Senior Staff Software Engineer
NewtonX · New York, NY · 2 wk ago
HybridEngineering$200k–$270k/yrFull-time
About the role
We are looking for a Senior Staff Software Engineer with deep expertise in React on the frontend and Python/Django on the backend. 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 Senior Staff Engineer, you will own organization-wide technical initiatives.
What We’re Looking For
- 6+ years full-stack engineering experience
- Strong React skills — modern React (hooks, Context API), reusable component libraries, building robust web apps across multiple projects
- Strong Python/Django expertise — Django + Django Rest Framework, designing and consuming REST APIs
- Solid experience in JavaScript (ES6+), TypeScript, HTML, CSS/SCSS
- Experience building scalable systems (race conditions, idempotency, backpressure)
- Strong SQL knowledge with relational databases (postgres)
- Unit + integration testing mindset (Jest/React Testing Library, pytest/unittest)
- Comfortable with Git and Agile workflows
- A strong, demonstrable commitment to developing secure software, including the ability to identify, defend against, and mitigate common application security vulnerabilities, especially those related to the OWASP Top 10
- Bonus Skills (Nice-to-Haves): State management (Redux, Zustand, Thunk), Responsive design with Material-UI, Bootstrap, or Tailwind, Cloud + infra experience: GCP, Kubernetes, Docker, Terraform, Messaging/queueing systems (Pub/Sub, Kafka, RabbitMQ, SQS), SOLID design principles
What You’ll Do
- Lead development of React-based UIs that are performant, scalable, and user-friendly
- Build and maintain Python/Django REST APIs and backend services
- Collaborate on architecture, design decisions, and code reviews
- Maintain and improve test coverage across the stack
- Debug, resolve technical debt, and improve code quality
- Contribute to technology/tooling choices and best practices
- Mentor teammates and help shape engineering processes
What We Offer
- 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)
Compensation Range
$200K - $270K