Senior Full Stack Engineer (TS/SCI with Polygraph Required)

DeNOVO Solutions LLC; Aurora (CO); On-site; USD 175,000 - 230,000; Full time

Benefits offered by this job

Medical, Dental, and Vision Premiums

401k with 6% Match

120 hours of Paid Time Off (PTO)

Company outings and trips

Tuition reimbursement and training

Down payment match

Job summary

DeNOVO Solutions LLC seeks aSenior Full Stack Engineer to design and deliver scalable full-stack applications. You will architect backend services and API layers with Node/Express, and craft NiFi data flows for orchestration while upholding rigorous testing standards.

You will mentor junior engineers, drive code quality, and promote best practices for reliable, high-performing software. This role supports sensitive programs requiring TS/SCI with Polygraph clearance in Aurora, CO.

Qualifications

• Minimum of ten years of related professional experience.
• Bachelor’s degree or higher in computer science or related discipline; substitutions apply.
• Master’s degree may substitute for experience (two years per master’s, four years for PhD).

Responsibilities

• Lead design and delivery of scalable full-stack features and systems.
• Architect backend services and API layers using Node/Express.
• Design robust NiFi data flows for messaging and orchestration.
• Establish and maintain test coverage using Vitest, Cypress, and Playwright.
• Drive code quality and enforce testing standards across the team.
• Mentor junior developers and review code for maintainability and performance.

Skills

Mentoring

Team leadership

Code quality

Education

Bachelor’s degree in Computer Science or related field

Tools

Node/Express

NiFi

Vitest

Cypress

Playwright

MongoDB

Git

GitHub Actions

Job description

Position: Senior Full Stack Engineer (TS/SCI with Polygraph Required)

Location: Aurora, CO

Job Id: CORP- FSE3-001

# of Openings: 0

Position: Senior Full Stack Engineer

Location: Aurora, CO

Clearance: TS/SCI with Polygraph

Lead the Design and Delivery of Scalable Full-Stack Applications

DeNOVO Solutions is seeking a Senior Full Stack Engineer to design and develop scalable applications ensuring high performance and reliability across the full stack. This role architect's backend services and APIs with Node/Express, designs advanced NiFi flows for data orchestration, and enforces comprehensive testing standards. The engineer mentors junior developers, drives code quality, and promotes best practices for maintainable and efficient software delivery. This role supports DeNOVO's research and development and product capability development.

Why You’ll Love This Role

• Shape the Architecture: Define scalable backend and API structures that drive mission success.
• Promote Excellence: Lead code reviews and testing standards to ensure performance and reliability.
• Mentor and Grow Talent: Guide junior engineers while improving team development processes.

A Day in the Life

• Lead design and development of scalable full-stack features.
• Architect backend services and API layers with Node/Express.
• Design robust NiFi flows for messaging and data orchestration.
• Establish and maintain test coverage using Vitest, Cypress, and Playwright.
• Drive code quality and enforce testing standards across the team.
• Mentor junior developers and review code for maintainability and performance.

What You Bring to the Table

• Strong experience with MongoDB (aggregation and indexing).
• Expertise in NiFi (error handling, flow templates).
• Deep familiarity with testing tools: Vitest (unit/mocking), Cypress (component/UI), Playwright (E2E).
• Hands-on experience with Git and CI pipelines (e.g., GitHub Actions).

What You Need

• Experience:Minimum of ten (10) years of related professional experience supporting programs and contracts of similar scope, type, and complexity.
• Education: Bachelor’s degree or higher in a computer science or related discipline (e.g., Statistics, Mathematics, Programming, or Systems Engineering). In lieu of a Bachelor’s degree, two (2) additional years of related experience may be substituted.
• Substitution of Experience: A Master’s degree from an accredited college or university in a related engineering discipline (e.g., Statistics, Mathematics, Operations Research, Cyber Security, Engineering or Computer Science) may be substituted for two (2) years of experience. A PhD from an accredited college or university in a related engineering discipline may be substituted for four (4) years of experience.

Salary Range: $175,000.00 to $230,000.00

Note: The above salary range is a guideline and represents a broad spectrum of potential compensation. We recognize that a candidate's unique experience and qualifications may justify compensation beyond this range. Therefore, we remain open to considering higher salary offers for exceptionally qualified candidates.

Why Join DeNOVO Solutions?

At DeNOVO Solutions, we make improving the competitive position of our customer paramount in importance and work collaboratively to ensure the best service possible. DeNOVO Solutions provides cleared personnel and cost competitive solutions to our customers. We strive to be the leader amongst small businesses in the Intelligence Community and provide personnel with talent & skills equal to the larger companies. As a Minority-Owned and Service-Disabled Veteran-Owned Small Business (MO/SDVOSB), we are dedicated to providing the best technical and professional services throughout the Intelligence Community (IC).

Our benefits package for full-time employees includes:

• Medical, Dental, and Vision Premiums 100% Employer Paid for you and your legal dependents or plus up, cost split plan.
• 401k with 6% Match
• 120 hours of Paid Time Off (PTO)
• Company Outings and Trips
• Tuition Reimbursement, Skillset Training, and New/Renewed Certification assistance
• HomeFundIt Company Down Payment Match – Employer match towards the down payment of buying a new home

DeNOVO Solutions is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, disability, marital status, veteran status, sexual orientation, genetic information or any other protected characteristic under applicable law.