Principal Backend Developer
Full-time
Peergrowth Consultancy Co.
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: Python Java or Go.
- Frameworks: 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.
Vacancy posted 28 days ago
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