Application Developer – Sr.

Castalia Systems is seeking a Sr. Application Developer to support our client. The ideal candidate will apply comprehensive knowledge across key tasks and high-impact assignments, planning and leading major technology assignments. The role is hybrid with 2 days/week onsite and requires a U.S. citizen with a TS/SCI clearance and CI poly.

What You Will Do

The qualified candidate will evaluate performance results, recommend major changes, function as a technical expert across multiple project assignments, and may supervise others. They will work with automated testing tools, perform testing and maintenance, and have experience with various technologies.

Why It Might Be a Fit

The ideal candidate will have a minimum 8 years of experience related to the specific labor category, with at least a portion of the experience within the last 2 years. They will also have a Master's degree in an area related to the labor category or a Bachelor's degree with an additional 2 years of related Senior experience.

Requirements

• Possess a minimum 8 years of experience related to the specific labor category with at least a portion of the experience within the last 2 years.
• Possess a Master's degree in an area related to the labor category from a college or university accredited by an agency recognized by the U.S. Department of Education or have Bachelor's degree related to the labor category from a college or university accredited by an agency recognized by the U.S. Department of Education and an additional 2 years of related Senior experience, for a total of 10 years.
• Experience using Node.js with Typescript, SQL, PostgreSQL, Redis, and Elasticsearch
• Experience creating solutions to complex problems within a collaborative, cross-functional team
• Ability to work with automated testing tools to perform testing and maintenance
• Experience with JSON, Java, JavaScript, SharePoint, XML, VBAs, Oracle, MongoDB, Solr, SQL, Open AI, or other AI technologies

Benefits

• Medical, dental, vision coverage
• 401k matching
• Generous PTO
• Paid holidays
• Professional training opportunities
• Pet insurance