✦ Luna Orbit — Software Engineering

Senior Software Engineer

at Walmart

📍 Sunnyvale, CA Hybrid 💰 $117K – $234K USD / year Posted March 13, 2026
Salary $117K – $234K USD / year
Type Not Specified
Experience senior
Exp. Years 8+ years
Education Not specified
Category Software Engineering

This role involves developing scalable backend services using Java and Spring Boot, managing microservices architecture, and ensuring system security and performance.

  • Develop scalable microservices
  • Ensure system security
  • Optimize application performance
  • Collaborate with cross-functional teams
  • Maintain high-quality code

The technical environment includes Java, Spring Boot, Kafka, SQL and NoSQL databases, microservices, distributed systems, and application security best practices.

The ideal candidate is an experienced senior backend engineer with at least 8 years of Java and Spring Boot expertise, strong knowledge of microservices and distributed systems, and familiarity with NoSQL databases like Cosmos DB and MongoDB. They demonstrate problem-solving skills and leadership in scalable application development.

JavaSpring BootKafkaMicroservicesDistributed SystemsAPIsSQLNoSQL
Cosmos DBMongoDBApplication SecuritySystem Performance
JavaSpring BootKafkaSQL DatabaseNoSQL databasesCosmosMongoDB
JavaSpring BootKafkaMicroservicesDistributed SystemsAPIsSQLNoSQLCosmos DBMongoDBApplication SecuritySystem Performance
JavaSpring BootKafkaSQLNoSQLMongoDBCosmos DBApplication SecurityMicroservicesDistributed SystemsAPIsPerformance Tuning
Problem SolvingOwnershipCommunicationLeadershipCollaborationAnalysis
Industry Retail / E-commerce / SaaS
Job Function Backend development and system architecture for scalable, secure applications
Senior Software EngineerJavaSpring BootKafkaMicroservicesDistributed SystemsAPIsSQLNoSQLCosmos DBMongoDBApplication SecuritySystem Performance

Less than 8 years of experience, Lack of Java or Spring Boot expertise, No experience with Kafka or microservices, No knowledge of NoSQL databases

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