Software Engineer (App Runtime)

At Docker, we make app development easier so developers can focus on what matters. Our remote-first team spans the globe, united by a passion for innovation and great developer experiences. With over 20 million monthly users and 20 billion image pulls, Docker is the #1 tool for building, sharing, and running apps—trusted by startups and Fortune 100s alike. We’re growing fast and just getting started. Come join us for a whale of a ride!

The Runtime team is responsible for the core container runtime components that power Docker, including the Moby Engine, containerd, and associated low-level systems. These open source projects, primarily written in Go and C, form the foundation for running containers across millions of developers’ machines and production environments worldwide. This work underpins many open source projects, Docker products like Docker Desktop as well as third-party tools. With team members spanning the US and Europe, our mission is to enhance the most widely used container runtime to support fast and reliable container workflows.

The successful candidate is passionate about developer experience with an interest in low-level container workings. They are comfortable working with peers in Product and Design to solve user problems. They have an eye for security, performance concerns, and have strong interpersonal skills that they have used when developing code for or working on open source projects.

Responsibilities:

• Contribute new Runtime features based in collaboration with Design and Product

• Work with other Docker teams on integrating build tooling (Desktop, Hub)

• Maintain and evolve open source code bases

• Collaborate with contributors to our projects and with upstream projects

Qualifications:

• 5+ years of software development experience using a backend language (like Go, C, C++, or Rust)

• Experience developing for Linux

• Experience working on open source projects

• Strong written and verbal English communication skills

What to expect in the first 30 days:

• Meet the team

• Understand the team mission

• Start diving into a part of the code base

• Start triaging the open source repositories

• Ship a small change

What to expect in the first 90 days:

• Feel comfortable in a part of the code base

• Meet people across the company

• Ship a more major change

• Have demoed something you worked on at the internal Product Development demos

• Attended a customer call

• Understanding of the Docker personas and how they apply to Runtime

What to expect in the first year:

• Have autonomy/ownership over an area (level dependent)

• Helped shape the direction of Runtime/Moby (level dependent)

• Have worked with other teams at Docker on delivering an end to end feature

We use Covey as part of our hiring and / or promotional process for jobs in NYC and certain features may qualify it as an AEDT. As part of the evaluation process we provide Covey with job requirements and candidate submitted applications. We began using Covey Scout for Inbound on April 13, 2024.

Please see the independent bias audit report covering our use of Covey here.

Perks

• Freedom & flexibility; fit your work around your life

• Designated quarterly Whaleness Days

• Home office setup; we want you comfortable while you work

• 16 weeks of paid Parental leave

• Technology stipend equivalent to $100 net/month

• PTO plan that encourages you to take time to do the things you enjoy

• Quarterly, company-wide hackathons

• Training stipend for conferences, courses and classes

• Equity; we are a growing start-up and want all employees to have a share in the success of the company

• Docker Swag

• Medical benefits, retirement and holidays vary by country

Docker embraces diversity and equal opportunity. We are committed to building a team that represents a variety of backgrounds, perspectives, and skills. The more inclusive we are, the better our company will be.

Due to the remote nature of this role, we are unable to provide visa sponsorship.

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