2 months ago
Mexico City, MexicoStaff+
Responsibilities
- Design and harden the Kotlin/Spring Boot runtime that executes workflow graphs reliably in production.
- Implement and improve Temporal workflows, activities, signals, queries, retries, and recovery paths.
- Strengthen contract-first APIs and shared contracts.
- Own failure-mode design for distributed execution retries, idempotency, partial failure, replay safety, pause/resume, and graceful degradation.
- Work across HTTP, agentic tool-calling, LLM, and human-in-the-loop workflow nodes.
- Improve integration coverage using Testcontainers and layered Docker Compose profiles.
- Collaborate with Composer and AI/KB teams on execution semantics and runtime behavior.
- Write operational documentation, runbooks, and reliability guidance for a reliability-critical service.
Requirements
- Strong production Kotlin backend experience.
- Strong Spring Boot experience in distributed systems or platform services.
- Hands-on production experience with Temporal.
- Strong understanding of workflow durability, retries, idempotency, and recovery design.
- Experience with multi-module Gradle codebases and contract-first API design.
- Experience with JPA/Hibernate and PostgreSQL.
- Experience with Docker Compose and Testcontainers integration testing.
- Ability to debug multi-service systems with mixed Kotlin and Python components.
- Experience with observability tools such as Micrometer.
- Advanced English proficiency is required.
Benefits
- The position is available in Argentina, Mexico (CDMX or Guadalajara), and Peru.
- The role is offered as a contractor position.
Tech Stack
Categories
About Santex
Santex provides custom software development and consulting for enterprises, building web and mobile applications, digital commerce platforms, and AI-enabled solutions with DevOps and quality engineering support. The privately held B Corp was founded in 1999 and is headquartered in Carlsbad, California, serving clients across the Americas and beyond through distributed delivery teams. Offerings include security reviews and enterprise integration alongside ongoing managed engineering services.