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About Codeway:
We build and publish mobile apps that reach millions — fast.
Our track record includes category-leading apps like Cleanup (#1 iPhone storage cleaner worldwide), Retake AI (#1 AI face editing app in the US), and Learna AI (top AI language learning app globally), along with 50+ other apps across productivity, edtech, wellness, and entertainment sectors, shaping the future of consumer mobile.
Founded in 2020 in Istanbul, we've grown into a 300+ person global team with over 400 million downloads worldwide. As one of Europe's fastest-growing consumer tech companies, we're expanding into Barcelona.
About the Role:
We are seeking an experienced Software Engineer to integrate our diffusion model and other cutting-edge AI research into production systems. The role involves a 30/70 split between AI and infrastructure work, focusing on scaling GPU-intensive workloads seamlessly in production environments.
Key Responsibilities:
* Deploy and optimize proprietary diffusion models in production
* Design and maintain large-scale GPU-based services on Google Cloud Platform
* Build containerized inference pipelines using Docker and Kubernetes on GCP
* Develop backend systems integrating PyTorch models with production infrastructure
* Implement real-time data pipelines using Google Firestore and other GCP services
* Monitor, profile, and optimize GPU workload performance at scale
* Collaborate with AI researchers to translate research into production systems
Qualifications:
* Experience in software/infrastructure development focused on AI/ML systems
* Proficiency with Google Cloud Platform services (Compute Engine, GKE, Cloud Storage, etc.)
* Expert-level Python skills with hands-on experience in PyTorch
* Experience with Docker and Kubernetes for containerized GPU inference on GCP
* Track record of building and maintaining large-scale GPU-based services
* Experience with NoSQL databases like Google Firestore
* Understanding of GPU optimization techniques and distributed computing
Nice to Have:
* Experience with diffusion models or generative AI systems
* Experience in observability, monitoring, and performance tuning for GPU-heavy services
What We Offer:
* The chance to work with a passionate international team building category-defining products
* Full-time contract with competitive salary
* Private health insurance, generous meal card
* Full visa & relocation support for Barcelona
* Annual learning & development budget
* Wellness perks, including sports or online psychologist consultations
* Free access to Codeway’s suite of apps
* A modern office in the city center
Our Hiring Process:
* Application → HR Interview → Case Study → Technical Interview → General Manager Interview → Offer
Seniority level: Not Applicable
Employment type: Full-time
Job function: Engineering and Information Technology
Industries: Software Development
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