Data Scientist Consultant – AI, Prompt Engineering, Big Data
TTECH
full-time
Posted on:
Location Type: Hybrid
Location: São Paulo • 🇧🇷 Brazil
Visit company websiteJob Level
Mid-LevelSenior
Tech Stack
AzureHadoopNumpyPandasPythonScikit-LearnSpark
About the role
- Perform exploratory analyses and modeling to support the NLP squad's decision-making.
- Ensure the squad adopts best practices: evaluation, data versioning, and reproducible experiments.
- Develop the team (especially junior and mid-level members) in applied NLP and AI — provide technical leadership.
- Interface with the business area, aligning stakeholder expectations.
- Lead complex discussions without creating misunderstanding or fear of AI.
- Make decisions between rules vs. models, small models vs. LLMs, and training vs. buying solutions.
- Understand that value lies in the pipeline, not in the model alone.
- Anticipate impacts on cost, latency, observability, LGPD (Brazilian Data Protection Law), and scalability.
- Design for maintenance and evolution, not just proofs of concept (POC).
- Question simplistic metrics (isolated accuracy, attractive demos).
Requirements
- Strong command of Python for data science (pandas, numpy, scikit-learn, etc.).
- Experience with prompt engineering and use of language models (LLMs/SLMs).
- Familiarity with generative AI frameworks (LangChain, Hugging Face, OpenAI APIs, etc.).
- Experience with Big Data environments (Spark, Hadoop, Databricks, etc.).
- Experience with code versioning (Git, Azure) and software development best practices.
- Strong communication skills to exchange ideas across different areas.
- Proactive in proposing solutions and structuring new approaches.
- Ability to work collaboratively and adaptively.
- Encourage best practices: evaluation, data versioning, reproducible experiments.
- Inclusive leadership.
- Plus: Experience in complex architecture projects involving more than 50 people.
- English or Spanish for communication with major American and Spanish Big Techs.
- Academic experience.
- Publications or participation in applied research projects.
- Experience experimenting with AI and NLP architectures.
Benefits
- Choose the ideal benefits for you and your dependents through a digital platform offering categories such as Gym, Meal Voucher (VR), Food Allowance (VA), Pharmacy Assistance, Health Insurance, Dental Care and Life Insurance;
- Company mobile phone. Yes, a brand-new smartphone for you!
- Unlimited voice and data plan! Yes, unlimited! On the best mobile network, even faster with Vivo 5G!
- Exclusive Vivo offer with special discounts on landline, broadband, TV and apps;
- Eligible for an annual Bonus or PPR;
- Plan for your future through a private pension plan;
- Have children? You will be entitled to a subsidy to help with school, daycare or nanny expenses;
- Work in an environment that respects your personality, dress style, and individuality, allowing you to be authentic.
- Work remotely up to 2 days per week. #Mobility
- Flexible working hours;
- Enjoy a day off to celebrate your birthday;
- Participate in one of the largest corporate volunteer programs to make an impact;
- Benefit from our Educational Development Program offering partnerships with educational institutions at discounts; certifications and online courses.
- Boost your career through our Internal Recruitment Program, in Brazil or abroad — we are present in over 17 countries! #VivoMinhaCarreira
- Access a range of initiatives to improve your physical, emotional and social well-being! We have #VivoWellbeing, which promotes healthy habits and quality of life. Services available to employees include consultations with nutritionists, psychologists, social workers, telemedicine, and much more!
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard skills
Pythonpandasnumpyscikit-learnprompt engineeringlanguage modelsgenerative AI frameworksBig DataSparkHadoop
Soft skills
communication skillsproactivecollaborativeadaptiveinclusive leadership