
Senior Full Stack Software Developer
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Overview
Schedule
Full-time
Career level
Senior-level
Remote
On-site
Compensation
$100,000-$130,000/year
Benefits
Health Insurance
Paid Vacation
Career Development
Job Description
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 AustinAbout ApexOS360ApexOS360 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 RoleOwn 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- Build third-party integrations (QuickBooks, Sage, DocuSign, scheduling/ERP systems)- Develop mobile functionality via React Native, Flutter, or PWA with offline capabilityRequirements- 5+ years professional software development experience- Proven track record taking a product from concept to live production deployment- Experience with multi-tenant SaaS or enterprise platform architecture- Strong full-stack skills: modern front-end frameworks, server-side languages, relational databases- Deep system design and architecture understanding- Cloud platform experience (AWS/Azure/GCP) including DevOps, CI/CD, and containerization- Strong security fundamentals: OAuth 2.0, JWT, RBAC implementation- Experience with API development, third-party integrations, and data conflict resolution- Ability to work independently and communicate clearly to non-technical leadership- Bias toward action — ship and iterate over endless planningNice to Have- Construction tech, project management platforms, or B2B SaaS experience- Mobile development (React Native, Flutter)- Startup or small-team environment background- Accounting system integrations (QuickBooks, Sage)- Real-time dashboards or BI features- Knowledge of construction workflows and field operationsWhat We Offer- Ground-floor role with direct product and company impact- Direct access to leadership with no management layers- Full technical autonomy and ownership- Competitive compensation with potential equity/profit-sharing- Fast-paced environment that values results over process
Compensation: $100,000.00 - $130,000.00 per year
Apex Multifamily Builders is your choice for construction projects for multifamily and commercial properties. Apartment communities renovations and restorations. Property maintenance and management. Roofing and flooring fixtures/repairs. Miscellaneous builds and parking structures repairs. Storage tank inspection, engineering, and maintenance. Much more services.
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FAQs About Senior Full Stack Software Developer Jobs at Apex Multifamily Builders
What is the work location for this position at Apex Multifamily Builders?
This job at Apex Multifamily Builders is located in Austin, Texas, according to the details provided by the employer. Some roles may also include multiple work locations depending on the requirement.
What pay range can candidates expect for this role at Apex Multifamily Builders?
Candidates can expect a pay range of $100,000 and $130,000 per year.
What employment applies to this position at Apex Multifamily Builders?
Apex Multifamily Builders lists this role as a Full-time position.
What experience level is required for this role at Apex Multifamily Builders?
Apex Multifamily Builders is looking for a candidate with "Senior-level" experience level.
What is the process to apply for this position at Apex Multifamily Builders?
You can apply for this role at Apex Multifamily Builders either through Sonara's automated application system, which helps you submit applications 10X faster with minimal effort, or by applying manually using the direct link on the job page.