Senior Staff Software Engineer (Remote)

NewtonX is the leading AI-powered B2B research company that helps businesses make informed decisions by connecting them with verified subject matter experts. They are seeking a Senior Staff Engineer with deep expertise in React and Python/Django to lead projects and collaborate on technical initiatives, focusing on building and scaling high-performing applications.

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
• 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