Python backend engineer

4 weeks ago

Tirupati, India Infiswift Technologies Full time

Job Description: Backend Engineer (Python/AWS)Location: Pune, India / Remote Experience Level: 4+ yearsPlease note that this is a full time contract position, initially for 6 months but would extend upto 2 years or more based on performance.The RoleWe are looking for a sharp and motivated Backend Engineer with a strong blend of development and DevOps expertise to join our dynamic team. In this role, you will be responsible for designing, developing, and deploying robust, scalable, and secure backend services. You will play a crucial part in the entire development lifecycle, from concept and design to deployment and maintenance, while leveraging modern cloud-native technologies.Key ResponsibilitiesDesign, build, and maintain efficient, reusable, and reliable Python code using frameworks like FastAPI and Flask.Develop and manage scalable infrastructure on AWS using Infrastructure as Code (IaC), specifically with AWS CDK.Implement and operate serverless architectures using services like AWS Lambda, API Gateway, and DynamoDB.Manage user identity and access control using AWS Cognito.Containerize applications using Docker and manage their deployment and orchestration.Design and manage relational and NoSQL databases, ensuring data integrity and performance.Write clean, testable code and apply a strong understanding of data structures and algorithms to solve complex problems.Collaborate with frontend developers, product managers, and other stakeholders to deliver high-quality features.Participate in code reviews, technical discussions, and contribute to improving our engineering standards and practices.Required Skills & Qualifications4+ years of professional experience in backend development.Strong proficiency in Python and hands-on experience with web frameworks like FastAPI or Flask.Solid understanding of Data Structures, Algorithms, and software design principles.Proven experience with AWS services, including:Serverless technologies (Lambda, API Gateway)Amazon Cognito for user authenticationAmazon DynamoDB or other NoSQL databasesAWS CDK for infrastructure managementExperience with other core services like SQS, S3, and RDS.Hands-on experience with Docker for containerization.Experience with relational databases (e.g., PostgreSQL, MySQL).Familiarity with CI/CD pipelines (e.g., GitHub Actions, Jenkins).Excellent problem-solving and analytical skills.Strong verbal and written communication skills and the ability to work effectively in a team.Good to HaveExposure to AI/ML concepts and agentic development.Experience with LLM frameworks like LangChain or LlamaIndex.

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