Sr Software Engineer

About the Role 

We are seeking a highly skilled AI Application Backend Developer with strong expertise in Python and Google Cloud Platform (GCP) to design build and scale AI-driven backend systems. 

This role focuses on developing production-grade AI applications building scalable APIs integrating LLMs and ML models and deploying cloud-native solutions on GCP. You will collaborate closely with AI engineers data scientists frontend developers and DevOps teams to deliver intelligent reliable and high-performance backend services. 

The ideal candidate has hands-on experience in building AI-enabled systems using modern Python frameworks and cloud infrastructure with strong knowledge of distributed systems and scalable architecture. 

Key Responsibilities 

AI Application Development 

• Design and develop backend services to power AI-driven applications. 
• Integrate Large Language Models (LLMs) ML models or AI services into production systems. 
• Build RESTful APIs and microservices using Python frameworks (FastAPI Flask Django). 
• Implement RAG (Retrieval-Augmented Generation) pipelines and AI orchestration workflows where applicable. 
• Optimize AI inference performance latency and reliability. 

Cloud & Infrastructure (GCP) 

• Design and deploy AI backend services on Google Cloud Platform (GCP). 
• Work with GCP services such as: 
  • BigQuery 
  • Cloud Run 
  • Cloud Functions 
  • Compute Engine 
• GKE (Kubernetes Engine) 
• Cloud Storage 
• Vertex AI (preferred) 
• Ensure scalability monitoring and fault tolerance of cloud applications. 
• Implement IAM policies security best practices and environment isolation. 

Data & Integration 

• Develop data pipelines to support AI models and analytics workflows. 
• Integrate backend systems with third-party APIs and enterprise applications. 
• Work with SQL and NoSQL databases (PostgreSQL MySQL MongoDB BigQuery). 
• Handle data validation transformation and preprocessing logic. 

DevOps & CI/CD 

• Containerize applications using Docker. 
• Deploy and manage services using Kubernetes (GKE preferred). 
• Implement CI/CD pipelines (GitHub Actions Cloud Build Jenkins). 
• Monitor application health and performance using logging and observability tools. 

Collaboration & Engineering Excellence 

• Participate in Agile/Scrum ceremonies. 
• Write clean maintainable well-documented code. 
• Conduct peer code reviews. 
• Troubleshoot and debug production issues. 
• Contribute to architectural decisions and continuous improvement. 

Technical Skill Set 

Programming 

• Python (Advanced) 
• SQL 

Frameworks 

• FastAPI / Flask / Django 
• Async programming (asyncio) 

Cloud 

• Google Cloud Platform (GCP) 
• Vertex AI (preferred) 
• BigQuery 
• Cloud Run / GKE 

DevOps 

• Docker 
• Kubernetes 
• CI/CD pipelines 
• Git 

AI/ML 

• LLM integrations 
• RAG pipelines 
• Prompt engineering basics 
• Embedding & vector databases (Pinecone FAISS etc.) 

. 

Qualifications :

Required Qualifications 

• Bachelors or Masters degree in Computer Science Engineering or related field. 
• 4 years of backend development experience. 
• Strong proficiency in Python. 
• Hands-on experience with GCP cloud services. 
• Experience building scalable backend systems and APIs. 
• Knowledge of microservices architecture. 
• Strong understanding of REST APIs and asynchronous programming. 
• Experience with SQL-based databases. 
• Familiarity with containerization (Docker) and cloud-native deployment. 
• Strong analytical and problem-solving skills

Preferred Qualifications 

• Experience with AI/ML frameworks (LangChain Hugging Face TensorFlow PyTorch). 
• Experience with Vertex AI or GCP AI services. 
• Experience building LLM-based applications (RAG Agents embeddings). 
• Experience with message queues (Pub/Sub Kafka). 
• Knowledge of MLOps best practices. 
• GCP certification (Professional Cloud Developer / Data Engineer / ML Engineer). 
• Experience in high-scale enterprise-grade AI systems.

Additional Information :

Dont meet every single requirement At Mattel we are dedicated to an inclusive workplace and a culture of belonging. If youre excited about this role but your past experience doesnt align perfectly with every qualification in the job description we still encourage you to apply. You may be just the right candidate for this or other roles.

How We Work:
We are a purpose driven company aiming to empower generations to explore the wonder of childhood and reach their full potential. We live up to our purpose employing the following behaviors:

• We collaborate: Being a part of Mattel means being part of one team with shared values and common goals. Every person counts and working closely together always brings better results. Partnership is our process and our collective capabilities is our superpower.
• We innovate: At Mattel we always aim to find new and better ways to create innovative products and experiences. No matter where you work in the organization you can always make a difference and have real impact. We welcome new ideas and value new initiatives that challenge conventional thinking.
• We execute: We are a performance-driven company. We strive for excellence and are focused on pursuing best-in-class outcomes. We believe in accountability and ownership and know that our people are at their best when they are empowered to create and deliver results.

Our Approach to Flexible Work:
We embrace a flexible work model designed to empower a culture of growth optimism and wellbeing where every employee can reach their full potential. Combining purposeful in-person collaboration with flexibility our focus is to optimize performance and drive connection for moments that matter.

Who We Are:
Mattel is a leading global toy and family entertainment company and owner of one of the most iconic brand portfolios in the world. We engage consumers and fans through our franchise brands including Barbie Hot Wheels Fisher-Price American Girl Thomas & Friends UNO Masters of the Universe Matchbox Monster High MEGA and Polly Pocket as well as other popular properties that we own or license in partnership with global entertainment companies. Our offerings include toys content consumer products digital and live experiences. Our products are sold in collaboration with the worlds leading retail and ecommerce companies. Since its founding in 1945 Mattel is proud to be a trusted partner in empowering generations to explore the wonder of childhood and reach their full potential.

Mattels award-winning workplace culture has been recognized by Forbes Fast Company Newsweek Great Place to Work TIME and more.

Visit us at  is an Equal Opportunity Employer where we want you to bring your authentic self to work every day. We welcome all job seekers and all applicants will receive consideration for employment.

Videos to watch:
The Culture at Mattel
Corporate Philanthropy

Remote Work :

No

Employment Type :

Full-time