Senior Full-Stack Software Engineer

Job not on LinkedIn

🕒 September 30

🌽 Illinois – Remote

🌽 Illinois – Remote

💵 $80 - $100 / hour

⏳ Contract/Temporary

🟠 Senior

🧑‍💻 Full-stack Engineer

👻 Ghost score 20%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Ontrac Solutions

WebsiteLinkedInAll Job Openings

11 - 50 employees

Founded 2010

🤖 Artificial Intelligence

💼 Consulting

🤝 B2B

Artificial Intelligence • Consulting • B2B

Ontrac Solutions is an AI-first technology services firm that helps organizations design, implement, and scale AI-driven systems, cloud architectures, and enterprise platform integrations. They provide AI strategy and generative AI implementation (including RAG and intelligent search), cloud migration and optimization (multi-cloud architecture, Kubernetes, Terraform, GitOps, and FinOps), data and integration engineering, CRM/CMS/e-commerce platform development, and embedded technical talent / staff augmentation to move AI from experimentation into production. With innovation hubs in Chicago and Karachi, Ontrac focuses on delivering production-ready AI and cloud solutions that drive measurable business outcomes.

📋 Description

• 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

• 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