---
title: "Sr Software Engineer at Sinch – Madrid, Spain +1 · Full-time"
canonical: "https://www.metaintro.com/job/sr-software-engineer-at-sinch-5e696a8d-cbb5-50b7-b5a4-e3db0b701c58"
language: "en"
author: "Metaintro"
---

[/company/sinch](/company/sinch)[Sinch](/company/sinch)
# Sr Software Engineer at Sinch

Department: Engineering

LanguageEnglish
Español
Svenska

Compensation · Listed in posting

€60,000 – €80,000/yr

**Location**
: Madrid, Community of Madrid · Stockholm

**Type**
: Full-time

**Level**
: senior

**Posted**
: Sep 2, 2026

## Description

Sinch is hiring a Senior Software Engineer to design, build, and scale Chatlayer’s conversational AI platform. The role focuses on backend services, WebSocket and real-time communication infrastructure, platform integrations, distributed systems, identity management, and production reliability. Responsibilities include architectural evolution, code reviews, mentoring, on-call support, and improving system health. Candidates need at least five years of professional software engineering experience, proficiency in Node.js/TypeScript and/or Go, and experience with real-time systems, cloud infrastructure, microservices, distributed systems, databases, and APIs. The position offers annual compensation of €60,000–€80,000 in Spain and monthly compensation of 60,000–75,000 SEK in Sweden.

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