Halliburton
Senior Software Developer
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Senior Software Engineer – Landmark, a Halliburton Company
We are looking for the right people—those who want to innovate, achieve, grow, and lead. We attract and retain the best talent by investing in our employees and empowering them to develop themselves and their careers.
Experience opportunities, rewards, and growth by working for one of the world’s largest providers of products and services to the energy industry.
About Landmark
Landmark, a Halliburton company, develops the software and data platforms that help the global energy industry make practical and informed decisions. Our offerings span:
- Subsurface interpretation
- Well construction planning
- Reservoir simulation
- Production optimisation
- Digital operations
These tools are used daily by engineers and operators within the world’s largest energy companies—evolving as cloud-native SaaS platforms and enterprise on-premises solutions.
About the Role
As a Senior Software Engineer at Landmark, you take full ownership of feature development across the entire cycle:
- From requirement specifications to design, implementation
- Testing, delivery, and production deployment
- With minimal supervision and decisive technical judgment
You will:
- Paint the big picture with perfect oversight while ensuring technical excellence
- Contribute to code reviews, improve the codebase, and refine processes—without waiting for direction
- Mentor junior engineers by enhancing team quality and compounding growth
- Collaborate on building systems critical to decisions observed by energy operators worldwide
Strong software engineering fundamentals form the key requirement—domain expertise can be developed during employment.
Available positions accommodate a range of teams with varying domain and technology specialisations.
Core Focus Areas
Teams develop solutions for:
- Geoscience (geology, geophysics, petrophysics)
- Drilling engineering & well planning
- Reservoir engineering & modelling
- Production engineering & optimisation
- E&P (Exploration & Production) data management & integration
- Cloud infrastructure, data services, and developer tooling
- AI-assisted analytics, search, and generative AI
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Technologies Used
依据团队位置，技术选项包括：
- Languages: Java, C#, F#, C++, Python, TypeScript (including front-end frameworks)
- Frameworks: .NET, Eclipse RCP/SWT, JUnit (testing), Angular, React, Node.js
- Cloud Platforms: Azure, AWS
- Containerization & Orchestration: Docker, Kubernetes
- Infrastructure Automation: Terraform, Ansible, Helm, Argo CD/Flux
- Databases: Relational (PostgreSQL, SQL Server, Oracle) and NoSQL (MongoDB)
What You Will Do
-
End-to-end feature ownership:
- Analyze requirements
- Design end-to-end solutions
- Implement the codebase
- Test rigorously
- Deliver robust products
-
Break down large specifications into clear, actionable tasks with realistic timelines
-
Identify and fix technical weaknesses across codebase, test coverage, and development workflows
-
Investigate and resolve production defects efficiently by tracing complex root causes
-
Embrace secure coding practices
- Spot vulnerabilities during code review sessions
- Fix them proactively
-
Be just as rigorous when reviewing peers’ code
-
Evaluate and integrate open-source tools & libraries to improve system performance
-
Mentor junior engineers through regular code reviews, pair programming, and direct coaching
-
Effective communication: Clear across distributed and across- timezone teams
Qualifications
Required
- Bachelor’s degree (or equivalent experience) in Computer Science, Software Engineering, or related field
- 5–10 years of hands-on software development experience
- Proficiency in at least one language from: Java, C#/F# (via .NET), C++, Python, or TypeScript (known to include React/Angular)
- Experience with full development lifecycle (analysis → design → implementation → testing → delivery)
- Debugging and root cause resolution experience in complex production environments
Soft Skills
- Strong verbal and written communication to explain technical decisions, weigh tradeoff discussions with stakeholders and teammates
Preferred
- Experience in cloud-native development, full-stack tooling, or data platform technologies
- Hands-on with CI/CD pipelines, containerisation, and infrastructure automation tools
- Background in enterprise software, SaaS, or data-intensive applications
- Areas: scientific computing, real-time systems, large-scale data processing
- Integration of ML, generative AI, or LLM components into application features
- Direct mentoring experience of junior engineers
- Familiarity with the energy industry (a beneficial but not mandatory plus)
- We encourage diverse applications from all backgrounds regardless of matching all preferences.
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How You Work
The role’s most successful engineers exhibit:
- Independent judgment in technical decisions, paired with consistent application
- High ownership across complex assignments
- Clear communication when challenges arise or timelines shift
- Relentless focus on outcome achievement, not simply task completion
- Commitment to new & critical thinking to adopt methodologies that benefit the team
- Self-driven upskilling with a critical mindset
Integration of improved techniques enables compounded team quality growth over time.
Why Landmark
We foster high-ownership, small teams with relentless standards and a culture of continuous skill development:
- Work where **software is the product—your work impacts real-world decisions
- Collaborate with engineers who drive you to excel
- Grow into roles that make teams rely on you daily
- Own real, ship-worthy features from start to finish
Halliburton is an Equal Opportunity Employer. Employment based on merit, without bias toward:
- Race, colour, ethnicity
- Disability status, genetic information
- Pregnancy, veteran status, national origin
- Any other category protected by law
Location
📍 Landmark HQ 97 Jubilee Avenue Milton Park, Abingdon, Oxfordshire OX14 4RW | United Kingdom
Job Details
📅 Requisition Number: 210132 📊 Experience Level: Experienced 🔧 Job Family: Engineering/Science/Technology 🏢 Product Service Line: Landmark Software & Services 🕒 Workload: Full Time
Compensation: Competitive, aligned with experience.
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