Software Engineer

Planned Systems International, Inc. (PSI) is a Government Contractor seeking a Software Engineer to support the NOAA National Marine Fisheries Service. The role focuses on leading Java development, enhancing application functionality, and maintaining backend services while collaborating with cross-functional teams.

Responsibilities:

• Lead the application architecture design and technical roadmap for a new web application, REST APIs, and data pipeline
• Design, develop, and maintain secure and scalable backend services using Java, Spring Boot, Spring MVC, Spring Security
• Design, Implement and Document RESTful APIs using OpenAPI specifications and best practices for clear documentation and efficient communication
• Design and implement secure authentication and authorization for the web application, RESTful APIs, and data pipelines - using industry best practices such as API Gateways, API Keys, OAuth 2.0, OpenID Connect (OIDC), JWT, etc
• Collaborate with the front-end team to integrate UI components with backend services
• Troubleshoot and resolve complex technical issues, and collaborate with system administrators, DevOps engineers, and government stakeholders
• Develop and maintain high-quality technical documentation, including design specifications, deployment guides, and support manuals
• Write clean, maintainable, and well-documented code following best practices and coding standards
• Participate in code reviews, providing constructive feedback, and ensuring code quality

Requirements:

• Must have a strong understanding of application architecture design patterns and components such as monolith, microservices, event driven, message brokers, pub/sub, etc
• Must have proven previous experience leading the architecture and design of modern web applications and Restful APIs utilizing a modern native tech stack
• Very Strong backend development experience (5+ years) with Java, including in-depth knowledge of Spring Boot, Spring MVC, Spring Security
• Strong understanding of object-oriented programming (OOP) principles and design patterns
• Strong understanding of web application security, and best practices for prevention of security vulnerabilities such as OWASP Top 10, SQL Injection, Cross Site Scripting, CSRF, etc
• Strong understanding of data validation and sanitization best practices using frameworks such as hibernate validator
• Strong understanding and experience with authentication and authorization for web applications, APIs, and data pipelines - OAuth 2.0, OpenID Connect (OIDC), JWT
• Strong experience with Apache Tomcat
• Experience with Maven and/or Gradle for building and packaging Java web apps
• Experience deploying and managing applications on cloud, plus for GCP experience
• Understanding of agile methodologies (Scrum, Kanban)
• Experience with PostgreSQL, preferably in GCP CloudSQL
• Strong experience with integrating relational databases (PostgreSQL) and ORM frameworks (e.g., Hibernate, JPA, Spring Data JPA)
• Experience with automated database schema change versioning with Liquibase or similar tool
• Experience developing data pipelines to ingest, process, validate, and store structured and unstructured data in relational databases, data lakes, and/or lake houses
• Strong experience with RESTful API design and implementation, including strong familiarity with OpenAPI for API documentation and specification
• Strong understanding and experience with authentication and authorization for APIs, and data pipelines using best practices – API Gateways, API Keys, OAuth 2.0, OpenID Connect (OIDC), JWT, etc
• Experience with API validation and testing tools such as Postman, ReadyAPI, Swagger Validator, OpenAPI Validation
• Strong experience with GitHub and Git version control systems
• Strong CI/CD pipeline skills and proven experience creating pipelines and jobs using GitHub actions to deploy into GKE clusters. (Additional experience with GCP Cloud Build is a plus)
• Strong understanding and proven experience with containerization with Docker
• Strong understanding and proven experience with Terraform to version and automate infrastructure provisioning
• Previous experience working at the National Oceanic and Atmospheric Administration (NOAA)
• Previous experience working at the Department of Commerce
• Previous experience working for the Federal Government
• Strong knowledge and experience with IntelliJ IDEA Ultimate, including the use of AI coding agents and tools (ideally Gemini Code assist, and Gemini Cloud assist)
• Experience with React for frontend development (3+ years)
• Previous experience developing responsive and intuitive user interfaces using React, ensuring a seamless and engaging user experience