Senior Staff Software Engineer
Company
NewtonX is the leading AI-powered B2B research company that helps businesses make informed decisions by connecting them with verified subject matter experts. We empower clients with the insights needed to make data-driven decisions by connecting them to the world’s most authoritative experts and business professionals through surveys and expert interviews.
We have partnered with leading organizations like McKinsey, Microsoft, Pinterest, Figma and beyond to equip them with B2B insights to solve pressing business challenges. Our research has been cited by Fortune, Forbes, TechCrunch, Adweek and more.
NewtonX has raised $47M in funding, and as we continue to expand, we’re searching for a Senior Full Stack Engineer who is going to lead the projects and work with more junior engineers
Role
We are looking for a
Senior Staff 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
Competitive compensation with a
total compensation range of $200k- $270k
(includes base and annual performance bonus) and equity.
(Please note that salary and compensation may vary based on skills, experience, performance, and location.)
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.