Java Developer

Aquent is partnering with a leading financial services organization that stands at the forefront of digital transformation, dedicated to empowering individuals and institutions through innovative technology and robust security. This organization is committed to building mission-critical platforms that ensure secure, high-performance interactions for millions of users, shaping the future of financial technology. Join a team where your expertise will directly contribute to securing digital identities and access on a massive scale, driving innovation in a dynamic and security-sensitive environment.

Shape the Future of Digital Identity and Access Management

Are you a seasoned Software Engineer passionate about crafting secure, scalable, and high-performance systems? We are seeking a visionary Senior Software Engineer to design, build, and operate next-generation platforms that leverage cutting-edge Java-based API development, cloud-native deployments, and modern access management protocols. This is an unparalleled opportunity to own critical services, push the boundaries of performance and reliability, and champion AI-assisted development within a crucial security domain. Your contributions will directly impact the seamless and secure experience of millions of users, driving the core of our digital ecosystem.

What You'll Do: Drive Impact and Innovation

As a key member of our engineering team, you will be instrumental in delivering robust solutions that form the backbone of our secure digital ecosystem. You will contribute to critical initiatives by:

• Designing, developing, and maintaining high-performance Java services, with a strong focus on REST-based APIs and leveraging your deep Security Subject Matter Expertise.
• Building cloud-native, horizontally scalable services deployed across public cloud platforms.
• Securing APIs using advanced authentication and authorization flows, including OpenID Connect (OIDC), OAuth 2.0, and SAML.
• Implementing API-first designs with stringent contract discipline, ensuring backward compatibility and clarity for all integrations.
• Constructing and operating highly resilient systems designed for fault tolerance, graceful degradation, and rapid recovery, meeting strict Service Level Agreements (SLAs) for latency (< 50ms), throughput (> 5,000 TPS), availability ( 99.9%), and error budgets (< 0.1%).
• Applying advanced resilience patterns such as timeouts, retries, circuit breakers, bulkheads, and rate limiting to ensure system stability.
• Participating actively in production support, incident response, root cause analysis (RCA), and continuous reliability improvement initiatives.
• Utilizing CI/CD pipelines for automated build, test, and deployment processes, ensuring rapid and reliable delivery.
• Owning the entire build deploy run lifecycle, which includes comprehensive monitoring, alerting, and capacity planning.
• Working with containerized workloads and implementing modern deployment strategies such as blue/green deployments, canary releases, and feature flags.
• Actively leveraging AI-assisted development tools to accelerate feature delivery, enhance code quality, improve test coverage, and assist with refactoring, documentation, and troubleshooting.
• Championing responsible and effective AI usage as an integral part of daily engineering workflows.
• Collaborating seamlessly with platform, security, Site Reliability Engineering (SRE), and product teams to deliver comprehensive end-to-end solutions.
• Contributing significantly to architecture reviews, design discussions, and critical technical decision-making processes that shape our future.

What You'll Bring: Your Expertise and Qualifications

Must-Have Qualifications:

• 6+ years of strong Java expertise, with proven experience building production-grade services that are highly reliable and performant.
• 6+ years of hands-on API development experience, specifically with RESTful services and robust API security implementations.
• Demonstrated cloud deployment experience on public cloud platforms.
• 2+ years of solid experience with critical Access Management protocols, including OAuth 2.0, OpenID Connect (OIDC), and SAML2.0.
• Proven track record of building and operating high-criticality systems that adhere to strict Service Level Agreements (SLAs).
• Strong understanding of distributed systems principles, concurrency, performance optimization techniques, and system resiliency.
• Extensive experience with observability tools and practices (metrics, logs, traces) and effective production troubleshooting methodologies.