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Senior Back-End Developer; TS​/SCI

Job in San Antonio, Bexar County, Texas, 78208, USA
Listing for: Def-Logix, Inc.
Full Time position
Listed on 2026-02-18
Job specializations:
  • Software Development
    Software Engineer, DevOps, Backend Developer, Cloud Engineer - Software
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below
Position: Senior Back-End Developer (TS/SCI)

Provides subject matter proficiency for work described in the task. Responsible for providing analytical skills to support process improvement, specialized studies, and definition of requirements. Typical duties include analysis, planning, developing requirements documents, building functional models, developing procedures, developing functional architectures, and other related management and technical duties. Requires expertise in specialty areas.

Shall perform engineering tasks for back-end design and development efforts including, but not limited to, developing back-end architectures to support current and new system capabilities and integrations, RESTful API development and modification, database management, and data model development and optimization.

Required Qualifications
  • 10 years of overall experience in the functional area. A bachelor’s degree in related field required. A master’s degree may substitute for 2 years of experience.
  • 10 years of software development experience in object-oriented and scripted languages (see section 4.2) with the ability to apply several tool suites related to Dev Sec Ops , microservices and containers
  • 5 years of recent and relevant experience performing back-end web design and development
  • Demonstrated experience in preparing, conducting, and documenting various systems tests and results to verify system operability and compliance with project standards and requirements.
  • Demonstrated experience in relational databases, RESTful API development and integration.
  • 5 years experience in Python and Postgre

    SQL.
  • 5 years of experience with bug tracking software (e.g., Jira).
  • 5 years of experience testing web-based applications.
  • 5 years of experience leading software development programs or projects.
  • Practical experience developing in a cloud environment
  • 3 years of experience with the following: AWS Infrastructure, Kubernetes, and Red Hat Linux.
  • 10 years of experience with Relational databases with at least 5 years of Postgre

    SQL applied experience.
  • 5 years of experience with at least five (5) of the following:
    • BASH
    • Spring
    • Ansible
    • JUnit5
    • Nexus Repository
    • Maven
  • TS/SCI clearance
Desired Qualifications
  • Experience with integrating data from unclassified to classified application deployments
  • 5 years of experience with DoD software development
  • Experience using Agile Test-Driven development
  • Experience integrating into DoD Dev Sec Ops  environments
  • 5 years experience with CI/CD software development

Location: Desired JBSA-Lackland,Tx or Fort Meade,MD

Clearance: Desired TS/SCI

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Position Requirements
10+ Years work experience
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