Senior Software Engineer (Creative Editor)

Smartly · Helsinki

Posted 6/23/2026 · last confirmed live 8/26/2026

Are you an ambitious engineer ready to take on new challenges and grow exceptionally in your career? Join our team Editors as a Senior Software Engineer and be at the forefront of transforming our Creative production tooling ! About the Team: Smartly proudly houses Editor, the creative heart of our platform. We build the engine that brings advertising to life, providing the essential tools for scaling creative post-production through image, video, and HTML templates. Our customers rely on our creative production tooling to design, animate, and scale millions of assets, and your future team will be placed in the center of all of this effort. We are a Helsinki based group of experts passionate about solving high-level frontend challenges. Our squad enables the world's largest brands to turn a single design into a global campaign by mastering complex state management and high-performance canvas-based interactions. We are tech-agnostic at heart but rely heavily on React and TypeScript to build a seamless and powerful design experience. We are constantly looking for ways to improve and are dedicated to taking our product and our craft to the next level. Check out our Engineering at Smartly site to learn how our engineering and product development work. As a Senior Software Engineer, You Will: Own vertical slices of the Editor platform, taking end-to-end responsibility for complex projects from design to deployment. Find the smallest possible increments to deliver value to our customers as quickly as possible. Partner closely with Product and UX to dissect complex requirements into well-designed and well-executed software. Lead technical design decisions and tradeoffs, balancing long-term architecture with immediate product needs. Be a core contributor to our Creative Engineering Group, ensuring our frontend and core packages remain performant and scalable. Act as a mentor and technical guide, elevating the team through constructive code reviews and sharing your expertise. Drive projects forward independently and proactively dispatching roadblocks. What We’re Looking For: Minimum of 6 years of experience in building robust, complex web applications with a mastery of frontend development. Expertise in React and TypeScript, with a deep understanding of state management and performance optimization. Proven ability to drive projects independently, showing persistence and autonomy in the face of technical hurdles. Ambition and eagerness to excel and commitment to continuous growth Excellent spoken and written communication skills in English Strong analytical skills to translate a broad product vision into actionable technical tasks. Motivation for solving customers' problems and delivering value to customers at a fast pace 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 850 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 VP of Engineering. Apply Now and Shape Your Future with Smartly! #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. The processing of your information is described in our Candidate Privacy Notice .

This role is published by Smartly on greenhouse. SwiftFit is not the employer and does not accept applications.