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Senior Staff Software Engineer
Location
United States
Posted
133 days ago
Salary
$200K - $270K / year
Seniority
Senior
Job Description
Senior Staff Software Engineer
NewtonX
• 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
Job 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.
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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