Senior Full Stack Engineer (Remote)

NewtonX • New York, NY

89d • $200,000 - $225,000

About The Position

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.

Requirements

• 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
• 5+ years full-stack engineering experience
• 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

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

Responsibilities

• 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

Benefits

• Competitive compensation with a total comp range of 200-225k (includes base and annual performance bonus) and equity.
• Career advancement and training opportunities.
• Excellent medical, dental, and vision insurance.
• 401k match with immediate vesting.
• Health savings/flexible savings account, and pre-tax commuter benefits.
• 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 with a focus on work-life balance.
• Good vibes (happy hours, team projects, and retreats).

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Number of Employees: 101-250 employees