Senior Software Engineer

Overview

Placement Type:

Temporary

Salary:

$62.10-69 Hourly

Start Date:

Mar 6, 2026

Partner with Aquent to join a pioneering organization at the forefront of the financial services sector, where innovation meets impact. We are seeking a visionary Senior Software Engineer to drive the design, development, and operation of high-throughput, low-latency, and mission-critical platforms. In this pivotal role, you will be instrumental in shaping the future of our core services, leveraging cutting-edge Java-based API development, cloud-native architectures, advanced access management protocols, and AI-assisted software development to deliver unparalleled reliability and performance in a security-sensitive environment.

Your Impact & Contribution" but original text retained"

As a Senior Software Engineer, you will own critical services with stringent reliability, performance, and availability SLAs, operating r expertise will directly influence our product delivery lifecycle, from conceptualization to production, ensuring timely and budget-friendly outcomes. You ll lead solution development, champion Agile practices, and collaborate closely with product owners and stakeholders to translate business needs into robust, scalable software. This role offers a unique opportunity to innovate, mentor, and contribute to a resilient, high-performing technical ecosystem.

• Lead the full software development lifecycle, guiding solutions from QA and UAT through to production deployment.
• Drive Agile software development practices, managing day-to-day activities and fostering a collaborative team environment.
• Partner with product owners and cross-functional stakeholders to ensure successful, on-time, and on-budget project delivery.
• Design, develop, and maintain high-performance, REST-based API services using modern Java.
• Build and deploy cloud-native, horizontally scalable services on leading public cloud platforms.
• Secure APIs utilizing advanced access management protocols including OIDC, OAuth 2.0, and SAML.
• Implement API-first designs, ensuring strong contract discipline, backward compatibility, and clarity.
• Engineer and operate highly resilient systems, meeting demanding SLAs for API latency (< 50ms), throughput (> 5,000 TPS), availability (99.9%), and error budgets (< 0.1%).
• Design for fault tolerance, graceful degradation, and rapid recovery, applying resilience patterns like timeouts, retries, and circuit breakers.
• Utilize CI/CD pipelines for automated build, test, and deployment processes, owning the build-deploy-run lifecycle including monitoring, alerting, and capacity planning.
• Work with containerized workloads and modern deployment strategies such as blue/green and canary deployments.
• Actively leverage AI-assisted development tools to accelerate feature delivery, enhance code quality, improve test coverage, and streamline refactoring and documentation.
• Champion responsible and effective AI usage within daily engineering workflows.
• Collaborate extensively with platform, security, and site reliability engineering (SRE) teams, contributing to architectural reviews and technical decision-making.
• Conduct periodic code quality reviews and provide mentorship to onshore and offshore development teams.
• Identify technology risks early and establish effective mitigation plans.

• 8+ years of hands-on software development experience, including 5+ years in a team leadership capacity.
• Strong Java expertise (modern versions like Java
  17) with a proven track record of building production-grade services.
• 8+ years of hands-on API development experience, including designing RESTful services and implementing API security.
• Demonstrated experience with cloud deployment on leading public cloud platforms.
• 2+ years of solid experience with Access Management protocols: OAuth 2.0, OpenID Connect (OIDC), and SAML.
• Proven track record of building and operating high-criticality systems with strict Service Level Agreements (SLAs).
• Deep understanding of distributed systems, concurrency, performance optimization, and system resiliency.
• Experience with observability tools (metrics, logs, traces) and effective production…