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Sr. Developer

Job in Irvine, Orange County, California, 92713, USA
Listing for: Apex Systems
Contract position
Listed on 2026-02-16
Job specializations:
  • Software Development
    Software Engineer, Cloud Engineer - Software
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below

Sr. Developer, Innovations

Job#: 3017534

Location: Onsite in Irvine, CA (5 days/week)

Contract: 6-Month Contract-to-Hire (Long-Term Growth Opportunity)

Are you passionate about building cutting‑edge, cloud‑native applications? Join our team as a Sr. Developer, Innovations
, where you’ll play a pivotal role in designing, developing, and deploying scalable solutions using the latest technologies and architectural principles. This is an exciting opportunity to work on transformative projects with long‑term career potential.

What You’ll Do
  • Design, develop, and maintain microservices‑based applications for scalability and performance.
  • Utilize containerization technologies (Docker) and manage orchestration with Kubernetes.
  • Implement CI/CD pipelines, Infrastructure as Code (IaC), and automated testing in a Dev Ops environment.
  • Architect resilient, fault‑tolerant applications with high availability and quick recovery.
  • Champion API‑first design principles and create well‑documented APIs for seamless integration.
  • Apply agile methodologies for rapid, iterative development cycles.
  • Implement robust monitoring and logging using tools like Prometheus and Grafana.
What We’re Looking For
  • Bachelor’s degree in Computer Science or related field (or 5+ years equivalent experience).
  • 6+ years in software development with expertise in cloud‑native applications.
  • Strong experience in C#, Python, Rust, and modern JavaScript frameworks (React, Angular, Vue).
  • Hands‑on experience with AWS, Azure, or GCP, containerization, and orchestration.
  • Knowledge of microservices architecture, API gateways, and service mesh.
  • Familiarity with AI‑driven development tools for code generation, debugging, and test automation.
  • Preferred:

    Experience with Kafka/Rabbit

    MQ, event‑driven architectures, and integrating ML/AI models.
Why Join Us?
  • Competitive pay and benefits (Medical, Dental, Vision, 401K).
  • Paid time off and tuition reimbursement.
  • Opportunity to work on innovative projects with long‑term growth potential.
  • Collaborative, fast‑paced environment where your ideas make an impact.

Apex Systems is a world‑class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including Clearly Rated's Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico.

Apex uses a virtual recruiter as part of the application process.  for more details.

Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership or any other characteristic protected by law.

Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Benefits Department at [email protected] or .

(Do not submit resumes or solicit consultants to this email address). United Healthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Apex Systems.

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