Senior Java Software Engineer

iSpace, Inc.; Torrance (CA); Hybrid; USD 83,000 - 96,000; Full time

Job summary

iSpace, Inc. is seeking an experienced backend software engineer with strong Java/J2EE and Spring Boot skills to design, develop, and maintain cloud-native applications on AWS.

You will work in a hybrid Torrance, CA environment, delivering RESTful services and scalable microservices while collaborating in Agile teams. Qualified candidates have 5–8+ years of backend experience, proficiency with Docker/Kubernetes, and hands-on CI/CD and security practices.

Qualifications

• 5-8+ years of backend software development with Java/J2EE and Spring.
• Experience designing cloud-native apps on AWS (Lambda, API Gateway, EKS, RDS, DynamoDB).
• Proficient in microservices, REST APIs, and serverless patterns.
• Hands-on with Docker/Kubernetes and CI/CD tooling.

Responsibilities

• Design, develop, and support backend Java/J2EE services.
• Build cloud-native apps on AWS and manage databases.
• Implement CI/CD pipelines and DevOps practices.
• Mentor junior engineers in Agile teams.

Skills

Java/J2EE

Spring Boot

AWS

Microservices

REST APIs

Docker

Kubernetes

CI/CD

Security IAM/OAuth

Agile/Scrum

Databases

JVM performance

AI-assisted tools

Tools

Docker

Kubernetes

OpenShift

Terraform

CloudFormation

GitHub Actions

Jenkins

Lambda

API Gateway

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.