Description
Summary:
As a Senior Fullstack Engineer, you will build and optimize a multi-tenant SaaS platform, shaping frontend and backend systems to deliver seamless, data-driven experiences.
Highlights:
1. Build and optimize a multi-tenant SaaS platform
2. Influence product decisions and impact business outcomes
3. Work with people who care in a high-impact environment
**About us**
AgileEngine is an Inc. 5000 company that creates award\-winning software for Fortune 500 brands and trailblazing startups across 17\+ industries. We rank among the leaders in areas like application development and AI/ML, and our people\-first culture has earned us multiple Best Place to Work awards.
If you're looking for a place to grow, make an impact, and work with people who care, we'd love to meet you!
**About the role**
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.
**What you will do**
* 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.
**Must haves**
* **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.
**Important:** *after confirming your application on this platform, you’ll receive an email with the next step: completing your application on our internal site, LaunchPod. So keep an eye on your inbox and don’t miss this step — without it, the process can’t move forward.*
**Perks and benefits**
* **Professional growth:** Accelerate your professional journey with mentorship, TechTalks, and personalized growth roadmaps.
* **Competitive compensation:** We match your ever\-growing skills, talent, and contributions with competitive USD\-based compensation and budgets for education, fitness, and team activities.
* **A selection of exciting projects:** Join projects with modern solutions development and top\-tier clients that include Fortune 500 enterprises and leading product brands.
* **Flextime:** Tailor your schedule for an optimal work\-life balance, by having the options of working from home and going to the office, whatever makes you the happiest and most productive.
Job Type: Full\-time
Work Location: Remote