OVERVIEW
OnTrac is seeking a Java Lead (Spring WebFlux) to lead a development team building and supporting reactive microservices for a banking and payments customer in Las Vegas. You will own technical design, API and microservice architecture, and application stability, including production support, incident management, and root cause analysis. This role is ideal for a hands-on technical lead with deep Spring reactive programming experience who can lead a team, own production, and keep management informed with clear, regular updates.
ENGAGEMENT
• Expected start: ASAP
• Duration: long term; full-time or contract
• Location: Las Vegas, NV — onsite Monday to Friday
• You must be located in, or willing to relocate to, the Las Vegas area, and authorized to work in the United States
RESPONSIBILITIES
• Lead a development team: set technical direction, review code, and mentor engineers
• Design and build reactive microservices with Java, Spring Boot, and Spring WebFlux
• Design APIs and apply sound architecture and design patterns across services
• Build event-driven integrations with Kafka
• Own production support and application stability: incident response, root cause analysis, and permanent fixes
• Work across SQL and NoSQL data stores, Kubernetes, and CI/CD pipelines
• Provide regular status and technical updates to management and stakeholders
REQUIRED QUALIFICATIONS
• Bachelor's degree, plus 12+ years of IT experience after completing it
• Proven technical lead experience, leading a development team
• Spring reactive programming with Spring WebFlux (must have)
• Java, Spring Boot, Spring MVC, and microservices design
• API design, design patterns, and architecture design
• Kafka or similar message queues
• Banking and payments domain experience
• Strong production support, incident management, RCA, and application-stability ownership
• SQL and NoSQL databases (e.g., SQL Server, PostgreSQL, MySQL, Redis, MongoDB)
• Strong client-facing communication
USEFUL QUALIFICATIONS
• Cloud platforms (AWS, Azure, or GCP)
• Kubernetes, DevOps processes, and CI/CD tools
• React
Skills Required
- Bachelor's degree
- 12+ years of IT experience after completing the bachelor's degree
- Experience leading a development team
- Spring reactive programming with Spring WebFlux
- Java, Spring Boot, Spring MVC, and microservices design experience
- API design, design patterns, and architecture design experience
- Kafka or similar message queue experience
- Banking and payments domain experience
- Production support, incident management, root cause analysis, and application stability ownership
- Experience with SQL and NoSQL databases, including examples such as SQL Server, PostgreSQL, MySQL, Redis, or MongoDB
- Strong client-facing communication skills
- Cloud platform experience with AWS, Azure, or GCP
- Kubernetes, DevOps processes, and CI/CD tools experience
- React experience
What We Do
Ontrac Solutions helps organizations adopt emerging technologies to scale smarter. We build GenAI platforms, predictive analytics solutions, and drive cloud adoption. We're also a HubSpot partner, supporting landing page design, website development, CRM integration, workflows, and automation. From infrastructure to marketing ops, we deliver strategy and execution that drives growth.







