1778 - Web Developer
- Salary
- $90,000 - $120,000 annually
- Level
- Senior
Not stated in the posting: work type, visa.
Open. First seen 14 October 2026.
About the role
Sigma Defense is seeking a Web Developer to join our team in San Diego, CA.
Sigma Defense's standard text
Equal Opportunity Employer/Veterans/Disabled: Sigma Defense Systems is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.
Requirements
- 6+ years of experience developing, deploying, and supporting application suites preferably in DoD or enterprise environments and in accordance with DoD Application Security and Development Security Technical Implementation Guides (ASD STIGs) and applicable cybersecurity requirements.
- Experience with data analytics, reporting systems, and dashboard development, including presenting application metrics and operational data through web-based interfaces.
- Experience with Docker/containerized applications is preferred.
- Experience with CI/CD pipelines and automated testing is preferred.
- Familiarity with Nginx or similar web servers/reverse proxies is preferred.
- Experience working in offline, isolated, or restricted-network environments.
- Understanding of application security, access control, secure API development.
- Experience documenting system architecture, APIs, deployment procedures, and administrative processes.
- Possession of an active Secret security clearance is preferred but not required.
- Must be a U.S. citizen.
Education Requirements:
- Bachelor's degree from an accredited college or university in Computer Science or related field of study.
Essential Job Duties (not all-inclusive):
- Develop applications in DoD, federal government, or other highly regulated environments.
- Maintain JSON Schemas to define data structures, required fields, data types, and validation rules.
- Develop and maintain web based distributed applications using React and modern JavaScript/TypeScript frameworks, including administrative and data-driven interfaces using frameworks such as React Admin and Recharts.
- Develop and maintain RESTful APIs to support application functionality, system integration, and data exchange, with experience using Python-based backend services such as Flask or comparable frameworks.
- Configure, administer, and maintain PostgreSQL databases, including database schema design, SQL query development and optimization, migrations, data integrity, and backup/recovery.
- Implement and maintain authentication, authorization, role-based access control (RBAC), and user account management, including technologies such as Keycloak, to enforce separation between user and administrator functions.
- Configure and maintain Windows Server environments supporting application services, databases, APIs, and web applications.
- Work directly with developers, testers, system administrators, subject matter experts, and end-users to gather requirements, identify user needs, and develop new features based on user feedback.
- Troubleshoot and debug applications to identify and resolve software defects, performance issues, integration problems, and other operational issues.
- Develop and maintain application frameworks and reusable software components, as well as documenting software architecture, configuration, interfaces, and software changes.
Salary Range: $90,000 - $120,000 annually.
Benefits
- Dental and Vision Insurance
- Medical Insurance to Include HSA, FSA, and DFSA Plans
- Life and AD&D coverage
- Employee Assistance Program (EAP)
- 401(k) Plan with Company Matching Contributions
- 160 Hours of Paid Time Off (PTO)
- 12 (Floating) Holidays
- Educational Assistance
- Highly Competitive Salary
What this role asks for
Particular to this role
Flask · Nginx · PostgreSQL · SQL · Test Automation · Windows Server
Rare in Sigma Defense's other 33 open postings.
Standard for frontend roles
JavaScript · REST · React · TypeScript
Common in frontend postings at any company.
90% of this description is written for the role. The rest is Sigma Defense's standard text, folded away below.
Read against Sigma Defense's other open postings on this site.
The team: IMS (IMSENG, IMSPRG, IMSNM, IMST&R)
This role is one of 9 open in IMS (IMSENG, IMSPRG, IMSNM, IMST&R). 8 were posted in the last 30 days.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
Cybersecurity (5 of 9), Python (5 of 9), Linux (4 of 9), Ansible (3 of 9), Cisco (3 of 9), PowerShell (3 of 9), VMware (3 of 9)
OTHER ROLES ON THIS TEAM
- 1655 - Senior Software Developer posted Oct 14
- 1742 - System Administrator posted Oct 14
- 1699 - Network Engineer IV posted Oct 14
- 1760 - Application Developer posted Oct 14
- 1335 - Systems Engineer III posted Oct 14
- 1519 - Systems Engineer III posted Oct 13
- 1520 - Network Engineer I - III posted Oct 13
- 1751 - Senior Systems Analyst: Training Technical Assessment SME posted Sep 15
From the team and dates on Sigma Defense's own job board.
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