Principal Backend Developer

We are seeking a Principal Backend Engineer to lead the design, development, and optimization of the backend systems that power our eCommerce platformacross both web and mobile applications. As a senior technical leader, you will play a key role in scaling architecture, improving performance, and ensuring the reliability of systems that serve thousands of customers.

Key Responsibilities:

• Lead backend architecture decisions for a scalable, secure, and high-performance eCommerce platform.
• Define and enforce backend development standards and best practices.
• Build and maintain microservices, APIs, and backend logic that support product catalogs, order processing, payments, user accounts, and more.
• Integrate third-party services such as payment gateways, logistics APIs, ERP/CRM systems, etc.
• Mentor junior and mid-level engineers; conduct code reviews and foster a culture of engineering excellence.
• Collaborate with frontend, DevOps, QA, and product teams to ensure seamless integration and delivery.
• Optimize database queries, service response times, and server resource usage to ensure high performance during peak traffic.
• Implement caching strategies, background jobs, and async processes for efficiency.
• Ensure systems adhere to security best practices (e.g., data encryption, secure authentication/authorization, PCI compliance for payment).
• Work with DevSecOps to regularly audit and improve system security.

Requirements:

• Bachelors or Masters degree in Computer Science, Engineering, or a related field.
• 8+ years of backend development experience, with at least 2+ years in a principal or staff engineer role.
• Proven experience building and scaling backend systems for eCommerce platforms.
• Languages: Node.js, Python, Java, or Go.
• Frameworks: Express.js, Spring Boot, Django, etc.
• Databases: PostgreSQL, MySQL, MongoDB, Redis.
• APIs: RESTful, GraphQL.
• Cloud: AWS, GCP, or Azure (EC2, S3, RDS, Lambda, etc.)
• Tools: Docker, Kubernetes, Git, CI/CD pipelines.
• Strong problem-solving and analytical skills.
• Excellent communication and cross-functional collaboration abilities.
• A passion for technology and a commitment to continuous improvement.

Preferred Qualifications:

• Experience with headless commerce or composable commerce architecture.
• Familiarity with mobile backend integration (iOS & Android).
• Experience in DevOps or platform engineering practices.