Senior Software Engineer (New Channel Expansion)

We’re looking for a Senior Full Stack Engineer to join our team at Smartly to help build a brand-new integration to our platform. While we can’t publicly share all the details just yet, this is an exciting greenfield project that will connect us with world-leading tech partners and serve some of the largest organizations in the world.

You’ll play a key role in shaping the architecture and implementation from the ground up, so we’re looking for someone who thrives in ownership, values clean and scalable solutions, and enjoys working closely with both engineers and product stakeholders.

The main technologies in our stack are Node.js, React & TypeScript.

As a Senior Fullstack Engineer, you will:

• Have end-to-end ownership of a new platform integration


• Design, build and monitor data-intensive microservices systems


• Collaborate closely with other engineers, product managers and designers to deliver cutting edge solutions for our clients


• Take part and facilitate team activities such as dailies, retros and brainstorming sessions


• Coach and mentor other members of the team to follow best practices and industry standards

What we are looking for:

• Experience in backend development using modern technologies such as Node.js and Typescript


• Experience in UI development (React & Typescript)


• Experience in building robust, complex and distributed web applications


• Motivation for solving customers problems and delivering value to customers at a fast pace


• Strong collaboration skills & ability to coach other engineers in the team


• Ability to work in a hybrid capacity from our Helsinki office 3 days a week 

What We Offer You:

• Inclusive Culture: Join a team of over 750 Smartlies representing more than 60 nationalities across 24 locations in 13 countries, we foster a culture built on trust, transparency, and open feedback.


• Global Impact: Be part of a company making a global impact, directly influencing our customers and business growth.


• Wellbeing Focus: Enjoy generous healthcare packages, mental health services, and a healthy work-life balance with paid holidays and family leave.


• Total Rewards: Benefit from equity options, performance-based rewards, competitive compensation, and ample career development opportunities.


• Hybrid Workplace: We work in a hybrid model, balancing office and remote work, with the option to work abroad for up to 30 days.

What to Expect from Our Recruitment Experience:

• Meet your Recruiter: Get to know each other and learn about working at Smartly.


• Meet the Team Lead: Gain deeper insights into your future team.


• Meet the Team in Technical Interviews: Engage in an interactive coding interview followed by a discussion around Systems Design and Architecture.


• Meet the Leadership in a Final Meeting: A brief discussion with our SVP of Engineering.

#LI-JF2 #LI-Hybrid

About Smartly

Smartly is the AI-powered advertising technology company transforming ad experiences for brands and their consumers. Our comprehensive advertising platform seamlessly integrates the capabilities of media, creative, and intelligence to power more than 800 billion impressions and generate more than 300 billion creatives annually, delivering tangible business outcomes for brands and advertisers.

Smartly is the only company in the industry recognized as a Leader in The Forrester Wave: Creative Advertising Technologies with PwC validating the results it delivers for brands. We manage creative and media for 700+ brands worldwide and $6B in ad spend across the largest media platforms, including Facebook, Google, Instagram, Pinterest, Snap, and TikTok. Our end-to-end technology, unmatched access to media platforms and exceptional customer service help Fortune 500 brands to reach and engage consumers and learn what performs best.Smartly is a multinational and diverse team of 750+ Smartlies from 60+ nationalities, working in 13 countries. Together, we want to create and maintain an inclusive environment where everyone feels respected and heard. Our Diversity, Equity & Inclusion approach is at the heart of it.

Visit Smartly to learn more.


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