Numerator · 5 hours ago
Senior Fullstack Engineer
United States
Full-time
Remote
Senior Level
$142K/yr - $195K/yr
5+ years expNumerator is reinventing the market research industry by empowering leading brands and retailers with insights into consumer behavior. They are seeking a Senior Fullstack Engineer to drive the technical direction of their platform, owning services across the entire stack and mentoring junior engineers.
AnalyticsBrand MarketingMarket Research
Responsibilities
Fullstack Ownership: Drive the design, architecture, and implementation of high-performance, scalable features across the entire application stack, from backend Python microservices to modern React/TypeScript frontend interfaces
Frontend Development & UX: Lead the development of rich, responsive, and intuitive user interfaces using React, Redux/State Management, and modern JavaScript/TypeScript, ensuring an excellent user experience
Backend Architecture & APIs: Define, build, and maintain robust, scalable RESTful APIs and microservices using Python and modern frameworks to power the Numerator Insights platform
System Reliability & Optimization: Manage and maintain the underlying cloud infrastructure (e.g., AWS) and databases, ensuring exceptional performance, reliability, security, and cost-efficiency of both frontend and backend systems
Technical Mentorship & Standards: Drive engineering best practices, conduct thorough code reviews, and mentor mid-level and junior engineers on fullstack design patterns, testing, and operational excellence
Cross-Functional Collaboration: Partner closely with Product Management, UX/UI Designers, and Data Science teams to translate business requirements and design mockups into technical specifications and scalable, shippable product features
Strategic Evaluation: Proactively evaluate and implement new fullstack technologies, libraries, and architectural patterns (both Python and React ecosystem) to accelerate development and improve system efficiency
Qualification
Required
5+ years of professional experience in fullstack development, with a focus on both Python backend and modern JavaScript/React frontend frameworks
Proven mastery of React, including functional components, hooks, and advanced state management (e.g., Redux, Context API). Experience with TypeScript is a strong plus
Mastery in designing and developing scalable, high-availability microservices and RESTful APIs using Python
Expertise in database design, performance tuning, and optimization with relational databases (e.g., MySQL or Postgres)
Deep understanding of web architecture, cloud principles (preferably AWS), and CI/CD pipelines
Experience with containerization (Docker) and container-orchestration (Kubernetes)
A Bachelors, Masters, or PhD in Computer Science, Information Technology, Computer Engineering or some related discipline, or equivalent experience demonstrating strong technical leadership
Benefits
Competitive salary and benefits package.
Flexible working hours and the option for remote work.
Opportunity to work on impactful projects with a modern tech stack.
Collaborative and inclusive team culture.
Professional development opportunities to grow your skills and career.
Company
Numerator
Numerator is a data and tech company that provides advanced technology for consumers to understand the market research industry.
5001-10000 employees
H1B Sponsorship
Numerator has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (4)
2024 (3)
2023 (4)
2022 (10)
2021 (2)
2020 (2)
Funding
Current Stage
Late StageTotal Funding
$21.4MKey Investors
Bain Capital Ventures
2021-04-19Acquired
2014-06-19Series B· $16M
2013-05-01Series A· $5M
Leadership Team
E
Eric Belcher
CEO
Joshua Greenough
Chief Technology Officer
Recent News
2025-11-14
Talk Business & Politics
2025-11-08
Company data provided by crunchbase