Senior Software Developer

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.

Two Six Technologies is seeking a Senior Software Developer to work on multi-domain platforms serving critical national security functions. In this role, you will be a part of the data team that is responsible for maintaining several internally-developed data migration tools. You will work closely with developers that have experience with these tools to learn, and ultimately own, aspects of those tools. The ideal candidate for this position will be a self-starter that has a passion for learning and a history of working very closely with data.

This is a full-time position, on-site at our TST Arlington office with core business hours between 9am and 3pm, Monday-Friday.

Responsibilities:

• Work closely with internal and external stakeholders to develop requirements and solutions to complex data needs
• Provide ongoing maintenance, support and enhancements to existing systems and platforms
• Work directly with engineers in the field to debug and troubleshoot production issues
• Provide occasional after-hours support for scheduled production deployments
• Provide Program and Product Managers with reliable time and effort estimates for technical deliverables
• Provide technical and functional guidance and support to other team members as needed

Minimum Qualifications:

• Excellent verbal and written communication skills
• Minimum of 5 years of experience in software engineering
• Minimum of 1 years of experience with Python
• Minimum of 3 years of experience working with data in relational databases
• Experience developing in a Unix environment

Preferred Qualifications:

• Experience with Postgres, Docker, Kubernetes, Bash scripting
• Experience working with agentic AI agents
• Experience with event-driven processing, message brokers, or real-time data architectures
• Experience using Git and Jira in a development workflow
• Experience with DevOps processes
• Experience creating data models in relational databases
• Experience working in an agile environment
• Experience with data migrations
• DoD 8570 Level II or Level III Certification; for example, Comptia Security + or CISSP
• Top Secret security clearance or ability to obtain

#LI-MS1

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.

Salary Range

$125,000—$180,000 USD

Looking for other great opportunities? Check out Two Six Technologies Opportunities for all our Company’s current openings!

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. 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 View email address on aiapply.co. 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.

By submitting the following application, I hereby certify that to the best of my knowledge, the information provided is true and accurate.