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Staff Software Engineer Meta Advertising & Server-Side Signals

Usercentrics

📍Odense, Southern Denmark
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Posted on: February 27, 2026

We’re looking for a hands-on Staff Software Engineer to elevate engineering excellence and take technical ownership across our full-stack platform.

This role centers on technical leadership through execution. You will set high engineering standards, mentor teammates, drive architectural decisions — and actively contribute production-grade code yourself.

Architecture and system design are important, but your primary impact will come from combining strong technical judgment with hands-on delivery. You will operate across frontend and backend systems (Next.js, NestJS, Node.js / TypeScript) running on GCP (Cloud Run, Kubernetes). Experience in AdTech / MarTech (e.g., server-side tracking, GTM, GA4) is a strong plus, but the core requirement is deep software engineering maturity.

  • Design and implement our systems & services that integrate with Meta MSGW at scale.
  • Implement and operate high-availability microservices delivering the functionality for our Meta SGW product offering.
  • Integrate with Meta’s API surfaces (Graph API, CAPI endpoints, Signals Gateway).
  • Collaborate with product and engineering teams to ensure end-to-end data compliance and transparency.
  • Mentor and lead engineers in server-side tracking best practices.

What You’ll Own:

Hands-On Development

    • Actively implement complex features and core platform components.
    • Contribute to both backend and (when needed) frontend systems.
    • Refactor and improve critical parts of the codebase.
    • Tackle technically challenging problems end-to-end.
    • Prototype and validate architectural approaches through real code.

Engineering Excellence & Technical Leadership

    • Lead by example through well-structured, production-grade code.
    • Raise the bar for code quality, testing, and maintainability.
    • Conduct deep, constructive code reviews.
    • Establish strong standards for observability, reliability, and security.
    • Improve CI/CD and operational maturity.
    • Mentor engineers and strengthen architectural thinking across the team.
    • Critically evaluate AI-assisted output and ensure it meets high standards.

Architecture & System Design

    • Drive end-to-end design across frontend, APIs, and cloud infrastructure.
    • Define service boundaries and integration patterns.
    • Design scalable and maintainable distributed systems.
    • Balance pragmatic delivery with long-term system health.

Engineering Maturity

    • 6+ years of professional software engineering experience.
    • Experience operating at Senior or Staff level.
    • Strong track record of both leading technically and shipping production code.
    • Demonstrated ability to elevate engineering standards in a team.
    • Strong technical judgment and pragmatic decision-making.

Technical Depth

    • Strong proficiency in TypeScript and Node.js.
    • Experience with structured backend frameworks (e.g., NestJS or similar).
    • Experience with modern frontend architectures (e.g., Next.js or comparable).
    • Experience designing and operating services on GCP (Cloud Run, Kubernetes preferred).
    • Solid understanding of distributed systems, API design, and cloud-native architectures.

Strong Plus

  • Experience in AdTech / MarTech environments.
  • Familiarity with:
    • Google Tag Manager / Server-Side GTM
    • Event ingestion and transformation pipelines
    • GA4, Measurement Protocol, ads platform integrations
    • Experience with CDNs and edge architectures.
    • Knowledge of privacy-aware and consent-driven data flows.

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