Senior Backend, Data Engineer

3Pillar Global

Senior Backend / Data Engineer at 3Pillar creating backend foundations for AI-driven platforms. Involves database design, API services, and data orchestration among global teams.

Posted 7/10/2026full-timeRemote • 🇬🇹 GuatemalaSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in building and architecting backend systems for multi-tenant AI-driven platforms, with a strong focus on database schema design, API development, and data pipeline orchestration.

Highest-signal resume keywords

Python 5+ YearsPostgreSQL & Database ArchitectureFastAPI or Equivalent Async Python FrameworkData Pipeline Orchestration & ETL ProcessesOpenAPI & REST API Development

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Database Schema DesignAsynchronous API ServicesData Processing WorkflowsSQL ProficiencySoftware Engineering Experience

Soft Skills

Proficiency in EnglishCollaboration in Agile Methodologies

Industry Keywords

Multi-Tenant ArchitectureContract-First DevelopmentData Isolation Patterns

Tech Stack

Tools & technologies

ETLPostgresPythonSQL

About the role

Key responsibilities & impact

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.

Requirements

What you’ll need

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

Comp & perks

Medical Insurance benefits as per company policy.
Life Insurance as per company policy
15 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 and Middle year bonuses as per local law
Monthly productivity bonus as per local law
Discounts in local shops
Direct deposit of payroll.
Paid professional certifications