Principal Database Developer

Dev Technology Group, Inc.

. Work with a team of database developers and database administrators to support an active application development program .

Posted 9/21/2026full-timeAshburn • Virginia • United StatesLead💰 $130,000 - $170,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive expertise in database development, including complex SQL creation, data profiling, and ETL processes, while effectively collaborating with teams to design and manage large databases. Proficient in PostgreSQL and AWS tools for data migration and validation.

Highest-signal resume keywords

PostgreSQL Database DevelopmentComplex SQL CreationData Profiling and CleansingETL Process ManagementAWS Data Migration

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

SQLDDLDMLDCLData StagingData ReportingData TroubleshootingPerformance Query WritingPython ScriptingData Validation

Soft Skills

DiplomacyCommunicationCollaborationProblem SolvingAdaptability

Tools & Technologies

GitAWS CloudWatchKibanaDynatrace

Certifications & Qualifications

Active Public Trust

Industry Keywords

Database DevelopmentData ManagementApplication DevelopmentData Environments

Tech Stack

Tools & technologies

AWSETLPostgresPythonSQL

About the role

Key responsibilities & impact

Work with a team of database developers and database administrators to support an active application development program
Create new database structures
Update existing database structures
Manage data within large, complex databases

Requirements

What you’ll need

Active Public Trust in DHS or a component of DHS
Bachelor's degree plus 10+ years in database development roles
Experience in data profiling, cleansing, reporting, data staging, and ETL jobs
Strong experience creating complex SQL in complex data environments
Strong experience troubleshooting, tuning SQL, and writing performance queries
Experience writing DDL, DML, and DCL
Hands-on experience with PostgreSQL database development
Experience writing Python scripts
Experience with Git/version control
AWS experience including data migration, validation, data pipelines, CloudWatch, Kibana, and Dynatrace
Ability to learn new tools quickly as needed to provide new ideas for solving problems
Ability and desire to work with other program staff and customers to reach design decisions within given constraints
Excellent diplomacy and communication skills with both clients and technical staff

Benefits

Comp & perks

Generous and flexible time-off policy
Flexible work schedules and telework options, including remote work availability for eligible projects
Career development opportunities including a mentorship program, technical and management training through Dev University, hands-on learning through DevLab, tuition reimbursement, and paid training opportunities
Industry-leading benefits including a choice of two health plans that include dental and vision, flexible spending account, commuter benefits, life insurance, and more
401K matching with a 5% matching contribution
Regular team and company social events including our annual party, happy hours, fitness challenges, and more
A focus on community engagement including company wide support activities, employer match for donations, and time off for volunteer efforts