Senior Software Engineer, Meta at Smartly | AdTechTalent
Engineering3 months agoRemote
Smartly
Senior Software Engineer, Meta
TypeScriptNode.jsPostgreSQLReactKafkaKubernetesdistributed systemsAPI designfull-stackbackendadvertising technologyMeta Marketing APIautomationAIsoftware engineeringhybrid work
Key details
Salary
Not specified
Employment type
Full-time
Seniority
Senior
Years experience
5-10
Location
Helsinki, Finland
Full job description
Meta Workspaces at Smartly develops customer-facing experiences and integrations with the Meta Marketing API for managing advertising campaigns. The Senior Software Engineer will design and evolve backend and full-stack systems supporting high-volume advertising workflows globally. Responsibilities include building backend services, maintaining Meta API integrations, ensuring system reliability and scalability, owning feature development from design to rollout, collaborating cross-functionally, improving system observability, designing APIs, exploring AI tools for engineering productivity, and mentoring engineers. Required qualifications include strong backend or full-stack production software experience, proficiency in TypeScript and Node.js, experience with relational databases, APIs, cloud infrastructure, distributed systems, and production service scaling. Candidates must have strong communication skills in English, curiosity about AI, and ability to work hybrid with three days per week onsite in Helsinki. Technologies used include TypeScript, Node.js, PostgreSQL, React, Kafka, Kubernetes, and observability tools. Benefits include healthcare, equity, paid leave, flexible hybrid work, and career development.
What you'll do
Design, build, and maintain backend services and full-stack product capabilities
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Build and maintain integrations with the Meta Marketing API
Develop and operate systems that process high volumes of advertising operations and data with reliability, performance, and scalability
Own high-impact features from product discovery through implementation, testing, rollout, and iteration
Collaborate with product, design, infrastructure, data, and engineering teams to deliver reliable technical solutions
Improve scalability, reliability, performance, and observability of services under production load
Design robust APIs, service boundaries, and integrations supporting complex automation and workflow-driven products
Explore AI-enabled tools to improve engineering workflows and developer productivity
Mentor other engineers and raise standards 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 the Helsinki office
Inclusive global culture with diverse perspectivesGlobal impact on customers' success and business growthHealthcare packages and mental health servicesWork-life balance with paid holidays and family leaveEquity options and performance-based rewardsCompetitive compensation and career development opportunitiesFlexible hybrid workplace with option to work abroad for up to 30 days annually
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