Designation : Backend Engineer

Experience : 4+ Years

Location : Remote

We are looking for talented and passionate individuals to join The Patch Infotech as a Backend Engineer.

This role is ideal for a professional with a strong understanding and proven experience in building production-grade, scalable backend systems in the cloud.

You will play a pivotal role in developing our core backend infrastructure, with a specialized focus on AI/ML applications, working extensively with Large Language Models (LLMs) and Agentic frameworks.

Key Responsibilities :

- Design, develop, and maintain robust, scalable, and high-performance backend systems primarily using Node.js (Express) and Python.

- Implement and integrate AI/ML functionalities into backend services, leveraging libraries such as LLM Transformers and scikit-learn.

- Work extensively with Large Language Models (LLMs) and develop solutions using Agentic frameworks like Langchain, LangGraph, or similar.

- Design and manage database schemas and interactions using MongoDB (NoSQL database) and Vector Databases.

- Deploy, manage, and troubleshoot backend applications and services within cloud environments, specifically Azure and AWS.

- Write clean, efficient, and well-documented code, primarily using TypeScript for Node.js applications, ensuring high quality and maintainability.

- Collaborate with front-end developers, AI/ML engineers, and product managers to define APIs, integrate services, and deliver comprehensive solutions.

- Optimize backend services for performance, scalability, and security in a production environment.

- Participate in code reviews, contribute to architectural discussions, and drive the adoption of best practices.

- Troubleshoot and debug complex backend issues, ensuring system reliability and availability.

Required Skills & Qualifications

- Experience : 4+ years of professional experience in backend software development.

- Backend Languages & Frameworks : Strong proficiency in Node.js (with Express framework) and Python.

- AI/ML Integration : Hands-on experience building backend systems that integrate AI/ML models, specifically with LLM Transformers and scikit-learn.

- LLM & Agentic Frameworks : Proven working experience with Large Language Models (LLMs) and Agentic frameworks such as Langchain, LangGraph, or similar.

- Database Technologies : Experience with MongoDB (NoSQL database) and working knowledge of Vector Databases.

- Cloud Platforms : Hands-on working experience with at least one major cloud provider : Azure or AWS.

- Type-Safe Development : Proficiency in TypeScript.

- Scalable Systems : Strong understanding and experience in building production-grade, scalable backend systems.

- Problem-Solving : Excellent analytical and problem-solving skills with a focus on delivering robust solutions.

- Communication : Strong communication and collaboration skills to work effectively in a remote team environment.

- Version Control : Experience with Git or other distributed version control systems.

- Education : Bachelor's degree in Computer Science, Engineering, or a related technical field is preferred