Senior Cloud Backend Engineer (Java / Azure )

Lighthouse Technology Services is partnering with our client to fill their Senior Cloud Backend Engineer with expertise in Java and Azure position! This is a 12+ month contract with potential to hire and will be on site 4 days per week in Buffalo, New York. This role will be a W2 employee of Lighthouse Technology Services. No C2C or subcontracting arrangements will be considered.

Position Overview:

We are seeking a highly analytical and technically strong Senior Backend Engineer to design, develop, and enhance enterprise-grade applications in a secure, cloud-enabled environment. This role serves as a principal technical contributor across complex initiatives-translating business requirements into scalable, resilient, and well-architected backend solutions.

You will lead systems analysis, drive technical design, and build modern REST-based services leveraging Java, Spring Boot, and Azure cloud services, while ensuring compliance with risk, regulatory, and enterprise governance standards.

What You'll Be Doing:

Backend Architecture & Development

• Design, develop, and enhance secure RESTful APIs using Java (OOP, concurrency, data structures) and Spring Boot
• Architect and implement scalable backend solutions within Microsoft Azure
• Develop and integrate Azure Functions and cloud services to support distributed enterprise workflows
• Ensure proper system design across application layers including service orchestration, authentication, monitoring, and error handling
• Build robust HTTP client integrations to interface with internal and third-party systems

Cloud & Integration Engineering

• Configure and manage Azure services, including:
• Azure Functions
• Service integrations
• Key Vault
• Managed Identities
• Application monitoring
• Implement secure OAuth 2.0 authentication and token-based access controls
• Design and manage API integrations, ensuring reliability, resilience, and fault tolerance
• Troubleshoot complex system interaction issues across integrated platforms

Systems Analysis & Technical Leadership

• Lead complex systems analysis, design reviews, and enhancement initiatives
• Evaluate interdependencies across applications, infrastructure, and vendor platforms
• Prepare detailed technical specifications, design artifacts, and documentation
• Direct and coordinate work of less experienced developers on small-to-large scale initiatives
• Prepare technical estimates, implementation plans, and project assessments
• Drive development standards, code quality, automation, and testing best practices

Testing, Quality & Support

• Develop and execute comprehensive unit testing strategies
• Prepare and execute test data and validation plans
• Support user acceptance testing (UAT) and production readiness reviews
• Debug, analyze, and resolve performance or integration issues

What You'll Need to Have:

A minimum of 5 years of systems analysis/application development experience

Backend Engineering

• Strong expertise in Java (OOP principles, concurrency, collections, multithreading)
• Advanced experience building RESTful APIs using Spring Boot
• Experience with build automation tools and CI/CD pipelines
• Strong unit testing and debugging capabilities

Azure & Cloud Services

• Hands-on experience developing within Microsoft Azure
• Proficiency with:
• Azure Functions
• Azure Service integrations
• Azure Key Vault
• Managed Identities
• Application Insights / Monitoring
• Experience designing cloud-native architectures

API & Security Integration

• Strong experience with Java HTTP client libraries
• Deep understanding of OAuth 2.0 authentication flows
• Experience implementing secure API-to-API communication
• Strong understanding of error handling, resilience patterns, and retry logic

Enterprise Engineering Competencies

• Experience coordinating between technical teams and business stakeholders
• Ability to analyze highly complex system interrelationships
• Experience preparing technical documentation and solution designs
• Proven ability to manage multiple concurrent, complex initiatives
• Strong understanding of SDLC methodologies and development governance standards
• Ability to estimate project effort, timelines, and delivery milestones

Preferred

• Experience within regulated or financial services environments
• Knowledge of enterprise application frameworks within banking systems

Pay Range: $64-$74/hr

Questions about any of our jobs? Email us at recruiting@lhtservices.com

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