{"id":11503,"url":"https://alion.io/job/newtonx-senior-staff-software-engineer","title":"Senior Staff Software Engineer","company":{"id":3688,"name":"NewtonX","domain":"newtonx.com","url":"https://alion.io/company/newtonx","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"staff","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["New York, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":200000,"max":270000,"currency":"USD","period":"year","gross":null,"usd_annual":270000},"salary_estimate":null,"experience_years_min":6,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Django","optional":false},{"name":"Django REST Framework","optional":false},{"name":"Git","optional":false},{"name":"JavaScript","optional":false},{"name":"Jest","optional":false},{"name":"OWASP Top 10","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Pytest","optional":false},{"name":"Python","optional":false},{"name":"React.js","optional":false},{"name":"Rest API","optional":false},{"name":"Sass","optional":false},{"name":"SQL","optional":false},{"name":"Stripe","optional":false},{"name":"TypeScript","optional":false},{"name":"Apache Kafka","optional":true},{"name":"Bootstrap","optional":true},{"name":"Docker","optional":true},{"name":"GCP","optional":true},{"name":"Kubernetes","optional":true},{"name":"Material UI","optional":true},{"name":"RabbitMQ","optional":true},{"name":"Redux","optional":true},{"name":"State Management","optional":true},{"name":"Tailwind CSS","optional":true},{"name":"Terraform","optional":true},{"name":"Zustand","optional":true}],"status":"live","first_seen_at":"2026-03-05T20:16:33Z","employer_posted_date":"2026-03-05","last_verified_at":"2026-10-12T21:42:03Z","board_verified":true,"closed_at":null,"days_open":221,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":220},"description":"About NewtonX\nNewtonX is a B2B insights company trusted by the world's most innovative companies to make high-stakes decisions with confidence. We combine a verified network of business professionals with AI-powered research tools to deliver research intelligence faster, more precise, and more defensible than traditional methods.\nOur clients include Google, Microsoft, TikTok, DoorDash, Stripe, and Coinbase. Our research has been cited by Fortune, Forbes, TechCrunch, Adweek, and the Wall Street Journal.\nNewtonX has raised $47M from investors including Two Sigma Ventures, Third Prime, XFund, and Citi Ventures.\nAbout The Role\nWe 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.\nWhat We’re Looking For\n6+ years full-stack engineering experience\n\nStrong React skills - modern React (hooks, Context API), reusable component libraries, building robust web apps across multiple projects\n\nStrong Python/Django expertise - Django + Django Rest Framework, designing and consuming REST APIs\n\nSolid experience in JavaScript (ES6+), TypeScript, HTML, CSS/SCSS\n\nExperience building scalable systems (race conditions, idempotency, backpressure)\n\nStrong SQL knowledge with relational databases (postgres)\n\nUnit + integration testing mindset (Jest/React Testing Library, pytest/unittest) Comfortable with Git and Agile workflows\n\nA 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.\n\nBonus Skills (Nice-to-Haves)\nState management (Redux, Zustand, Thunk) Responsive design with Material-UI, Bootstrap, or Tailwind\n\nCloud + infra experience: GCP, Kubernetes, Docker, Terraform Messaging/queueing systems (Pub/Sub, Kafka, RabbitMQ, SQS)\n\nSOLID design principles\n\nWhat You’ll Do\nLead development of React-based UIs that are performant, scalable, and user-friendly\n\nBuild and maintain Python/Django REST APIs and backend services\n\nCollaborate on architecture, design decisions, and code reviews\n\nMaintain and improve test coverage across the stack\n\nDebug, resolve technical debt, and improve code quality\n\nContribute to technology/tooling choices and best practices Mentor teammates and help shape engineering processes\n\nWhat We Offer\nExcellent medical, dental, and vision insurance.\n\n401k match with immediate vesting.\n\nGenerous Paid time off: vacation, holidays, sick, and parental leave.\n\nA diverse, collaborative, and positive culture where we invest in and celebrate each other’s success.\n\nFlexible work environment where we work hard but have fun (happy hours, team projects, and retreats).\nNewtonX is proud to be an equal opportunity workplace. 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