Wellhub

Wellhub: An Upstream OS for data-driven decisions, optimizing production, reducing costs, and minimizing downtime in the Oil & Gas industry.

Gas Utilities

Energy

1-10 (5)

Founded 2016

45 open positions

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Manager Data Scientist | Engagement & Platform

40 minutes ago

Portugal

Full-time

Lead

Data Scientist

Data Science and Analytics

Generative AI Machine Learning Python PyTorch Reinforcement Learning Statistics

Apply Now

Wellhub

Wellhub: An Upstream OS for data-driven decisions, optimizing production, reducing costs, and minimizing downtime in the Oil & Gas industry.

Gas Utilities

1-10

Founded 2016

View All Jobs 45

Description

Design and develop machine learning models for outreach personalization, including contextual bandits, reinforcement learning, and classification models.
Design and develop AI agents that generate dynamic, personalized nudge content and conversational interventions.
Design and analyze large-scale A/B tests and experimentation frameworks to evaluate models, signals, nudges, and content strategies.
Define success metrics and ensure statistically sound experimentation practices.
Collaborate on the design of data pipelines and event schemas that support real-time decisioning and offline analysis.
Define and implement monitoring frameworks for engagement, retention, opt-outs, and intervention fatigue.
Lead, mentor, and grow the data science team while setting technical direction and ensuring high-quality delivery.
Partner closely with Product and Engineering stakeholders to translate product goals into data-driven solutions.
Raise the bar on scientific rigor across the team and foster strong cross-functional collaboration.

Requirements

BSc., Master’s, or PhD in Computer Science, Data Science, Machine Learning, Statistics, or a related field.
At least 8 years of professional experience in Data Science, Machine Learning, or Applied AI roles.
At least 3 years of experience in people management, leading and developing data science teams.
Strong proficiency in Python.
Experience with ML frameworks such as Vowpal Wabbit, PyTorch, or similar.
Strong foundation in experimentation, A/B testing, and large-scale experimentation design and analysis.
Experience working with Generative AI systems in production environments.
Solid problem-solving skills and ability to translate product goals into measurable, data-driven solutions.
Strong communication skills and ability to work cross-functionally with Product and Engineering teams.
Preferred: experience applying contextual bandits, reinforcement learning, and classification models in production systems.
Preferred: familiarity with real-time or near-real-time decisioning systems for personalization.
Preferred: experience designing data pipelines or working closely with data engineering teams.
Preferred: background in consumer products or digital health.
Prior experience in Machine Learning and people management is mandatory for this role.
This is a remote role open only to candidates in Portugal.

Benefits

Free Gold membership with access to onsite gyms, studios, digital fitness programs, and online wellness resources.
Ability to add up to three family members to the Wellhub plan.
Health insurance.
Flexible First work model with hybrid and remote options.
One-time reimbursement for home office equipment and a monthly work allowance for remote work costs.
Minimum of 25 days of paid holiday per year, plus additional days based on tenure and an extra birthday holiday.
100% paid parental leave, with extended leave and ramp-back period for parents giving birth.
Career growth support, including learning platforms, interactive sessions, personalized development roadmaps, and internal opportunities.

Interested in this position?

Apply directly on the company website

Apply Now

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