
• Ensure data quality, integrity, and compliance with SLAs and financial reporting standards.
• Collaborate with cross-functional stakeholders to define, evolve, and document billing data models and processing logic.

Requirements

• 5+ years of experience in development of data-intensive backend systems.
• Strong proficiency in Java (core language for streaming and backend processing).
• Solid experience with ClickHouse (data modeling, query optimization, performance tuning).
• Experience with Apache Kafka and streaming frameworks like Apache Flink.
• Strong SQL skills applied to OLAP use cases including building complex aggregations.
• Advanced English level and experience collaborating in distributed international teams.

Nice to have

• Experience designing Usage/Billing systems.
• Experience with data quality frameworks.
• Experience with managing data intensive infrastructure.

Culture & Benefits

• Flexible, trust-oriented culture empowering ownership.
• Focus on innovation and team collaboration.
• Emphasis on balancing productivity with self-care.
• Vibrant and dynamic work environment.
• Ranked #1 best company for remote workers by Quartz.