Senior Java Software Engineer

iSpace, Inc.; Torrance (CA); Hybrid; USD 165,312,000 - 206,640,000; Full time

Job summary

iSpace, Inc. in Torrance, CA is seeking a senior backend engineer with 5+ years of experience in Java/J2EE, Spring Boot, and cloud-native AWS applications.

You will design, develop, and support microservices and serverless components in a hybrid work environment. Proficiency with AWS services (Lambda, API Gateway, EKS, RDS, DynamoDB) and CI/CD pipelines (GitHub Actions, Jenkins) is required, along with Docker, Kubernetes, and secure API design.

Qualifications

• 5+ years of professional software development experience, backend focus on Java/J2EE, Spring Boot, Hibernate or similar.
• Strong hands-on experience building cloud-native apps on AWS (Lambda, API Gateway, EKS, S3, RDS, DynamoDB).
• Experience with microservices, RESTful APIs, event-driven design, and serverless concepts.
• Proficiency with Docker/Kubernetes/OpenShift and CI/CD tooling (Jenkins, GitHub Actions, GitLab CI, CodePipeline).
• Knowledge of secure API design, IAM, OAuth2, and cloud security best practices.

Responsibilities

• Design, develop, and support backend services with a focus on reliability and performance.
• Develop cloud-native apps on AWS and manage data modeling for RDS/DynamoDB.
• Contribute to architecture discussions and code reviews in Agile teams.
• Implement containerization and orchestrations with Kubernetes and Docker.
• Mentor junior engineers and contribute to CI/CD and DevOps practices.

Skills

Backend development

Java/J2EE

Spring Boot

AWS

CI/CD

Tools

Docker

Kubernetes

OpenShift

Jenkins

GitHub Actions

Terraform

Job description

Location: Torrence, CA ( Hybrid- 4 days onsite and 1 day remote)-

Rate: $65/hr on W2

Key Responsibilities:

• 5-8+ years of professional software development experience, with a strong focus on backend development using Java/J2EE, Spring Boot, Spring Data JPA, Hibernate, and related open-source frameworks.
• Strong hands-on experience designing, developing, and supporting cloud-native applications on AWS, utilizing services such as Lambda, API Gateway, EKS, ECS, S3, RDS, DynamoDB, SNS, SQS, EventBridge, Amazon MQ, MSK (Kafka), CloudWatch, and IAM.
• Proficient in microservices architecture, RESTful APIs, event-driven systems, and serverless application development, with a strong understanding of distributed systems design principles.
• Experience with containerization and orchestration technologies, including Docker, Kubernetes, Amazon EKS, and/or Red Hat OpenShift.
• Strong understanding of Java fundamentals, JVM internals, concurrency, multithreading, performance optimization, and functional programming concepts (Lambda Expressions, Streams API, CompletableFuture, etc.).
• Experience with relational and NoSQL databases, including Amazon RDS, PostgreSQL, MySQL, DynamoDB, and related data modeling and performance optimization techniques.
• Hands-on experience implementing CI/CD pipelines and DevOps practices using tools such as Jenkins, GitLab CI/CD, GitHub Actions, AWS CodePipeline, Terraform, CloudFormation, or similar technologies.
• Knowledge of cloud security and application security best practices, including IAM, OAuth2, OpenID Connect, JWT, secrets management, encryption in transit and at rest, and secure API design.
• Strong problem-solving, debugging, troubleshooting, and performance tuning skills in large-scale production environments.
• Experience working in Agile/Scrum teams, participating in architecture discussions, code reviews, technical design, and mentoring junior engineers.
• Experience leveraging AI-assisted engineering tools (GitHub Copilot, Amazon Q, Cursor, Claude, OpenAI, or similar) to improve development productivity, code quality, testing, documentation, and troubleshooting.