Skip to content
VGSVGS

Sr. Software Engineer

Develops and maintains high-throughput Payments services, Card Attributes, Webhooks, and Event Pipeline using Java/Spring and Kafka in cloud-native microservices architecture. Requires 6+ years expertise in Java, Spring, Kafka, Kubernetes, AWS, and observability tools.

About the job

Responsibilities

  • Engage in all phases of the software lifecycle: design, implement, test, deploy, and support services in production.
  • Maintain Payments services, Card Attributes, Webhooks, and Event Pipeline.
  • Collaborate with cross-functional teams to design, build, and optimize high-throughput, fault-tolerant services.
  • Maintain a culture of code quality through rigorous testing, automation, and code reviews.
  • Be proactive and innovative with feedback to build world-class product.

Requirements

  • Deep hands-on expertise (6+ years) in Java and the Spring Framework (Spring Boot, Spring Security, etc.) for building high-scale, production-ready microservices in a SaaS company.
  • Strong practical experience working with Kafka (MSK) or other message brokers for building event-driven architectures and handling high-volume data streams.
  • Solid understanding and hands-on experience working with cloud-native architecture, microservices, CI/CD (CircleCI, GitHub Actions, Argo), GitOps, APIs and API Gateway, Docker, Kubernetes (EKS), Python, and AWS services.
  • Strong experience implementing and leveraging Observability solutions (metrics, logging, tracing) using tools like OpenTelemetry, Grafana, and Prometheus to diagnose and resolve production issues.
  • Strong written and verbal communication skills.

Nice-to-Haves

  • Familiarity with the payment processing ecosystem (PCI DSS, tokenization, card networks, processors).

Skills

Java, Spring Boot, Spring Security, Kafka, Kubernetes, Docker, AWS, Python, OpenTelemetry, Prometheus, Grafana, CircleCI, GitHub Actions, Argo, GitOps

ZoomInfo

ZoomInfo

Bethesda, MD

Senior Software Engineer
$140k+/yrHybrid6+ YOEBackend Engineering

Build and scale high-performance backend services and microservices for a platform serving millions of users. The role requires strong Node.js expertise, distributed-systems experience, and technical leadership, with Java, cloud, and AI-assisted development experience preferred.

ZoomInfo

ZoomInfo

Bethesda, MD

Senior Software Engineer
$140k+/yrHybrid6+ YOEBackend Engineering

Senior backend engineer building and scaling Node.js microservices, APIs, and distributed systems for a high-volume platform. Requires 6+ years of backend development experience, technical leadership, and expertise in performance, reliability, and modern development practices.

NinjaTrader

NinjaTrader

Chicago, IL

Senior Software Engineer II, Platform/API
$140k+/yrHybrid6+ YOEBackend Engineering

Owns the backend service layer for account activation and onboarding, building resilient Node.js and TypeScript workflows for identity verification, funding, and third-party integrations. Requires 6+ years of backend experience, event-driven architecture expertise, and production skills with cloud infrastructure and Kubernetes.

NinjaTrader

NinjaTrader

Chicago, IL

Senior Software Engineer II, Backend
$140k+/yrHybrid6+ YOEBackend Engineering

Leads development and operation of production Rust backend services for account creation, identity verification, and KYC/CIP decisioning. The role requires 6+ years of software development experience, strong async Rust expertise, secure data-handling experience, and the ability to drive cross-team technical design.

GameChanger

GameChanger

United States

Senior Backend Software Engineer, Subscriptions Enablement
$140k+/yrRemote6+ YOEBackend Engineering

Build and evolve subscription and payment platforms, APIs, and integrations while improving reliability, scalability, and maintainability. The role requires 6+ years of software development experience, backend expertise, and leadership of complex technical designs.