Software Engineer, Backend Developer, Full Stack Developer

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, Tik Tok, Door Dash, Stripe, and Coinbase. Our research has been cited by Fortune, Forbes, Tech Crunch, Adweek, and the Wall Street Journal.

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

We are looking for a Staff Engineer (Full-Stack) with deep expertise in Python/Django on the backend and React on the front end. 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.

• 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+), Type Script, HTML, CSS/SCSS
• Experience owning scalable systems (race conditions, idempotency, back pressure)
• Strong SQL knowledge with relational databases (Postgres)
• Unit + integration testing mindset (Jest/React Testing Library, pytest/unittest)

• 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)

• 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

• 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).

NewtonX is proud to be an equal opportunity workplace. We do not discriminate based upon race, religion, color, national origin, sex, sexual orientation, gender identity/expression, age, status as a protected veteran, status as an individual with a disability, or any other applicable legally protected characteristics.