Full Stack Engineer (Senior) ID52039

AgileEngine • Downey, CA

25d • Hybrid

About The Position

As a Senior Fullstack Engineer, you’ll build and optimize a multi-tenant SaaS platform, shaping both frontend and backend systems to deliver seamless, data-driven experiences. You’ll work with modern cloud technologies, influence product decisions, and directly impact performance, scalability, and business outcomes in a fast-paced, high-impact environment.

Requirements

• 2+ years building production full stack systems
• Strong in Python and SQL
• Familiar with GCP or AWS
• Strong in React with experience building real SaaS dashboards
• Multi-tenant SaaS experience
• Comfortable shipping features end-to-end without handholding
• Experienced in fast moving startup environments
• Upper-intermediate English level

Responsibilities

• Build a multi-tenant, role-based SaaS UI using React;
• Develop data-heavy views powered by BigQuery;
• Implement high-performance filtering, pagination, and caching;
• Enable secure file downloads using short-lived GCS signed URLs;
• Design and implement backend services and integrations using Python (FastAPI);
• Deploy FastAPI services on Cloud Run;
• Build product endpoints using Cloud Functions;
• Implement authentication and authorization using Firebase;
• Develop production-grade APIs with logging, monitoring, and reliability;
• Write performant BigQuery SQL;
• Design tenant-safe data access patterns;
• Collaborate on dbt models and transformation logic;
• Optimize queries for cost and latency;
• Work with GCP services including BigQuery, Firestore, GCS, Cloud Run, IAM, and Secret Manager;
• Implement infrastructure as code with Terraform;
• Ensure observability, monitoring, and cost awareness;
• Contribute to building a data stack to handle AI agentic workflows.

Benefits

• Professional growth: Mentorship, TechTalks, and personalized growth roadmaps.
• Competitive compensation: USD-based pay with education, fitness, and team activity budgets.
• Exciting projects: Modern solutions with Fortune 500 and top product companies.
• Flextime: Flexible schedule with remote and office options.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed