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Java Data Engineer Jobs in California (NOW HIRING)

Backend Java Engineer

Sunnyvale, CA · On-site

$60 - $78/hr

Role: - Backend Java Developer Location: Sunnyvale CA (2 days WFO) Type: - 12 months Contract with ... Good data structures and algorithm skills General high-level requirements: * Java * Data structures ...

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. Responsibilities: Brokerage platform development -- front and/or back-end, ...

Data Engineer

Carlsbad, CA · On-site

$118K - $142K/yr

Data Engineer LOCATION:Carlsbad, CA Duration: 6 to 12+ months Rate: DOE Required: 1. Proficient ... Good in python, scala and java Designs, develops, and implements Hadoop eco-system based ...

Java Big Data Engineer

Cupertino, CA

$68.75 - $91/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. Proficiency with Big Data processing technologies (Hadoop, Hive, Spark ...

Java Big Data Engineer

Cupertino, CA

$68.75 - $91/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. Proficiency with Big Data processing technologies (Hadoop, Hive, Spark ...

Data Engineer

Tracy, CA · On-site

$123K - $148K/yr

Data Engineer Duties: Apply proven expertise and build high-performance, scalable data warehouse ... Java, PHP, SQL, CLI Keywords: Education: BS/MS in Computer Science or a related technical field ...

Data Engineer

San Bruno, CA · On-site

$136K - $164K/yr

Data Engineer LOCATION:San Bruno, CA Duration: 6 to 12+ Months Rate: DOE Note: Looking for a Data ... solid Java and 2+ years experience in design, implementation, and support of solutions big data ...

Data Engineer

Tracy, CA · On-site

$123K - $148K/yr

Data Engineer Duties: Apply proven expertise and build high-performance, scalable data warehouse ... Java, PHP, SQL, CLI Keywords: Education: BS/MS in Computer Science or a related technical field ...

Data Engineer

Sunnyvale, CA · On-site

$134K - $161K/yr

Data Engineer LOCATION: Sunnyvale, CA Duration: 6 to 12+ Months Rate: DOE Description: Designs ... solid Java and 2+ years experience in design, implementation, and support of solutions big data ...

Data Engineer

Sunnyvale, CA · On-site

$134K - $161K/yr

Data Engineer LOCATION: Sunnyvale CA Duration: 6 to 12+ Months Rate: DOE Description: Job Duties ... solid Java and 2+ years experience in design, implementation, and support of solutions big data ...

Data Engineer

San Francisco, CA · On-site

$134K - $162K/yr

Strong proficiency in programming languages such as Python, Scala, Java, or SQL. * Experience with big data technologies and frameworks such as Hadoop, Spark, Kafka, etc. * Solid understanding of ...

Data Engineer

Mountain View, CA · On-site

$135K - $162K/yr

Strong proficiency in programming languages such as Python, Java, or Scala, and experience with SQL. * Demonstrated experience with big data tools and frameworks such as Apache Spark, Hadoop or ...

Data Engineer

San Jose, CA · On-site

$134K - $161K/yr

Required : • 6+ years of experience in data engineering for analytics or ML systems. • Strong SQL proficiency. • Experience in Python, Scala, or Java. • Hands-on experience with Spark, Kafka ...

Data Engineer

Cupertino, CA · On-site

$141K - $169K/yr

The Data Engineering team within the MGC organization plays a critical role in supporting data ... systems in Java/Python or similar languages Proficient in SQL Experience with data warehouse ...

Data Engineer

Carlsbad, CA · On-site +1

$174K - $261K/yr

Our mission is to enable our community of data scientists, analysts, and developers to derive ... Java, Scala, Python, C or C++. * Familiarity with RDBMS technologies (PostgreSQL, MySQL, Oracle ...

Big Data Engineer

Costa Mesa, CA · On-site

$59.75 - $79/hr

Big Data Engineer Costa Mesa , CA or PHX or Bay Area Contract Job Responsibilities 10+ years of ... java/scala/kotlin, Cassandra, , Python, Hadoop, HDFS, Spark, MapReduce framework Good Scala ...

Data Engineer

Carlsbad, CA · On-site

$174K - $261K/yr

Our mission is to enable our community of data scientists, analysts, and developers to derive ... Java, Scala, Python, C or C++. * Familiarity with RDBMS technologies (PostgreSQL, MySQL, Oracle ...

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Java Data Engineer information

What is a Java Data Engineer?

A Java Data Engineer is a technology professional who designs, develops, and maintains data processing systems using Java programming language. They work with large datasets, build data pipelines, and ensure the efficient movement, transformation, and storage of data. Java Data Engineers often collaborate with data scientists, analysts, and other engineers to support data-driven decision-making in organizations. Their expertise typically includes Java, SQL, big data technologies like Hadoop or Spark, and cloud platforms. They play a crucial role in enabling reliable and scalable data infrastructure for businesses.

What is the difference between Java Data Engineer vs Python Data Engineer?

AspectJava Data EngineerPython Data Engineer
Required CredentialsBachelor's in Computer Science, Java certificationsBachelor's in Computer Science, Python certifications
Work EnvironmentBig data platforms, Java-based toolsData analysis, scripting, Python-based tools
Employer & Industry UsageFinancial services, enterprise systemsTech startups, data science projects
Common Search & ComparisonYesYes

Java Data Engineers and Python Data Engineers often share similar roles in data processing and engineering. The main difference lies in the programming languages used: Java is common in large-scale enterprise environments, while Python is favored for data analysis and scripting. Both roles require strong programming skills, but their toolsets and typical applications differ based on industry needs.

What are the most common challenges faced by Java Data Engineers when working with large-scale data pipelines?

Java Data Engineers often encounter challenges with optimizing the performance and scalability of data pipelines, especially as data volumes grow. They must ensure data integrity and consistency while managing distributed systems and integrating with various data sources. Debugging issues in real-time data processing and maintaining efficient, fault-tolerant code are also key hurdles. Collaborating closely with data scientists, database administrators, and DevOps teams is essential to overcome these challenges and deliver reliable data solutions.

What are the key skills and qualifications needed to thrive as a Java Data Engineer, and why are they important?

To thrive as a Java Data Engineer, you need strong programming skills in Java, a solid understanding of data structures, SQL, and experience with big data frameworks, often supported by a degree in computer science or a related field. Familiarity with data processing tools like Apache Spark, Hadoop, Kafka, and experience with cloud data platforms (e.g., AWS, GCP) or relevant certifications are typically required. Analytical thinking, problem-solving ability, and effective communication are crucial soft skills for collaborating with teams and interpreting data requirements. These capabilities are essential for building reliable, scalable data solutions that support business intelligence and analytics needs.
What job categories do people searching Java Data Engineer jobs in California look for? The top searched job categories for Java Data Engineer jobs in California are:
What cities in California are hiring for Java Data Engineer jobs? Cities in California with the most Java Data Engineer job openings:
Infographic showing various Java Data Engineer job openings in California as of June 2026, with employment types broken down into 76% Full Time, and 24% Contract. Highlights an 84% In-person, and 16% Remote job distribution.
Backend Java Engineer

Backend Java Engineer

Amiseq Inc.

Sunnyvale, CA • On-site

$60 - $78/hr

Other

Posted 18 days ago


Job description

Role: - Backend Java Developer

Location: Sunnyvale CA (2 days WFO)

Type: - 12 months Contract with possible extension AND/OR conversion

 

  • Expertise in Backend Development: Strong experience with Java, Spring Boot, and building scalable microservices, particularly in systems that run at scale and distributed systems
  • Experience with Java, Spring Boot and microservices
  • Experience with any SQL and NoSQL databases ( e.g. Azure Cosmos, MySQL, Oracle, Cassandra, etc. )
  • Azure cloud is good to have but not mandatory
  • Good data structures and algorithm skills 

General high-level requirements:

* Java

  * Data structures, algorithms, design patterns

  * Java multi-threading and synchronization

  * Memory management in Java, GC

  * Experience with heap, thread dumps

Spring boot/MicroServices