Senior Software Engineer (AI Platform)

Smartly

As a Senior Fullstack Engineer in Team Autopsy, you will build automation and optimization capabilities that help our customers save time, improve campaign performance, and reduce the manual work required to manage advertising campaigns at scale. Team Autopsy owns several core services at the heart of the Smartly platform, including Triggers, Ad Rotation, Smartly Actions, and Action Router. These systems enable customers to automate campaign management, optimize advertising performance, and reliably execute changes across multiple media platforms. As an independent fullstack team operating in the middle of the Smartly product ecosystem, we work closely with product managers, designers, and engineering teams across the company to deliver scalable solutions that create customer value. Our technology stack includes TypeScript, Node.js, NestJS, Koa, PostgreSQL, Redis, Kubernetes, and React. We are a data-heavy team and rely extensively on strong typing and shared TypeScript definitions that support development across Smartly. WHAT YOU WILL DO * Design, build, and maintain backend services and frontend applications that power campaign automation and optimization features. * Contribute to technical and architectural decisions that improve scalability, reliability, and developer experience. * Develop and evolve services such as Triggers, Ad Rotation, Smartly Actions, and Action Router. * Collaborate with product managers, designers, and engineers across teams to deliver solutions that address customer needs. * Own projects from planning through implementation, balancing short-term requirements with long-term maintainability. * Improve system quality through automated testing, monitoring, and continuous improvement of engineering practices. * Mentor engineers through code reviews, knowledge sharing, and technical collaboration. * Help shape Smartly’s target architecture by contributing to cross-team initiatives and platform improvements. WHAT WE ARE LOOKING FOR * Strong experience building backend services with TypeScript and Node.js. * Experience developing modern React applications using TypeScript. * Solid understanding of distributed systems, APIs, microservice architectures, and cloud-native development practices. * Experience writing and maintaining unit, integration, and end-to-end tests using tools such as Jest. * Ability to independently drive projects from problem definition through delivery. * Strong communication and collaboration skills, with experience working across multiple teams and functions. * A mindset focused on customer value, pragmatic problem solving, and continuous improvement. * Interest in mentoring and supporting the growth of other engineers. * Ability and willingness to work from our Helsinki office three days per week. WHAT WE OFFER YOU At Smartly, we offer a place where you can advance your career. Here, you'll find: An Inclusive Global Culture: Join a team of over 750 Smartlies, representing more than 60 nationalities across 24 locations in 13 countries. We cultivate a culture built on trust, transparency, and open feedback, where diverse perspectives are valued and encouraged. Global Impact: Contribute to a company making a global impact, directly influencing our customers' success and business growth. Focus on Wellbeing: We prioritize your health with healthcare packages, mental health services, and a commitment to work-life balance through paid holidays and family leave. Comprehensive Rewards: Benefit from equity options, performance-based rewards, competitive compensation, and career development opportunities. Flexible Hybrid Workplace: Experience a hybrid work model, balancing office collaboration with remote work, and the option to work abroad for up to 30 days annually. Apply Now and Build Your Future with Smartly! Curious what it’s like to work at Smartly? Visit our Careers page to see how we grow, collaborate, and make impact together. #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.

Smartly

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.

Smartly

Team Duplo is looking for a Senior Software Engineer to help shape the customer experience across Smartly. You'll work on customer onboarding, dashboards, and Design System adoption, helping create a consistent and intuitive experience across our platform. As part of the Platform Functionality (Media) product group, you'll collaborate closely with engineers, designers, and product partners to improve how customers discover value in Smartly and become long-term successful users. WHAT YOU WILL DO * Extend and maintain Smartly's Design System library to support consistent user experiences across the platform. * Partner with designers to improve UI development workflows, tooling, and collaboration practices. * Drive Design System adoption across existing product areas by improving shared components and implementation patterns. * Own and improve frontend build, release, and deployment processes to support reliable development and delivery. * Develop customer-facing features that support onboarding, product adoption, and customer success outcomes. * Contribute to frontend architecture decisions, ensuring maintainable, scalable, and high-quality solutions. * Work across the Smartly application to surface insights, recommendations, notifications, and alerts that improve customer experience. * Collaborate with engineers, product managers, designers, and your Engineering Manager to deliver technical excellence and business impact. WHAT WE ARE LOOKING FOR * Strong experience building modern web applications using React and TypeScript. * Experience designing and maintaining reusable UI component libraries or Design Systems. * Ability to own features and technical initiatives from design through implementation and release. * Solid understanding of frontend architecture, performance, accessibility, and maintainability best practices. * Experience working with testing frameworks such as Vitest, React Testing Library, or similar tools. * Familiarity with backend development using Node.js and TypeScript. * Strong collaboration skills and the ability to work effectively with designers, product managers, and engineers. * A pragmatic approach to problem-solving and continuous improvement of engineering practices. WHAT WE OFFER YOU At Smartly, we offer a place where you can advance your career. Here, you'll find: An Inclusive Global Culture: Join a team of over 750 Smartlies, representing more than 60 nationalities across 24 locations in 13 countries. We cultivate a culture built on trust, transparency, and open feedback, where diverse perspectives are valued and encouraged. Global Impact: Contribute to a company making a global impact, directly influencing our customers' success and business growth. Focus on Wellbeing: We prioritize your health with healthcare packages, mental health services, and a commitment to work-life balance through paid holidays and family leave. Comprehensive Rewards: Benefit from equity options, performance-based rewards, competitive compensation, and career development opportunities. Flexible Hybrid Workplace: Experience a hybrid work model, balancing office collaboration with remote work, and the option to work abroad for up to 30 days annually. Apply Now and Build Your Future with Smartly! Curious what it’s like to work at Smartly? Visit our Careers page to see how we grow, collaborate, and make impact together #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.