Senior Full-Stack Software Engineer

Ontrac Solutions

. Own features end to end across the React frontend, Node.js service layer, and PostgreSQL data model .

Posted 9/30/2026contractRemote • Illinois • United StatesSenior💰 $80 - $100 per hourWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates extensive experience in full-stack development, particularly with React, Node.js, and PostgreSQL, while effectively managing deployment on Google Cloud Platform. Proficient in designing REST APIs, writing unit tests, and maintaining CI/CD pipelines to ensure high-quality software delivery.

Highest-signal resume keywords

React Frontend DevelopmentNode.js Service DevelopmentPostgreSQL Data ModelingJava Spring Boot Backend DevelopmentGoogle Cloud Platform Deployment

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

ReactNode.jsJavaSpring BootPostgreSQLSQLTypeScriptUnit TestingREST API DesignContainerization

Soft Skills

CollaborationCommunicationProblem-Solving

Tools & Technologies

GitMavenGradleDockerTerraformCI/CDCloud BuildGitHub Actions

Certifications & Qualifications

Google Cloud CertificationAssociate Cloud EngineerProfessional Cloud Developer

Industry Keywords

Web ApplicationsProduction Software EngineeringTechnical DocumentationIntegration TestingFigma Mockups

Tech Stack

Tools & technologies

CloudDockerGoogle Cloud PlatformGradleJavaJavaScriptJUnitMavenMockitoNode.jsPostgresReactSpringSpring BootSpringBootSQLTerraformTypeScript

About the role

Key responsibilities & impact

Own features end to end across the React frontend, Node.js service layer, and PostgreSQL data model
Design and implement application features spanning the React frontend, Spring Boot backend, and 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 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 Google Cloud Platform, including runtime services, the managed database, and object storage
Set up and maintain CI/CD pipelines covering build, test, and deployment for 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
Work closely with the Engagement Lead, Program Manager, and customer stakeholders from initial definition through final delivery

Requirements

What you’ll need

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, and 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