Senior/Lead Java Engineer with Kubernetes Ingress

About Client

The client is a global provider of digital business transformation, digital engineering, and information technology (IT) outsourcing services that accelerate our clients’ journey to their digital future. The company readily understands its clients' business challenges and uses its domain expertise to deliver innovative applications of technology to address their critical business challenges.

It helps clients execute successful end-to-end digital business transformation initiatives.

Rate Range

$60-$63/Hr

Job Description

• We are seeking a Senior / Lead Engineer with 8–12 years of core engineering experience to join the Client Payments team supporting the Pay Edge Application.
• The ideal candidate must possess genuine, practical hands-on experience in Kubernetes Ingress and traffic routing, combined with strong microservices engineering skills in Java and Spring Boot.
• You will be responsible for designing resilient microservices, configuring secure traffic routing, and maintaining financial-grade performance standards.
• Design, implement, and maintain production-grade Kubernetes Ingress controllers (NGINX, HAProxy, Traefik, Istio Gateway).
• Configure host-based and path-based traffic routing, load balancing, and reverse proxying for high-availability payment services.
• Manage TLS/SSL termination, certificate rotation, and secure external/internal traffic boundaries.
• Perform advanced troubleshooting on routing failures, HTTP 4xx/5xx errors, connectivity bottlenecks, DNS mapping, and controller issues.
• Architect and build scalable, secure microservices using Java and Spring Boot.
• Integrate asynchronous messaging and transaction streaming using Kafka.
• Ensure compliance with financial-grade security, low-latency processing, and high-resiliency requirements.
• Implement automated CI/CD deployment pipelines using Jenkins, GitLab CI, and Argo CD.
• Deep hands-on production experience configuring, managing, and troubleshooting Kubernetes Ingress resources and controllers (NGINX Ingress Controller, HAProxy, Traefik, or equivalent).
• Practical experience with host-based and path-based routing, service exposure, reverse proxying, load balancing, TLS termination, certificate management, and security controls.
• Strong hands-on development skills in Java and Spring Boot (Go or Python experience is also relevant).
• Hands-on experience managing TLS certificates and securing endpoints.
• Real-world examples of diagnosing and resolving complex Ingress routing or controller incidents.
• Hands-on experience with cloud platforms (AWS, GCP, or Azure) and containerization/orchestration tools (Docker, Kubernetes).
• Apache Kafka or equivalent enterprise messaging systems for event-driven architecture.
• Hands-on experience with CI/CD pipelines (Jenkins, GitLab/GitHub Actions) and GitOps deployments using Argo CD.
• Terraform and/or Ansible for automated infrastructure provisioning. Amazon Web Services (AWS) or enterprise cloud infrastructure.

About ApTask

ApTask is a leading global provider of workforce solutions and talent acquisition services, dedicated to shaping the future of work. As an African American-owned and Veteran-owned company, ApTask offers a comprehensive suite of services, including staffing and recruitment solutions, managed services, IT consulting, and project management. With a focus on excellence, collaboration, and innovation, ApTask provides unparalleled opportunities for professional growth and development. As a member of the ApTask team, you will have the chance to connect businesses with top-tier professionals, optimize workforce performance, and drive success across diverse industries. Join us at ApTask and be part of our mission to empower organizations to thrive while fostering a diverse and inclusive work environment.

Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.

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