Senior Quality Engineer

Smartly

We’re looking for a Senior Fullstack Engineer to join Smartly and help shape the future of our multi-channel advertising platform. You’ll be working on expanding Smartly into both new and existing advertising channels. Depending on the team, this can mean greenfield development of new integrations or evolving and scaling established ones like Pinterest. While we can’t share all the details yet, this is a highly strategic area for the company with strong leadership visibility and direct revenue impact. Whether you’re building something new or improving existing integrations, the work goes beyond incremental changes. You’ll be building new capabilities, improving existing ones, and helping shape how different channels are integrated into our platform at scale. In this role, you’ll design systems that power automation for some of the world’s largest advertisers. You’ll work closely with partners like Google, Reddit and Spotify, building deeply integrated solutions that enable customers to launch, optimize, and iterate campaigns efficiently. You’ll also have the opportunity to explore how AI and automation shape the future of ad tech, and turn those ideas into production-grade systems. This role is about ownership and technical influence. You’ll contribute to architectural direction, make trade-offs that balance scalability and product needs, and collaborate across teams to create a unified platform experience across channels. We’re hiring for multiple positions across a range of seniority levels, and we’ll align the role scope and level based on each candidate’s experience during the hiring process. Our tech stack * Backend: Node.js, TypeScript * Frontend: React, TypeScript * Infrastructure: PostgreSQL, RabbitMQ, Redis, Kubernetes * Architecture: Distributed systems, event-driven services, large-scale data processing WHAT YOU’LL DO * Own the design and implementation of new platform integrations end-to-end * Design and operate distributed, data-intensive systems and microservices at scale * Build automation systems that process large volumes of campaign and performance data * Develop and evolve client-facing APIs and backend services * Drive architectural decisions and contribute to long-term technical direction * Work across teams to align on shared patterns and unify channel behavior within the platform * Partner closely with product and design to shape solutions, not just implement them * Mentor other engineers and raise the bar for engineering quality and practices WHAT WE’RE LOOKING FOR * Strong experience building and operating production-grade systems with Node.js and TypeScript * Solid frontend experience with React and modern web development practices * Experience designing distributed systems and working with asynchronous, event-driven architectures * Proven ability to build scalable systems that handle high data volumes * Ability to take ownership of complex problems and drive them from concept to production * Strong collaboration skills and experience working across teams and disciplines * Interest in mentoring and contributing to team-level engineering practices * Ability and willingness to work in a hybrid setup from our Helsinki office (3 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

We are looking for a Senior Software Engineer to join the AI Platform Team at Smartly! Our team works on helping marketers make the most of their ad creatives (images, video, text) and campaigns (product and performance data). We build and experiment with AI-based solutions across the media and creative workflows.You will have the opportunity to take ownership of and work on high impact projects. Join us in building high impact ML-based solutions to help our customers to build better and more effective advertising experiences for their consumers. If you’re a growth minded individual who has a passion for ML and the marketing space, this team is for you! We use Python, TypeScript, PostgreSQL, Node.js, Docker and Kubernetes for our microservices, TypeScript and React in the frontend of our products. HERE'S WHAT YOU'LL DO... * Design, build and maintain backend services that sit at the core of Smartly.io’s campaign optimization products. * Be a core contributor of our team and our ways of working to build high impact products. You’ll actively be involved in work planning, retrospectives, and overall team improvement. * Support data scientists in bringing machine learning models to production. * Mentor your team on software development practices and propagate best practices like testing, monitoring, or clean code. * Use your skills and experience to continuously improve our software architecture, coding practices, tools, and processes. * Work with our stakeholders - be them product, engineering, infrastructure - to ensure we meet customers where they are. Being able to translate business/product needs to viable solutions is a must. * Apply and enhance your soft skills through working closely with your colleagues and our customers. Doing knowledge shares, running productive meetings, and pair programming/debugging are just some ways we grow our soft skills. * Impact the daily life of the staff of the hundreds of advertisers using Smartly HERE'S WHAT WE'RE LOOKING FOR... * We’re seeking an experienced Software Engineer with Strong Python skills * 5+ years of experience developing and deploying production-quality software * 2+ years of experience working with cloud infrastructure such as AWS or GCP * Experience with NodeJS, React, TypeScript is a plus * Hands-on experience with modern ML frameworks (e.g., PyTorch, TensorFlow) is a plus * Knowledge of MLOps concepts and tools (e.g., MLflow, Kubeflow) is a plus * Experience developing and maintaining services under SLA * Analytical mindset with a problem-solving approach * Passion for solving customer challenges quickly while making thoughtful architectural decisions * Adaptability and resilience when facing new or ambiguous challenges * Strong written and verbal communication skills in English * Ability to work 3 days / week at our office * M.Sc. in a relevant field is preferred 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: Experience the flexibility of a hybrid work model, balancing office and remote work, with the option to work abroad for up to 30 days. Smartly is committed to being the best place to work for growth-minded individuals to thrive. Explore more in our Culture Handbook! #LI-hybrid #LI-JF2   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

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.