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# Senior Database Developer (Web Technologies & Data Migration)

- **Company:** Cornerstone Defense
- **Location:** Annapolis Junction, MD, United States
- **Experience:** Expert
- **Salary:** $200,000.0 - $220,000.0
- **Contract:** Permanent contract
- **Skills:** HTML, JavaScript (Programming Language), Agile Methodology, Apache Tomcat, Unix, Cascading Style Sheets (CSS), Databases, Data as a Services, Data Integration, Data Integrity, Extract Transform Load (ETL), Data Mapping, Data Migration, Relational Databases, Database Development, Middleware, Perl (Programming Language), JSON, Log Analysis, Oracle Databases, Oracle (Applications), Oracle SQL Developer, Query Optimization, Shell Script, SQL Stored Procedures, Systems Integration, Web Applications, Scripting, Database Optimization, Database Performance, Git, Performance Monitor, Web Technologies, Front End Software Development, Restful APIs, Software Version Control, User Administration
- **Published:** October 2, 2026
- **Apply:** https://www.clearancejobs.com/jobs/8854015/senior-database-developer-web-technologies-data-migration

## About the Role

Seeking a skilled Database Developer with strong expertise in Oracle PL/SQL, REST APIs, and front-end web technologies, including HTML, CSS, and JavaScript. The ideal candidate will have hands-on experience with data migration projects and a proven ability to design, develop, and optimize database-driven applications., * 6 + years' experience w/ a relevant bachelor's degree OR 10+ years of experience

 * 3 years of consulting experience preferred, * Experience with Oracle databases 19c or higher
 * Strong proficiency in Oracle PL/SQL and relational database concepts
 * Experience designing and integrating REST APIs
 * Solid experience with HTML, CSS, and JavaScript
 * Proven experience in data migration projects and tools
 * Experience in designing, developing, and maintaining websites and web applications
 * A security-conscious engineer capable of implementing and maintaining end-to-end security measures across the entire stack
 * Experience developing, testing, and debugging software components, and following formal change management processes to deploy solutions to production environments
 * Ability to perform light Unix administration, including user access management, access lists and permissions, log analysis, system performance management, software updates, system performance monitoring, and shell scripting for automation tasks
 * Experience with Oracle REST Data Services (ORDS) and Middleware (e.g., Tomcat)
 * Experience with Oracle JSON and handling JSON data within the database
 * Experience with database performance tuning and query optimization
 * Familiarity with version control systems (e.g., Git)
 * Strong problem-solving and analytical skills
 * Excellent communication and teamwork abilities

Desired Skills:

 * Knowledge of ETL tools and data integration techniques
 * Understanding of Agile development methodologies
 * Experience with Perl and Python scripting

## Description

Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *, * Design, develop, and maintain database solutions using Oracle PL/SQL

 * Write efficient queries, stored procedures, functions, and triggers
 * Design, develop, and integrate RESTful APIs
 * Collaborate with cross-functional teams to build and support web-based applications
 * Develop and maintain front-end components using HTML, CSS, and JavaScript
 * Design, develop, and maintain websites and web applications
 * Plan and execute data migration activities, including data mapping, transformation, and validation
 * Optimize database performance and troubleshoot issues
 * Ensure data integrity, security, and compliance with best practices
 * Document technical designs, processes, and workflows