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Senior Backend Engineer - Core systems
Tech startup based in Bangalore
Senior Backend Engineer - Core systems
Tech startup based in Bangalore 's logo

Senior Backend Engineer - Core systems

at Tech startup based in Bangalore

Agency job
3 - 6 yrs
₹10L - ₹18L / yr
Remote only
Skills
FastAPI
skill iconPostgreSQL
skill iconRedis
Microservices

We are looking for a Senior Backend Engineer with a strong background in building distributed, scalable, and high-performance backend systems. The ideal candidate has 6+ years of backend engineering experience, including 3+ years in microservices or distributed architecture, and deep expertise in Python, FastAPI, PostgreSQL, Redis, and async I/O patterns.

The candidate will own backend services end-to-end — from architecture and design to implementation, optimization, and production support — while working closely with cross-functional teams to deliver mission-critical systems.

Key Responsibilities

1. Backend Architecture & Development

  • Architect, design, and implement backend services using Python (preferably FastAPI) with clean, maintainable, and scalable code.
  • Develop microservice components, service communication layers, and distributed workflows.
  • Build APIs and backend modules optimized for performance, fault tolerance, and low latency.

2. Distributed Systems & Scalability

  • Design and maintain distributed systems capable of handling high throughput and large-scale operations.
  • Implement inter-service communication patterns (REST, event-driven, message queues, pub/sub).
  • Ensure system resiliency through redundancy, graceful degradation, and autoscaling strategies.

3. Asynchronous & Event-Driven Architecture

  • Build async workflows, background tasks, and pipeline services leveraging asyncio or async frameworks.
  • Develop event-driven components including producers, consumers, and event processors.
  • Optimize I/O-heavy operations to maximize concurrency and throughput.

4. Data Storage, Pipelines & Caching

  • Design relational schemas, write optimized SQL queries, and work with PostgreSQL performance tuning (indexes, partitions, query planning).
  • Implement caching strategies, rate limiting, distributed locks, and session storage using Redis.
  • Build data validation pipelines and compliance-driven data flows ensuring data correctness and auditability.

5. Security, Reliability & Observability

  • Implement authentication, authorization, encryption, and secure API practices.
  • Build monitoring, alerting, metrics, and tracing systems using modern observability tools.
  • Diagnose production issues, identify bottlenecks, and drive long-term fixes and improvements.

6. Code Quality & Technical Leadership

  • Conduct detailed code reviews and ensure engineering best practices across the team.
  • Participate in technical roadmap planning, architectural discussions, and system design decisions.
  • Mentor junior and mid-level engineers; drive a culture of technical excellence and ownership.

Required Qualifications

  • 6+ years backend engineering experience.
  • 3+ years building microservices or distributed systems.
  • Strong expertise in Python and frameworks like FastAPI (or Flask/Django with async exposure).
  • Deep understanding of async I/O, concurrency models, and asynchronous programming in Python.
  • Strong experience with PostgreSQL (schema design, advanced queries, optimization).
  • Hands-on experience with Redis for caching, queues, session management, and distributed patterns.
  • Experience with event-driven architectures, message processing, or streaming systems.
  • Solid understanding of system design, scalability principles, and API lifecycle management.
  • Experience working with CI/CD pipelines, containerization (Docker), and cloud environments.


Read more
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Shubham Vishwakarma

Full Stack Developer - Averlon
I had an amazing experience. It was a delight getting interviewed via Cutshort. The entire end to end process was amazing. I would like to mention Reshika, she was just amazing wrt guiding me through the process. Thank you team.
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