Senior Fullstack Engineer (AI)

TL;DR

Senior Fullstack Engineer (AI): Pioneering a greenfield project and expanding Smartly’s offering into a new advertising channel with an accent on Snapchat and Spotify Ads campaign management. Focus on building end-to-end automation solutions and enhancing existing automation pipelines, also building the new architecture required to support integration with emerging advertising channels and platforms.

Location: Ability and willingness to work from our Helsinki office three times per week.

Company

Smartly is the AI-powered advertising technology company transforming ad experiences for brands and their consumers.

What you will do

• Integrate customer assets and performance data into our platform, creating infrastructure that enables large-scale advertisers to automate their ad campaigns.
• Build data-intensive automation solutions to optimize performance at a high scale.
• Collaborate with other development teams to architect and build cross-platform features.
• Partner with designers to build high-quality user interfaces and frontend tooling using modern frameworks.
• Engage directly with stakeholders at the industry’s biggest advertising platforms, like Snapchat and Spotify, to ensure our product meets the highest standards in quality and user experience.

Requirements

• Experienced Fullstack Engineer with strong TypeScript skills.
• Proficiency in Node.js and React.
• Experience in backend infrastructure, large-scale data processing, and event-driven systems.
• A solid understanding of distributed systems and asynchronous architectures.
• Ability and willingness to work from our Helsinki office three times per week.

Culture & Benefits

• Join a diverse team of over 750 Smartlies from 60+ nationalities across 24 locations in 13 countries and foster a culture built on trust and open feedback.
• Work on solutions that directly influence advertisers worldwide and drive business growth.
• Benefit from comprehensive healthcare, mental health services, paid holidays, and family leave.
• Enjoy equity options, performance-based rewards, competitive compensation, and career development opportunities.
• Flexibility to work in a hybrid model, with the option to work abroad for up to 30 days per year.

Hiring process

• Meet your Recruiter: Get to know each other and learn about working at Smartly.
• Meet the Lead: Gain deeper insights into your future role.
• Meet the Team in Technical Interviews: Engage in an interactive coding interview followed by a discussion around Systems Design and Architecture.