Sr Data Scientist (Identity)

RecargaPay; Brasil; Teletrabalho; BRL 60.000 - 100.000; Tempo integral

Resumo da oferta

An innovative company is seeking a passionate Sr. Data Scientist to tackle complex fraud and transaction risk challenges. In this dynamic role, you will develop cutting-edge fraud prevention strategies that have a real impact on millions of lives. You will work with advanced technologies, mentor junior team members, and contribute to a collaborative environment that values creativity and diverse perspectives. This is an exciting opportunity to grow professionally while making a significant difference in the financial landscape of Brazil, all within a supportive and inclusive team culture.

Serviços

Home office allowance

Health and dental plans

Life insurance

Flexible meal allowance

TotalPass membership

Spanish or Portuguese classes

Competitive salary

Remote work

Qualificações

• Experience in building and implementing machine learning models for fraud prevention.
• Strong programming skills in Python, SQL, and Spark.
• Knowledge of data modeling principles and experience in building robust data models.

Responsabilidades

• Develop and implement real-time fraud scoring models.
• Optimize user onboarding with predictive chargeback models.
• Lead the adoption of new technologies in the Fraud team.

Conhecimentos

Machine Learning

Python

SQL

Spark

Data Modeling

Analytical Skills

Problem Solving

Ferramentas

Databricks

AWS

PostgreSQL

Kafka

SQS

Descrição da oferta de emprego

Come and impact millions of Brazilians!!

Want to make a difference in the lives of millions of Brazilians?At RecargaPay, we create accessible and innovative financial solutions that transform the way people interact with money. Be part of this impactful and innovative journey, connecting people with opportunities that truly make a difference in their daily lives.

Our purpose is to deliver the best mobile payment experience for Brazilians, addressing real-world challenges with smart solutions like Pix Parcelado, while staying attentive to market trends and our customers' needs. Here, we value collaboration, ownership, and a relentless pursuit of results, delivering excellence in every interaction.

If you’re looking to join a dynamic environment that challenges the status quo and puts people at the center of decision-making, RecargaPay is the perfect place for you to grow, co-create, and make a difference!

Responsibilities

Do you want to challenge the limits of data science in a high-impact, growing environment? At RecargaPay, we are looking for a Sr. Data Scientist passionate about solving complex fraud and transaction risk problems, directly impacting the lives of millions of Brazilians. Join our Data Science team and lead the evolution of our fraud prevention strategies, using cutting-edge technologies and contributing to the construction of innovative solutions.

What You'll Do

As a Sr. Data Scientist on the Fraud and Transaction Risk team, you will be responsible for:

• Developing and implementing real-time fraud scoring models: Design and implement transactional inference solutions to identify and prevent fraudulent activities at the precise moment,
• Optimizing user onboarding: Build predictive chargeback models using internal and third-party data, improving onboarding quality and reducing losses,
• Transforming our rule engine: Evolve our static rule engine into a dynamic and conditional graph-based rule engine, enabling more intelligent and adaptable fraud rule management,
• Implementing fingerprinting and geographic tracking solutions: Develop and implement fingerprinting and geographic tracking systems to improve fraud detection and prevention at the account level,
• Leading the adoption of new technologies: Drive the adoption of technologies like Databricks and Data Catalogue in the Fraud team, advocating for best practices and facilitating the transition to a more modern and efficient data environment,
• Data modeling and advanced analytics: Analyze large volumes of transactional, user behavior, and demographic data to identify patterns, trends, and opportunities for improvement in fraud prevention,
• Mentorship and technical leadership: Guide and mentor junior team members, sharing your experience and knowledge, and leading key projects from a technical perspective,
• Defining success metrics: Establish clear and relevant metrics to measure the impact of Data Science projects on fraud reduction and operational efficiency improvement.

What We're Looking For

• Demonstrable experience in building and implementing machine learning models for fraud and transaction risk prevention,
• Deep knowledge of classification, regression, and clustering algorithms, as well as feature engineering and model selection techniques,
• Strong programming skills in Python, SQL, and Spark,
• Experience with big data platforms like Databricks and AWS,
• Knowledge of relational databases (PostgreSQL) and messaging tools (Kafka, SQS).
• Experience in developing and implementing real-time scoring,
• Ability to communicate complex ideas clearly and concisely to technical and non-technical audiences,
• Analytical mindset and results-oriented, with a strong focus on problem-solving.
• Passion for innovation and experimentation.
• Knowledge of data modeling principles and experience in building robust and scalable data models.
• Strong mathematical skills and ability to optimize complex problems.

Bonus Points

• Experience with graph-based rule engines.
• Knowledge of fingerprinting and geographic tracking techniques.

Why RecargaPay

• Real impact: You will work on projects that have a direct impact on the lives of millions of Brazilians.
• Exciting challenges: You will solve complex fraud and transaction risk problems, using cutting-edge technologies.
• Professional growth: You will have the opportunity to become the Data Science reference in the Fraud vertical, leading the evolution of our fraud prevention strategies.
• Autonomy: You will have the freedom to propose ideas and experiment with new techniques and technologies.
• Collaborative environment: You will work in a Data Science team that is passionate and committed to innovation.

• Competitive and market-aligned salary.
• Remote work — wherever you are, you’re part of the team!
• Home office allowance through a monthly deposit in the RecargaPay app.
• Health and dental plans with no co-pay.
• Life insurance.
• Flexible meal allowance (via Flash).
• TotalPass membership to take care of your health.
• Spanish or Portuguese classes.

Diversity & Inclusion at RecargaPay
At RecargaPay, you’ll have the freedom to be who you are because we believe that diverse perspectives and experiences make us more creative and stronger. Here, everyone is welcome to express themselves authentically. We value the richness of each journey and the multiple ways of seeing the world, without distinctions of gender, race, sexual orientation, age, religion, or any other characteristic that makes us unique.

About the use of your Data
By sharing your resume with us, you authorize the use of your data for analysis during the selection process and possibly for other opportunities within the RecargaPay group. You can request the update or deletion of your information at any time, in accordance with LGPD (General Data Protection Law).