Senior Full Stack Developer - SFSD

Title: Senior Full Stack Developer

Location: Brooklyn, NY

Duration: 2 Years Contract

Description

Interview:

MS Teams / VirtualRole 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 testingDetailed 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 featuresRequired 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 systemsPreferred 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

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