IT Systems & Infrastructure Advisor Sr

Occidental Petroleum Corporation; United States; On-site; USD 120,000 - 180,000; Full time

Job summary

Occidental Petroleum Corporation in Houston seeks a Senior Software Developer to lead design, development, and modernization of the Nexus digital platform, with a focus on scalable enterprise solutions and cloud-native architectures.

You will guide full-stack teams using Angular, .NET/C#, and REST APIs, drive DevOps practices, CI/CD in Azure, and mentor engineers while partnering with product owners in an Agile environment. This role emphasizes performance, security, and delivering value.

Qualifications

• Bachelor's degree in Computer Science, Information Systems, Engineering, or related field.
• 7+ years of software development experience.
• Strong proficiency in: C# / .NET Angular TypeScript, JavaScript, HTML5, CSS SQL Server and database design.
• Experience developing RESTful APIs and microservice architectures.
• Experience with Azure cloud services and Azure DevOps.
• Strong understanding of Agile development methodologies.
• Experience performing code reviews and mentoring developers.
• Excellent analytical, communication, and problem-solving skills.

Responsibilities

• Software Development & Architecture Design, develop, test, and deploy enterprise-grade applications supporting the Nexus platform. Build scalable and maintainable solutions using Angular, .NET/C#, SQL, and cloud-native technologies. Lead application architecture discussions and recommend modernization strategies. Develop and maintain REST APIs, microservices, and backend services. Create reusable components and frameworks to improve development efficiency.
• Technical Leadership Provide technical guidance and mentorship to developers. Conduct code reviews and enforce development standards and best practices. Collaborate with architects, product owners, QA engineers, and business stakeholders. Support technical decision-making and solution design reviews. Promote knowledge sharing and continuous improvement across the team.
• DevOps & Cloud Engineering Design and maintain CI/CD pipelines using Azure DevOps. Support deployment automation, monitoring, and release management processes. Implement cloud-native and containerized solutions utilizing Azure, Docker, and Kubernetes. Improve application performance, reliability, scalability, and security.
• Quality & Security Ensure adherence to secure coding standards and enterprise security requirements. Perform application performance tuning and optimization. Support testing strategies including unit, integration, and end-to-end testing. Identify and remediate technical debt and operational risks.
• Business Collaboration Work closely with product teams to gather and refine requirements. Translate business needs into technical solutions. Participate in Agile ceremonies including sprint planning, backlog grooming, and retrospectives. Assist with production support, troubleshooting, and root cause analysis.

Skills

C#

.NET

Angular

TypeScript

JavaScript

HTML5

CSS

SQL

REST APIs

Microservices

Azure

Azure DevOps

Agile

Code reviews

Mentoring

Education

Bachelor's degree in Computer Science, Information Systems, Engineering, or related field

Tools

Docker

Kubernetes

MongoDB

NoSQL

SSO

Job description

Oxy produces, markets and transports oil and natural gas to maximize value and provide resources fundamental to life. The company leverages its global leadership in carbon management to advance lower-carbon technologies and products. Headquartered in Houston, Oxy primarily operates in the United States, Middle East and North Africa. Oxy strives to attract and retain talented employees by investing in their professional development and providing rewarding opportunities for personal growth. Our goal is to meet the highest employer standards by ensuring the health and safety of our employees, protecting the environment and positively impacting our communities where we do business.

Senior Software Developer

The Senior Software Developer is responsible for designing, developing, and enhancing the Nexus digital platform. This role serves as a technical leader within the development team, driving application modernization, cloud adoption, software quality, and delivery excellence. The ideal candidate possesses strong full‑stack development expertise, a passion for solving complex business problems, and experience delivering scalable enterprise solutions in an Agile environment.

Key Responsibilities

• Software Development & Architecture Design, develop, test, and deploy enterprise‑grade applications supporting the Nexus platform. Build scalable and maintainable solutions using Angular, .NET/C#, SQL, and cloud‑native technologies. Lead application architecture discussions and recommend modernization strategies. Develop and maintain REST APIs, microservices, and backend services. Create reusable components and frameworks to improve development efficiency.
• Technical Leadership Provide technical guidance and mentorship to developers. Conduct code reviews and enforce development standards and best practices. Collaborate with architects, product owners, QA engineers, and business stakeholders. Support technical decision‑making and solution design reviews. Promote knowledge sharing and continuous improvement across the team.
• DevOps & Cloud Engineering Design and maintain CI/CD pipelines using Azure DevOps. Support deployment automation, monitoring, and release management processes. Implement cloud‑native and containerized solutions utilizing Azure, Docker, and Kubernetes. Improve application performance, reliability, scalability, and security.
• Quality & Security Ensure adherence to secure coding standards and enterprise security requirements. Perform application performance tuning and optimization. Support testing strategies including unit, integration, and end‑to‑end testing. Identify and remediate technical debt and operational risks.
• Business Collaboration Work closely with product teams to gather and refine requirements. Translate business needs into technical solutions. Participate in Agile ceremonies including sprint planning, backlog grooming, and retrospectives. Assist with production support, troubleshooting, and root cause analysis.

Required Qualifications

• Bachelor's degree in Computer Science, Information Systems, Engineering, or related field.
• 7+ years of software development experience.
• Strong proficiency in: C# / .NET Angular TypeScript, JavaScript, HTML5, CSS SQL Server and database design.
• Experience developing RESTful APIs and microservice architectures.
• Experience with Azure cloud services and Azure DevOps.
• Strong understanding of Agile development methodologies.
• Experience performing code reviews and mentoring developers.
• Excellent analytical, communication, and problem‑solving skills.

Preferred Qualifications

• Experience with:
  • Docker and Kubernetes
  • MongoDB and NoSQL databases
  • Enterprise SSO and claims‑based authentication
  • Cloud modernization initiatives
  • AWS services and cloud migrations
  • Experience within the energy, oil & gas, or industrial technology sectors.
  • Exposure to DevSecOps, observability, and application monitoring tools.

Success Measures

• Deliver high‑quality software on schedule.
• Improve platform reliability, performance, and scalability.
• Reduce technical debt through modernization initiatives.
• Increase engineering productivity through automation and reusable solutions.
• Serve as a trusted technical leader for the Nexus development organization.

Typical Technology Stack

• Frontend
  • Angular, TypeScript, HTML5, CSS
• Backend
  • C#, .NET Core, ASP.NET APIs
• Database
  • SQL Server, Aurora PostgreSql
• Cloud
  • Azure, AWS
• DevOps
  • Azure DevOps, Git, CI/CD Pipelines
• Containerization
  • Docker, Kubernetes
• Architecture
  • Microservices, REST APIs, Event‑Driven Services

All qualified applicants will receive consideration for employment without regard to age, race, creed, color, religion, sex, national origin, ancestry, disability status, veteran status, sexual orientation, gender identity or expression, genetic information, marital status, citizenship status or any other basis as protected by federal, state, or local law.

Oxy produces energy and essential products to sustain and improve life on our planet. Our experienced teams, located in the United States, Middle East and Africa, are committed to safe and efficient operations and products, and to reducing our carbon footprint and helping others do the same. We are busy developing the big ideas and broad solutions we will need to achieve net zero. Every day, we get closer. And we won’t stop until we’re there.