[Hiring] Software Engineer Java + Data (PySpark) @Careers at Lineate

Role Description

Design, develop, and maintain scalable backend services using Java and Python.

• Build and optimize data processing pipelines and APIs for high-performance applications.
• Collaborate with cross-functional teams to deliver reliable and efficient solutions.
• Improve system performance, scalability, and reliability.
• Work with large datasets to support search, recommendation, or ML-driven features.
• Contribute to architecture decisions and technical design.
• Write clean, maintainable, and well-documented code.

Qualifications

• 6+ years of commercial software development experience.
• Strong hands-on experience with both Java and Python (primarily PySpark code).
• Experience in designing, developing, and optimizing scalable data processing pipelines and backend APIs for high-performance applications.
• Solid understanding of backend development principles and system design.
• Experience working with APIs, microservices, and distributed systems.

Requirements

• Nice-to-have:
• Databricks OR AWS EMR OR Hadoop.
• Search technologies experience, such as:
• Lexical search (e.g., Solr, Elasticsearch).
• Semantic search, vector search, or RAG-based systems.
• Search relevance tuning and optimization.
• Machine Learning experience, especially in:
• Recommendation systems.
• User behavior prediction (e.g., click-through rate prediction, relevance estimation).
• Practical ML application in production systems.

Benefits

• B2B contract with our US office.
• NY working hours (at least 6 hours overlap).