Lead/ Senior Data Scientist

Lead/ Senior Data Scientist· Work Location: o Hanoi: TechnoPark Tower, Vinhomes Ocean Park, Hanoi o HCM: Vincom Dong KhoiKey Responsibilities: · Develop and maintain quantitative models to drive user growth efficiency, including segmentation, propensity, and recommendation models for key problems such as retention, activation, conversion, and monetization. · Design and analyze A/B tests, uplift experiments, and causal inference studies to measure the true impact of marketing campaigns or policy changes. · Build and train uplift and causal ML models to identify customers with the highest probability of positive response. · Develop reinforcement learning and contextual bandit models for personalization, adaptive offers, and dynamic channel allocation; research and implement models that optimize long-term objectives such as Customer Lifetime Value (CLV). · Design and operate optimization problems for resource, budget, and exposure allocation under real-world constraints and objectives. · Apply deep learning (embedding, seq2seq, transformer-based recommenders) to capture multidimensional user behaviors and complex signals such as location, device, and transaction sequences. · Collaborate closely with Product, Growth, Marketing, CRM, and Data Platform teams to deploy models into production and monitor performance accuracy and drift on a quarterly basis. · Build guardrail metrics and growth simulation frameworks to forecast the long-term impact of product or policy changes. · Contribute to the development of experimentation frameworks and uplift platforms with ML engineers to automate analysis and reporting. · Develop reproducible analysis notebooks and dashboards; conduct insight workshops for non-technical stakeholders. · Optimize data querying and processing workflows using SQL, NoSQL, and Python. · Enhance and automate data pipelines and streaming data processes for scalability and reliability. · Optimizing process of access, security and managing infrastructure. · Mentor and provide technical guidance to junior Data Specialist. · Propose product improvement ideas and write research reports Qualifications: Education & Experience · Bachelor’s degree or higher; Master’s degree or published research is preferred. · In-depth knowledge of Data Platforms/Data Science. · Proficient in Python and SQL/NoSQL. · At least 3 years of experience in Data Science projects. · Strong ability to research and apply English-language materials. Technical Competencies · Proficient in Data Platforms and Data Science. · Skilled in Python, SQL/NoSQL, Git, and Docker. · Strong ability to improve and optimize processes, pipelines, and code. Core Competencies · Strong problem-solving skills and ability to work independently. · Proactive in researching and adopting new technologies. · Mentorship and teamwork support capabilities

Lead/ Senior Data Scientist

• · Work Location:

o Hanoi: TechnoPark Tower, Vinhomes Ocean Park, Hanoi

o HCM: Vincom Dong Khoi

Key Responsibilities:

• · Develop and maintain quantitative models to drive user growth efficiency, including segmentation, propensity, and recommendation models for key problems such as retention, activation, conversion, and monetization.
• · Design and analyze A/B tests, uplift experiments, and causal inference studies to measure the true impact of marketing campaigns or policy changes.
• · Build and train uplift and causal ML models to identify customers with the highest probability of positive response.
• · Develop reinforcement learning and contextual bandit models for personalization, adaptive offers, and dynamic channel allocation; research and implement models that optimize long-term objectives such as Customer Lifetime Value (CLV).
• · Design and operate optimization problems for resource, budget, and exposure allocation under real-world constraints and objectives.
• · Apply deep learning (embedding, seq2seq, transformer-based recommenders) to capture multidimensional user behaviors and complex signals such as location, device, and transaction sequences.
• · Collaborate closely with Product, Growth, Marketing, CRM, and Data Platform teams to deploy models into production and monitor performance accuracy and drift on a quarterly basis.
• · Build guardrail metrics and growth simulation frameworks to forecast the long-term impact of product or policy changes.
• · Contribute to the development of experimentation frameworks and uplift platforms with ML engineers to automate analysis and reporting.
• · Develop reproducible analysis notebooks and dashboards; conduct insight workshops for non-technical stakeholders.
• · Optimize data querying and processing workflows using SQL, NoSQL, and Python.
• · Enhance and automate data pipelines and streaming data processes for scalability and reliability.
• · Optimizing process of access, security and managing infrastructure.
• · Mentor and provide technical guidance to junior Data Specialist.
• · Propose product improvement ideas and write research reports

Qualifications:

Education & Experience

• · Bachelor’s degree or higher; Master’s degree or published research is preferred.
• · In-depth knowledge of Data Platforms/Data Science.
• · Proficient in Python and SQL/NoSQL.
• · At least 3 years of experience in Data Science projects.
• · Strong ability to research and apply English-language materials.

Technical Competencies

• · Proficient in Data Platforms and Data Science.
• · Skilled in Python, SQL/NoSQL, Git, and Docker.
• · Strong ability to improve and optimize processes, pipelines, and code.

Core Competencies

• · Strong problem-solving skills and ability to work independently.
• · Proactive in researching and adopting new technologies.
• · Mentorship and teamwork support capabilities

Qode is dedicated to helping technical talent around the world find meaningful careers that match their skills and interests. Our platform provides a range of resources and tools that empower job seekers to take control of their careers and connect with top employers across a variety of industries. We believe that every individual deserves to find work that they're passionate about, and we are committed to making that vision a reality.Qode's team of experienced professionals is passionate about creating a better world of work by providing innovative solutions that improve the job search process for both job seekers and employers. We believe in transparency, trust, and collaboration, and we strive to build strong relationships with our customers and partners. Through our platform, we aim to create a more engaged and fulfilled global workforce that drives innovation and growth.

Qode is dedicated to helping technical talent around the world find meaningful careers that match their skills and interests. Our platform provides a range of resources and tools that empower job seekers to take control of their careers and connect with top employers across a variety of industries. We believe that every individual deserves to find work that they're passionate about, and we are committed to making that vision a reality.

Qode's team of experienced professionals is passionate about creating a better world of work by providing innovative solutions that improve the job search process for both job seekers and employers. We believe in transparency, trust, and collaboration, and we strive to build strong relationships with our customers and partners. Through our platform, we aim to create a more engaged and fulfilled global workforce that drives innovation and growth.