Backend Engineer

About the job

Company Description Close Quest, an innovative e-commerce and online marketplace startup based in San Jose, USA, is revolutionizing the way users buy and sell products online. With a customer-first approach, Close Quest is dedicated to creating seamless and efficient solutions that meet the evolving needs of its users. The company is driven by a mission to attract talented engineers passionate about developing impactful products that make a difference. Role Description Design, develop, deploy and maintain backend services, APIs, and micro-services using programming languages Node.js, Python, Go, Java. Use AI coding tools to streamline development workflows — including code generation, debugging, refactoring, documentation, and test creation. Build scalable and reliable backend architectures that support high-traffic, low-latency applications. Collaborate with product and frontend teams to define requirements and deliver high-quality features. Develop and maintain database schemas, queries, and ORMs (SQL and No SQL). Implement industry-standard security, privacy, and authentication practices. Write automated tests, participate in code reviews, and ensure best-in-class code quality. Optimize application performance, reliability, and scalability. Contribute to architectural discussions and long-term technical strategy. Qualifications Bachelor’s or Master's degree in Computer Science, Engineering, or related field (or equivalent experience). 3–7+ years of backend engineering experience with one or more backend languages: Node.js, Java, Python. Familiarity with AI coding assistants such as Git Hub Copilot, Chat GPT, or Replit AI. Strong understanding of RESTful APIs, micro-services , and distributed systems. Excellent knowledge of databases: Postgre SQL, No SQL. Experience with cloud platforms ( AWS, GCP, Azure ) and containerization tools (Docker, Kubernetes). Experience in Solr and Elastic Search. Strong debugging, problem-solving, and optimization skills. Familiarity with Continuous Integration/ Continuous Deployment pipelines and Dev Ops best practices. Knowledge of event-driven architecture (Kafka, Rabbit MQ, SNS/SQS) and secure payment systems (Stripe, Shippo). Strong experience with Spring Boot framework , including building production-grade microservices, REST APIs, and integrations. Solid knowledge of software design patterns and architectural best practices, with the ability to apply them effectively in real-world backend systems.

Requirements

• Backend Services
• APIs
• Security
• Cloud Platforms
• Micro-services

Qualifications

• Bachelor’s or Master's degree in Computer Science or related field
• 3–7+ years of backend engineering experience
• Familiarity with AI coding assistants

Preferred Technologies

• Backend Services
• APIs
• Security
• Cloud Platforms
• Micro-services

About the company

Close Quest, an innovative e-commerce and online marketplace startup based in San Jose, USA, is revolutionizing the way users buy and sell products online.