Lead Full Stack Developer

Two Six Technologies; Arlington (VA); On-site; USD 140,000 - 190,000; Full time

Job summary

Two Six Technologies is seeking a Lead Full Stack Developer to join a team focused on developing reverse engineering tooling and scalable software for national security programs. The role emphasizes technical leadership, hands-on full-stack development, and coordinating between lab operations and cloud-based deployments.

The position is in-office in Arlington, VA with a future transition to Herndon, VA; travel to Herndon may be required and TS clearance with SCI eligibility is a prerequisite.

Qualifications

• Bachelor’s degree in Computer Science or related field with 7+ years of software engineering experience.
• Proven ability to lead planning, task prioritization, and team direction.
• Deep understanding of SDLC, version control (Git), containerization (Kubernetes), and CI/CD tools (Jenkins, GitLab).
• Active Top Secret clearance with SCI eligibility; willing to work 100% in person.
• In-person work at Arlington, VA with future transition to Herndon, VA; commute to both sites.
• Experience designing and deploying scalable applications in cloud (AWS/OpenStack).
• Experience mentoring junior engineers and leading technical teams.

Responsibilities

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

Skills

Technical leadership

Project planning

Software development lifecycle

Git version control

Kubernetes

CI/CD automation

Communication

Education

Bachelor's degree in Computer Science or related field

Tools

Git

Kubernetes

Jenkins

GitLab

AWS

Ansible

Terraform

OpenTofu

Vue.js

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.

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 specific degree).
• 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

• 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.

Benefits and Compensation

Two Six Technologies is committed to providing competitive and comprehensive compensation packages that reflect the value we place on our employees and their contributions. Our offerings include medical, dental, and vision insurance, life and disability insurance, retirement benefits, paid leave, tuition assistance, and professional development. 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.

Two Six Technologies is an Equal Opportunity Employer and does not discriminate in employment opportunities or practices based on race, color, religion, national origin, sex, sexual orientation, gender identity or expression, age, marital status, disability, genetic information, protected veteran status, or any other characteristic protected by applicable federal, state, or local law. For more information review the Two Six Technologies Equal Employment Opportunity and Affirmative Action Policy and the EEO Poster.

If you are an individual with a disability and would like to request reasonable workplace accommodation for any part of our employment process, please send an email to [e-mail]. Information provided will be kept confidential and used only to the extent required to provide needed reasonable accommodations.

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

Application Process

The application process is designed to be straightforward. If you are ready to advance your career with Two Six Technologies, please submit your application through the official career portal. Qualified candidates will be contacted for next‑step discussions.