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Salary
≈ $47k – $122k per year (Estimated)
Location
Remote (Colombia, Mexico, Panama, Puerto Rico)
Seniority
Senior · 8+ years exp

Confirmed on the employer's own hiring board on Oct 15, 2026. First seen by Alion on Sep 22, 2026. IDT Corporation scores C on the Alion truth index.

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IDT Corporation (NYSE: IDT) is a global telecommunications, fintech, and cloud communications enterprise headquartered in Newark, New Jersey, USA. Founded in 1990 by entrepreneur Howard Jonas, the company operates on a B2C digital consumer service, B2B wholesale telecommunications, and B2B SaaS commercial model led by CEO Samuel Jonas. IDT has evolved from a pioneer in low-cost international VoIP and prepaid calling cards into a diversified digital conglomerate spanning multiple growth verticals.

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

Onlyaccepting 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 enabling data-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.
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