HHiring Reality
← Smartly

Senior Fullstack Engineer (TikTok)

Smartly
Location
Helsinki, Uusimaa, Finland
Posted
26 days ago
Department
Research & Development
What they actually want (must-haves)
  • Strong experience building and operating production-grade applications across the stack, ideally with TypeScript, Node.js, and React or similar technologies
  • Experience taking product capabilities end-to-end, from customer-facing experiences to backend services and APIs
  • Experience designing distributed systems and working with asynchronous, event-driven architectures at scale
  • Ability to build reliable systems and integrations that handle high volumes of data
  • Ability to take ownership of complex problems and drive them from concept to production
  • Strong collaboration skills and experience working closely with engineering, product, and design to shape solutions
What the job really is

As a Senior Fullstack Engineer at Smartly, you will be responsible for developing and enhancing the TikTok advertising platform, enabling large advertisers to manage their campaigns effectively. Your role will involve working across the entire technology stack, from creating user-friendly interfaces to designing backend services and APIs. You will also collaborate with product managers and designers, mentor junior engineers, and contribute to architectural decisions while exploring AI and automation to improve product offerings.

Benefits
  • An Inclusive Global Culture
  • Global Impact
  • Focus on Wellbeing
  • Comprehensive Rewards
  • Flexible Hybrid Workplace
Things to weigh
  • No salary listed
  • Hybrid work model requires 3 days in the Helsinki office
  • Focus on TikTok may limit exposure to other platforms
Job score3.2/5
Benefits3/5
Freshness4/5
Career value4/5
Role clarity5/5
Pay transparency0/5

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