Senior Java Software Engineer

iSpace, Inc.
Torrance, California, United StatesContract$135,200–$135,200Posted Aug 25, 2026

About the role

Senior Java Developer

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

12 Plus Months Contract

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.

Responsibilities

  • Develop backend applications using Java/J2EE, Spring Boot, and related frameworks
  • Design and support cloud-native applications on AWS
  • Implement microservices architecture and RESTful APIs
  • Utilize containerization and orchestration technologies
  • Optimize performance and troubleshoot large-scale production environments
  • Participate in Agile/Scrum teams and mentor junior engineers

Qualifications

  • 5-8+ years of professional software development experience
  • Strong understanding of Java fundamentals and concurrency
  • Experience with CI/CD pipelines and DevOps practices
  • Knowledge of cloud security best practices
  • Experience with relational and NoSQL databases

Skills mentioned

JavaSpring BootAWSMicroservicesREST APIsDistributed SystemsEvent-Driven ArchitectureDockerKubernetesCI/CD

About iSpace, Inc.

iSpace is a global services company focused on Information Technology Services, Business Process Services, Location Based Services and Healthcare Solutions. Over the last decade, we have helped numerous corporations and institutions reach their business objectives and IT goals. iSpace services are centered in three areas - IT Outsourcing, IT Staff Augmentation, and Business Process Outsourcing. Our team of seasoned professionals based in the United States and India focus on providing results, driving innovation and affecting outcomes. Our clients have come to rely on our expertise, our commitment to quality, customer service and our innovative approach to problem solving to help create sustainable value for their customers and shareholders. Specializing in Healthcare, Entertainment, Automobile and Financial Services, we work with Fortune 1000 companies throughout the United States. Our commitment to customer satisfaction is reflected in the fact that over 90% of our client base have remained with us for over 10 years. "Our HITRUST certification clearly illustrates that our company, iSpace, continues to adopt and exceed industry-leading standards that enable us to stand out as a leader in healthcare software. Our cloud-based SaaS platforms continue to deliver value in Audit and Payment Integrity for Payers, along with demonstrating our commitment to highest standards for data protection and information security." said Ravi Kottapalli, Chief Technology Officer at iSpace.

Information Technology & Services1,001-5,000 employeesEl Segundo, CA