Full Stack Developer/Testing Lead

As a Full Stack Developer/Testing Lead, serves as a Testing Lead for pre-production efforts. This role is responsible for defining, establishing, implementing, and continuously improving the program's testing and quality assurance processes, procedures, standards, and methodologies. The individual will develop the overall test strategy, implement testing frameworks and practices, and ensure consistent execution of front-end, back-end, integration, system, and user acceptance testing activities. Leveraging extensive full stack development experience, this role will help ensure comprehensive test coverage across application, service, and data layers while promoting quality throughout the software development lifecycle.

*This position is contingent upon contract award. Award anticipated December 2026/January 2027.*

Responsibilities:

• Define, establish, and lead testing and quality assurance processes covering front-end, back-end, integration, system, and user acceptance testing.
• Establish the overall test strategy, including objectives, methodologies, analysis, schedules, and success criteria; translate complex program requirements into testable objectives.
• Design, develop, and maintain automated test frameworks and test suites to support continuous validation of application functionality and performance.
• Develop and maintain integrations among the modern UI/UX front end, service layer, and modernized relational database.
• Apply full stack development expertise across application, service, and data layers to support defect resolution, performance optimization, and test coverage.
• Support system integration activities and resolve issues related to compatibility, interoperability, and multi-platform environments.
• Collaborate with technical teams to ensure software solutions meet functional, performance, security, and quality requirements.
• Analyze software defects, identify root causes, and implement corrective actions to improve application reliability and maintainability.
• Perform feasibility analyses and technical assessments for future enhancements, technology improvements, and program objectives.
• Develop training materials, technical documentation, test artifacts, and knowledge transfer products.
• Support and participate in project reviews, stakeholder meetings, and other program activities; communicate risks in a timely manner with associated mitigation strategies.

Qualifications:

• Years of Experience: Five (5) years
• Education Level: None. Desired BS in Computer Science, Information Systems, Engineering, IT, or closely related discipline, or equivalent additional relevant experience.
• Clearance Requirements: Secret. Must possess IT-II Non-Critical Sensitive security clearance or Tier 3 (T3) at time of proposal submission.
• Certification Requirements: Security+ or ability to obtain Security+ within first year of employment.

Any other work-related qualifications needed for the role:

• Extensive experience with DevSecOps and CI/CD pipelines.
• Extensive experience setting up, defining, and leading testing/QA processes — front-end testing, back-end testing, and user acceptance testing.
• Demonstrated experience as a full stack developer.
• Experience refactoring monolithic solutions into micro-service structures operating within hardened containers.
• Experience with configuration management and IaC tooling (e.g., TFS, Puppet, Chef, Ansible, Salt) and containerization technologies (e.g., Docker, OpenShift).
• Experience in an Agile environment; knowledge of System Operations, Engineering, and DevOps integration.
• Extensive experience working highly complex IT systems. Resume must demonstrate experience working legacy system upgrades, modernization, legacy system transition, data migration and/or system analysis and design. Priority given to personnel with demonstrated experience performing functional and technical solutions decomposition that enables solutions analysis and design and demonstrated experience implementing solutions with respect to modern database design and modern software languages within the federal Government, specifically within the DoD. AI/ML experience is preferred.
• Travel to on-site meetings in Columbus, OH (Onsite once per month (average) up to 3 days.)

About Us

Diné Development Corporation (DDC) is a Navajo Nation–owned family of companies that provides government agencies and commercial organizations with high-quality IT, professional, environmental, and research and development services. DDC is dedicated to empowering the Navajo Nation and the communities we serve.

Benefits

Eligible full-time employees receive a comprehensive benefits package, including medical, dental, vision, life and disability coverage, retirement savings with company match, and paid time off. Additional benefits include voluntary supplemental benefits, access to an employee assistance program, and educational assistance with tuition reimbursement.

Equal Opportunity & Compliance Statement

This contractor and subcontractor shall abide by the requirements of 41 CFR 60-1.4(a), 60-300.5(a), and 60-741.5(a). These regulations prohibit discrimination against qualified individuals based on their status as protected veterans or individuals with disabilities, and prohibit discrimination against all individuals based on their race, color, religion, sex, sexual orientation, gender identity, national origin, or for inquiring about, discussing, or disclosing information about compensation, or any other basis prohibited by law.

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