Staff Software Engineer

NewtonX • New York, NY

5d • Hybrid

About The Position

We are looking for a Staff Engineer (Full-Stack) with deep expertise in Python/Django on the backend and React on the frontend. You’ll help build and scale high-performing applications used by global teams, with a strong focus on delivering an exceptional user experience. As a Staff Engineer, you will own department wide technical initiatives.

Requirements

• 4+ years full-stack engineering experience
• 3+ years of Senior Level Engineering experience, owning technical projects end-to-end
• Strong Python/Django expertise — Django + Django Rest Framework, designing and consuming REST APIs
• Strong React skills — modern React (hooks, Context API), reusable component libraries, building robust web apps across multiple projects
• Solid experience in JavaScript (ES6+), TypeScript, HTML, CSS/SCSS
• Experience owning scalable systems (race conditions, idempotency, backpressure)
• Strong SQL knowledge with relational databases (Postgres)
• Unit + integration testing mindset (Jest/React Testing Library, pytest/unittest)

Nice To Haves

• Cloud + infra experience: GCP, Kubernetes, Docker, Terraform
• Messaging/queueing systems (Pub/Sub, Kafka, RabbitMQ, SQS)
• SOLID design principles
• Responsive design (Material-UI, Bootstrap, or Tailwind) and State management (Redux, Zustand, Thunk)

Responsibilities

• Build Python/Django REST APIs and backend services
• Lead development of React-based UIs that are performant, scalable, and user-friendly
• Collaborate on architecture, design decisions, technology/tooling choices, and best practices
• Maintain and improve test coverage across the stack
• Debug, resolve technical debt, and improve code quality
• Mentor teammates and help shape engineering processes

Benefits

• Excellent medical, dental, and vision insurance.
• 401k match with immediate vesting.
• Generous Paid time off: vacation, holidays, sick, and parental leave.
• A diverse, collaborative, and positive culture where we invest in and celebrate each other’s success.
• Flexible work environment where we work hard but have fun (happy hours, team projects, and retreats).

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed