Backend Developer – Python with Fast API

Deservely Technologies; Bengaluru; Hybrid; INR 4,000,000 - 6,500,000; Full time

Job summary

Deservely Technologies in Bengaluru is seeking a Sr. Backend Developer with strong Python and FastAPI expertise to design, develop, and maintain scalable backend services.

You will lead backend architecture, work on RESTful APIs, async processing, and microservices, and collaborate with product teams to deliver reliable, production-grade systems. 8+ years of experience and contract role.

Qualifications

• 8+ years of backend development experience.
• Strong Python, FastAPI, RESTful API design and system design fundamentals.
• Experience with MSSQL, Redis, MongoDB, and Celery.
• Experience with microservices and scalable distributed systems.
• Familiarity with Docker and cloud platforms (Azure).

Responsibilities

• Lead and mentor the backend team, providing technical guidance.
• Design and maintain scalable backend systems and APIs.
• Oversee SDLC from requirements to deployment.
• Ensure code quality and performance.
• Collaborate with cross-functional teams and stakeholders.

Skills

Python

MSSQL

Redis

Celery

FastAPI

MongoDB

RESTful API design

Asynchronous programming

Git

Docker

Azure

Tools

CI/CD pipelines

Git

ADO

Job description

Sr. Backend Developer – Python with Fast API

Location: Bangalore (2 days/week in office)

Experience: 8+ Years

Employment Type: Contract

Role Overview

We are looking for an experienced Back-End Developer with strong expertise in Python and FastAPI to design, develop, and maintain scalable, high-performance backend systems. The ideal candidate should have strong system-design fundamentals, API development experience, and the ability deliver with responsibility + build reliable production-grade services.

Mandatory Skills

• Strong proficiency in Python, MSSQL, Redis, Celery, FastAPI, and MongoDB.
• Deep understanding of web development frameworks and RESTful API design.
• Experience with asynchronous programming and task queues (e.g., Celery).
• Proficiency in database design and optimization for both relational (MSSQL) and NoSQL

(MongoDB) databases

• Solid understanding of data structures, algorithms, and object-oriented programming.
• Strong knowledge of database design and SQL.
• Experience with microservices and scalable distributed systems.
• Strong understanding of software development lifecycle, testing, Git, and code quality practices.
• Knowledge of containerization technologies (e.g., Docker) and cloud platforms (e.g., Azure) is a

plus.

Key Responsibilities

• Team Leadership: Lead and mentor a team of software developers, providing technical guidance and fostering a collaborative environment.
• Project Management: Oversee the entire software development lifecycle, from requirements gathering to deployment, ensuring projects are completed on time and within scope.
• Technical Expertise: Act as a subject matter expert in Python, MSSQL, Redis, Celery, FastAPI, and MongoDB, providing hands‑on development and troubleshooting as needed.
• Code Quality: Ensure the team adheres to coding standards and best practices, conducting code reviews and maintaining high‑quality codebases.
• System Architecture: Collaborate with other technical leads and architects to design and implement scalable and robust system architectures.
• Stakeholder Communication: Work closely with product managers, business analysts, and other stakeholders to understand requirements and translate them into technical specifications.
• Continuous Improvement: Stay up to date with the latest industry trends and technologies, recommending and implementing improvements to processes and tools.

Good-to-Have Skills

• Tools and Technologies: Familiarity with CI/CD pipelines, version control systems (e.g., Git), and project management tools (e.g., ADO).

Other Qualifications

• Strong practical experience building and operating enterprise-scale backend systems is preferred.

Skills: ci/cd pipelines,cloud technologies,fastapi,python,mysql,redis,database design,nosql