Cello Square by Samsung SDS Global

Senior Software Engineer, Full-Stack

Cello Square by Samsung SDS Global

full-time

Posted on:

Origin:  • 🇺🇸 United States

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Job Level

Senior

Tech Stack

AWSFlutterPythonReactReact Native

About the role

  • Build and improve an all-in-one referral platform for B2B SaaS powering referrals, sharing & recommendations
  • Work on frontend widgets, high-performance APIs, full customer portal, attribution models and recommendation engines
  • Scale systems to handle millions of events and integrate with customer apps
  • Work directly with stakeholders—no ticket factory; build new features and improve existing systems
  • Influence architecture and product direction and collaborate with an experienced founding team

Requirements

  • Good communication skills and a friendly, collaborative attitude
  • Good English skills (written & spoken)
  • Know when “good enough” is right — and when to invest in quality
  • Solid experience with React or similar, NestJS/Python or similar, and AWS
  • Comfortable debugging complex problems
  • Contribute ideas, challenge assumptions, shape solutions
  • Use AI tools wisely but don’t depend on them
  • Nice-to-haves: Experience with mobile development (React Native, Flutter, etc.)
  • Nice-to-haves: Familiarity with data warehousing/analytics (Snowflake, ClickHouse, or similar)