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Sr Python Backend Developer

ACI Infotech
York, NY Contractor | Full Time
POSTED ON 6/28/2026
AVAILABLE BEFORE 7/29/2026

Python Backend Developer

Hybrid for NYC

Long term Contract

Job Summary

We are looking for an experienced Python Backend Developer to design, develop, and maintain scalable backend applications and APIs. The candidate should have strong expertise in Python development, RESTful services, database design, cloud technologies, and microservices architecture.

Key Responsibilities

  • Develop and maintain scalable backend applications using Python
  • Design and build REST APIs and microservices
  • Work with frameworks such as Django, Flask, or FastAPI
  • Integrate third-party APIs and external systems
  • Design and optimize SQL/NoSQL databases
  • Write clean, reusable, and efficient code
  • Perform code reviews and guide junior developers
  • Implement authentication, authorization, and security best practices
  • Collaborate with frontend, DevOps, QA, and product teams
  • Troubleshoot and resolve production issues
  • Participate in architecture discussions and technical design

Required Skills

  • Strong experience in Python backend development
  • Hands-on experience with Django / Flask / FastAPI
  • Experience in RESTful API development
  • Strong knowledge of SQL and database optimization
  • Experience with PostgreSQL, MySQL, or MongoDB
  • Understanding of Microservices Architecture
  • Experience with Git and CI/CD pipelines
  • Knowledge of Docker and containerization
  • Strong debugging and problem-solving skills

ACI (Advanced Computing International) is a Global Technology Services, Products & Solutions Company focused on designing and delivering the next generation applications and digital experiences for businesses and consumers. We specialize in Big Data & Analytics, Digital Transformation, IT Service Management, Cognitive Solutions, Artificial Intelligence, IOT & Future Networks, DevOps, Enterprise Applications & Managed Infrastructure Services & Industry Specific Solutions.

Leveraging the insights gained from working on innovative solutions and disruptive technologies, ACI develops Solutions to enhance business performance, accelerate product & applications time-to-market, harmonize Consumer Experiences and streamline their business operations. ACI works with clients across different business sectors: Financial Services, Healthcare, Manufacturing, Hi-Tech, Media, Utilities, Public sector, Retail, Telecom, E-commerce & Logistics, and Higher Education. ACI s core DNA is built on Innovation and co-existence to build a collaborative ecosystem where companies and consumers win.

Salary.com Estimation for Sr Python Backend Developer in York, NY
$139,860 to $175,784
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