Senior Backend Engineer

2 days ago

Chennai, Tamil Nadu, India Weekday AI Full time ₹ 4,00,000 - ₹ 12,00,000 per year

This role is for one of the Weekday's clients

Location: Bengaluru, Chennai, Hyderabad, Pune

JobType: full-time

Requirements

What Success Looks Like (First 3–6 Months):

  • Build and scale high-performance backend services and APIs using Python and FastAPI.
  • Design modular, extensible microservices that integrate seamlessly with distributed systems.
  • Take ownership of performance, scalability, and fault tolerance for services handling millions of time series data points.
  • Optimize data ingestion, transformation, and orchestration pipelines.
  • Collaborate closely with frontend, ML, and infrastructure teams to deliver stable, production-grade services.
  • Contribute to system design discussions, code reviews, and technical decision-making.

Tech Stack You'll Work With:

  • Languages: Python (primary), SQL
  • Frameworks: FastAPI, Flask (secondary), asyncio
  • Infrastructure / Tooling: Docker, Kubernetes, GitHub Actions, Airflow
  • Data / Workflow: Kafka, Postgres, Redis, Celery
  • Testing / CI/CD: Pytest, unit and integration testing frameworks

What We're Looking For:

Must-Haves:

  • 4–8 years of experience in backend product engineering.
  • Strong expertise in Python and FastAPI (or similar frameworks).
  • Solid fundamentals in data structures, algorithms, and system design.
  • Proven experience building scalable, production-grade REST APIs.
  • Hands-on experience with Docker, CI/CD pipelines, and microservice architectures.
  • Strong SQL and data modeling skills.
  • Familiarity with async programming and performance optimization.

Nice-to-Haves:

  • Exposure to distributed compute frameworks like Spark, Dask, or Ray.
  • Experience with Kubernetes, AWS/GCP, or MLOps-style data pipelines.
  • Prior work in enterprise-scale SaaS or data platforms.

Why Join:

  • Build core backend systems powering global enterprise AI platforms.
  • Collaborate in a high-agency environment with top-tier engineering peers.
  • Work in a fast-scaling company solving high-impact technical challenges.
  • Opportunity for end-to-end ownership and growth into system design or tech lead roles.

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