Senior Backend Engineer
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Job Description
Job Description – Senior Backend Engineer
Position: Senior Backend Engineer / Senior Backend Developer
Experience: 5–6 Years
CTC: ₹7.5 LPA – ₹12 LPA
Employment Type: Full-Time
About the Role
We are looking for an experienced and highly skilled Senior Backend Engineer to design, develop, and maintain a scalable Python-based Core API platform.
The ideal candidate should have strong expertise in FastAPI, async SQLAlchemy 2.0, PostgreSQL, and backend architecture patterns with a focus on reliability, correctness, security, and maintainability.
You will work on a modular monolith architecture supporting multi-tenant systems, state-driven business workflows, and high-performance backend services.
Key Responsibilities
Backend Development & Architecture
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Develop and maintain backend services using:
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FastAPI
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Async SQLAlchemy 2.0
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Pydantic v2
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Alembic
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Build scalable and maintainable modular backend systems with strong architectural discipline.
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Write clean, reusable, and strictly typed Python code following best practices.
API & Business Logic Development
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Design and implement secure, high-performance REST APIs.
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Implement:
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RBAC (Role-Based Access Control)
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Idempotent APIs
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RFC 7807 compliant error handling
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Audit logging and event-driven workflows
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Ensure accurate implementation of complex business rules and KPI/reporting logic.
Database Engineering
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Design and optimize PostgreSQL schemas and queries.
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Work with:
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B-tree indexes
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GIN indexes
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Partial and expression indexes
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Query optimization and execution plans
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Handle transaction management, advisory locks, and data consistency.
State Machine & Workflow Management
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Build and maintain robust state machine workflows for core business entities.
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Ensure:
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Idempotent state transitions
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Reliable event publication
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Audit-grade traceability
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Code Quality & Engineering Standards
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Enforce module boundary discipline and maintain CI/CD quality standards.
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Participate in code reviews, architecture discussions, and engineering best practices.
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Maintain strong typing standards using tools such as
mypy --strict.
Collaboration & Problem Solving
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Collaborate with product, frontend, and DevOps teams for seamless delivery.
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Analyze existing systems and derive business logic from legacy implementations when required.
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Support migration strategies and coexistence between evolving systems.
Required Skills & Qualifications
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5+ years of production experience in Python backend development.
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Strong hands-on expertise in:
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FastAPI
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Async SQLAlchemy 2.0
-
Pydantic v2
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Alembic
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Deep understanding of asynchronous programming in Python.
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Strong PostgreSQL expertise including:
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Query optimization
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Indexing strategies
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Transaction semantics
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Advisory locks
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Experience implementing:
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State machines
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Idempotency patterns
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Audit trails
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RBAC
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Strong understanding of backend system design and modular architectures.
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Experience with CI/CD and engineering quality standards.
Preferred Skills
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Experience with:
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TimescaleDB
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Continuous aggregates
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Hypertables
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Knowledge of:
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Domain-Driven Design (DDD)
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Bounded Contexts
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Multi-tenant systems
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PostgreSQL Row-Level Security (RLS)
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Experience handling migration phases across multiple systems.
Familiarity with event-driven architectures and distributed systems
Designation
Senior Backend Engineer
Key Skills
Industry
IT Services and consulting
Functional Area
IT Services
Employment Type
Full Time
Education
Graduation/Diploma
Job Type
Work From Office
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