Senior Staff Software Engineer developing high-performing applications for market research at NewtonX. Collaborating globally and focusing on exceptional user experiences in a hybrid environment.
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
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.
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).
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