Lead Full Stack Developer

Two-Six-Technologies; Arlington (VA); On-site; USD 140,000 - 200,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

Life and disability insurance

Retirement benefits

Paid leave

Tuition assistance

Professional development

Job summary

Two Six Technologies is seeking a Lead Full Stack Developer to join our team in Arlington, VA with future transition to Herndon, VA. This role requires an active TS clearance with SCI eligibility and 100% in-person work in a lab environment.

You will lead cross-functional teams, oversee full-stack delivery from inception to deployment, and work with modern frontend frameworks (Vue.js), Python, and cloud-based architectures. Expect in-office collaboration and occasional travel to the Herndon lab.

Qualifications

• Bachelor’s degree in Computer Science or related field with 7+ years of software engineering experience.
• Proven ability to plan and execute technical tasks, prioritization, and directing team members.
• Deep understanding of SDLC, version control (Git), containerization (Kubernetes), and CI/CD tools (Jenkins, GitLab).
• Must possess an active TS clearance with SCI eligibility and be willing to work 100% in person.
• This role is based in Arlington, VA with a future transition to Herndon, VA; commute to both locations.

Responsibilities

• Serve as a technical lead, bridging goals and tactical implementation for national security programs.
• Break down complex deliverables into actionable tasks and oversee full-stack development from inception to deployment.
• Lead in-office technical implementation teams in Arlington with occasional travel to Herndon for lab work.
• Ensure successful completion of program deliverables through sound technical judgment and leadership.

Skills

Technical leadership

Full stack development

Python

Vue.js

Kubernetes

CI/CD tools

DoD/ national security experience

Education

Bachelor's degree in Computer Science or related field

Tools

Git

Jenkins

GitLab

OpenStack

AWS

Job description

At Two Six Technologies, we build, deploy, and implement innovative products that solve the world’s most complex challenges today. Through unrivaled collaboration and unwavering trust, we push the boundaries of what’s possible to empower our team and support our customers in building a safer global future.

Overview of Opportunity

Two Six Technologies is actively seeking a Lead Full Stack Developer to join our team. The team is composed of intellectual individuals, passionate about developing reverse engineering tooling, system architecture, technical leadership, and complex software implementation. The team is growing and looking for someone with a full-stack background who has an understanding of how to synthesize program requirements into actionable tasks and lead technical teams through implementation and scaling. If you are actively using modern frontend frameworks, Python, and cloud-based architectures, the team wants to talk to you!

What you will do:

• Serve as a technical lead, bridging the gap between high-level visionary goals and tactical implementation for critical national security research programs.
• Support the Principal Investigator by breaking down complex deliverables into actionable tasks and overseeing the full stack development process from inception to deployment.
• Lead technical implementation teams 100% in-office, with a primary focus on hands‑on lab operations in Arlington and occasional travel to Herndon.
• Ensure the successful completion of program deliverables through sound technical judgment and the leadership of functional engineering staff.

What you will need (basic qualifications)

• Bachelor’s degree in Computer Science or a related field and 7+ years of experience in a similar software engineering role (extensive experience in Software Engineering, Computer Science, or related field may substitute for a degree requirement).
• Proven ability to lead the planning and execution of technical tasks, including task prioritization, schedule management, and providing direction to other team members.
• Deep understanding of the software development lifecycle, including version control (git), containerization and scaling (Kubernetes), and CI/CD automated tools (Jenkins, GitLab).
• Must possess an active Top Secret (TS) clearance with SCI eligibility and be willing to work 100% in person and in a lab environment.
• This role is based in-person at our Arlington, VA office, with a planned transition to our Herndon, VA lab facility in the future. Candidates must be able to commute to both locations.

Nice to have (preferred)

• Experience designing and deploying scalable applications within AWS, OpenStack, or other cloud-based architectures.
• Strong professional experience with modern frontend frameworks, specifically Vue.js.
• Familiarity with Infrastructure-as-Code practices and tools such as Ansible, Terraform, or OpenTofu to optimize service delivery.
• Prior experience supporting DoD or national security R&D projects, particularly in transitioning technology to operational end-users.
• Demonstrated success in providing technical mentorship and guidance to junior and staff-level engineering staff.

Security Clearance:

• Must possess an active Top Secret (TS) clearance with SCI eligibility

Two Six Technologies is an Equal Opportunity Employer and does not discriminate in employment opportunities or practices based on race (including traits historically associated with race, such as hair texture, hair type and protective hair styles (e.g., braids, twists, locs and twists)), color, religion, national origin, sex (including pregnancy, childbirth or related medical conditions and lactation), sexual orientation, gender identity or expression, age (40 and over), marital status, disability, genetic information, and protected veteran status or any other characteristic protected by applicable federal, state, or local law. For more information review the Two Six TechnologiesEqual Employment Opportunity and theEEO Poster .

Additionally, please be advised that this business uses E-Verify in its hiring practices.

The projected salary range listed for this position is annualized. This is a general guideline and not a guarantee of salary. Salary is one component of our total compensation package and the specific salary offered is determined by various factors, including, but not limited to education, experience, knowledge, skills, geographic location, as well as contract specific affordability and organizational requirements.

• medical, dental, and vision insurance
• life and disability insurance
• retirement benefits
• paid leave
• tuition assistance
• professional development

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