Senior Software Developer

Required skills, experience, etc.: 7+ years of professional software development experience, 5+ years of Java (version 11+), Spring Boot, Spring framework, RESTful APIs and microservices, Azure, MS SQL Server

Preferred skills: prior experience working with large transit systems or public sector

Note: Need Visa-Independent candidates for this position, as client is not offering work authorization sponsorship for this position

Job Description

We are looking for a Senior Software Developer to design, develop, deploy, and support Java, Spring Boot, RESTful API, and Microsoft Azure cloud-native applications. This position will be a contract and hybrid in Alexandria, VA.

Due to the specific legal and contractual requirements associated with this position, this role will be direct employment with prime vendor. This position does not offer work authorization sponsorship now or in the future.

What You’ll Do

• Design, develop, test, and maintain enterprise applications using Java, Spring Boot, and Microsoft Azure technologies
• Develop and support RESTful APIs, microservices, and integrations with internal and external systems
• Build and maintain scalable, secure, and highly available cloud-native applications
• Integrate and process real-time data from APIs, messaging systems, and external data feeds
• Support application deployments, production troubleshooting, root cause analysis, and performance optimization
• Implement and maintain CI/CD pipelines, automated testing, and release management processes
• Collaborate with business analysts, architects, infrastructure teams, and developers to deliver technical solutions
• Participate in architecture discussions, code reviews, technical documentation, and development best practices
• Support enterprise applications and system integrations
• Contribute to application reliability, security, monitoring, and continuous improvement initiatives

Required Qualifications

• 7+ years of professional software development experience
• 5+ years of experience developing applications using Java (Java 11/17/21)
• 5+ years of experience with Spring Boot and Spring Framework
• 5+ years of experience developing RESTful APIs and microservices
• 5+ years of experience integrating distributed enterprise applications
• 5+ years of experience with object-oriented design, design patterns, multithreading, concurrency, and asynchronous processing
• 5+ years of experience with JSON, XML, HTTP/HTTPS, WebSockets, and third-party API integrations
• 5+ years of experience with SQL and relational databases such as Microsoft SQL Server or PostgreSQL
• 5+ years of experience troubleshooting application performance, memory utilization, and production issues
• 5+ years of experience using Git and GitHub, including branching, pull requests, and release management
• 3+ years of experience developing, deploying, and supporting applications in Microsoft Azure
• 3+ years of experience with Azure App Service, Azure Functions, Azure Container Apps, and Azure Container Registry
• 3+ years of experience with Azure SQL Database, Azure Storage, Key Vault, Azure Monitor, and Application Insights
• 3+ years of experience building CI/CD pipelines and automated testing using GitHub Actions or Azure DevOps
• 3+ years of experience with Maven or Gradle and Docker containerized deployments
• Industry certifications in Azure, Java, or cloud technologies

Preferred Qualifications

• Experience supporting large-scale enterprise environments
• Experience with real-time data processing and event-driven architectures
• Knowledge of OpenTripPlanner (OTP), GTFS, or other geospatial/data integration platforms
• Experience with Azure networking, including Virtual Networks, Private Endpoints, DNS, Front Door, API Management, and Entra ID
• Experience with cloud security, high availability, disaster recovery, and cost optimization
• Experience working in highly regulated or public-facing environments