Smartly

Technology

SeniorSoftwareEngineer

€65–95k ~AI est. Helsinki, Uusimaa, Finland FULL TIME Remote Friendly
Market Sentiment
HIGH DEMAND

Neural analysis suggests this role is
optimal for Senior candidates.

The Brief

“Senior Software Engineer at Smartly. Skills: Full-stack development, Backend services, API design, System architecture. Design backend services. Build backend services”

Industry & Context.

Technology
Problems you'll solve

Technical decisions

Eligibility Requirements

Three days per week in office

What They're Looking For.

Must Have

Experience building production software, Professional experience with TypeScript, Professional experience with Node.js, Practical experience with relational databases, Practical experience with APIs, Practical experience with cloud infrastructure, Practical experience with distributed systems, Experience scaling production services, Ability to make thoughtful technical decisions, Experience collaborating across functions, Written communication skills in English, Verbal communication skills in English

Nice to Have

Experience with every technology listed, Curiosity about emerging AI capabilities, Willingness to explore AI opportunities

What You'll Do.

Design backend services

Build backend services

Maintain backend services

Build product capabilities

Maintain product capabilities

Build integrations with Meta Marketing API

Maintain integrations with Meta Marketing API

Develop systems processing advertising operations

Operate systems processing advertising operations

Own high-impact features

Collaborate with product teams

Collaborate with design teams

Collaborate with infrastructure teams

Collaborate with data teams

Collaborate with engineering teams

Improve scalability of services

Improve reliability of services

Improve performance of services

Improve observability of services

Design service boundaries

Explore AI-enabled tools

Mentor other engineers

Raise bar for testing

Raise bar for monitoring

Raise bar for code quality

Raise bar for operational excellence

How You'll Work.

Team & Collaboration

Product managers; Designers; Engineers; Infrastructure teams; Data teams; Cross-functional teams

Communication Scope

Written communication; Verbal communication

Process & Methodology

Product discovery

Full Job Description

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. What You Will Do 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, c

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