With teams across North America, Europe, Latin America, and Asia, we work with the most ambitious companies in financial services, healthcare, media, and technology — helping them move faster, modernize boldly, and compete on their own terms.

Senior

Backend / Data Engineer Greetings, future tech savant: You will build and architect the complete backend and data foundation for sophisticated, multi-tenant AI-driven platforms. Your focus will be on robust database schema design, multi-tenant architectures, asynchronous API services, and data pipeline orchestration. contract-first backend development . You write the OpenAPI specs as the backend takes shape, ensuring seamless integration with frontend and AI components.

You will 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.

Key Responsibilities Backend Design and implement advanced PostgreSQL schemas with row-level security (RLS) for multi-tenant applications. Build and maintain async-heavy backend services using Python frameworks (e.g., FastAPI) with Pydantic validation. Architect scalable data pipelines and orchestrate complex multi-stage data processing workflows.

Implement and enforce data isolation patterns in shared database environments. Design and manage complex data workflows (e.g., additive data changes, diff detection, and selective re-processing). Collaborate with AI/LLM Leads on output validation, deterministic data integration, and system reliability.





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 Pydantic & JSON schema validation (for structured backend output) AWS RDS and managed database services Docker & containerization Experience with LLM/AI system integration from a data perspective AWS IAM and secrets management Migration tools (Alembic for Python) Testing strategies for data integrity and security (unit, integration) Understanding of Software Development Life Cycle (SDLC) and AI SDLC Knowledge of protocols and serialization formats (JSON, XML) Medical Insurance benefits as per company policy.



Vacation bonus as per local law Sick leave and paid holidays as per local law Profit sharing as per local law Paternity and maternity leave as per as per local law Marriage, bereavement and graduation leaves as per company policy Christmas bonuses as per local law Work from home allowance as per company policy Direct deposit of payroll. What is it like working for 3Pillar Global?

Imagine a flexible work environment – whether it's the office, your home, or a blend of both. From interviews to onboarding, we embody a remote-first approach. You will be part of a global team, learning from top talent around the world and across cultures, speaking English everyday.

Our integral workforce enables our team to leverage global resources to accomplish our work in efficient and effective teams. Whether it is taking advantage of fitness offerings, mental health plans (country-dependent), or simply leveraging generous time off, we want all of our team members operating at their best. Our professional services model enables us to accelerate career growth and development opportunities - across projects, offerings, and industries.

It goes without saying that we live by values like Intrinsic Dignity and Open Collaboration to create cutting-edge technology AND reinforce our commitment to diversity - globally and locally. Join us and be a part of a global tech community! Check out our Linkedin site and Careers page to learn more about what it's like to be part of our #oneteam!

If you would like more information about how your data is processed, please contact us.

📌 Back End Developer / Senior Data Engineer (Remote) (Toluca de Lerdo)
🏢 3Pillar
📍 Toluca de Lerdo