Senior Full-Stack Software Engineer

Ontrac Solutions is seeking a Senior Full-Stack Software Engineer to support a critical customer engagement through a contractor program. The role owns end-to-end feature development across React, Spring Boot, Node.js, PostgreSQL, and Google Cloud Platform, while collaborating with engagement teams and customer stakeholders from requirements definition through delivery.

Responsibilities:

• Design and implement application features spanning the React frontend, the Spring Boot backend, and the PostgreSQL schema
• Build React components and views from Figma mockups provided by the design team
• Design and evolve the PostgreSQL data model, including authoring SQL and writing schema migrations
• Build and maintain the REST API layer between the frontend and the Spring Boot services
• Develop and maintain supporting Node.js services and their integration with the Spring Boot backend
• Write unit tests for new and modified code as part of the standard development workflow
• Deploy and configure application components on GCP, including runtime services, the managed database, and object storage
• Set up and maintain CI/CD pipelines covering build, test, and deployment for both the Java and Node.js components
• Participate in working sessions with the engagement team and customer stakeholders to define requirements and technical approach
• Produce technical documentation covering architecture, API contracts, and the data model

Requirements:

• 8+ years of professional software engineering experience delivering production web applications
• Bachelor's degree in Computer Science or a related field, or equivalent practical experience
• Backend development in Java with Spring Boot, including REST API design, Spring Data JPA or an equivalent persistence layer, and Spring Security
• Frontend development in React, including state management and integration with backend APIs
• Working proficiency in Node.js for building and maintaining supporting services, including REST API design and one common framework (Express, Fastify, or NestJS)
• Ability to translate Figma mockups into production React components
• Relational data modeling in PostgreSQL, including authoring SQL queries, joins, and schema migrations
• Writing unit tests and maintaining test coverage as part of the development workflow, using tools such as JUnit and Mockito on the Java side
• Deployment and operation of applications on Google Cloud Platform (for example Cloud Run, Cloud SQL, Cloud Storage)
• Proficiency with Git-based version control and pull request workflows
• TypeScript across frontend and Node.js services
• Build tooling for Java projects (Maven or Gradle)
• Containerization with Docker
• CI/CD pipeline configuration (Cloud Build or GitHub Actions)
• Infrastructure as code with Terraform
• Google Cloud certification (Associate Cloud Engineer or Professional Cloud Developer)
• Integration and end-to-end testing experience beyond the unit level