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Fullstack Engineer (creative tools)

Location: Helsinki, Commitment Full-time, Team Engineering

As a Fullstack Engineer in our team Kino, you will build creative tools for our customers who depend on our image and video templates, asset library and creative performance insights in automating and scaling their advertising.

Kino is at the core of our product offering

Our templating tools are a flagship feature of the Smartly.io app, including a video editor written in TypeScript/React/Redux and a Node.js rendering backend. During peak hours, our image template rendering backend renders up to 18 Gb of images per second on over 600 servers.

In the near future, we are looking to kickstart developing creative insights as a part of the tool, focusing on analysing how our customers' creatives are performing as well as giving them actionable insights.

We work with technologies like TypeScript, Node.js, Ruby on Rails, PostgreSQL, Redis, React, Redux and Styled Components.

Do you want to learn more about what kind of challenges Kino is tackling? Take a look at

How We Scaled Our Architecture and 25 Petabytes Later.

Also see How Engineers work at Smartly.io.

As a Fullstack Engineer you will:

  • Design, build and operate a modern web platform for the most advanced performance marketers and designers.
  • Write maintainable, robust and well tested code both in frontend and backend.
  • Design, build and operate scalable microservices running on Kubernetes.
  • Collaborate with diverse stakeholders, including working with product and UX/UI design to create great user experiences.
  • What we're looking for:

  • Experience in building solid REST APIs in Node.js.
  • Fluency with modern frontend development tools like TypeScript, React/Redux or Angular.
  • Motivation for solving customers’ problems and delivering value to customers at a fast pace.
  • Bonus points for Ruby on Rails experience (our asset library backend is written in Ruby on Rails).
  • What we offer you:

  • You’ll have a significant personal impact on the products we’re building, as well as their impact on our customers and our business, because of our strong culture of ownership.
  • Little legacy code, instead a focus on building new products and features that form the spearhead of our company.
  • Interesting challenges, such as scaling our rendering pipeline and investigating obscure Chromium bugs.
  • If you’re interested in working closely with customers, you’ll have an opportunity to work with some of the most advanced online marketers out there.
  • Support with possible relocation to Helsinki.
  • Competitive salary and benefits.
  • Our recruitment process

    1. First meeting: before diving deeper into your tech skills, we want to know who you are and what motivates you. This is also an opportunity for you to learn more about Smartly.io.

    2. Technical interview: we’ll discuss areas relevant to you ranging from frontend development to networks, security, and development methods. We’re trying to get a clear overview of your skills and where you could learn more.

    3. Coding exercise: we’ll be pair programming in Node environment to make sure that you can also code. Previous experience with Node.js or JavaScript is not necessarily required, as the session will be very interactive.

    4. Final interview with the Team Lead and our Engineering Director.

    Who we are

    Smartly.io is a fast-growing team of 350+ Humble Hungry Hunters. We are building a B2B SaaS product to fully automate and optimize online marketing at scale for the largest advertisers across the globe. We are a global company with 40 nationalities and footholds in 16 cities, serving 600+ brands around the world. 

    We’re building the best product company to work for, where highly autonomous engineering teams can take full ownership of creating a world-class software platform. As an engineer at Smartly.io, you get to tackle challenges of considerable scale and complexity. We develop our product at a fast pace and in close cooperation with the largest online businesses globally, including Uber, eBay, and Zalando.

    We build tools that help our customers work more effectively. Our product is at the core of how business is done today: it allows brands to grow their business online, across platforms like Facebook, Pinterest, and Google. We automate all repetitive manual work to help them grow their sales, not headcount.

    Engineers at Smartly.io say they chose us thanks to the great work culture and smart colleagues. We only hire to elevate the team, not to delegate tasks, which means that everyone you work with is a true professional. We believe in self-organization, transparency and candid feedback—everyone can speak up and help make better decisions together. Learn more about how we work at smartly.io/culturehandbook.

    Position Details
    Location Helsinki
    Commitment Full-time
    Team Engineering

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