NewtonX
Enterprise SaaSDirect Ashby career site

Senior Staff Software Engineer

Location
New York City, NY (Remote) · On-site
Job type
Full-time
Level
Director
Experience
6+ years
Listed
22 days ago

Skills & highlights for this role

  • React
  • Python
  • Django
  • Django REST Framework
  • PostgreSQL

Also useful

  • Kubernetes
  • Terraform
  • Kafka
  • TypeScript

Stated benefits & perks

  • Health
  • Dental
  • Vision
  • 401k match
  • Unlimited pto

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).

About NewtonX

NewtonX is a B2B insights company trusted by the world's most innovative companies to make high-stakes decisions with confidence. We combine a verified network of business professionals with AI-powered research tools to deliver research intelligence faster, more precise, and more defensible than traditional methods.

Our clients include Google, Microsoft, TikTok, DoorDash, Stripe, and Coinbase. Our research has been cited by Fortune, Forbes, TechCrunch, Adweek, and the Wall Street Journal.

NewtonX has raised $47M from investors including Two Sigma Ventures, Third Prime, XFund, and Citi Ventures.

Read the original posting

From NewtonX's careers page, first listed on Rolev.ai on October 17, 2026. Rolev.ai is not the employer.

How Rolev.ai helps with this application

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Common questions

Where is the Senior Staff Software Engineer job at NewtonX located?

Yes, this Senior Staff Software Engineer opening at NewtonX is listed as New York City, NY (Remote) (On-site). Always check NewtonX's application page for specific state eligibility or relocation policies.

What qualifications are required for Senior Staff Software Engineer at NewtonX?

For the Senior Staff Software Engineer role, NewtonX highlights 6+ years of relevant experience; experience with React, Python, Django, Django REST Framework, PostgreSQL. Rolev.ai can score your existing resume against these requirements and show any skill gaps before you apply.

How do I apply for the Senior Staff Software Engineer position at NewtonX?

This listing links directly to NewtonX's Ashby application page. You can apply directly on NewtonX's site, or use Rolev.ai to check your resume fit, generate a zero-hallucination tailored resume and cover letter for this posting, and autofill the Ashby application form in 1 click with the Rolev.ai Chrome extension. You always review the form and press Submit yourself.