Remote Java React Jobs in Valencia, CA (NOW HIRING)

Senior Software Engineer

Senior Software Engineer (Backend / Platform)

Location: Fully Remote (U.S. only)
Compensation: $160,000 - $185,000 base + bonus

About the Company

We are a large, established media and technology organization undergoing a major platform transformation. The team is rebuilding mission-critical systems from legacy infrastructure into a modern, cloud-native, event-driven architecture that supports large-scale, real-time operations.

This is a high-impact opportunity to help shape the next generation of systems powering complex, high-volume business workflows at national scale.

Role Overview

We're looking for a Senior Software Engineer with strong backend expertise to help design and build scalable platform services.

This is a hands-on role focused on distributed systems, microservices, and cloud-native development. You'll work closely with a remote engineering team to modernize legacy systems, build new services, and integrate external platforms.

You'll also contribute to system design, mentor engineers, and help drive engineering best practices across the team.

What You'll Do

• Design and build scalable APIs and microservices across core platform domains
• Lead modernization efforts from legacy systems to cloud-native architectures
• Build event-driven systems for real-time processing and system communication
• Integrate third-party SaaS platforms and external systems
• Architect distributed systems for scalability, reliability, and performance
• Define API contracts using REST and/or GraphQL
• Work with relational and NoSQL data stores
• Deploy and manage services in AWS using containerized infrastructure
• Improve system observability, monitoring, and performance
• Mentor junior engineers and contribute to team growth
• Collaborate with cross-functional teams on product and technical direction

What We're Looking For

• 7+ years of software engineering experience
• Strong backend experience with Java (Spring Boot preferred) or similar
• Deep understanding of microservices and distributed systems
• Experience with event-driven architecture (Kafka or similar)
• Strong experience building scalable, high-performance systems
• Hands-on experience with AWS (GCP or Azure also considered)
• Experience with Docker and Kubernetes
• Strong database experience (PostgreSQL, MySQL, Redis, or NoSQL systems)
• Solid understanding of API design, authentication, and system design
• Experience with CI/CD and infrastructure as code (Terraform preferred)
• Experience with monitoring and observability tools (Datadog, Grafana, etc.)
• Strong communication skills in a remote environment

Nice to Have

• Experience with large-scale or enterprise platforms
• Background in high-volume or transaction-heavy systems
• Experience with legacy system modernization
• Exposure to React or Vue
• Experience with billing, inventory, or contract-based systems

Why Join

• High-impact role tied to a large-scale platform transformation
• Opportunity to build modern systems from the ground up
• Strong ownership and influence on technical direction
• Work on complex, real-world systems at scale

- For this position, you must be currently authorized to work in the United States without the need for sponsorship for a non-immigrant visa. CyberCoders will consider for Employment in the City of Los Angeles qualified Applicants with Criminal Histories in a manner consistent with the requirements of the Los Angeles Fair Chance Initiative for Hiring (Ban the Box) Ordinance.This job was first posted by CyberCoders on 07/02/2026 and applications will be accepted on an ongoing basis until the position is filled or closed.Everforth CyberCoders is proud to be an Equal Opportunity Employer
All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, sexual orientation, gender identity or expression, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, status as a crime victim, disability, protected veteran status, or any other characteristic protected by law. Our hiring process includes AI screening for keywords and minimum qualifications, and a virtual recruiter as part of the application process. A human recruiter reviews all results. Click here for details on our virtual recruiter . Everforth CyberCoders will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable state and local law, including but not limited to the Los Angeles County Fair Chance Ordinance, the San Francisco Fair Chance Ordinance, and the California Fair Chance Act. Everforth CyberCoders is committed to working with and providing reasonable accommodation to individuals with physical and mental disabilities. Individuals needing special assistance or an accommodation while seeking employment can contact a member of our Human Resources team at Benefits@CyberCoders.com to make arrangements.