Senior Software Engineer, Meta

Responsibilities

• Design, build, and maintain backend services and full-stack product capabilities at the core of Smartly's Meta Workspaces.
• Build and maintain integrations with the Meta Marketing API, enabling customers to access new platform capabilities and manage advertising workflows through Smartly.
• Develop and operate systems that process high volumes of advertising operations and data while maintaining strong reliability, performance, and scalability characteristics.
• Own high-impact features from product discovery and API design through implementation, testing, rollout, and iteration.
• Collaborate with product, design, infrastructure, data, and engineering teams to turn business needs into reliable technical solutions.
• Improve the scalability, reliability, performance, and observability of services operating under real production load.
• Design robust APIs, service boundaries, and integrations that support complex automation and workflow-driven products.
• Explore practical ways to use AI-enabled tools to improve engineering workflows, developer productivity, and the quality of team delivery.
• Mentor other engineers and help raise the bar for testing, monitoring, code quality, and operational excellence.

Requirements

• Strong experience building and shipping production software as a backend or full-stack engineer.
• Professional experience with TypeScript and Node.js.
• Practical experience with relational databases, APIs, cloud infrastructure, and distributed systems.
• Experience designing, operating, and scaling production services with demanding reliability, performance, and availability requirements.
• Ability to make thoughtful technical decisions in ambiguous situations and balance quality, speed, and long-term maintainability.
• Experience collaborating across functions and contributing to technical discussions that shape product and engineering outcomes.
• Strong written and verbal communication skills in English.
• Curiosity about emerging AI capabilities and willingness to explore opportunities to improve products, workflows, and developer productivity through AI.
• Ability to work effectively in a hybrid setup, including three days per week in our Helsinki office.
• 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

Benefits

Additional Information

Meta Workspaces is a core product area at Smartly, helping advertisers manage, automate, and scale campaigns on Meta through Smartly. The team builds customer-facing experiences, automation capabilities, and integrations with the Meta Marketing API, enabling customers to access platform capabilities efficiently and operate at scale. As a Senior Software Engineer, you will help design and evolve systems that power high-volume advertising workflows used by customers around the world. You will work across the full stack, own significant technical initiatives, and help shape the architecture of reliable, high-performance systems. You will collaborate closely with product managers, designers, and engineers to deliver features that directly impact how customers manage and automate their advertising operations.

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