Sr Java and Hadoop Developer

⭐ - Featured Role | Apply direct with Data Freelance Hub
This role is for a Sr Java and Hadoop Developer in Jacksonville, FL, offering $62.14/hr on a W2 contract. Requires 5+ years in Java and Hadoop, expertise in Spark, and experience in healthcare. Hybrid work environment.
🌎 - Country
United States
πŸ’± - Currency
$ USD
-
πŸ’° - Day rate
496
-
πŸ—“οΈ - Date discovered
August 16, 2025
πŸ•’ - Project duration
Unknown
-
🏝️ - Location type
Hybrid
-
πŸ“„ - Contract type
W2 Contractor
-
πŸ”’ - Security clearance
Unknown
-
πŸ“ - Location detailed
Metro Jacksonville
-
🧠 - Skills detailed
#Unit Testing #MySQL #Data Storage #GIT #Hibernate #Documentation #Kubernetes #Data Modeling #Agile #JavaScript #JSON (JavaScript Object Notation) #PostgreSQL #Databases #PHP #Batch #Informatica #Microservices #Load Balancing #MongoDB #Data Access #Java #REST (Representational State Transfer) #Big Data #Scala #Spark (Apache Spark) #Python #Data Processing #HBase #Data Quality #HTML (Hypertext Markup Language) #Talend #C++ #React #Hadoop #"ETL (Extract #Transform #Load)" #Storage #Data Ingestion #C# #Schema Design #Docker #Kafka (Apache Kafka) #Oracle #HDFS (Hadoop Distributed File System) #Programming #SQL (Structured Query Language) #NoSQL #Data Integration #XML (eXtensible Markup Language)
Role description
Title: Sr Java and Hadoop Developer Location: Jacksonville, FL - Hybrid Rate: $62.14/Hr Note: This position is a contract on W2, and is NOT open to C2C. PROJECT: Ingestion Modernization Framework project (Moving from old ingestion framework (Perrato) to Iceberg Apache) Job Summary: We are seeking an experienced Sr Java and Hadoop Developer to join our team. The ideal candidate will have a strong background in Java and Hadoop ecosystem, with expertise in designing and developing scalable, efficient, and reliable big data solutions. The candidate will be responsible for leading the development of our data processing and analytics platform, working closely with cross-functional teams to ensure seamless integration and delivery of high-quality solutions. Sr. JAVA/Hadoop Developers are responsible for the development, programming, and coding of Information Technology solutions. Senior IT Developers are responsible for documenting detailed system specifications, participation in unit testing and maintenance of planned and unplanned internally developed applications, evaluation and performance testing of purchased products. Senior IT Developers are responsible for including IT Controls to protect the confidentiality, integrity, as well as availability of the application and data processed or output by the application. Senior IT Developers lead efforts, oversee work results, provide training and serve as a technical resource for other Developers. Key Responsibilities: β€’ Real-Time Data Processing: Develop and maintain real-time data processing systems, ensuring low-latency and high-throughput. β€’ Batch Processing: Design and develop batch processing systems, ensuring efficient and reliable data processing. β€’ Data Ingestion and Integration: Develop and maintain data ingestion and integration pipelines, ensuring data quality and integrity. β€’ Data Storage and Retrieval: Design and develop data storage and retrieval systems, ensuring efficient and reliable data access. Requirements: β€’ 5+ years of experience in Java and Hadoop ecosystem (HDFS, Spark, Hive, etc.) β€’ Strong expertise in Java and Hadoop development, including data processing, data integration, and data analytics β€’ Experience with Spark (Scala/Java) and experience with Spark-based data processing frameworks β€’ Proficiency in Java programming language and experience with Java-based frameworks (e.g., Spring, Hibernate) β€’ Experience with Hadoop-based data storage solutions (e.g., HDFS, HBase) β€’ Familiarity with data warehousing concepts and ETL tools (e.g., Informatica, Talend) β€’ Proven experience in designing and developing big data solutions, preferably with Hadoop and Spark. β€’ Experience with data processing, integration, and reconciliation, including data quality and validation. β€’ Excellent collaboration and communication skills, with the ability to work with cross-functional teams and stakeholders. β€’ Strong problem-solving and troubleshooting skills, with the ability to analyze complex issues and develop effective solutions. β€’ Experience with unit testing, release procedures, coding design and documentation protocol as well as change management procedures β€’ Proficiency using versioning tools: GIT. β€’ Demonstrated organizational, analytical and interpersonal skills β€’ In-depth understanding of the systems development life cycle β€’ Proficiency programming in more than one object-oriented programming language; JAVA, JavaScript, Python, C#, C++, and PHP β€’ Experience with HTML and Frameworks such as; React.Js, Node.JS, and EXPRESS β€’ Experience with SOAP, REST web service development β€’ May include learning languages such as; Hadoop, Storm, Spark, Kafka, Hive, NFI, Scoop, etc β€’ May include database knowledge in; SQL, MySQL, Oracle DB, PostgreSQL, Cassandra, MongoDB, etc β€’ Proficiency using standard desktop applications such as MS Suite and flowcharting tools such as Visio β€’ Manipulate data from various sources / formats such as: flat files, relational databases, non-relational databases, XML, JSON, etc. β€’ Experience with NoSQL databases (e.g., Mongo, Cassandra) β€’ Experience with relational databases (e.g., Postgres, MySQL) β€’ Experience with microservices architecture and design patterns (e.g., REST, gRPC) β€’ Experience with containerization (e.g., Docker) and orchestration (e.g., Kubernetes) β€’ Experience in designing and developing microservices-based systems, including service discovery, circuit breakers, and load balancing. β€’ Experience in designing and developing databases, including schema design, data modeling, and query optimization. Preferred Qualifications: Various Domain experience; Health Care Only Experience using Agile, Waterfall, or hybrid methodology Required Education: Related Bachelor’s degree or related work experience