Full Stack Developer

Two Six Technologies; Arlington (VA); On-site; USD 90,000 - 120,000; Full time

Job summary

A leading company in cybersecurity is seeking a Full-Stack Developer to create web-based applications that support critical national security programs. The role involves collaborating with cross-functional teams to develop scalable software solutions and improve system performance. Ideal candidates will have experience with modern frameworks, cloud deployment, and a passion for mission-driven work.

Benefits

medical insurance

dental insurance

vision insurance

life insurance

disability insurance

retirement benefits

paid leave

tuition assistance

professional development

Qualifications

• 3+ years of software development experience or 1+ with a Master's.
• Strong experience with modern frontend frameworks and API development.

Responsibilities

• Develop, test, and maintain scalable web applications.
• Collaborate with DevOps to deploy new software features.
• Conduct code reviews and champion best practices.

Skills

Python

Golang

Vue.js

Git

Education

Bachelor's degree

Master's degree

Tools

Docker

PostgreSQL

Elasticsearch

Neo4j

AWS

GitLab

Jenkins

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 seeking a Full-Stack Developer to support the development of web-based infrastructure and applications powering critical cybersecurity and national security research programs. In this role, you’ll contribute to high-impact platforms that ingest, analyze, and contextualize complex data to support decision-making and operational agility.

You’ll work side-by-side with product teams, DevOps engineers, and operators to design scalable software systems, integrate advanced backend services, and enhance overall system performance, usability, and transition readiness. This position is ideal for an engineer who thrives in fast-moving, mission-driven environments and enjoys working at the intersection of backend systems, cloud infrastructure, and user-facing capabilities.

What You’ll Do

• Develop, test, and maintain scalable full-stack web applications supporting mission-critical R&D projects
• Collaborate with DevOps and infrastructure teams to operationalize and deploy new software features
• Build user interfaces, REST APIs, backend logic, and data workflows to support analytics pipelines
• Improve system observability, performance, and extensibility for eventual transition to government or commercial partners
• Participate in infrastructure modernization efforts including containerization, cloud deployment (AWS), and automated CI/CD integration
• Support integration of new data sources and back-end capabilities to improve mission-driven analytics
• Conduct code reviews, contribute to design discussions, and champion best practices across development and deployment workflows

What you will need (Basic Qualifications):

• Bachelor’s degree with 3+ years of software development experience OR Master’s degree with 1+ years of experience
• Strong experience with modern frontend frameworks (Vue.js preferred)
• Proficient in Python and Golang, with experience managing packaging, testing, and virtual environments (where applicable).
• Comfortable working in Linux-based environments with tools like Git
• Exposure to infrastructure technologies such as Docker, container registries, and CI/CD tools (e.g., GitLab, Jenkins)
• Strong understanding of API development and data integration, with experience working with database technologies such as PostgreSQL, Elasticsearch, Neo4j, etc.

Nice to Have (Preferred):

• Experience deploying applications in cloud environments (AWS, Azure, GCP, etc.)
• Familiarity with Infrastructure-as-Code practices and tools (e.g., Terraform, Ansible)
• Prior work on DoD or national security projects, including operational transition to end users
• Contributions to open-source projects or collaborative software development communities
• Experience working in agile, cross-functional development teams

Security Clearance:

• Must be eligible and willing to obtain a U.S. security clearance of Top Secret level

#LI - ZS1

#LI - Onsite

Two Six Technologies is committed to providing competitive and comprehensive compensation packages that reflect the value we place on our employees and their contributions. We believe in rewarding skills, experience, and performance. Our offerings include but are not limited to, 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.

Ready to make the first move towards growing your career? If so, check out the Two Six Technologies Candidate Journey ! This will give you step-by-step directions on applying, what to expect during the application process, information about our rich benefits and perks along with our most frequently asked questions. If you are undecided and would like to learn more about us and how we are contributing to essential missions, check out our Two Six Technologies News page! We share information about the tech world around us and how we are making an impact! Still have questions, no worries! You can reach us at Contact Two Six Technologies . We are happy to connect and cover the information needed to assist you in reaching your next career milestone.

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.

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.

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