Senior Backend Engineer - Communications

Jobgether • Greater Madrid Metropolitan Area

Remote

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AI Summary

Design, build, and maintain scalable backend systems powering unified communications across multiple channels. Develop and evolve RESTful APIs and backend services that support high-volume, real-time messaging workflows. Contribute to the architecture and evolution of event-driven and service-oriented systems using modern design principles.

Key Highlights

Design, build, and maintain scalable backend systems

Develop and evolve RESTful APIs and backend services

Contribute to the architecture and evolution of event-driven and service-oriented systems

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Key Responsibilities

Design, build, and maintain scalable backend systems powering unified communications across multiple channels

Develop and evolve RESTful APIs and backend services that support high-volume, real-time messaging workflows

Contribute to the architecture and evolution of event-driven and service-oriented systems using modern design principles

Ensure system reliability through strong testing practices, including unit and integration testing

Monitor, troubleshoot, and optimize production systems to ensure high availability and performance

Collaborate with cross-functional teams to deliver features that enhance communication automation and user experience

Technical Skills Required

PHP Golang RESTful APIs Event-driven architectures Domain-Driven Design (DDD) Unit and integration testing Cloud environment Message queues (e.g., AWS SQS)

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Benefits & Perks

Fully remote role within the EMEA region

Competitive compensation aligned with market standards

Equity participation through stock options

Annual paid leave aligned with local regulations and contract norms

Country-specific benefits such as healthcare and pension contributions

Job Description

This role sits at the core of a high-scale communications platform powering seamless interactions between hosts and guests across multiple channels such as email, SMS, WhatsApp, and OTA messaging. You will help build and evolve a unified inbox system that processes large volumes of real-time communication data while supporting advanced automation, AI-driven features, and messaging workflows. The environment is highly technical and fast-paced, requiring strong backend expertise and a mindset focused on scalability, reliability, and performance. You will collaborate closely with cross-functional teams to design systems that directly improve customer experience and operational efficiency. This is a high-impact position where your work will shape how critical communication flows are handled at scale. The team operates in a remote-first, distributed setup, with strong emphasis on ownership, autonomy, and engineering excellence. You will contribute to a platform that must remain robust, extensible, and capable of handling complex integrations and high-throughput workloads.

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