Senior Backend Developer (Python)

About Merchway

Merchway is a dynamic, tech-driven early-stage startup revolutionizing the global supply chain and wholesale industry. We specialize in seamless, end-to-end solutions for customizable, personalizable, on-demand merchandise through innovative wholesale, supply chain management, and dropshipping logistics. Our mission is to empower businesses worldwide by providing agile, scalable, and cost-effective supply chain solutions that meet the demands of today’s fast-paced, e-commerce-driven market.

Founded by seasoned entrepreneur with deep roots in both Silicon Valley and China’s manufacturing hub, Merchway brings unparalleled expertise to the table. This unique blend of technical prowess and operational know-how allows us to bridge the gap between cutting-edge technology and real-world manufacturing, delivering solutions that are both innovative and practical.

At the heart of our operations is a cutting-edge technology platform that optimizes every stage of the supply chain—from sourcing and manufacturing to fulfillment and delivery. By leveraging advanced automation, data analytics, real-time 3D rendering and AI-driven insights, we streamline processes, reduce costs, and deliver unparalleled efficiency for our partners. Whether you’re a small business seeking customizable merchandise or a global enterprise looking to optimize your supply chain, Merchway is your trusted partner for growth and innovation.

Job Overview

Merchway · Ho Chi Minh City, Vietnam (Remote)

Description: Job Overview: We are looking for an experienced Python Django Backend Developer to design, develop, and maintain scalable backend systems. The ideal candidate has strong expertise in building AI agents using popular frameworks like LangChain and LangGraph or others, and a passion for delivering high-quality, performant code. This role offers a hybrid work model, combining onsite collaboration with remote flexibility.

Key Responsibilities:

• Design, develop, and maintain robust backend systems using Python and Django.
• Build and optimize APIs using REST and GraphQL (a plus).
• Collaborate with frontend developers, product managers, and other stakeholders to deliver seamless, scalable solutions.
• Write clean, maintainable, and well-documented code following best practices.
• Implement database models and optimize queries using Django ORM (e.g., PostgreSQL, MySQL).
• Ensure high performance, security, and scalability of backend services.
• Integrate third-party services and APIs as needed.
• (If applicable) Leverage AI frameworks like LangChain and LangGraph to enhance application functionality.
• Participate in code reviews, testing, and debugging to ensure quality and reliability.
• Stay updated on industry trends and emerging technologies to improve development processes.

Required Qualifications:

• Bachelor’s degree in Computer Science, Engineering, or a related field (or equivalent experience).
• 5+ years of professional experience as a backend developer with Python.
• Strong understanding of database design, Django ORM, and query optimization.
• Experience with version control systems (e.g., Git) and CI/CD pipelines.
• Familiarity with cloud platforms (e.g., AWS, Azure, or GCP) and containerization (e.g., Docker).
• Excellent problem-solving skills and attention to detail.
• Strong communication and collaboration skills, comfortable working in a hybrid (onsite/remote) environment.

Preferred Qualifications:

• Experience with AI frameworks such as LangChain and LangGraph is a strong plus.
• Familiarity with frontend technologies (e.g., React, Vue.js) for better cross-team collaboration.
• Knowledge of message queues (e.g., Celery, RabbitMQ) and caching systems (e.g., Redis).
• Experience with testing frameworks (e.g., pytest, unittest) and writing unit/integration tests.
• Understanding of microservices architecture and distributed systems.

Location: Ho Chi Minh City, Vietnam