Senior Software Engineer (AI Platform)

Smartly; Helsinki; Hybrid; EUR 65,000 - 90,000; Full time

Benefits offered by this job

Generous healthcare packages

Mental health services

Paid holidays and family leave

Equity options

Career development opportunities

Job summary

An AI-powered advertising technology company in Helsinki seeks a Senior Software Engineer to join their AI Platform team. The role involves designing and maintaining backend services, mentoring, and collaborating across teams to deliver impactful solutions. Candidates should have strong Python skills and experience with cloud infrastructure. The company offers a hybrid work model, competitive compensation, and a focus on wellbeing and inclusive culture.

Qualifications

• 5+ years of experience developing and deploying production-quality software.
• 2+ years of experience working with cloud infrastructure such as AWS or GCP.
• Experience with Node.js, React, TypeScript is a plus.
• Hands-on experience with modern ML frameworks is a plus.
• Experience developing and maintaining services under SLA.

Responsibilities

• Design, build and maintain backend services for campaign optimization products.
• Support data scientists in bringing machine learning models to production.
• Mentor on software development practices and propagate best practices.

Skills

Python

Cloud infrastructure (AWS or GCP)

Node.js

React

TypeScript

ML frameworks (e.g., PyTorch, TensorFlow)

MLOps concepts and tools (e.g., MLflow, Kubeflow)

Analytical mindset

Strong communication skills

Education

M.Sc. in a relevant field

Tools

Docker

Kubernetes

Job description

Join to apply for the Senior Software Engineer (AI Platform) role at Smartly. We are looking for a Senior Software Engineer to join the AI Platform Team at Smartly! Our team works on helping marketers make the most of their ad creatives (images, video, text) and campaigns (product and performance data). We build and experiment with AI-based solutions across the media and creative workflows. You will have the opportunity to take ownership of and work on high impact projects.

Join us in building high impact ML-based solutions to help our customers build better and more effective advertising experiences for their consumers. If you’re a growth minded individual who has a passion for ML and the marketing space, this team is for you!

We use Python, TypeScript, PostgreSQL, Node.js, Docker and Kubernetes for our microservices, TypeScript and React in the frontend of our products.

Here’s What You’ll Do

• Design, build and maintain backend services that sit at the core of Smartly.io’s campaign optimization products.
• Be a core contributor of our team and our ways of working to build high impact products. You’ll actively be involved in work planning, retrospectives, and overall team improvement.
• Support data scientists in bringing machine learning models to production.
• Mentor your team on software development practices and propagate best practices like testing, monitoring, or clean code.
• Use your skills and experience to continuously improve our software architecture, coding practices, tools, and processes.
• Work with our stakeholders - be they product, engineering, infrastructure - to ensure we meet customers where they are. Being able to translate business/product needs to viable solutions is a must.
• Apply and enhance your soft skills through working closely with your colleagues and our customers. Doing knowledge shares, running productive meetings, and pair programming/debugging are just some ways we grow our soft skills.
• Impact the daily life of the staff of the hundreds of advertisers using Smartly.

Here’s What We’re Looking For

• We’re seeking an experienced Software Engineer with strong Python skills.
• 5+ years of experience developing and deploying production-quality software.
• 2+ years of experience working with cloud infrastructure such as AWS or GCP.
• Experience with Node.js, React, TypeScript is a plus.
• Hands‑on experience with modern ML frameworks (e.g., PyTorch, TensorFlow) is a plus.
• Knowledge of MLOps concepts and tools (e.g., MLflow, Kubeflow) is a plus.
• Experience developing and maintaining services under SLA.
• Analytical mindset with a problem‑solving approach.
• Passion for solving customer challenges quickly while making thoughtful architectural decisions.
• Adaptability and resilience when facing new or ambiguous challenges.
• Strong written and verbal communication skills in English.
• Ability to work 3 days / week at our office.
• M.Sc. in a relevant field is preferred.

What We Offer You

• Inclusive Culture: Join a team of over 750 Smartlies representing more than 60 nationalities across 24 locations in 13 countries, we foster a culture built on trust, transparency, and open feedback.
• Global Impact: Be part of a company making a global impact, directly influencing our customers and business growth.
• Wellbeing Focus: Enjoy generous healthcare packages, mental health services, and a healthy work‑life balance with paid holidays and family leave.
• Total Rewards: Benefit from equity options, performance‑based rewards, competitive compensation, and ample career development opportunities.
• Hybrid Workplace: Experience the flexibility of a hybrid work model, balancing office and remote work, with the option to work abroad for up to 30 days.

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 business outcomes for brands and advertisers.

Smartly is the only company in the industry recognized as a Leader in The Forrester Wave: Creative Advertising Technologies with PwC validating the results it delivers for brands. We manage creative and media for 700+ brands worldwide and $6B in ad spend across the largest media platforms, including Facebook, Google, Instagram, Pinterest, Snap, and TikTok. Our end‑to‑end technology, unmatched access to media platforms and exceptional customer service help Fortune 500 brands reach and engage consumers and learn what performs best.

Smartly is a multinational and diverse team of 750+ Smartlies from 60+ nationalities, working in 13 countries. Together, we want to create and maintain an inclusive environment where everyone feels respected and heard. Our Diversity, Equity & Inclusion approach is at the heart of it.

Visit Smartly to learn more.

Seniority level

Not Applicable

Employment type

Full-time

Job function

Engineering and Information Technology

Industries

Advertising Services

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