Full-Stack Software Engineer (React / Python / FastAPI)
DETAILS
Location: Fort Worth, TX 76132 (4-5 days onsite)
Position Type: 6M C2H
Hourly / Salary: to $65W2+ (based on experience level)

JOB SUMMARY
Vaco is currently seeking a Full-Stack Software Engineer (React / Python / FastAPI) for a 6M C2H opportunity that is located in Fort Worth, TX 76132 (4-5 days onsite). The Full-Stack Software Engineer will join an established SaaS company delivering real-time market intelligence, pricing benchmarks, predictive analytics, interactive dashboards, and procurement decision support tools. The Full-Stack Software Engineer will contribute to the development of a platform that aggregates complex data, provides actionable insights through time-series visualizations and forecasting, and helps users in dynamic, price-volatile markets optimize decisions and reduce costs. The Full-Stack Software Engineer will maintain, extend, and improve this production platform. The Full-Stack Software Engineer will work within a large, mature codebase that powers live analytics for active users.

About the Project: The Software Engineer will own features end-to-end, including database schema / migrations, API design / implementation, frontend UI / UX, testing, deployment-to-dev, UAT, and production environments.

React Front-End (45%) – Building / Enhancing Interactive Dashboards / Data Visualizations / User Workflows / Responsive UIs
Python / FastAPI Backend (35%) – Developing Secure APIs / Business Logic / Data Processing / Authentication
DevOps / Operations / Platform / SRE (20%) – Infrastructure / 3rd Party Integrations / Testing / Deployment

JOB REQUIREMENTS

Full-Stack Software Engineer – Modern React / TypeScript Developer Specializing in Responsive Data Dashboards / Tailwind CSS Styling / Interactive Charts (ChartJS / Recharts) / React Router v6+ / Typed APIs / Fast Vite Development
React / TypeScript | Front-End Development – Building Data-Intensive Dashboards (no class components) | React 18+ (Functional Components / Custom Hooks / Context API for State Management) / TypeScript (Strict Mode Enforcement Throughout / Defining Precise Interfaces [expertise] / Generics for Reusable Components/Utilities / Leveraging Type Inference to Minimize Any Usage)
UI Styling / Layouts – Designing / Developing Responsive Interfaces | Tailwind CSS (Utility-First Styling / Composing Complex Layouts [Grid / Flex / Responsive Breakpoints]) | Tailwind CSS directly within JSX without Custom CSS Files
Data Visualization – Developing Interactive Charts | ChartJS / Recharts / Victory (Time-Series / Multi-Axis / Zoomable/Pannable Views / Custom Tooltips / Dashboard Layout Handling Large Dataset Performance Optimization)
Client-Side Routing / React Router v6+ | Front-End Architecture / Tooling – Implementing Client-Side Routing with React Router v6+ | API Integration with Axios / Fetch (Typed API Requests / Interceptors) | Vite Build Tool / Development Server (Fast HMR [Hot Module Replacement] / Optimized Production Bundles)
Python / FastAPI | Backend Development – Developing High-Performance APIs | Python 3.11+ / FastAPI (Async Routes / Endpoints / Pydantic v2 Models for Validation/Serialization / Custom Middleware for Logging / Rate Limiting / CORS / JWT Auth with Token Validation / Refresh Flows / Dependency Injection via Depends)
Data Access / ORM – Owning Database Interactions | SQLAlchemy ORM (Async Support Preferred) / Alembic (Efficient Querying / Relationship Modeling [One-to-Many / Many-to-Many / Schema Evolution / Migration Management])
Database / Query Optimization – Designing Advanced PostgreSQL Queries (Complex Joins / Window Functions / CTEs / Indexing Strategies) | Implementing Secure Multi-Tenant Data Patterns (Row-Level Security / Tenant_ID Filtering / Schema Isolation)
API Design / Standards – Applying RESTful Best Practices | Utilizing Appropriate HTTP Status Codes for Success / Error Responses | Supporting Pagination (Offset/Limit / Cursor-Based) / Filtering / Sorting / Standard Query Parameters | Consistent Error Formatting with Relevant Detail / Code Fields | Generating OpenAPI / Swagger Documentation (FastAPI)

PREFERRED (not required)

Azure / Cloud Platform – Leveraging Azure Services | App Service / Azure Functions / Azure Pipelines (CI/CD) / Docker Containers / NGINX Configuration
Third-Party Integrations – Integrating External Services (Stripe / HubSpot / Microsoft MSAL / SendGrid) using APIs / OAuth / Webhooks
Testing / QA – Implementing Testing Frameworks | Playwright (End-to-End) / Vitest (Unit / Component Testing)
Data Warehousing / Analytics – Querying Large Datasets in DW Environments (Azure Synapse Analytics)
SaaS Architecture – Designing / Supporting Multi-Tenant SaaS Apps (Data Isolation / Scalability / Security)
Data-Intensive Systems – Building Analytics Platforms / Time-Series Driven Apps Handling High-Volume Data
AI-Assisted Development – Utilizing AI Coding Tools (GitHub Copilot / Claude / Cursor) to Accelerate Development / Improve Productivity

Determining compensation for this role (and others) at Vaco/Highspring depends upon a wide array of factors including but not limited to the individual’s skill sets, experience and training, licensure and certifications, office location and other geographic considerations, as well as other business and organizational needs. With that said, as required by local law in geographies that require salary range disclosure, Vaco/Highspring notes the salary range for the role is noted in this job posting. The individual may also be eligible for discretionary bonuses, and can participate in medical, dental, and vision benefits as well as the company’s 401(k) retirement plan. Additional disclaimer: Unless otherwise noted in the job description, the position Vaco/Highspring is filing for is occupied. Please note, however, that Vaco/Highspring is regularly asked to provide talent to other organizations. By submitting to this position, you are agreeing to be included in our talent pool for future hiring for similarly qualified positions. Submissions to this position are subject to the use of AI to perform preliminary candidate screenings, focused on ensuring minimum job requirements noted in the position are satisfied. Further assessment of candidates beyond this initial phase within Vaco/Highspring will be otherwise assessed by recruiters and hiring managers. Vaco/Highspring does not have knowledge of the tools used by its clients in making final hiring decisions and cannot opine on their use of AI products.

Full-Stack Software Engineer (React / Python / FastAPI)

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