Job Title: Senior IT Big Data Developer Location: Washington, DC Type: Contract Job Summary: We are seeking a highly skilled Senior IT Big Data Developer to support advanced data engineering initiatives using modern cloud and big data technologies. The ideal candidate will bring deep experience in building scalable data platforms, leveraging infrastructure as code, and working across hybrid data environments (cloud and on-premises). This role is critical for driving innovative solutions in a fast-paced, collaborative environment. Key Responsibilities: Develop and maintain applications utilizing cloud-based and hybrid big data systems such as Amazon Aurora, Snowflake, Databricks, Amazon Redshift, and MS SQL Server. Implement infrastructure as code (IaC) solutions using tools such as Terraform and AWS CloudFormation as part of a broader DevOps program. Design, build, and optimize automated ETL/ELT pipelines that process large volumes of structured and unstructured data. Apply modern software development lifecycles (SDLCs) such as Agile, DevOps, Lean, Iterative, and Waterfall in delivery of data-centric solutions. Architect and implement solutions using Big Data best practices and design patterns for data lakes, data warehouses, and hybrid storage solutions. Required Qualifications: 10+ years of hands-on experience with object-oriented programming and scripting languages including: C#, Java, Python, Scala, .NET, Spark, Spring, Hibernate JavaScript, Node.js, and Shell scripting 10+ years of experience with ETL/ELT development using tools such as: Informatica PowerCenter, Apache NiFi, Data Oracle Integrator, SSIS, IBM Infosphere, or SAP BusinessObjects Data Integrator 10+ years of experience working with relational databases (MS SQL Server, Oracle) and NoSQL databases such as MongoDB, Cassandra, CouchDB, HBase, Cosmos DB, Oracle NoSQL 7+ years of experience delivering software using formal SDLC methodologies Deep understanding of Big Data ecosystems, performance optimization, and data architecture best practices Experience with cloud-native data platforms and hybrid data environments Preferred Certifications: AWS Certified Developer – Associate AWS Certified Data Engineer – Associate