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3Pillar Global

Building digital businesses, together.

Senior Backend, Data Engineer

Backend EngineerSoftware EngineerFull TimeRemoteSeniorTeam 1,001-5,000H1B SponsorCompany SiteLinkedIn

Location

Costa Rica

Posted

15 days ago

Salary

0

Seniority

Senior

Professional Certificate5 yrs expEnglishETLPostgreSQLPythonSQL

Job Description

Senior Backend, Data Engineer

3Pillar Global

• Build and architect the complete backend and data foundation for sophisticated, multi-tenant AI-driven platforms. • Focus on robust database schema design, multi-tenant architectures, asynchronous API services, and data pipeline orchestration. • Write the OpenAPI specs as the backend takes shape, ensuring seamless integration with frontend and AI components. • Architect data isolation patterns, design complex data processing workflows, implement pipeline stages, and build the core data infrastructure that allows the system to operate securely end-to-end.

Job Requirements

  • Python 5+ years (primary backend language)
  • PostgreSQL & database architecture (RLS, multi-tenancy, schema design)
  • FastAPI or equivalent async Python framework
  • Experience with data pipeline orchestration, ETL processes, and async processing
  • 5+ years total software engineering experience with hands-on work in both backend and data engineering
  • Experience in engineering software systems of medium-to-large scope and complexity
  • Contract-first or API-first development – familiarity with OpenAPI, REST API contracts, or similar
  • Familiarity with Agile software development methodologies
  • Proficiency with relational databases and SQL
  • Proficiency in English.

Benefits

  • Medical Insurance benefits as per company policy.
  • Life Insurance as per company policy
  • 12 days of paid vacation, sick leave and paid holidays as per local law
  • Paternity and maternity leave as per as per local law
  • Marriage, bereavement and graduation leaves as per company policy
  • Sick leave and paid holidays as per local law
  • Christmas bonus as per local law
  • Saving Fund “Asociacion Solidarista”
  • Beach house (Managed by the Asociacion Solidarista)
  • Discounts in local shops
  • Direct deposit of payroll.
  • Paid professional certifications

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