Backend Engineer

Zelis is modernizing the healthcare financial experience in the United States (U.S.) by providing a connected platform that bridges the gaps and aligns interests across payers, providers, and healthcare consumers. This platform serves more than 750 payers, including the top 5 health plans, BCBS insurers, regional health plans, TPAs and self-insured employers, and millions of healthcare providers and consumers in the U.S. Zelis sees across the system to identify, optimize, and solve problems holistically with technology built by healthcare experts—driving real, measurable results for clients.  

Why We Do What We Do 

In the U.S., consumers, payers, and providers face significant challenges throughout the healthcare financial journey. Zelis helps streamline the process by offering solutions that improve transparency, efficiency, and communication among all parties involved. By addressing the obstacles that patients face in accessing care, navigating the intricacies of insurance claims, and the logistical challenges healthcare providers encounter with processing payments, Zelis aims to create a more seamless and effective healthcare financial system.

Zelis India plays a crucial role in this mission by supporting various initiatives that enhance the healthcare financial experience. The local team contributes to the development and implementation of innovative solutions, ensuring that technology and processes are optimized for efficiency and effectiveness. Beyond operational expertise, Zelis India cultivates a collaborative work culture, leadership development, and global exposure, creating a dynamic environment for professional growth. With hybrid work flexibility, comprehensive healthcare benefits, financial wellness programs, and cultural celebrations, we foster a holistic workplace experience. Additionally, the team plays a vital role in maintaining high standards of service delivery and contributes to Zelis’ award-winning culture. 

Position Overview

We are seeking a talented Mid-Level Backend Developer to join our team, with a focus on AI/ML projects. In this role, you will help develop and maintain backend solutions that power our generative AI platform, optimizing data processing pipelines and improving operational efficiency. Your work will directly contribute to the success of innovative AI applications while supporting the technical needs of our business and clients.

If you’re eager to work on cutting-edge AI solutions and grow your skills in backend development, we’d love to meet you. Join our team and help build high-performance, scalable backend systems that drive the future of AI technology.

Key Responsibilities

• evelop and maintain core components for our generative AI platform.
• Implement and optimize vector database solutions for efficient document and data retrieval.
• Build and maintain robust backend services using Python and frameworks like FastAPI and Flask.
• Create and optimize document processing pipelines, including OCR, text extraction, and embedding generation.
• Design and implement efficient vector search algorithms and optimization strategies for large-scale systems.
• Maintain and optimize data processing pipelines for document understanding and analysis.
• Implement data caching strategies to optimize backend system performance and scalability.
• Collaborate with cross-functional teams to deliver technical solutions that meet business needs.
• Participate in code reviews and adhere to best practices for backend development.

Essential Skills and Qualifications

• Strong proficiency in Python development, with a focus on AI/ML applications.
• Knowledge of vector similarity search and optimization techniques for data retrieval.
• Familiarity with cloud services, particularly Azure, to integrate backend systems and deploy solutions.
• Experience with asynchronous processing to build high-performance systems.
• Knowledge of data caching strategies and performance optimization in backend systems.
• Understanding of how to design and maintain scalable, high-performance backend systems.

Personality Traits

• Analytical Mindset: You approach complex problems with a structured, problem-solving mentality.
• Strategic Thinking: You are able to balance theoretical concepts with practical, real-world solutions in AI applications.
• Attention to Detail: You focus on system architecture and optimization, ensuring everything runs efficiently.
• Collaboration: You thrive in cross-functional environments and enjoy mentoring team members.
• Self-Motivated: You take ownership of your work, drive initiatives, and deliver results independently.

Professional Experience

• 3-5 years of experience in Python development, with a focus on AI/ML systems.
• Demonstrated experience with natural language processing (NLP) and text analysis.
• Practical experience developing backend services and optimizing data processing systems.

Additional Requirements

• Experience with optimization and scaling of models and backend solutions.
• Hands-on experience implementing enterprise-level software solutions.
• Proven experience with architecting enterprise-grade applications.
• Ability to establish and maintain development standards and follow best practices.