Lead Python Developer - 47234

Overview

headquartered in Sunnyvale, with offices in Dallas & Hyderabad, Fission Labs is a leading software development company, specializing in crafting flexible, agile, and scalable solutions that propel businesses forward. With a comprehensive range of services, including product development, cloud engineering, big data analytics, QA, DevOps consulting, and AI/ML solutions, we empower clients to achieve sustainable digital transformation that aligns seamlessly with their business goals.

As Lead Python Developer, you will be building next-gen intelligent systems that combine real-time APIs, cloud-native infrastructure, and external AI capabilities and you would have deep expertise in FastAPI, AWS, and GenAI API integrations to design and deliver scalable backend systems

Key Responsibilities

• Lead end-to-end backend and API development using Python and FastAPI.
• Design scalable microservices leveraging AWS (Lambda, EC2, EKS, API Gateway, DynamoDB, S3).
• Implement automation and event-driven workflows with Step Functions, SQS, and SNS.
• Develop real-time / streaming APIs using WebSockets or Kinesis.
• Integrate with external GenAI APIs (OpenAI ChatGPT, Google Gemini) and third-party AI/ML services.
• Build or integrate web crawlers for structured/unstructured data processing.
• Collaborate with stakeholders to define requirements, plan sprints, and mentor the development team.
  
  

• 9+ years of backend experience with strong Python and FastAPI expertise.
• Proven ability to lead projects and manage small engineering teams.
• Strong command of AWS services: Lambda, EC2, EKS, API Gateway, Step Functions, DynamoDB, S3, SNS/SQS.
• Experience integrating GenAI APIs (ChatGPT, Gemini).
• Familiarity with web crawling frameworks (BeautifulSoup, Playwright, Scrapy).
• Proficiency with Git/GitHub workflows (branching, pull requests, code reviews).
• Comfortable working independently in a fast-paced startup environment.
• Experience with chat agents or conversational AI preferred.
  
  

• Bachelor’s degree in Computer Science, Engineering, or related field.
• Knowledge of PostgreSQL, DynamoDB, CI/CD, Docker, Kubernetes.
• Bonus: Exposure to Apache Beam, Spark, or external data/media APIs.
  
  

• Opportunity to work on impactful technical challenges with global reach.
• Vast opportunities for self-development, including online university access and knowledge sharing opportunities.
• Sponsored Tech Talks & Hackathons to foster innovation and learning.
• Generous benefits packages including health insurance, retirement benefits, flexible work hours, and more.
• Supportive work environment with forums to explore passions beyond work.