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.