Backend Engineer

Angel-and-Genie; Bengaluru; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

Angel-and-Genie seeks an experienced backend developer to design high-performance REST APIs using FastAPI and Python. The role involves integrating third-party services and database management while collaborating with cross-functional teams.

Qualified candidates will have a minimum of 3 years of experience, strong SQL skills, and familiarity with Agile methodologies. This position is based in Bengaluru, Karnataka, India, and offers opportunities to work on exciting projects and technologies.

Qualifications

• 3+ years of professional backend development experience with Python.
• Strong proficiency in FastAPI including routing, dependencies, and middleware.
• Experience with at least one relational database like PostgreSQL or MySQL.
• Proficient in Git with branching, merging, and conflict resolution.
• Basic proficiency with Linux command-line tools.

Responsibilities

• Design and develop high-performance REST APIs using FastAPI.
• Write and optimize complex SQL queries and manage database interactions.
• Manage code using Git, and participate in code reviews.
• Participate in sprint planning and collaborate with cross-functional teams.
• Support CI/CD pipeline and containerize applications using Docker.

Skills

FastAPI

Python

SQL

REST APIs

Docker

Git

Agile methodologies

async Python

Tools

PostgreSQL

MySQL

SQLAlchemy

Docker Compose

Job description

Key Responsibilities

• API & Backend Development
• Design and develop high-performance REST APIs using FastAPI and Python.
• Build and maintain async endpoints with Pydantic models, dependency injection, and middleware.
• Write clean, modular, well-documented code following PEP8 and project conventions.
• Integrate third‑party services and external APIs as required.

Database Management

• Design relational database schemas optimized for performance and scalability.
• Write and optimize complex SQL queries, stored procedures, and migrations.
• Work with ORM tools such as SQLAlchemy or TortoiseORM for database interaction.
• Ensured data integrity, indexing strategies, and query performance tuning.

Version Control & Collaboration

• Manage code using Git with branching strategies (GitFlow/trunk-based development).
• Conduct and participate in code reviews via pull requests with constructive feedback.
• Maintain well‑written commit messages and keep the repository history clean.

Agile & Team Collaboration

• Participate actively in sprint planning, daily standups, retrospectives, and backlog grooming.
• Breakdown requirements into actionable technical tasks and story points.
• Collaborate cross‑functionally with frontend, QA, product, and data teams.
• Communicate blockers early and contribute to continuous improvement of team processes.

DevOps & Infrastructure Basics

• Containerize applications using Docker and manage multi‑service setups with Docker Compose.
• Support CI/CD pipeline setup and maintenance (GitHub Actions, GitLab CI, or similar).
• Understand Linux server basics: filesystem, permissions, process management, and SSH.
• Monitor application health using logging frameworks and basic observability tools.

Testing & Quality Assurance

• Write unit, integration, and API tests using pytest and HTTPX test client.
• Maintain meaningful test coverage and enforce quality gates in CI pipelines.
• Identify and resolve bugs, performance bottlenecks, and security vulnerabilities.

Required Qualifications

Must Have

• 3+ years of professional backend development experience with Python.
• Strong proficiency in FastAPI (routing, dependencies, background tasks, middleware, OAuth2).
• Solid understanding of SQL—joins, aggregations, window functions, indexing, transactions.
• Experience with at least one relational database: PostgreSQL, MySQL, or SQLite.
• Proficient with Git: branching, merging, rebasing, conflict resolution.
• Familiarity with Agile/Scrum methodologies and working within sprint-based teams.
• Experience with REST API design principles: versioning, authentication, error handling.
• Working knowledge of Docker for local development and deployment.
• Basic Linux command-line proficiency.

Good to Have

• Experience with async Python (asyncio, httpx, aiofiles).
• Knowledge of Redis for caching and background task queues (Celery/ARQ).
• Familiarity with cloud platforms—AWS, GCP, or Azure (S3, RDS, EC2).
• Exposure to Kubernetes or container orchestration basics.
• Understanding of API security: JWT, OAuth2, rate limiting, CORS.