Senior Java Developer

We are seeking a highly experienced Senior Java Developer to join our client s engineering team. This role requires deep expertise in Core Java, strong problem-solving skills, and the ability to design solutions that handle big data workloads. The position is onsite in Fremont, CA three days a week (Mon Wed).

Key Responsibilities

• Develop high-quality, scalable, and reusable Java code with a strong focus on Core Java fundamentals, multi-threading, and performance tuning.
• Build solutions that process large data sets and work with big data technologies including HDFS and Spark.
• Design and enhance APIs using REST, JSON, XML, message queues, and integration frameworks.
• Work within an Agile/Scrum environment and collaborate with cross-functional global teams.
• Deliver clean, testable code using engineering best practices and automated testing.
• Handle multiple concurrent projects with strong attention to detail and deadlines.

Required Qualifications

• 10 years of Java development experience (8 years minimum considered based on HM notes).
• Advanced skills in Core Java, multi-threading, performance tuning, and solving large-scale data problems.
• Experience with PostgreSQL and other RDBMS systems.
• Hands-on experience with Spring Boot, Spring Batch, and API development.
• Experience with Kafka and/or MQTT message brokers.
• Strong analytical, organizational, and communication skills.

Nice to Have

• Experience with ETL/data processing, Solr, Machine Learning libraries, or Data Mining.
• Experience with Docker/Kubernetes, monitoring tools like Prometheus.
• Experience with Hortonworks (HDP) or Cloudera (CDP) platforms.

Additional Details

• Onsite interview (approx. 2 hours).