Remote Junior Python Developer Jobs in Stafford, VA

• Bachelor’s or master’s degree in IT, Computer Science, Geography or a related field.
• 5+ years of software/system testing or quality-engineering experience, including at least three years testing web, enterprise, cloud, geospatial, data-intensive, or mission-support applications.
• Demonstrated experience developing comprehensive test plans, manual and automated test cases, traceability, test data, execution evidence, defect reports, results, and recommendations.
• Experience performing functional, integration, end-to-end, regression, system, operational, security, performance, and user-acceptance-support testing.
• Experience developing and maintaining automated tests using JavaScript, Visual Studio Code (VS Code), Cypress, Cucumber (BDD), and GitLab CI/CD.
• Experience with test automation using a language or framework such as C#, Python, JavaScript/TypeScript, Selenium, Playwright, Cypress, pytest, NUnit, xUnit, or comparable tools.
• Experience with Jira, Confluence, Git/GitLab, CI/CD pipelines, controlled environments, and Agile/Scrum delivery.
• Ability to validate APIs, REST services, databases, data pipelines, identity/access functions, cloud components, and enterprise integrations.
• Strong analytical, troubleshooting, technical-writing, organization, communication, and cross-functional collaboration skills.
• Ability to satisfy DHS suitability, background-investigation, Entry on Duty, security, and system-access requirements for the assigned position
• Experience testing ESRI Portal/ArcGIS Enterprise, ArcGIS Online, Experience Builder, ArcGIS API for JavaScript, dashboards, web maps, geodatabases, or geospatial services.
• Experience testing .NET/C# applications, Python/Notebook automation, AWS-hosted systems, REST APIs, automated data ingestion, or real-time situational-awareness solutions.
• Knowledge of Section 508/WCAG accessibility testing and tools, secure-software testing, vulnerability validation, DHS 4300A, or federal authorization environments.
• Experience with performance/load tools, API-test tools, test-management platforms, static/dynamic security testing, or automated accessibility testing.
• ISTQB, Certified Software Test Engineer (CSTE), Agile testing, accessibility, cloud, security, or relevant ESRI certification.

• Develop risk-based test strategies, test plans, schedules, entry and exit criteria, test scenarios, test cases, test scripts, datasets, and expected results for new and modified GCIS capabilities.
• Derive test criteria from documented business, functional, technical, operational, security, accessibility, interface, and performance requirements and applicable KPP thresholds/objectives.
• Maintain bidirectional traceability among requirements, Jira stories, acceptance criteria, test cases, defects, evidence, results, and release decisions.
• Identify test dependencies, environments, accounts, tools, data, interfaces, risks, constraints, and stakeholder participation needed for successful execution.
• Review requirements and designs for clarity, completeness, testability, consistency, and measurable acceptance criteria; document gaps and recommend corrections before implementation
• Develop new and maintain existing manual and automated test cases for geospatial applications, web maps, dashboards, data services, scripts, integrations, identity/access functions, and operational workflows.
• Create reusable automated regression tests that improve coverage, repeatability, speed, and release confidence while following approved coding and configuration-management practices.
• Support .NET/C#, ESRI APIs/SDKs, ArcGIS JavaScript, Experience Builder, Python, Notebook Server, REST services, and AWS-hosted solution testing using appropriate frameworks and tools.
• Develop representative test data covering common, boundary, negative, error-handling, security, permission, data-quality, accessibility, and performance conditions.
• Maintain automation code, test assets, configurations, dependencies, and execution instructions in GitLab or other DHS-approved repositories.
• Conduct developmental and operational testing and execute functional, integration, end-to-end, system, regression, smoke, usability, data, interface, and user-acceptance-support tests.
• Verify geospatial functions such as map rendering, layer behavior, symbology, pop-ups, labeling, spatial analysis, geocoding, data ingestion, publishing, dashboards, and situational-awareness workflows.
• Validate integrations with enterprise systems, APIs, REST services, databases, identity services, cloud components, data feeds, and other approved interfaces.
• Execute tests in approved development, staging, preproduction, and production-support contexts while protecting operational services and test data.
• Capture complete, reproducible evidence including actual results, logs, screenshots, timestamps, environment/configuration details, data inputs, and pass/fail determinations
• Develop and execute tests that confirm system integrity, security controls, access behavior, sensitive-data handling, and compliance with DHS MD 4300A and other applicable requirements.
• Coordinate with the ISSO, developers, administrators, and security teams to validate vulnerability corrections, patches, configuration changes, and security-relevant release requirements.
• Perform or support Section 508 accessibility testing for delivered information and communications technology and document findings, evidence, remediation needs, and retest results.
• Validate IPv6 and/or dual-stack IPv6/IPv4 behavior for applicable application designs, interfaces, services, and integrations in accordance with SOW requirements.
• Ensure testing activities, evidence, and reports comply with DHS test-and-evaluation, cybersecurity, privacy, records, configuration-management, and safeguarding requirements

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