Senior Full-Stack Engineer - Hybrid (Houston)

FlexSteel USA, LLC.; Houston, Northern (TX, KY); Hybrid; USD 120,000 - 170,000; Full time

Job summary

Cactus Wellhead is seeking a Sr. Full Stack Developer in Houston to lead the design and delivery of modern business applications across front end, back end, data, and cloud. You will own features from UX to database, integrate with ERP/CRM/partners, and uplift engineering standards.

You will mentor teams, deliver scalable UI components in Angular, ASP.NET Core APIs, and robust data pipelines while ensuring security and performance in a hybrid in-office/work-from-home setup.

Qualifications

• 6+ years of professional software development with full-stack delivery ownership.
• Strong Angular (or AngularJS with path to Angular), TypeScript, HTML/CSS.
• Expert .NET (ASP.NET Core, C#) building secure REST APIs and background workers.
• Advanced SQL on SQL Server and/or Oracle: query tuning, indexing, stored procedures.
• Hands-on with AWS services (Lambda/API Gateway/S3/RDS or equivalent) and IaC (CDK/Terraform).
• Experience integrating Databricks (Delta Lake, notebooks, PySpark) or compatible data platforms.
• Solid grasp of OAuth2/OIDC, SSO, RBAC, and secure coding practices.
• CI/CD pipelines (Azure DevOps or GitHub Actions); automated testing.

Responsibilities

• Translate business needs into secure, scalable solutions.
• Design and develop UI components in Angular; implement responsive, accessible experiences.
• Build and operate ASP.NET Core APIs and services; ensure performance and observability.
• Design database schemas and optimize SQL on SQL Server/Oracle; implement data pipelines.
• Create well-documented APIs (OpenAPI), SDKs, and integration patterns with ERP/CRM/partners.

Skills

Angular

TypeScript

HTML/CSS

ASP.NET Core

C#

SQL

OAuth2/OIDC

CI/CD

AWS

CDK/Terraform

Azure DevOps/GitHub Actions

Tools

AWS

CDK/Terraform

Azure DevOps/GitHub Actions

Job description

Cactus Wellhead is seeking a Sr. Full Stack Developer in Houston to lead the design and delivery of modern business applications across front end, back end, data, and cloud. You will own features from UX to database, integrate with ERP/CRM/partners, and uplift engineering standards.

You will mentor teams, deliver scalable UI components in Angular, ASP.NET Core APIs, and robust data pipelines while ensuring security and performance in a hybrid in-office/work-from-home setup.