Strong expertise in modern React (including hooks and Context API)
Proficient in Python/Django and RESTful API design
Solid understanding of JavaScript (ES6+), TypeScript, HTML, and CSS/SCSS
Experience in building scalable systems
Strong SQL knowledge with PostgreSQL
Testing mindset with experience in Jest, React Testing Library, and pytest
Responsibilities
Lead development of performant and user-friendly React-based UIs
Build and maintain robust Python/Django REST APIs
Collaborate on architecture and design decisions
Ensure high test coverage and improve code quality
Debug and resolve technical debt effectively
Contribute to technology choices and best practices
Mentor team members and shape engineering processes
Benefits
Comprehensive medical, dental, and vision insurance
401k matching with immediate vesting
Generous paid time off including vacation, holidays, and parental leave
Supportive and diverse work culture that celebrates success
Flexible work environment with social activities
Full Job Description
About The Role
We are looking for a Senior Staff Software Engineer with deep expertise in React on the frontend and Python/Django on the backend. You'll help build and scale high-performing applications used by global teams, with a strong focus on delivering an exceptional user experience. As a Senior Staff Engineer, you will own organization-wide technical initiatives. What We're Looking For
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
What You'll Do
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
What We Offer
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).
About NewtonX
NewtonX is an AI-powered expert search engine that connects companies with the world's leading experts in any industry. It provides a platform that enables businesses to find, vet, and hire experts for their research, consulting, and advisory needs. The platform uses advanced natural language processing and machine learning algorithms to identify and rank the most relevant experts based on their expertise, experience, and reputation. NewtonX aims to help companies to make better decisions, faster, by providing them with the insights and knowledge they need to succeed.
