backend developer for advertising campaign automation

Smartly provides a platform with services that help customers automate campaign management, optimize advertising performance, and execute changes across multiple media platforms.

• Design, build, and maintain backend services and frontend applications for campaign automation and optimization
• Contribute to technical and architectural decisions that improve scalability, reliability, and developer experience
• Develop and evolve services including 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
• Contribute to cross-team initiatives and platform improvements that help shape Smartly’s target architecture

• 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 automated unit, integration, and end-to-end tests
• Ability to independently drive projects from problem definition through delivery
• Strong communication and collaboration skills, with experience working across multiple teams and functions
• A customer-value mindset, pragmatic problem-solving skills, and a focus on continuous improvement
• Interest in mentoring and supporting the growth of other engineers
• Ability to work from the Helsinki office 3 days a week
• Будет плюсом: Python experience

• Healthcare packages and mental health services
• Paid holidays and family leave, with a commitment to work-life balance
• Equity options and performance-based rewards
• Competitive compensation and career development opportunities
• Option to work abroad for up to 30 days annually