Backend Software Engineer, Collaboration Runtime

Posted 15 Days Ago
Be an Early Applicant
Yerevan
Hybrid
Mid level
Cloud • Information Technology • Internet of Things • Productivity • Software
Miro is a global company on a mission to change the way the world innovates.
The Role
Build and optimize the Collaboration Engine: implement gRPC and WebSocket streaming, connection multiplexing, application/service registry, and high-concurrency Java/Kotlin code to enable reliable, low-latency real-time collaboration at scale.
Summary Generated by Built In
About the Team
The Collaboration Runtime team is part of the Runtime Platforms domain. We are building a lightweight, reusable Collaboration Engine designed to decouple real-time collaboration from the monolith. Our mission is to democratize stateful app development, enabling "ubiquitous collaboration" across new surfaces like AI History, Dashboards, and Spaces. We own the core WebSocket transport, gRPC Server Proxies, and the Broadcast Application infrastructure.
About the Role
The Collaboration Runtime team is moving from a board-centric monolith to a decoupled Collaboration Engine to enable "ubiquitous collaboration" across the entire company. As a Mid-level Engineer, you will be a key builder of this new platform, helping us solve the "legacy bottleneck" by implementing reusable real-time components that work for any app, from AI History to Dashboards. This role is open because we are scaling our infrastructure to support high-load, stateful applications beyond our traditional board use cases. You will be responsible for building the high-performance gRPC and WebSocket "plumbing" that makes real-time interaction seamless for millions of users.
What you’ll do
  • Implement core features of the Collaboration Engine and the Broadcast Application to ensure the AI History use case is production-ready by the end of Q1
  • Develop and optimize gRPC streaming support (unary, bidi, and server-side) within the collaboration proxy to enable complex real-time data flows
  • Build out the Application & Server Registry, enabling discovery and routing for new services like the CIS "live updates" dashboard
  • Execute the rollout of connection multiplexing between the RTC Gateway and application servers to improve system efficiency and scale
  • Write high-concurrency code in Java/Kotlin to manage WebSocket transport paths and ensure low-latency real-time client connectivity
  • Partner with AI and Platform teams to integrate their services with the Engine, ensuring high reliability and 99.9% uptime
What you’ll need
  • Strong proficiency in Java or Kotlin, with a solid grasp of multithreading and JVM performance
  • Practical experience building and maintaining high-load distributed systems or microservices
  • Hands-on experience working with WebSockets and gRPC for real-time data transport
  • Familiarity with concurrency patterns and the ability to debug complex, stateful application issues
  • Ability to translate technical requirements into clean, testable code that integrates with complex backend proxies
  • Effective communication skills to collaborate with partner teams on API definitions and service integrations
What's in it for you

We want you to feel supported, connected, and ready to grow. Our global benefits package generally includes equity, a wellbeing benefit, a WFH equipment allowance, and an annual Learning & Development stipend. Join a diverse team where you can do your best work. Full benefits may differ per location. If you would like to learn more about location-specific benefits, please refer to our Global Miro benefits board.

Recruiter: #LI-ID2

About Miro

Miro is a visual workspace for innovation that enables distributed teams of any size to build the next big thing. The platform's infinite canvas enables teams to lead engaging workshops and meetings, design products, brainstorm ideas, and more. Miro, co-headquartered in San Francisco and Amsterdam, serves more than 100M users and 250,000 companies collaborate in the Innovation Workspace. Miro was founded in 2011 and currently has more than 1,600 employees in 13 hubs around the world.

We are a team of dreamers. We look for individuals who dream big, work hard, and above all stay humble. Collaboration is at the heart of what we do and through our work together we hope to create a supportive, welcoming, and innovative environment. We strive to play as a team to win the world and create a better version of ourselves every day. If this sounds like something that excites you, we want to hear from you!

Check out more about life at Miro: 

  • Youtube: https://www.youtube.com/@lifeatmiro
  • Blog: https://miro.com/careers/life-at-miro/all/
  • Instagram: https://www.instagram.com/mirohq/

At Miro, we strive to create and foster an environment of belonging and collaboration across cultural differences. Miro’s mission — Empower teams to create the next big thing — is how we think about our product, people, and culture. We believe that creating big things requires diverse and inclusive teams. Diversity invites all talent with different demography, identities and styles to step in, and inclusion invites them to step closer together. Every day, we are working to build a more diverse Miro, cultivate a sense of belonging for future and current Mironeers around the world, and foster an environment where everyone can collaborate and embrace differences.

Miro handles and uses personal data of job applicants in line with its Recruitment Privacy Policy found here. 

Top Skills

Grpc
Java
Jvm
Kotlin
Websocket
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The Company
HQ: San Franciso, CA
2,500 Employees
Year Founded: 2011

What We Do

Miro is a visual workspace for innovation that enables distributed teams of any size to build the next big thing. The platform's infinite canvas enables teams to lead engaging workshops and meetings, design products, brainstorm ideas, and more. Miro, co-headquartered in San Francisco and Amsterdam, serves more than 60M users worldwide, including 99% of the Fortune 100. Miro was founded in 2011 and currently has more than 1,800 employees in 12 hubs around the world.

At Miro, we are a team of nearly 1800 dreamers, thinkers, builders, storytellers, and designers from all over the world. That scale is one of our strengths, along with the intentionality behind our values. We champion one another to win the world. We lead with empathy and understanding to keep ourselves humble and our product human. We dream big, aim high, and let our failures inform our future successes.

If you want to become a part of our team, keep reading to learn more about who we are and who you can become, with us.

Why Work With Us

We don't joke about our values. Everything we do, from how we hire talent, promote employees, and celebrate our people is informed by our values. Our values shape what we stand for, and what we stand against:

- Play as a team to win the world
- Focus on impact and make it happen
- Learn, grow, and drive change
- Practice empathy to gain insight

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