Descripción de la vacante Modality: Remote - Worldwide

Schedule: Monday to Friday, 8 hours - Pacific Time

Level: Senior | English: Advanced

We are looking for a Senior Backend Engineer to build and operate a production multi-tenant platform. You will own solutions end-to-end from design and development to deployment, validation, and monitoring- working primarily with TypeScript, PostgreSQL/Supabase, and AWS.

Requirements

- Senior-level Backend Engineering experience with production systems.
- Strong PostgreSQL expertise: Schema Design, Migrations, and Row-Level Security (RLS).
- Experience with Multi-Tenant Architecture, TypeScript, Serverless, and REST APIs.
- Strong integration experience: OAuth, webhooks, idempotency, and reconciliation.
- Strong AWS experience: Lambda, S3, RDS/Aurora, SQS, API Gateway, CloudWatch, IAM, VPC, Secrets Management, and AWS Console/CLI.
- Experience with CI/CD, infrastructure management, and production deployments.
- Strong autonomy, end-to-end ownership, and ability to proactively identify technical risks.
- Advanced English proficiency.

Nice to Have: Supabase, React, iOS API contracts,



Python, ML/MLOps, model versioning, EC2 Spot/GPU workloads, PowerShell, spec-driven development, security/PII, payment/FinTech integrations, and video/streaming platforms.

Responsibilities

- Build and maintain multi-tenant APIs and backend services, ensuring secure data isolation with PostgreSQL RLS.
- Design schemas, migrations, and secure APIs for web, iOS, ML, and partner integrations.
- Develop Serverless solutions with TypeScript.
- Own third-party integrations: OAuth/authentication, webhooks, idempotency, reconciliation, and vendor APIs.
- Manage AWS services: Lambda, S3, RDS/Aurora, SQS, API Gateway, CloudWatch, IAM, VPC, and Secrets Management.
- Improve CI/CD, environments, monitoring, health checks, and alerting.
- Support ML/MLOps, model versioning, and cloud training infrastructure.
- Execute infrastructure/service migrations without disrupting production.
- Ensure security, PII protection, and reliable, auditable production deployments.

📌 1888 - Senior Backend Engineer (Buenos Aires)
🏢 Softgic
📍 Buenos Aires