Backend Developer

Cynosure Corporate Solutions; Chennai District; On-site; INR 1,200,000 - 2,400,000; Full time

Job summary

Cynosure Corporate Solutions is seeking an experienced Backend Developer with strong Python and FastAPI expertise to design and build scalable, secure backend systems. The role focuses on developing robust APIs, optimizing databases, implementing secure authentication, and deploying highly available applications in a fintech or regulated environment.

Responsibilities include designing, developing, and maintaining backend services, building secure RESTful APIs, and collaborating with

Qualifications

• 5–6+ years of backend development experience.
• Strong proficiency in Python and FastAPI framework.
• Experience building REST APIs, WebSockets, or gRPC services.
• Database design, indexing, query optimization, and ORM tools.
• Asynchronous programming and scalable system architecture.
• Familiarity with microservices and API lifecycle management.
• CI/CD pipelines, Docker, and cloud deployment environments.
• Secure coding practices and compliance-oriented development.
• Experience in Agile/Scrum teams.

Responsibilities

• Design, develop, and maintain backend services using Python and FastAPI.
• Build and manage secure, scalable RESTful APIs, WebSockets, and microservices.
• Design and optimize database schemas using PostgreSQL, MySQL, or MongoDB.
• Implement authentication and authorization (JWT, OAuth, encryption).
• Optimize performance, scalability, and reliability for production.
• Write clean, well-documented code with unit and integration tests.
• Collaborate with Frontend, DevOps, QA, and Product teams in Agile sprints.
• Support deployment, monitoring, and troubleshooting of backend systems.

Skills

Python

FastAPI

REST APIs

WebSockets

gRPC

Docker

Cloud deployment

Async programming

Agile/Scrum

CI/CD

Education

Bachelor's degree in Computer Science

Tools

PostgreSQL

MySQL

MongoDB

Job description

Cynosure Corporate Solutions | Full time

Cynosure Corporate Solutions is a human capital services company. Our focus is to provide Executive Search, Recruitment, Training, Temporary Staffing services, Statutory Compliance's, and other HR aligned services. We understand the business goals of our clients and their need to align human resources to these goals. We are committed to provide high quality manpower in accordance to global standards and their requirements. Our candidates stand testimony to our professional competency.

We work with clients in IT/ITES, Manufacturing, Automobile, Health, Telecom, Media.

Job Description

We are looking for an experienced Backend Developer with strong expertise in Python and FastAPI to design and build scalable, secure, and high-performance backend systems. The role involves developing robust APIs, optimizing databases, implementing secure authentication mechanisms, and deploying highly available applications. Experience in fintech or regulated environments will be an added advantage.

Key Responsibilities:

• Design, develop, and maintain backend services using Python and FastAPI.
• Build and manage secure, scalable RESTful APIs, WebSockets, and microservices.
• Design and optimize database schemas using PostgreSQL, MySQL, or MongoDB.
• Implement authentication and authorization mechanisms including JWT, OAuth, and encryption standards.
• Optimize system performance, scalability, and reliability for production environments.
• Write clean, maintainable, and well-documented code with unit and integration tests.
• Collaborate with Frontend, DevOps, QA, and Product teams in Agile sprints.
• Support deployment, monitoring, and troubleshooting of backend systems in production.

Requirements

• 5–6+ years of backend development experience.
• Strong proficiency in Python and FastAPI framework.
• Hands‑on experience in building REST APIs, WebSockets, or gRPC services.
• Strong understanding of database design, indexing, query optimization, and ORM tools.
• Experience with asynchronous programming and scalable system architecture.
• Familiarity with microservices architecture and API lifecycle management.
• Knowledge of CI/CD pipelines, Docker, and cloud deployment environments.
• Strong understanding of secure coding practices and compliance-oriented development.
• Experience working in Agile/Scrum teams.
• Bachelor’s degree in Computer Science or related field preferred.