Smartly

Senior Software Engineer, Meta

Smartly
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5 days ago
Helsinki, FinlandSenior

Responsibilities

  • Design, build, and maintain backend services and full-stack product capabilities for Meta Workspaces.
  • Build and maintain integrations with the Meta Marketing API for advertising workflows.
  • Develop and operate reliable, scalable, and high-performance systems processing high volumes of advertising operations and data.
  • Own high-impact features from product discovery and API design through implementation, testing, rollout, and iteration.
  • Improve service scalability, reliability, performance, and observability under production load.
  • Design robust APIs, service boundaries, and integrations for automation and workflow-driven products.
  • Collaborate with product, design, infrastructure, data, and engineering teams.
  • Mentor engineers and help improve testing, monitoring, code quality, and operational excellence.
  • Explore AI-enabled tools to improve engineering workflows, developer productivity, and delivery quality.

Requirements

  • Strong experience building and shipping production software as a backend or full-stack engineer.
  • Professional experience with TypeScript and Node.js.
  • Practical experience with relational databases, APIs, cloud infrastructure, and distributed systems.
  • Experience designing, operating, and scaling production services with demanding reliability, performance, and availability requirements.
  • Ability to make technical decisions in ambiguous situations while balancing quality, speed, and maintainability.
  • Experience collaborating across functions and contributing to technical discussions shaping product and engineering outcomes.
  • Strong written and verbal communication skills in English.
  • Curiosity about emerging AI capabilities and willingness to explore their use in products, workflows, and developer productivity.
  • Ability to work effectively in a hybrid setup.

Benefits

  • Hybrid work model with three days per week in the Helsinki office.
  • Option to work abroad for up to 30 days annually.
  • Healthcare packages, mental health services, paid holidays, and family leave.
  • Equity options, performance-based rewards, competitive compensation, and career development opportunities.
  • Inclusive global culture with colleagues across more than 60 nationalities, 24 locations, and 13 countries.
Smartly

About Smartly

1,001-5,000 employees
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