Back End Developer
QTLoads is hiring a Senior Backend Engineer to own their Python-based core API in a B2B SaaS context. The role involves managing a modular monolith using FastAPI, async SQLAlchemy, and PostgreSQL, with a heavy emphasis on system correctness and state management. You will define engineering patterns, enforce architectural boundaries, and implement core business logic across various surfaces. The position requires strong expertise in modern asynchronous Python and advanced database design.
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Experience
5+ years
Function
Engineering
Work mode
Onsite, India
Company
Tier 2
What you will work on
QTLoads is hiring a Senior Backend Engineer to own their Python-based core API in a B2B SaaS context. The role involves managing a modular monolith using FastAPI, async SQLAlchemy, and PostgreSQL, with a heavy emphasis on system correctness and state management. You will define engineering patterns, enforce architectural boundaries, and implement core business logic across various surfaces. The position requires strong expertise in modern asynchronous Python and advanced database design.
TAL's take
Clear and well-defined engineering role with a focused tech stack in a stable-sounding mid-tier environment.
The JD is highly specific regarding the tech stack, architectural patterns, and expected engineering quality.
Must haves
- 5+ years building Python backends in production
- Deep on FastAPI, Pydantic v2, async SQLAlchemy 2.0
- Strong PostgreSQL fluency including query plans and transaction semantics
- Disciplined approach to state machines and idempotency
- Ability to derive business rules from existing behavior
Tools and skills
Nice to have: timescaledb, domain-driven design.
About the company
unfamiliar company, default mid-tier