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Benefits:
401(k)
Bonus based on performance
Competitive salary
Health insurance
Opportunity for advancement
Paid time off
Profit sharing
Senior Full-Stack Software Developer - Must be in Austin
About ApexOS360
ApexOS360 is building an enterprise-grade operating platform for construction companies — project management, financials, field operations, document control, and real-time reporting in one system. Think Procore-level capability, built by people with 27+ years actually running construction projects across Texas and Colorado.
The Role
Own the entire product development process from day one. Architect, design, code, test, and deploy a production-grade SaaS platform on an aggressive timeline. You'll work directly with leadership, have full autonomy on technical decisions, and full accountability for results. This is a ground-floor opportunity to be the technical backbone of a product built to scale.
What You'll Do
Own the full development lifecycle: architecture, design, development, testing, deployment, and iteration
Design and build multi-tenant SaaS architecture with isolated data across multiple organizations
Build modular platform structure (project management, financials, document control, field ops, reporting) that scales independently
Develop data-rich front-end interfaces (React, Vue, or equivalent) including dashboards, Gantt charts, cost code views, and real-time collaboration tools
Build robust back-end systems (Node.js, Python, or similar) with RESTful/GraphQL APIs and automated business logic workflows
Design relational database schemas (PostgreSQL/MySQL) for complex construction data: projects, budgets, cost codes, change orders, contracts, lien waivers, daily logs
Implement role-based access control (RBAC) with multi-level permissions across user types
Build document management with version control, cloud storage (AWS S3), full-text search, and large file handling (100+ MB)
Set up cloud infrastructure (AWS/Azure/GCP): auto-scaling, load balancing, Docker/Kubernetes, CI/CD pipelines
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