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Sr. Java Software Engineer III
Job in
Buffalo, Erie County, New York, 14201, USA
Listed on 2026-09-05
Listing for:
Lighthouse Technology Services
Full Time
position Listed on 2026-09-05
Job specializations:
-
Software Development
Java Developer, Backend Developer, Software Engineer, DevOps
Job Description & How to Apply Below
Sr. Java Software Engineer III
Lighthouse Technology Services is partnering with our client to fill their Sr. Java Software Engineer III position! This is a 12+ month contract and will be hybrid in Buffalo, NY.
This role will be a W2 employee of Lighthouse Technology Services. No C2C or subcontracting arrangements will be considered.
What You'll Be Doing:
- Lead complex systems analysis, design, and development efforts for enterprise Java applications
- Serve as principal application designer for critical components and major modifications
- Direct and mentor less experienced engineers, coordinating development tasks across projects
- Design and build scalable REST APIs and microservices using Java and Spring Boot
- Drive SaaS migration initiatives, implementing OAuth 2.0, retries, idempotency, and reconciliation logic
- Develop and deploy solutions within Azure, incorporating security, observability, and resiliency best practices
- Manage CI/CD pipelines and Infrastructure as Code (IaC) to streamline delivery
- Prepare technical specifications, test plans, and documentation for complex initiatives
- Evaluate vendor software and recommend new technologies to improve system performance
- Ensure adherence to development standards, risk protocols, and regulatory requirements
What You'll Need to Have:
- 6+ years of systems analysis and application development experience
- Advanced proficiency in Java, Spring Boot, and REST API development
- Strong understanding of concurrency, performance tuning, and enterprise-grade testing practices
- Proven experience with Azure cloud development, including security, observability, and resiliency
- Hands-on experience with CI/CD pipelines and Infrastructure as Code (IaC)
- Demonstrated expertise in enterprise API design, including OAuth 2.0, retries, and idempotency
- Experience supporting SaaS migrations, including data validation and reconciliation processes
- Proven mentoring and leadership capabilities within a technical project environment
Pay Range: $80-88/hr
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