Principal Full Stack Software Engineer

Job Description

Glia Cell is seeking a Principal Full Stack Software Engineer on a subcontract for a U.S. Government customer. This full‑time position supports sustaining critical mission‑related software and systems for a large government contract.

• Develop scripts and analytics to provide novel insights into unique questions.
• Find and aggregate data from disparate sources and integrate it into new and existing tools.
• Develop new UIs and visualizations to provide customers with better understanding of their data.
• Elicit requirements and feedback directly from end‑users and other stakeholders.
• Collaborate with other DATs and QC teams to share expertise and elevate all teams.

• Possess an active or re‑instatable TS/SCI with Polygraph security clearance.
• U.S. citizenship.
• Professional/Education experience: 12 years & Bachelors of Science Degree, or 4 additional years in place of a BS Degree.
• Works well independently as well as on a team.
• Strong communication skills.

• Experience developing in Python, specifically data transformations.
• Experience writing frontend web apps in JavaScript/Type Script with React.
• Experience querying and developing in a big data environment.
• Experience developing on or managing Linux servers.
• Comfortable working directly with customers and users to solve unique hard problems.
• Desire to architect and implement solutions from beginning to end.

• Experience using AWS.
• Experience with other programming languages or frameworks (Java, FastAPI, Angular, Spring Boot, etc.).
• Desire to mentor and teach others.
• Knowledge of AI/ML and Big Data tools (DuckDB, Polars, Pandas, Spark).

Laurel, MD (onsite full time).

Annual salary $200,000 to $280,000. Sign‑on bonus eligible.

• Care First Medical Coverage for Employee and Dependents.
• Guardian Dental and Vision Coverage for Employee and Dependents.
• Up to 25 days of Paid Time Off.
• Up to 40 hours of PTO carryover.
• 11 Federal Government Holidays.
• Work From Home Opportunities.
• 401(k) Company Contribution, Fully Vested Day 1.
• Discretionary, Certification, and Sign‑On Bonus Potential.
• Employee Referral Bonus Program.
• Annual Professional Development.
• 100% Premium Covered for Life & Disability Insurances.
• Additional Voluntary Life Insurance Coverage Available.
• Employee Assistance Program.
• Travel Protection Program.
• Financial Planning Assistance.
• Bereavement and Jury Duty Leave.
• Monthly Team and Family Events.
• Technology Budget.
• Global Entry.
• Annual Swag Budget.

Please respond to this posting and attach an updated resume for review.

Glia Cell Technologies, LLC is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status.