Senior Full Stack Developer - SFSD 26-02874

Title: Senior Full Stack Developer

Location: Brooklyn, NY

Duration: 2 Years Contract

Description

Interview:

• MS Teams / Virtual

Role Overview

We are seeking a Senior Full Stack Developer to support the development and implementation of all phases of the Software Development Life Cycle (SDLC), including design, development, testing, deployment, and post-implementation enhancements for large-scale, public-facing applications.

Key Responsibilities

• Implement all phases of SDLC including conceptual design, development, testing, deployment, and ongoing enhancements
• Analyze business and technical requirements and propose system, file, and UI designs
• Deploy applications across multiple environments (Development, QA, Staging, Production)
• Conduct unit and integration testing

Detailed Responsibilities

• Architect and develop backend solutions using Python, Django (4.x), and Django REST Framework, along with frontend applications using React
• Design and implement new data models, serializers, and REST API endpoints while ensuring modularity and minimizing regression risks
• Develop and implement business logic for eligibility, workflows, and configurable rules with minimal dependency on code changes
• Enhance frontend applications to support directory listings, search functionality, application workflows, and eligibility messaging
• Implement and adapt matching/assignment algorithms and processing pipelines based on business rules
• Develop and maintain waitlist and workflow logic ensuring compatibility with existing systems
• Write PostgreSQL queries, schema designs, and migrations in collaboration with database teams
• Implement asynchronous processing using tools like Celery for bulk and background operations
• Develop comprehensive unit, integration, and regression test suites
• Validate system performance under high load and ensure scalability
• Ensure accessibility compliance (WCAG 2.1 AA) for all user-facing features

Required Qualifications

• 8+ years of experience in software analysis, design, and development for large-scale, public-facing web applications
• 8+ years of experience with Python and Django (Django 4.x preferred), including Django REST Framework
• 6+ years of experience with React for building modern user interfaces
• 5+ years of experience with PostgreSQL, including schema design, migrations, and query optimization
• 5+ years of experience with Redis and Celery for caching and distributed task processing
• 4+ years of experience in unit testing, integration testing, and automated regression testing (Python and JavaScript frameworks)
• 4+ years of experience working in CI/CD environments (Azure DevOps or similar)
• 4+ years of experience validating application performance and behavior across integrated systems

Preferred Qualifications

• Experience in education, government, or large public-sector systems
• Experience implementing algorithms (matching, placement, optimization) in production environments
• Familiarity with accessibility standards (WCAG 2.1 AA), responsive design, and SSO/SAML authentication
• Experience with high-concurrency systems, caching strategies, and async processing
• Experience with end-to-end testing tools (e.g., Cypress) and performance testing tools
• Familiarity with secure coding standards (e.g., OWASP Top 10)
• Experience with observability tools such as Splunk, Sentry, or similar

For more details reach at resumes@navitassols.com.