Senior Python Developer

Job Title: Senior Python Developer (FastAPI) CloudOps

Experience: 6+ Years

Employment Type: Full-Time

Job Summary

We are looking for a highly skilled Senior Python Developer with 6+ years of experience in building scalable backend applications and cloud-native solutions. The ideal candidate will have strong expertise in Python (FastAPI), AWS Cloud, microservices, Docker/Kubernetes, and end-to-end CI/CD implementation. You will be responsible for designing, developing, deploying, and maintaining enterprise-grade backend services while collaborating with cross-functional teams in an Agile environment.

Key Responsibilities

• Design, develop, and maintain high-performance RESTful APIs using Python and FastAPI.
• Develop scalable backend applications following microservices architecture and industry best practices.
• Design and implement secure, reliable, and highly available cloud-native solutions on AWS.
• Build and maintain backend services, integrations, and data processing workflows.
• Design database schemas and optimize application performance for high-volume systems.
• Develop reusable, maintainable, and well-documented code.
• Write unit, integration, and performance tests to ensure application quality.
• Troubleshoot production issues, perform root cause analysis, and implement permanent fixes.
• Participate in code reviews and contribute to architectural and technical design discussions.
• Work closely with Product Owners, QA, DevOps, and other engineering teams throughout the software development lifecycle.
• Maintain technical documentation and follow Agile development practices using Jira and Confluence.

End-to-End CI/CD Responsibilities

• Design, implement, and manage end-to-end CI/CD pipelines for backend applications.
• Automate code build, testing, security scanning, packaging, and deployments across development, QA, staging, and production environments.
• Configure and maintain CI/CD pipelines using Jenkins, GitHub Actions, or Bitbucket Pipelines.
• Build automated deployment strategies such as Blue-Green, Canary, and Rolling Deployments.
• Integrate automated unit, API, and integration testing into deployment pipelines.
• Deploy and manage containerized applications using Docker and Kubernetes (EKS/ECS).
• Automate infrastructure provisioning using Terraform or AWS CloudFormation.
• Monitor pipeline health, optimize deployment processes, and troubleshoot release failures.
• Implement DevSecOps best practices, including code quality checks, vulnerability scanning, and compliance automation.
• Ensure reliable, scalable, and zero/minimal downtime deployments.

Required Technical Skills

Programming Languages & Frameworks

• Python 3.x
• FastAPI (Mandatory)
• Flask or Django
• SQLAlchemy
• Celery
• REST API Development
• Microservices Architecture

AWS Cloud

• Hands-on experience with: AWS Lambda, API Gateway, EC2, ECS / EKS, AWS Fargate, Amazon S3, RDS (PostgreSQL/MySQL), DynamoDB, SQS, SNS, EventBridge, CloudWatch, IAM, VPC, AWS Secrets Manager, AWS Glue (Preferred)

DevOps & CI/CD

• End-to-end CI/CD implementation
• Jenkins, GitHub Actions, Bitbucket Pipelines, GitLab CI (Good to Have)
• Docker, Kubernetes, Terraform, AWS CloudFormation
• AWS CodePipeline & CodeBuild (Preferred), SonarQube, Nexus/Artifactory (Preferred)

Databases

• PostgreSQL, MySQL, MongoDB, Amazon Redshift (Preferred)

Testing & API Tools

• Pytest, Unit Testing, Integration Testing, Performance Testing, Swagger / OpenAPI, Postman

Version Control & Collaboration

• Git, GitHub, Bitbucket, Jira, Confluence

Operating Systems & Scripting

• Linux / Unix, Shell Scripting (Bash), Basic Groovy (Preferred)

Required Qualifications

• Bachelor's degree in Computer Science, Information Technology, Engineering, or a related discipline.
• 6+ years of hands-on experience in Python backend development.
• Strong experience developing REST APIs using FastAPI.
• Proven experience designing and deploying applications on AWS.
• Hands-on experience implementing end-to-end CI/CD pipelines.
• Strong knowledge of containerization using Docker and orchestration using Kubernetes (EKS/ECS).
• Experience working with relational and NoSQL databases.
• Strong understanding of software engineering principles, design patterns, and secure coding practices.
• Experience working in Agile/Scrum environments.

Preferred Qualifications

• AWS Certified Developer Associate or AWS Solutions Architect certification.
• Experience with Infrastructure as Code (Terraform/CloudFormation).
• Experience with event-driven architectures.
• Exposure to ETL/data engineering tools such as AWS Glue or Apache Airflow.
• Experience with monitoring and observability tools such as Prometheus and Grafana.

Key Competencies

• Strong analytical and problem-solving skills.
• Excellent debugging and troubleshooting capabilities.
• Ability to independently design and deliver scalable technical solutions.
• Strong communication and stakeholder management skills.
• Ability to mentor junior developers and conduct code reviews.
• Passion for writing clean, maintainable, and high-quality code.
• Ability to thrive in a fast-paced, collaborative Agile environment.