Senior Software Engineer, Meta

Smartly; Deutschland; Hybrid; EUR 90.000 - 130.000; Vollzeit

Zusammenfassung

Smartly in Germany seeks a Senior Software Engineer to design and evolve high-volume advertising workflows powering Meta Workspaces. You’ll work across the full stack, own significant technical initiatives, and help shape architecture for reliable, scalable systems.

You will collaborate with product, design, infrastructure, data, and engineering teams to deliver features that automate campaigns at scale. You’ll contribute to integrations with the Meta Marketing API and improve observability,

Qualifikationen

• Experience shipping production software as backend or full-stack engineer.
• Proficient with TypeScript and Node.js.
• Experience with relational DBs, APIs, cloud infra, distributed systems.
• Ability to design and operate scalable production services.
• Strong English communication.

Aufgaben

• 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 to access new platform capabilities.
• Develop and operate systems that process high volumes of advertising operations with reliability and performance.
• Own high-impact features from discovery and API design through implementation and rollout.
• Collaborate with product, design, infrastructure, data, and engineering teams to deliver reliable solutions.
• Improve scalability, reliability, performance, and observability of services under production load.
• Design robust APIs and integrations for automation and workflow-driven products.
• Explore AI-enabled tools to improve engineering workflows and developer productivity.
• Mentor engineers and raise the bar for testing, monitoring, and operational excellence.

Kenntnisse

TypeScript

Node.js

Distributed systems

APIs

Cloud infrastructure

Relational databases

Software design

Mentoring

English communication

Tools

PostgreSQL

React

Kubernetes

Kafka

BullMQ

Playwright

Observability tooling

Jobbeschreibung

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, code quality, and operational excellence.

What We Are Looking For

• 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.

Relevant technologies for this team include TypeScript, Node.js, PostgreSQL, React, Playwright, Jotai, Kafka, BullMQ, Kubernetes, distributed tracing and observability tooling, and modern testing frameworks. We don’t expect experience with every technology listed, but we value engineers who enjoy learning new technologies and working across different parts of the stack.

What We Offer You

• 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.

At Smartly, we offer a place where you can advance your career. Here, you’ll find:

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 …