Modality: Remote – WorldwideSchedule: Monday to Friday, 8 hours – Pacific TimeLevel: 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.
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📌 1888 - Senior Backend Engineer (Buenos Aires)
🏢 Softgic
📍 Buenos Aires