Senior Golang Backend Software Engineer, Message squad

About Diabolocom

Diabolocom enables organizations worldwide to build brand loyalty and drive sales growth through an innovative, cloud-based contact center platform. Our solution leverages AI-driven technologies to deliver exceptional customer experiences, combining premium voice quality, real-time analytics, and global scalability.

We integrate seamlessly with leading CRMs and provide a rich set of APIs and services in multiple languages. With offices across Europe, the USA, Brazil, and the UAE, and more than 350 clients operating in over 60 countries, Diabolocom is experiencing strong international growth.

As part of this expansion, we are strengthening our engineering team and are looking for a Senior Golang Software Engineer to join our Message Squad.

About the Team – Message Squad

The Message Squad builds and maintains services that enable communication across multiple text-based channels. Initially focused on email, the team is now expanding into a broader messaging platform integrating channels such as WhatsApp, SMS, and social networks.

Team composition:

7 backend engineers

2 QA engineers

Tech Stack

Languages: Golang (80%), Java (20%)

Database: PostgreSQL

Messaging: RabbitMQ

Caching: Redis

Infrastructure: Docker, Kubernetes

Observability: Grafana, Prometheus, Loki

Key Focus Areas

Enhancing messaging features (templates, quick replies, voice messages)

Building a unified ticketing system for multi-channel communication

Collaborating with other squads on cross-functional features

Requirements

5+ years of experience in software development within product-focused companies (B2B or B2C)

2+ years of hands-on experience with Golang

Strong experience with relational databases (preferably PostgreSQL)

Experience with message brokers (preferably RabbitMQ)

Experience with caching systems (preferably Redis)

Experience with libraries such as gin-gonic, go-jet, amqp091, gRPC

Experience with microservices architecture and API design

Ability to make architectural decisions and evaluate trade-offs (performance, scalability, reliability)

Strong autonomy and leadership potential, with willingness to grow into a lead role

Comfortable working with and improving existing (including legacy) codebases

Strong engineering culture, attention to detail, and product mindset

Fluent in English

Valuable assets

Experience with Java / Spring

Experience designing and building distributed systems

Familiarity with cloud-native infrastructure and CI/CD tools (Docker, Kubernetes)

What We Offer

A collaborative and multicultural environment focused on innovation and knowledge sharing

The opportunity to work on a real product with global impact

Work on large-scale, real-time, mission-critical systems

Clear career growth opportunities and increasing ownership

High-quality IT equipment of your choice

Flexible working hours and remote work options

Recruitment Process

Introductory call with Talent Acquisition

Live coding session with a Lead Software Engineer (1 hour)

System design interview with a Lead Software Engineer (1.5 hours, screen sharing)

Final cultural fit interview with the Head of Software Engineering (1 hour)

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