Senior Software Engineer

Covenant HR LLC; United States; Remote; USD 150,000 - 210,000; Part time

Job summary

Covenant HR LLC is seeking a Senior Software Engineer for a remote contract in the US. The role focuses on Java services, secure REST APIs, and cloud-native deployment on GCP with emphasis on high availability and performance.

You will design, build, and operate scalable systems, implementing OAuth 2.0, OIDC, and SAML 2.0, while collaborating with security, SRE, and product teams to ensure reliability and security at scale.

Qualifications

• 6+ years of hands-on Java development experience building production-grade services.
• 6+ years of RESTful API design, security, and scalable applications.
• 2+ years of IAM experience with OAuth 2.0, OIDC, and SAML 2.0.
• Cloud-native development experience on GCP or similar cloud platforms.
• Experience with high-throughput, low-latency systems and observability.

Responsibilities

• Design, develop, and maintain high-performance Java services and secure RESTful APIs for mission-critical platforms.
• Build cloud-native, horizontally scalable applications on GCP or equivalent cloud platforms.
• Implement secure authentication and authorization flows using OAuth 2.0, OIDC, and SAML 2.0.
• Develop API-first solutions with strong contracts, backward compatibility, and security.
• Engineer highly available systems with latency under 50ms and >5,000 TPS, 99.9%+ availability.
• Apply resilience patterns such as timeouts, retries, circuit breakers, and rate limiting.
• Own full application lifecycle including testing, deployment, monitoring, and capacity planning.
• Leverage CI/CD, containers, and modern deployment strategies like blue/green and canaries.
• Participate in production support, incident response, and RCA activities.
• Utilize AI-assisted tools to accelerate development, testing, and troubleshooting.
• Collaborate with platform engineering, security, SRE, and product teams for scalable solutions.
• Contribute to architectural reviews and long-term platform strategy.

Skills

Java development

REST API design

Identity & Access Mgmt

Cloud-native development

High availability & production support

Job description

Company

Our client is a leading provider of cybersecurity solutions and technology services, helping organizations strengthen their security posture, manage risk, and protect critical digital infrastructure. They offer the opportunity to work on innovative, large-scale technology initiatives in highly secure, mission-critical environments.

Job Title

Senior Software Engineer

Location

Remote in the US (Central Time Zone working hours)

Role Type

Contract (40 hours per week)

Must Have Skills

• Java Development: 6+ years of hands-on Java development experience building high-performance, production-grade services, with strong knowledge of distributed systems, concurrency, and performance optimization.
• RESTful API Development & Security: 6+ years of experience designing, developing, and securing RESTful APIs, including API security expertise and experience building scalable, mission-critical applications.
• Identity & Access Management: 2+ years of hands-on experience implementing authentication and authorization protocols, specifically OAuth 2.0, OpenID Connect (OIDC), and SAML 2.0.
• Cloud-Native Development: Strong experience developing and deploying cloud-native applications on GCP or equivalent cloud platforms, including containerization, CI/CD pipelines, and scalable deployment strategies.
• High-Availability Systems & Production Support: Proven experience building and operating high-throughput, low-latency systems with strict SLAs, including observability, incident response, troubleshooting, and performance optimization.

Responsibilities and Job Details

• Design, develop, and maintain high-performance Java services and secure RESTful APIs supporting mission-critical customer platforms.
• Build and deploy cloud-native, horizontally scalable applications on GCP or equivalent public cloud platforms.
• Implement secure authentication and authorization flows using OAuth 2.0, OIDC, and SAML 2.0.
• Develop API-first solutions emphasizing strong API contracts, backward compatibility, maintainability, and security best practices.
• Engineer highly available systems targeting API latency below 50ms, throughput exceeding 5,000 transactions per second, and availability above 99.9%.
• Implement resilience patterns, including timeouts, retries, circuit breakers, bulkheads, rate limiting, and graceful degradation.
• Own the full application lifecycle, including development, automated testing, deployment, monitoring, alerting, and capacity planning.
• Leverage CI/CD pipelines, containerized workloads, and modern deployment strategies such as blue/green deployments, canary releases, and feature flags.
• Participate in production support, incident response, root cause analysis, and continuous reliability and performance improvements.
• Utilize AI-assisted development tools such as GitHub Copilot to accelerate development, improve test coverage, support refactoring, and streamline troubleshooting.
• Collaborate with platform engineering, security, SRE, and product teams to deliver scalable, reliable, and secure solutions.
• Contribute to architecture reviews, technical design discussions, and engineering decisions to support long-term platform scalability and operational excellence.