Senior Data Engineer

Lever, Inc.; Buenos Aires; A distancia; ARS 105.638.000 - 166.003.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Remote work opportunity

Long-term growth opportunities

Professional training allowance

Referral program

Descripción de la vacante

IDT is seeking a Senior Data Engineer to join the BI team in a remote LATAM-friendly role. You will design end-to-end data pipelines powering our data warehouse, LLM-driven applications, and AI-based BI, while collaborating with stakeholders and maintaining documentation.

The role emphasizes building scalable pipelines, handling unstructured data, and enabling retrieval-augmented generation with vector stores. LATAM applicants and in-person verification are noted in the posting.

Formación

• 8+ years of experience as a Data Engineer.
• Proficiency with Python for data engineering tasks including transformation and large-scale processing.
• Experience with big data tech such as Spark, Hadoop, Kafka.

Responsabilidades

• Design, build, and maintain scalable data pipelines powering data warehouse, feature stores, model-training workflows, and real-time inference services.
• Develop pipelines to extract, store, and retrieve semantic representations of unstructured data for advanced search and AI patterns.
• Architect lightweight analytics and dashboards delivering natural language queries and AI insights.
• Define processes for prompt engineering, orchestration flows, and model fine-tuning for conversational interfaces.
• Oversee vector stores and indexing for retrieval-augmented generation workflows.
• Collaborate with data stakeholders to translate requirements into scalable solutions.
• Document all data processes, workflows, and model deployment routines.
• Stay updated on emerging data engineering, MLOps, and LLM operations.

Conocimientos

Python for data eng

SQL/PLSQL

BI & data warehouse

Agile methodologies

Unix/Linux

Herramientas

Spark

Hadoop

Kafka

Snowflake/Redshift

Descripción del empleo

This is a full-time opportunity for aSeniorData Engineer from LATAM.

Only accepting applicants from LATAM. In-person verification will be conducted.

We are looking for a senior Data Engineer to join our BI team and take an active role in designing, building, and maintaining the end-to-end data pipeline, architecture and design that powers our warehouse, LLM-driven applications, and AI-based BI.

Responsibilities:

• Design, develop, and maintain scalable data pipelines to support ingestion, transformation, and delivery into centralized feature stores, model-training workflows, and real-time inference services.
• Build and optimize workflows for extracting, storing, and retrieving semantic representations of unstructured data to enable advanced search and retrieval patterns.
• Architect and implement lightweight analytics and dashboarding solutions that deliver natural language query experience and AI-backed insights.
• Define and execute processes for managing prompt engineering techniques, orchestration flows, and model fine-tuning routines to power conversational interfaces.
• Oversee vector data stores and develop efficient indexing methodologies to support retrieval-augmented generation (RAG) workflows.
• Partner with data stakeholders to gather requirements for language-model initiatives and translate into scalable solutions.
• Create and maintain comprehensive documentation for all data processes, workflows and model deployment routines.
• Should be willing to stay informed and learn emerging methodologies in data engineering, MLOps and LLM operations.

Requirements:

• 8+ years of experience as a Data Engineer.
• Demonstrated experience in utilizing Python for data engineering tasks, including transformation, advanced data manipulation, and large-scale data processing.
• Hands-on experience with big data technologies including Apache Spark, Hadoop, and Kafka for distributed processing and real-time data ingestion.
• Experience designing complex data pipelines extracting data from RDBMS, JSON, API, and Flat file sources.
• Demonstrated skills in SQL and PLSQL programming, with advanced mastery in Business Intelligence and data warehouse methodologies, along with hands-on experience in one or more relational database systems and cloud-based database services such as Snowflake/Redshift
• Understanding of software engineering principles and skills working on Unix/Linux/Windows Operating systems, and experience with Agile methodologies.
• Proficiency in version control systems, with experience in managing code repositories, branching, merging, and collaborating within a distributed development environment.
• Interest in business operations and comprehensive understanding of how robust BI systems drive corporate profitability by enablingdata-driven decision-making and strategic insights.
• Effective oral and written English communication skills with BI team and user community.

Pluses

• Experience with vector databases such as DataStax AstraDB, and developing LLM-powered applications using popular open source frameworks like LangChain and LlamaIndex–including prompt engineering, retrieval-augmented generation (RAG), and orchestration of intelligent workflows.
• Familiarity with evaluating and integrating open-source LLM frameworks–such as Hugging Face Transformers/LLaMA-4 across end-to-end workflows, including fine-tuning and inference optimization.
• Knowledge of MLOps tooling and CI/CD pipelines to manage model versioning and automated deployments.

What we offer:

• Remote work opportunity!
• B2B Employment ($, gross).
• Stable job with long-term growth perspective with talented people around.
• Really good hardware.
• Great learning and growth opportunities.
• Compensation for professional training, seminars, and conferences.
• Referral program – get rewarded for helping us grow the team with talented people.
• Company-supported English classes to enhance your professional growth.

IDT Corporation is a global communications company founded in 1990 and headquartered in Newark, New Jersey. We are industry leaders in prepaid communication and payment services and one of the largest international voice carriers. We are listed on the NYSE, employ over 1800 people across 20 countries, and have over $1.5 billion in revenues.

IDT is not ”another big IT corporation”— we encourage and support in-house entrepreneurs in developing their ideas into business actions.

Our flagship brand, BOSS Revolution offers Money Transfer, International Calling, and Mobile Top-Up services and supports IDT’s mission of enabling people to keep in touch and share resources with family and friends worldwide.

In-person verification will be conducted. Fake profiles will be reported.

Only accepting applicants from LATAM.