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Senior Software Engineer (Go)

CloudTalk

CloudTalk

Software Engineering
Prague, Czechia
Posted on Oct 20, 2025

🌍 Global SaaS Company | $28M Series B Investment | 100% Remote or Hybrid
🚀 #1 AI business communication platform

About CloudTalk

Powered by a January 2024 $28 million Series B investment from top investors like KPN Ventures, Lead Ventures, Point 9, and HenQ, CloudTalk's AI-powered business communication platform helps 4,000+ sales and support teams make customer experience the greatest competitive advantage for driving more revenue.

CloudTalk works seamlessly for businesses of all sizes, from scale-ups like Deel and TIER to big players like Nokia, Glovo, and Rakuten. Modern businesses all around the world can lead meaningful conversations while managing calls and messages from one place.

CloudTalk is on a mission to create a unified ecosystem for sales and customer service teams' communication where every professional can engage in more productive and meaningful conversations.

Challenge ahead:

As a Go Developer at CloudTalk, you will join an Engineering team of 50+ people and work in teams consisting of Backend and Frontend developers, QA engineers, Product Manager and Engineering Manager. We operate in a Scrum environment where you’ll collaborate with cross-functional teams to develop and maintain scalable web applications using Go.


What you will work on:

  • Develop and maintain high-performance backend services in Go (Golang) for AI voice and analytics workloads.
  • Design and implement microservices, event-driven architectures, and scalable APIs (REST, gRPC).
  • Build systems handling real-time audio data, streaming pipelines, and AI integrations (speech-to-text, summarization, sentiment).
  • Work with MySQL, MongoDB, Redis, and message brokers like Kafka, NATS, or RabbitMQ.
  • Deploy and monitor production systems using Docker, Kubernetes, and CI/CD pipelines on AWS / GCP.
  • Collaborate with AI, data, and product teams to build reliable, high-throughput backend services.
  • Ensure observability, scalability, and fault tolerance across distributed systems.

What we are looking for:

  • 5+ years backend experience, including 3+ years with Go.
  • Strong understanding of concurrency, distributed systems, and networking fundamentals.
  • Experience designing microservices and cloud-native systems.
  • Hands-on with testing, profiling, and performance optimization.
  • Familiarity with monitoring and tracing tools (Prometheus, Grafana, OpenTelemetry).
  • Comfortable working with CI/CD, Docker, Kubernetes, and Git-based workflows.

Nice to have:

  • Background in real-time communication, VoIP, or WebRTC systems.
  • Experience with AI/ML pipelines (speech recognition, NLP, conversation analytics).
  • Contributions to open-source Go projects.
  • Knowledge of clean architecture, DDD, or CQRS principles.



Why you will love to be a CloudTalker:

Growth:
💡 1-1 Coaching sessions with our resident communications advisor
📚 Leaders Academy & Learning and Development Budget

Flexibility:

🏖 Unlimited Paid Time Off
🎗️ Volunteering Days
⏳ Flexible working hours
🤩 Home office budget
💻 MacBook for work

Well-being:
🏖Recharge Fridays once per quarter
🏋🏼‍♀️Fitness Allowance

Connectedness:
💲 Referral bonuses
👥 Virtual & physical team buildings
👕 Company merchandise

What to expect from the hiring process:

  1. 30-min chat with our Talent Acquisition Team
  2. Assignment
  3. 90-min Technical Round
  4. 45-min Culture Bar Raiser Interview and Offer

By submitting your application, you acknowledge that Cloudtalk will process your personal data based on Cloudtalk’s legitimate interest in finding the most suitable candidate and a pre-contractual relationship with you. For more information on how Cloudtalk processes your personal data, please refer to our Privacy Notice.