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Senior Fullstack Engineer, Lens

Mirantis.com

Office

Helsinki, Uusimaa, Finland

Full Time

Company Description

Mirantis is an open cloud company that helps organizations achieve digital self determination by giving them complete control over their strategic infrastructure. The company combines intelligent automation and cloud-native expertise for managing and operating virtual machines, containers, Kubernetes, and cloud environments.

We empower developers and innovators to create extraordinary products and services by automating the discovery, integration, and operation of the best cloud and open source technologies for their unique needs.

https://www.mirantis.com/

Job Description

Mirantis is looking for a highly skilled and passionate Senior Fullstack Developer to develop scalable software solutions that deliver exceptional user experiences. As part of the Lens team, you will contribute to the development of Lens, the leading IDE for Kubernetes developers, used by over 700,000 DevOps professionals globally. Lens is built on Electron and powered by modern technologies such as React, TypeScript, and Node.js. The Lens Cloud backends also leverage TypeScript and Node.js, ensuring a robust and scalable infrastructure.

You’ll be part of a cross-functional team that’s responsible for the full software development life cycle, from conception to deployment. As a Full Stack Developer, you should be comfortable around both front-end and back-end coding languages, development frameworks and third-party libraries. You should also be a team player with a knack for visual design and utility.

At Mirantis, we work with some of the latest tools, UI frameworks and a wide array of cutting-edge web technologies. We are looking for someone who is excited to try new things and enjoy technical challenges. The tools and technology we create should be as beautiful and easy to use as the world's best designed online services. Our microservice based backend architecture aims for highest availability and resilience to deliver a stable and reliable service to our amazing customers. 

Key Responsibilities

  1. Feature Development

  2. End-To-End Ownership

  3. Collaboration & Communication

  4. Quality & Best Practices
  5. Continuous Innovation

  6. Community Involvement

  7. Beneficial / Nice-To-Have

Qualifications

  • Strong knowledge of RESTful API design, including performance optimization, security, and reliability considerations.
  • Familiarity with large language models (LLMs) and experience integrating AI frameworks or APIs (e.g., OpenAI, AWS Bedrock,...) into web applications or developer tools is beneficial.
  • Understand and apply quality techniques and practices (automated unit testing, performance analysis, telemetry and error reporting, continuous integration)
  • Problem-solving mentality with the ability to quickly learn and apply new technologies.
  • Passion for clean, maintainable code and an appreciation for great design principles.
  • Eye and appreciation for great design, High standards for usability.
  • Strong problem solving skills
  • Excellent communication and teamwork skills; comfortable collaborating with diverse teams and external community contributors.
  • Self-driven and proactive in seeking ways to improve workflows, systems, and user experiences.

Why Join Team Lens at Mirantis?

  • Work with world-class engineers, product, and design teams in a fast-paced, impact-driven environment.
  • Flexible remote work within the EU or the option to work from our Helsinki hub.
  • Join a company that values user experience, community engagement, and an open-source ethos at its core.
  • Receive a competitive compensation package with strong benefits plan.

If you’re passionate about building best in class developer tools—we want to hear from you! Apply today!

Additional Information

What does Mirantis offer you?

  • Work with an established leader in the cloud infrastructure industry.
  • Work with exceptionally passionate, talented and engaging colleagues, helping Fortune 500 and Global 2000 customers implement next-generation cloud technologies.
  • Be a part of cutting-edge, open-source innovation.
  • Thrive in the high-energy environment of a young company where openness, collaboration, risk-taking, and continuous growth are valued.
  • Receive a competitive compensation package with strong benefits plan.

We are a Leader for Container Management in G2 (#2 after AWS)!

Senior Fullstack Engineer, Lens

Office

Helsinki, Uusimaa, Finland

Full Time

September 28, 2025

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Mirantis

MirantisIT