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Santex

Principal Back-End Engineer (Must: Kotlin & Spring Boot)

Santex · Argentina / Perú; México City

Posted 26 days ago

or apply directly on Santex's site. We never take the application ourselves.

Is this posting real?

This role has been open
26 days
Santex's roles stay open a median of 25 days
Reposted
No
Salary listed
No
0% of Santex's roles list one
Ghost-job risk at Santex
moderate
3 stale, 1 reposted of 12 open
Hiring momentum
27 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-09-17

Measured from postings appearing on and disappearing from Santex's own greenhouse board since 2026-08-03. Full hiring picture for Santex.

About this role

The Principal Back-End Engineer at Santex will focus on developing and enhancing the Kotlin/Spring Boot runtime for a no-code workflow platform. This role involves designing reliable execution of workflow graphs, implementing Temporal.io workflows, and ensuring robust API contracts. The engineer will collaborate with various teams to improve system reliability and write operational documentation for critical services.

Our read on this posting3.0out of 5
benefits
1/5
freshness
4/5
career value
5/5
role clarity
5/5
pay transparency
0/5

Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Santex as an employer.

What you need

  • Strong production Kotlin backend experience
  • Strong Spring Boot experience in distributed systems or platform services
  • Hands-on Temporal experience in production
  • 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

Nice to have

  • Experience with DAG/workflow/orchestration engines
  • Experience with AI/LLM/agent runtimes or other non-deterministic execution systems
  • Familiarity with FastAPI-based workers and cross-language integration
  • Experience with auth/token provider abstractions, OAuth2/JWT, or cached token acquisition
  • Experience writing operational docs, runbooks, and reliability guidance.

Worth weighing

  • No salary listed
  • Role involves complex system design and execution, which may require a steep learning curve
  • Position is contract-based, which may affect job security and benefits

Summarised from Santex's posting. Read the full original.

Listed by Santex on their greenhouse job board, last confirmed open on 2026-09-17. PitchMeAI is not the employer.

More roles at Santex

All 12 open roles at Santex →

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