New York City; Remote Hybrid Full-time USD 200,000 – 270,000 / year

NewtonX is hiring a Senior Staff Software Engineer

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

Requirements

  • 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.

Nice to Have

  • 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

Benefits

  • 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)
Required Skills
JavaScript
About company
NewtonX
NewtonX is at the forefront of B2B market research, providing AI-powered insights to deliver firsthand data that the world’s leading Investment firms and enterprises use to make multi-million dollar decisions. The company has partnered with leading organizations like McKinsey, Blackstone, Microsoft, Google, and KKR and has raised $47m in funding.
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Job Details
Department Engineering
Category other
Posted 5 months ago