Python, SQL, AWS Developer - ZL

SES; Reston (VA); Hybrid; USD 120,000 - 160,000; Full time

Job summary

SES is seeking a Python, SQL, AWS Developer to design and maintain data pipelines in a hybrid role based in Reston, VA or Washington, DC. The candidate will work with AWS data services and BI concepts to deliver scalable analytics solutions.

The role emphasizes collaboration with data analysts and developers, test-driven data validation, and active participation in Agile ceremonies. Candidates should be proficient in Python and SQL with strong data warehousing knowledge.

Qualifications

• Strong programming experience in Python.
• Advanced proficiency in SQL, including complex query development and performance optimization.
• Solid understanding of BI concepts, reporting, and analytics.
• Strong knowledge of relational databases and database design principles.
• Hands-on experience with AWS services.

Responsibilities

• Design, develop, and maintain data pipelines and ETL/ELT processes using Python and SQL.
• Develop and optimize complex SQL queries, stored procedures, and database objects for reporting and analytics.
• Perform source-to-target data mapping and execute comprehensive data quality validation to ensure data integrity and consistency.
• Work with AWS data services, including AWS Lambda, Amazon Redshift, Apache Iceberg, and Amazon Glacier, to build and support scalable data solutions.
• Collaborate with business stakeholders, data analysts, and developers to understand business requirements and translate them into technical solutions.
• Develop, execute, and maintain test cases for data validation, ETL processes, and reporting solutions.
• Create and maintain technical documentation, including design documents, mapping documents, data dictionaries, and operational procedures.
• Participate in Agile ceremonies, including sprint planning, daily stand-ups, backlog grooming, and retrospectives.
• Track work items, defects, and enhancements using JIRA and contribute to continuous process improvements.
• Troubleshoot production issues, perform root cause analysis, and implement corrective actions.

Skills

Python

PyTest

SQL

AWS Data Services

Jira

BI concepts

Tools

Jira

Job description

Python, SQL, AWS Developer

Hybrid 2 days per week in Reston, VA OR Washington, DC

No Corp to Corp, 3rd party, ICs or 1099

Top 6 Technical Skills:

1. Python
2. PyTest
3. SQL
4. AWS Data Services
5. Jira
6. BI concepts

Top 2 Soft Skills:

1. Communication skills
2. Self-motivated

Key Responsibilities

• Design, develop, and maintain data pipelines and ETL/ELT processes using Python and SQL.
• Develop and optimize complex SQL queries, stored procedures, and database objects for reporting and analytics.
• Perform source-to-target data mapping and execute comprehensive data quality validation to ensure data integrity and consistency.
• Work with AWS data services, including AWS Lambda, Amazon Redshift, Apache Iceberg, and Amazon Glacier, to build and support scalable data solutions.
• Collaborate with business stakeholders, data analysts, and developers to understand business requirements and translate them into technical solutions.
• Develop, execute, and maintain test cases for data validation, ETL processes, and reporting solutions.
• Create and maintain technical documentation, including design documents, mapping documents, data dictionaries, and operational procedures.
• Participate in Agile ceremonies, including sprint planning, daily stand-ups, backlog grooming, and retrospectives.
• Track work items, defects, and enhancements using JIRA and contribute to continuous process improvements.
• Troubleshoot production issues, perform root cause analysis, and implement corrective actions.

Required Qualifications

• Strong programming experience in Python.
• Advanced proficiency in SQL, including complex query development and performance optimization.
• Solid understanding of Business Intelligence (BI) concepts, reporting, and analytics.
• Strong knowledge of relational databases and database design principles.
• Hands-on experience with AWS services

About SES:

Systems Engineering Services Corporation (SESC), founded in 1989, is a leading provider of technology solutions to Fortune 1000 companies and government organizations. Specializing in Accelerated Development Services (agile application development, mobile, systems integration, project and program management), Architecture Services (SOA, microservices, Cloud), Data Services (DW, BI, Big Data), Testing, Cyber Security and DevOps, SESC is guided by a corporate mission to provide valuable solutions to our client s technology needs through responsive quality services.