1888 - Senior Backend Engineer

SOFTGIC; Municipio de General Fernández Oro; Presencial; ARS 3.600.000 - 7.200.000; Jornada completa

Descripción de la vacante

EL SOL is seeking a Senior Backend Engineer to build and operate a production multi-tenant platform. You will own end-to-end delivery—from design and development to deployment, validation, and monitoring—working primarily with TypeScript, PostgreSQL/Supabase, and AWS.

Responsibilities include building secure multi-tenant APIs, designing schemas, and managing third-party integrations, with emphasis on data isolation, REST APIs, and scalable Cloud infrastructure.

Formación

• 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.
• Advanced English proficiency.

Responsabilidades

• 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.

Conocimientos

Backend engineering

Production systems

Autonomy

End-to-end ownership

Advanced English

Herramientas

TypeScript

PostgreSQL

Supabase

AWS

Serverless

REST APIs

OAuth

webhooks

CI/CD

RDS/Aurora

S3

Lambda

SQS

API Gateway

CloudWatch

IAM

VPC

Descripción del empleo

EL SOL, Argentina | Posted on 08/26/2026

Schedule: Monday to Friday, 8 hours – Pacific Time

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.