> Markdown version of [/jobs/ext/4102788-software-engineer-java-python-big-data](https://www.wearedevelopers.com/jobs/ext/4102788-software-engineer-java-python-big-data). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer Java/Python Big Data - **Company:** Nmk Global Inc. - **Location:** Rockville, MD, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Airflow, Amazon Web Services, Amazon Elastic Compute Cloud, Amazon S3, Application Performance Management, Audit Trail, Automation of Tests, Unit Testing, Big Data, Software Quality, Continuous Integration, Extract Transform Load (ETL), Data Warehousing, Relational Databases, DevOps, Amazon DynamoDB, Identity and Access Management, Python (Programming Language), PostgreSQL, MongoDB, MySQL, Node.Js, NoSQL, Object-Oriented Software Development, Performance Tuning, Software Engineering, Data Streaming, Parquet, ReactJS, Apache Spark, Software Security, Software Troubleshooting, Electronic Medical Records, Amazon Virtual Private Cloud (VPC), Cloudformation, Amazon Relational Database Service, Data Lakes, AngularJS, Gitlab-ci, Cassandra, Avro, Presto, Functional Programming, Cloudwatch, Api Gateway, Restful APIs, Terraform, Data Pipelines, Microservices - **Published:** October 2, 2026 - **Apply:** https://www.dice.com/job-detail/a3ae8a3b-e2e6-49dc-8b68-47416e4832fb ## About the Role * 8+ years of software engineering experience. * Strong proficiency in Java and/or Python; Node.js is a plus. * Strong object-oriented development and RESTful API design. * Strong experience with Microservices architecture. * Hands-on experience with Big Data technologies, especially Apache Spark, EMR, Presto/Trino, and Athena. * Experience designing and developing large-scale ETL/ELT pipelines. * Experience with batch and streaming data processing. * Strong knowledge of Data Lake/Data Warehouse patterns, partitioning, schema management, and Parquet/ORC/Avro formats. * Strong SQL performance tuning experience. * Experience with AWS Glue, Step Functions, and/or Airflow. * Experience with relational databases: PostgreSQL, MySQL, Aurora. * Experience with NoSQL databases: DynamoDB, MongoDB, Cassandra. * Strong AWS experience with EC2, S3, Lambda, RDS, ECS, API Gateway, CloudWatch, CloudTrail, IAM, and VPC. * Experience with Infrastructure as Code using Terraform or CloudFormation. * Experience with CI/CD, test automation, unit testing, DevOps, and software security. * Strong system design and performance optimization experience. Nice to Have: * Amazon QuickSight * React / Angular * GitLab CI/CD * Amazon Q or other AI-assisted development tools ## Description * Design, develop, and maintain applications that ingest and analyze multiple data sources. * Build scalable Big Data processing and ETL/ELT solutions. * Provide technical leadership and mentorship to junior engineers. * Participate in architecture and technical strategy discussions. * Identify and resolve technical risks and dependencies. * Support production systems and troubleshoot complex technical issues. * Optimize application performance, code, and infrastructure. * Ensure code quality, security, testing, and adherence to development best practices. Important Requirements: * FINRA experience required. * Candidates must be available for an onsite interview on October 6, 2026. * Candidates should be comfortable with the required onsite schedule in Rockville, MD.