Senior Fullstack Engineer — AI-Driven Ad Platform

Smartly.io; Helsinki; Híbrido; EUR 90.000 - 120.000; Jornada completa

Descripción de la vacante

Smartly is seeking a Senior Fullstack Engineer to shape the future of our multi-channel advertising platform. You will design, build, and scale integrations across channels, collaborating with partners like Google, Reddit, and Spotify to enable efficient campaign management.

You'll work on AI/automation opportunities, own architectural decisions, and mentor teammates in a hybrid Helsinki-based role.

Formación

• 5+ years of experience building and operating production-grade systems with Node.js and TypeScript.
• Solid frontend experience with React and modern web development practices.
• Experience designing distributed systems and working with asynchronous, event-driven architectures.
• Proven ability to build scalable systems that handle high data volumes.
• Ability and willingness to work in a hybrid setup from our Helsinki office (3 days per week).

Responsabilidades

• Own the design and implementation of new platform integrations end-to-end.
• Design and operate distributed, data-intensive systems and microservices at scale.
• Build automation systems that process large volumes of campaign and performance data.
• Develop and evolve client-facing APIs and backend services.
• Drive architectural decisions and contribute to long-term technical direction.
• Work across teams to align on shared patterns and unify channel behavior within the platform.
• Partner closely with product and design to shape solutions, not just implement them.
• Mentor other engineers and raise the bar for engineering quality and practices.

Conocimientos

Node.js

TypeScript

React

Distributed systems

Hybrid work

Herramientas

PostgreSQL

RabbitMQ

Redis

Kubernetes

Descripción del empleo

Smartly is seeking a Senior Fullstack Engineer to shape the future of our multi-channel advertising platform. You will design, build, and scale integrations across channels, collaborating with partners like Google, Reddit, and Spotify to enable efficient campaign management.

You'll work on AI/automation opportunities, own architectural decisions, and mentor teammates in a hybrid Helsinki-based role.