Senior Software Engineer, Sandboxes

🕒 August 12

🌐 United Kingdom, Portugal, +4 more countries – Remote

🇬🇧 United Kingdom – Remote 🇵🇹 Portugal – Remote 🇪🇸 Spain – Remote 🇮🇹 Italy – Remote 🇩🇪 Germany – Remote 🇺🇸 United States – Remote

💵 €94k - €155.7k / year

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

👻 Ghost score 9%

What it means: the chance that no one is really hiring for this job.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.Why this score:

• Open for 91 days.
• Jobs at this company usually fill in 53 days.

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Docker, Inc

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💰 $105M Series C on 2022-03

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Docker, Inc is a company that simplifies the lives of developers by tackling the complexity of app development. They offer tools that allow developers to bring their ideas to life through containerization and orchestration, making the development process easier and more efficient. Docker's products, including Docker Desktop and Docker Hub, are widely adopted by millions of developers worldwide, enhancing workflows and providing an integrated development pipeline.

📋 Description

• Design, develop, and lead improvements to the sandboxes product across agent integration, tool permissions, and developer-facing workflows • Investigate and resolve correctness, performance, and stability issues in the agent integration layer across macOS, Windows, and Linux • Drive reliability and performance of sandbox creation, session management, and teardown for AI agent workloads • Collaborate with peers, Product, and adjacent teams to evolve the architecture • Mentor engineers and set the bar in design reviews and code reviews • Engage with the open source and agentic development community around sandboxing, MCP, and related ecosystems • Participate in on-call rotations and respond to critical stability issues affecting users • Document work clearly and share knowledge with the team • Build understanding of the codebase, products, and near-term technical priorities • Deliver small fixes or improvements during the first 30 days • Lead a significant local sandboxes stack improvement or feature within the first 90 days • Shape technical direction and drive architecture discussions • Deliver measurable improvements to sandbox correctness and performance • Become technical owner of key codebase areas and a technical leader for the local runtime • Help define longer-term filesystem-layer technical strategy

🎯 Requirements

• 6+ years of software engineering experience • Demonstrated technical leadership on production systems at scale • Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience • Experience building developer tools, desktop applications, or runtime infrastructure used directly by developers • Familiarity with the agentic software development ecosystem, including coding agents and tools such as Claude Code and Codex • Ability to reason about isolation and security boundaries and establish safe defaults • Experience driving architecture and technical strategy across multiple engineers or teams • Strong written and verbal communication skills • Comfortable working with a high degree of autonomy in a remote-first environment • Ability to work across macOS, Windows, and Linux • Ability to participate in on-call rotations • Visa sponsorship considered case-by-case based on business needs

🏖️ Benefits

• Freedom & flexibility; fit your work around your life • Designated quarterly Whaleness Days plus end of year Whaleness break • Home office setup • 16 weeks of paid Parental leave (after 6 months of employment) • Technology stipend equivalent to $100 USD net/month • PTO plan that encourages you to take time to do the things you enjoy • Training stipend for conferences, courses and classes • Equity • Docker Swag • Medical benefits, retirement and holidays vary by country • Remote-first culture

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