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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Developer - **Company:** Greenhouse Software, Inc. - **Location:** Arlington, VA, United States - **Experience:** Expert - **Salary:** $125,000.0 - $180,000.0 - **Contract:** Permanent contract - **Skills:** JIRA, Bash Shell, Unix, CompTIA Security+, Data Transformation Services, Relational Databases, Software Debugging, DevOps, Python (Programming Language), PostgreSQL, Message Broker, Software Engineering, Git, Kubernetes, Real Time Data, Docker - **Published:** August 19, 2026 - **Apply:** https://job-boards.greenhouse.io/twosixtechnologies/jobs/6144693004 ## About the Role 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., * 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 ## Description * 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, Website LinkedIn Profile Are you eligible for a DoD security clearance?* Select... For more information on clearances, review this document. Security Clearance * Select... Desired Salary* Select... Have you worked for Two Six Technologies or an affiliate in the past? If so, please provide the name of the team you supported and dates of employment.* Are you a current or former direct employee of any government institutions (including any governmental entities at the federal/national, state/provincial, and local levels and including publicly funded institutions)?* Select... Are you currently bound by any non-compete or employment agreement?* Select... How did you hear about us?* If you were referred by an Employee, please list their name. Please provide your Legal Name * Are you legally authorized to work in the United States?* Select... Do you now, or will you in the future, require company sponsorship for an employment visa? (e.g. H-1B, E-3, TN status)* Select... Voluntary Self-Identification For government reporting purposes, we ask candidates to respond to the below self-identification survey. Completion of the form is entirely voluntary. Whatever your decision, it will not be considered in the hiring process or thereafter. Any information that you do provide will be recorded and maintained in a confidential file. As set forth in Two Six Technologies's Equal Employment Opportunity policy, we do not discriminate on the basis of any protected group status under any applicable law. Gender* Select... Are you Hispanic/Latino?* Select... Race & Ethnicity Definitions If you believe you belong to any of the categories of protected veterans listed below, please indicate by making the appropriate selection. As a government contractor subject to the Vietnam Era Veterans Readjustment Assistance Act (VEVRAA), we request this information in order to measure the effectiveness of the outreach and positive recruitment efforts we undertake pursuant to VEVRAA. Classification of protected categories is as follows: A "disabled veteran" is one of the following: a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or a person who was discharged or released from active duty because of a service-connected disability. A "recently separated veteran" means any veteran during the three-year period beginning on the date of such veteran's discharge or release from active duty in the U.S. military, ground, naval, or air service. An "active duty wartime or campaign badge veteran" means a veteran who served on active duty in the U.S. military, ground, naval or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense. An "Armed forces service medal veteran" means a veteran who, while serving on active duty in the U.S. military, ground, naval or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order 12985. Veteran Status* Select... ## Related Videos - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [WeAreDevelopers LIVE - Node and Package Security](https://www.wearedevelopers.com/videos/2138-wearedevelopers-live-node-and-package-security) - [Navigating the Future of Junior Developers in Tech](https://www.wearedevelopers.com/videos/1280-navigating-the-future-of-junior-developers-in-tech) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [The Evolving Landscape of Application Development: Insights from Three Years of Research](https://www.wearedevelopers.com/videos/1459-the-evolving-landscape-of-application-development-insights-from-three-years-of-research) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers)