Sr. Java Software Engineer III
Job Location:
Buffalo, IA - USA
Hourly Salary:
USD 80 - 88
Posted:
4 September 2026 (18 hours ago)
Application Deadline:
2 December 2026
Vacancies:
1 Vacancy
Job Summary
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 Youll 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 Youll 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
Questions about any of our jobs Email us at
View all of our open jobs here:
Required Experience:
Senior IC