Machine Learning Engineer Junior

3 Weeks ago • 2 Years + • $149,781 PA - $202,276 PA

Job Summary

Job Description

The Machine Learning Engineer Junior will be responsible for building and maintaining machine learning and statistical models using alternative data sources, transactional data, and Bureau data. They will evaluate model performance, ensure training data meets Experian standards, and diagnose and resolve precision and miscategorization issues. The role involves documenting the modeling process, communicating incidents, and improving related development, infrastructure, and annotation teams. The candidate should have experience with Python, R, SQL, data visualization tools, and NLP concepts. The candidate should be proficient in English and possess good communication and critical thinking skills. They will be developing projects using incremental and iterative approaches.

Must have:

2 years of experience in Python (syntax & packages)
Knowledge of R, SQL (DQL, CTEs, aggregations)
Knowledge of data visualization tools (Power BI, etc.)
Knowledge of NLP concepts and techniques
Intermediate knowledge of statistics and ML
Understanding of data science concepts

Perks:

Focus on DEI, work/life balance, development, authenticity, collaboration, wellness, reward & recognition, volunteering

8 skills required

8 skills required for this role

Add these skills to join the top 1% applicants for this job

ci-cd

pandas

python

sql

numpy

matplotlib

power-bi

innovation

Job Details

Company Description

Experian is a global data and technology company, powering opportunities for people and businesses around the world. We help to redefine lending practices, uncover and prevent fraud, simplify healthcare, create marketing solutions, and gain deeper insights into the automotive market, all using our unique combination of data, analytics and software. We also assist millions of people to realize their financial goals and help them save time and money.

We operate across a range of markets, from financial services to healthcare, automotive, agribusiness, insurance, and many more industry segments.

We invest in people and new advanced technologies to unlock the power of data. As a FTSE 100 Index company listed on the London Stock Exchange (EXPN), we have a team of 22,500 people across 32 countries. Our corporate headquarters are in Dublin, Ireland. Learn more at experianplc.com.

Job Description

Principales funciones

Construir y mantener modelos (propensión, pérdida, etc.) de aprendizaje automático y estadísticos utilizando fuentes alternas (data alternativa), data transaccional y datos de Buró.
Evaluar periódicamente el desempeño de los modelos entrenados
Garantizar que los datos de entrenamiento utilizados cumplan con los estándares de Experian, levantar alertas y proponer posibles pasos de prevención y mitigación en caso de que esos estándares no se cumplan.
Diagnóstico y resolución (propuesta e implementación) de problemas de baja precisión y categorización errónea, e implementación de medidas de mejora continua relacionadas.
Documentar el proceso de modelado, prueba, codificación y la documentación necesaria para el soporte del modelo.
Comunicación de incidentes y mejoras relacionados con equipos de desarrollo, infraestructura y anotación.

Qualifications

Experiencia profesional

Profesional egresado de Ingeniería Industrial, Economía, Estadística, Matemáticas, Ingeniería de Sistemas, Administración de Empresas o afines.

Experiencia Profesional

2 años de experiencia en Python, tanto la sintaxis propia de Python como también sus principales paquetes analíticos (Pandas, Numpy, MatplotLib)
Conocimiento de herramientas analíticas y lenguajes de programación R, SQL (DQL, CTEs, agregaciones y funciones de ventana)
Conocimiento de técnicas de visualización de datos y herramientas de BI como Power BI, o Amazon Quicksight.
Conocimiento de conceptos y técnicas de procesamiento de lenguaje natural (NLP)
Conocimientos intermedios de estadística y aprendizaje automático, y de sus métricas de desempeño, como precisión, recuperación, etc.
Comprensión de conceptos de ciencia de datos, como sobreajuste, validación cruzada, división de datos de entrenamiento versus prueba, fuga de datos, etc.
Experiencia en flujos de trabajo con control de versiones y CI/CD.
Experiencia en desarrollo de proyectos de ciencia de datos bajo enfoques incrementales e iterativos.

idiomas

Inglés intermedio-avanzado conversacional y de lectura técnica, mínimo B2.

habilidades blandas:

Facilidad de expresión oral y escrita
Pensamiento crítico
Adaptabilidad para aprender y comprender nuevas tecnologías.

Additional Information

Our uniqueness is that we celebrate yours. Experian's culture and people are important differentiators. We take our people agenda very seriously and focus on what matters; DEI, work/life balance, development, authenticity, collaboration, wellness, reward & recognition, volunteering... the list goes on. Experian's people first approach is award-winning; World's Best Workplaces™ 2024 (Fortune Top 25), Great Place To Work™ in 24 countries, and Glassdoor Best Places to Work 2024 to name a few. Check out Experian Life on social or our Careers Site to understand why.

Experian is proud to be an Equal Opportunity and Affirmative Action employer. Innovation is an important part of Experian's DNA and practices, and our diverse workforce drives our success. Everyone can succeed at Experian and bring their whole self to work, irrespective of their gender, ethnicity, religion, colour, sexuality, physical ability or age. If you have a disability or special need that requires accommodation, please let us know at the earliest opportunity.

Experian Careers - Creating a better tomorrow together

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