Back-end Developer

We are looking for the right people — people 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 the challenges, rewards and opportunity of working for one of the world’s largest providers of products and services to the global energy industry.

Job Duties

We are seeking a Back-end Developer with strong programming skills and a solid foundation in scientific computing to build and optimize data-driven applications. In this role, you will design and implement robust backend systems that process and analyze complex datasets, enabling advanced analytics and real-time insights.

You will collaborate with cross-functional teams to deliver scalable, high-performance solutions that support research and innovation in a dynamic environment.

Key Responsibilities

Develop and maintain end-to-end applications, including back-end services in Python
Collaborate with cross-functional teams to design and deliver scalable, high-quality solutions
Optimize and refactor existing code for performance and scalability
Troubleshoot, debug, and resolve issues in applications and systems
Stay current with trends in full-stack development, data visualization, and cloud technologies
Maintain strong knowledge of modern development tools, standards, and best practices

Qualifications

Bachelor's degree in computer science, engineering, or a related technical field
4+ years of professional software development experience (preferred)
Strong proficiency in Python programming
Hands-on experience with NumPy and Pandas
Familiarity with back-end frameworks (e.g., FastAPI, Django) is a plus
Strong understanding of data structures, algorithms, and statistical analysis
Strong debugging, problem-solving, and analytical skills
Ability to work independently and collaboratively in a fast-paced environment
Strong communication skills in English (written and verbal)

Knowledge, Skills, And Abilities

Master's degree in computer science, engineering, or a related technical field
Optimization & Uncertainty Quantification: Strong knowledge on platforms for DOE, Bayesian optimization, surrogate modeling, sensitivity analysis, and robust optimization under uncertainty
Agentic AI & LLM Integration: Ability to design workflows using LLMs for experiment planning, tool orchestration, and explainable recommendations, including prompt engineering and safety guardrails.
Experience in the Oil & Gas industry (nice to have)
Experience with machine learning frameworks (TensorFlow, Scikit-learn)
Knowledge of SQL/NoSQL databases and query development
Experience working in Agile/Scrum development environments
Solid understanding of data structures, algorithms, and statistical analysis
Knowledge of REST APIs and microservices architecture
Proficiency with Git and version-control best practices
Excellent analytical, debugging, and problem-solving skills
Ability to work independently and collaboratively in a fast-paced environment
Strong communication skills in English (written and verbal)

Nice to Have

Reservoir Simulation Expertise: Hands-on experience with compositional simulation, including case setup, input/output parsing, and history matching integration
Cloud/HPC Computing: Familiarity with scheduling, parallel runs, resource optimization on HPC clusters or cloud platforms (Azure/AWS/GCP)

Halliburton is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, disability, genetic information, pregnancy, citizenship, marital status, sex/gender, sexual preference/ orientation, gender identity, age, veteran status, national origin, or any other status protected by law or regulation.

Location

Rua Paulo Emidio Barbosa 485 Q, Rio de Janeiro, Rio de Janeiro, 291941, Brazil

Job Details

Requisition Number: 205558

Experience Level: Entry-Level

Job Family: Engineering/Science/Technology

Product Service Line: Landmark Software & Services

Full Time / Part Time: Full Time

Additional Locations for this position:

Compensation Information

Compensation is competitive and commensurate with experience.

Back-end Developer

Key Skills

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