Sr Engineer– Java / Identity & CIAM

Job Title: Sr engineer- Java / Identity & CIAM Location: Southlake, TX / Austin, TX Duration: Contract Sr engineer- Java / Identity & CIAM

Role Summary

We are seeking a Senior Software Engineer to design, build, and operate high-

throughput, low-latency, mission-critical platforms. This role focuses on Java-

based API development, cloud-native deployments (GCP or equivalent), modern

access management protocols, and AI-assisted software development.

You will own services with strict reliability, performance, and availability SLAs,

operating at scale in a security-sensitive environment.

Key Responsibilities

Core Engineering

• Design, develop, and maintain high-performance Java services supporting

REST-based APIs & having good Security SME knowledge.

• Build cloud-native, horizontally scalable services deployed on GCP and/or

other public cloud platforms.

• Develop and secure APIs using OIDC, OAuth 2.0, and SAML-based

authentication and authorization flows.

• Implement API-first designs with strong contract discipline, backward

compatibility, and understandability.

Scale, Performance & Reliability

• Build and operate highly resilient systems with: API latency SLA- Throughput > 5,000 TPS

• Availability ≥ 99.9% Error budget- Design for fault tolerance, graceful degradation, and fast recovery.

• Apply resilience patterns such as timeouts, retries, circuit breakers, bulkheads, and rate limiting.

• Participate in production support, incident response, RCA, and continuous

reliability improvement.

Cloud & Deployment

• Use CI/CD pipelines for automated build, test, and deployment.
• Own build → deploy → run lifecycle, including monitoring, alerting, and capacity

planning.

• Work with containerized workloads and modern deployment strategies

(blue/green, canary, feature flags).

AI-Enabled Development

• Actively use AI-assisted development tools (e.g., Copilot in agentic mode) to:
• Accelerate feature development
• Improve code quality and test coverage
• Assist with refactoring, documentation, and troubleshooting
• Champion responsible and effective AI usage as part of daily engineering

workflows.

Collaboration

• Partner with platform, security, SRE, and product teams to deliver end-to-end

solutions.

• Contribute to architecture reviews, design discussions, and technical

decision-making.

Required Qualifications

• 6+ years Strong Java expertise with experience building production-grade

services.

• 6+ years Hands-on API development experience, including RESTful services

and API security.

• Cloud deployment experience on GCP and/or equivalent cloud platforms.
• 2+ Solid experience with Access Management protocols:
• OAuth 2.0
• OpenID Connect (OIDC)
• SAML2.0
• Proven experience building and operating high-criticality systems with strict

SLAs.

• Strong understanding of distributed systems, concurrency, and performance

optimization and resiliency.

• Experience with observability (metrics