Cactus Wellhead - Sr. Full Stack Developer at Cactus Wellhead

This is a Cactus Wellhead position and is located in Houston, TX. 

JOB SUMMARY: Lead end-to-end 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 internal/partner systems, and uplift engineering standards (testing, security, CI/CD). This role supports our manufacturing/field operations and ERP-adjacent workloads.

ESSENTIAL FUNCTIONS, ROLES, AND RESPONSIBILITIES: Essential duties and responsibilities include the following.

• Core Tech Stack (day‑to‑day)
  • Frontend: Angular (preferred) or AngularJS; TypeScript/JavaScript; RxJS; HTML/CSS.
  • Backend: .NET 6/8 (ASP.NET Core, Web API), C#; background services/queues.
  • APIs & Integrations: REST/GraphQL, OAuth2/OIDC, webhooks; Swagger/OpenAPI; Postman.
  • Data: SQL Server and Oracle (SQL, performance tuning, procedures); Databricks (Delta Lake, notebooks, SQL/PySpark) for pipelines/analytics integration.
  • Cloud & DevOps: AWS (preferred) – Lambda, API Gateway, S3, RDS/Aurora, ECS/EKS; Infrastructure as Code (CDK/Terraform). CI/CD with Azure DevOps or GitHub Actions.
  • AI/Automation: Integrate AI services (e.g., Amazon Bedrock, OpenAI) for intelligent workflows, assistants, and document processing.
• Product & Delivery
  • Translate business needs into secure, scalable solutions; define scope, estimates, and milestones.
  • Design and develop UI components in Angular; implement responsive, accessible experiences.
  • Build and operate ASP.NET Core APIs and services; ensure performance, reliability, and observability.
  • Design database schemas and optimize SQL on SQL Server/Oracle; implement data pipelines and Delta Lake patterns in Databricks.
  • Create well‑documented APIs (OpenAPI), SDKs, and integration patterns with ERP/CRM/partners.
• Quality, Security & Operations
  • Enforce engineering standards: code reviews, unit/integration tests, automated quality gates.
  • Implement authN/authZ (OAuth2/OIDC), secrets management, input validation, and secure‑by‑default patterns.
  • Ship via CI/CD; instrument apps with logging, metrics, tracing; lead incident response and post‑mortems.
  • Maintain SLOs/SLAs for critical services; participate in a rotational on‑call schedule.
• Collaboration & Leadership
  • Work closely with product owners, analysts, and SMEs; turn requirements into user stories and technical designs.
  • Mentor developers; share best practices across frontend, backend, and data engineering.
  • Contribute to architecture reviews, governance workshops, and multi‑cloud strategy.

QUALIFICATIONS

• REQUIRED
  • 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) OR COMPARABLE DATA PLATFORMS.
  • SOLID GRASP OF OAUTH2/OIDC, SSO, RBAC, AND SECURE CODING PRACTICES.
  • CI/CD PIPELINES (AZURE DEVOPS OR GITHUB ACTIONS); AUTOMATED TESTING.
• PREFERRED
  • GRAPHQL; EVENT‑DRIVEN PATTERNS (SQS/SNS/KAFKA); CACHING (REDIS).
  • CONTAINERIZATION (DOCKER), ORCHESTRATION (ECS/EKS/KUBERNETES).
  • AZURE EXPERIENCE (APP SERVICES, KEY VAULT, AZURE SQL) AND CROSS‑CLOUD INTEGRATIONS.
  • AI IMPLEMENTATION EXPERIENCE (RAG WORKFLOWS, EMBEDDINGS, PROMPT ENGINEERING) FOR PRACTICAL BUSINESS USE CASES.
  • MANUFACTURING, SUPPLY CHAIN, OR ERP‑ADJACENT SYSTEMS EXPOSURE (INFOR SYTELINE, SALESFORCE, ETC.).
• COMPETENCIES
  • SYSTEMS THINKING, PRAGMATIC ARCHITECTURE, AND BIAS FOR DELIVERING MEASURABLE VALUE.
  • EXCELLENT COMMUNICATION—ABLE TO EXPLAIN TRADE‑OFFS TO NON‑TECHNICAL STAKEHOLDERS.
  • OWNERSHIP MINDSET: FROM DESIGN THROUGH MONITORING AND ITERATIVE IMPROVEMENT.

SUPERVISORY RESPONSIBILITIES: None

Disclaimer: This job description is not designed to cover or contain a comprehensive listing of activities, duties, or responsibilities required of the employee for this position. Duties, responsibilities, and activities may change at any time with or without notice. Cactus Companies is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, age, national origin, disability, veteran status, genetic information, or any other characteristic protected by law. Safety is our top priority. All employees must comply with our comprehensive safety programs, participate in required safety training, and demonstrate commitment to our safety-first culture. This position may require working in potentially hazardous environments if you are traveling to a branch or plant location. Ensure that you follow all safety guidelines that are required when working in the field, branch or manufacturing facility. This position generally operates in a professional office environment. The role routinely uses standard office equipment such as computers, phones, photocopiers, and filing cabinets. While performing the duties of this job, the employee is regularly required to:

• Sit for extended periods at a desk and work on a computer
• Use hands to finger, handle, or feel objects, tools, or controls
• Reach with hands and arms
• Talk and hear
• Occasionally lift and/or move up to 25 pounds
• Walk or stand periodically throughout the day
• Maintain sustained concentration on computer screens
• Work under deadlines with frequent interruptions

The noise level in the work environment is usually moderate. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions." Cactus Companies maintains a drug-free workplace and participates in E-Verify.