Senior Software Engineer - Cloud, AI & Legacy Modernization

Oil-Gas.net; Abingdon; On-site; GBP 70,000 - 120,000; Full time

Job summary

Halliburton is seeking a Senior Software Engineer to design, develop, and modernize high-performance desktop and cloud applications in a hands-on role at Milton Park, Abingdon, UK. You will own the technical direction, write code daily, review PRs, and drive architecture decisions with the Team Lead and Product Owner.

The ideal candidate has 5+ years in production software, strong C#/.NET and C/C++ skills, cloud experience (AWS/Azure/GC), and hands-on CI/CD.

Qualifications

• 5+ years of professional software engineering building and shipping complex, production-grade applications. Proficiency in C#/.NET and C/C++.
• Experience with cloud architecture (AWS, Azure, and/or Google Cloud).
• Hands-on CI/CD experience and code review workflows; strong testing fundamentals.

Responsibilities

• Design, develop, and modernize high-performance desktop and cloud applications.
• Migrate legacy C/C++ codebases to modern languages and UI/UX frameworks.
• Mentor junior/mid-level developers through code reviews and pair programming.

Skills

C#/.NET

C/C++

Cloud architecture

CI/CD

AI-assisted development

Mentoring

Education

Bachelor's degree in Computer Science or related

Tools

Git

CI/CD tooling

Job description

Halliburton is seeking a Senior Software Engineer to design, develop, and modernize high-performance desktop and cloud applications in a hands-on role at Milton Park, Abingdon, UK. You will own the technical direction, write code daily, review PRs, and drive architecture decisions with the Team Lead and Product Owner.

The ideal candidate has 5+ years in production software, strong C#/.NET and C/C++ skills, cloud experience (AWS/Azure/GC), and hands-on CI/CD.