Senior Python Backend Engineer - AI/ML, AWS, GraphQL

Realtech Services; New York (NY); Hybrid; USD 120,000 - 170,000; Full time

Job summary

Realtech Services in NYC invites a seasoned Python Backend Engineer to join a long-term contract role focused on AI/ML integration with agentic systems. You will design scalable backend services using Python, Django, PostgreSQL, and AWS, and collaborate with data scientists and product teams to deliver robust, high-performance solutions.

Ideal candidates have 7+ years in distributed systems, strong SOA/microservices experience, and a full-stack backend mindset spanning data pipelines, security,

Qualifications

• 7+ years of professional experience designing and managing complex system applications.
• Proficiency in Python with Django and GraphQL.
• Deep experience deploying and managing high-scale applications within AWS.
• Strong background in SOA, microservices, and event-driven pub-sub frameworks.
• Full-stack backend mindset across architecture, data pipelines/ETL, platform security, and scalability.

Responsibilities

• Learn and develop across the stack including frontend features with React and Apollo GraphQL, and robust back-end with Python, Django, and PostgreSQL in AWS.
• Collaborate with product teams and stakeholders to translate requirements into technical solutions.
• Focus on performance and scalability by analyzing and improving platform, algorithms, and data structures.
• Adopt best coding practices, testing methodologies, and efficient deployment strategies.
• Participate in code reviews to improve code quality and maintainability.

Skills

Python

Django

GraphQL

AWS

SOA

Microservices

Event-driven

ETL

PostgreSQL

React

Apollo GraphQL

Tools

PostgreSQL

React

Apollo GraphQL

AWS

Job description

Realtech Services in NYC invites a seasoned Python Backend Engineer to join a long-term contract role focused on AI/ML integration with agentic systems. You will design scalable backend services using Python, Django, PostgreSQL, and AWS, and collaborate with data scientists and product teams to deliver robust, high-performance solutions.

Ideal candidates have 7+ years in distributed systems, strong SOA/microservices experience, and a full-stack backend mindset spanning data pipelines, security,