Java Developer - Senior

job summary:

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.

location: Austin, Texas job type: Contract salary: $66.18 - 69.18 per hour work hours: 8am to 5pm education: Bachelors

responsibilities:

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:

o API latency SLA 5,000 TPS

o Availability ≥ 99.9%

o Error budget < 0.1%

• 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:

o Accelerate feature development

o Improve code quality and test coverage

o 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.

qualifications:

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:

o OAuth 2.0

o OpenID Connect (OIDC)

o 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, logs, traces) and production troubleshooting.

skills:

AI-assisted software development,API development,cloud-native,access management,Java-based,low-latency

Equal Opportunity Employer: Race, Color, Religion, Sex, Sexual Orientation, Gender Identity, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other legally protected group status.

At Randstad Digital, we welcome people of all abilities and want to ensure that our hiring and interview process meets the needs of all applicants. If you require a reasonable accommodation to make your application or interview experience a great one, please contact HRsupport@randstadusa.com.

Pay offered to a successful candidate will be based on several factors including the candidate's education, work experience, work location, specific job duties, certifications, etc. In addition, Randstad Digital offers a comprehensive benefits package, including: medical, prescription, dental, vision, AD&D, and life insurance offerings, short-term disability, and a 401K plan (all benefits are based on eligibility).

This posting is open for thirty (30) days.