📍 Job Overview

Job Title: Senior Software Engineer (Docker Hub)
Company: Docker
Location: United Kingdom (Remote)
Job Type: Full-Time
Category: Backend Developer, DevOps Engineer
Date Posted: 2025-08-08
Experience Level: Mid-Senior Level (2-5 years)
Remote Status: Remote (Global)

🚀 Role Summary

Key web technology aspect 1: Develop and maintain the largest container registry service, Docker Hub, used by millions of users worldwide.
Key web technology aspect 2: Build features that operate reliably at massive scale, delivering a differentiated experience for free and paid users.
Key web technology aspect 3: Enhance existing services and develop new functionality within Docker Hub's service-oriented architecture.
Key web technology aspect 4: Improve monitoring and reliability of Docker Hub stack and CI/CD processes to maintain high-quality standards with a fast pace of delivery.

📝 Enhancement Note: This role focuses on backend development and DevOps engineering, with a strong emphasis on scalability, reliability, and user experience in a container registry service.

💻 Primary Responsibilities

Web technology responsibility 1: Serve as a key player in specific areas of the Hub & registry codebase while ramping up on unfamiliar parts as needed.
Web technology responsibility 2: Work independently or collaboratively to deliver high-quality, well-documented, and maintainable code.
Web technology responsibility 3: Understand and consider the full lifecycle of your changes, including deployment, monitoring, and documentation, ensuring smooth integration into the broader system.
Web technology responsibility 4: Work effectively with engineers across teams to achieve shared outcomes and contribute to cross-functional projects.
Web technology responsibility 5: Collaborate with User Experience experts, Product Management, and Operations teams to deliver user-centric features and improve existing services.

📝 Enhancement Note: This role requires a strong understanding of backend development, API design, and system context, with a focus on delivering high-quality code and collaborating effectively with cross-functional teams.

🎓 Skills & Qualifications

Education: A bachelor's degree in Computer Science, a related field, or equivalent experience.

Experience: 3+ years of experience building SaaS products with modern languages like Golang, Python, or Java.

Required Skills:

Experience in API design
Follow good software engineering practices such as code review, source control, continuous integration, and testing
Ability to work in a team with other developers and partner with User Experience experts, Product Management, and Operations teams
Good written communication skills
Ability to work remotely across time zones

Preferred Skills:

Experience with Docker and Kubernetes
Experience with modern monitoring and logging platforms
Experience with database technologies and SQL

📝 Enhancement Note: This role requires a strong background in backend development, API design, and software engineering practices. Experience with Docker, Kubernetes, and modern monitoring platforms is preferred but not required.

📊 Web Portfolio & Project Requirements

Portfolio Essentials:

Specific web portfolio requirement 1: Demonstrate experience building and maintaining scalable backend services, with a focus on API design and user experience.
Specific web portfolio requirement 2: Showcase your ability to work effectively with cross-functional teams, including User Experience experts, Product Management, and Operations teams.
Specific web portfolio requirement 3: Highlight your understanding of system context, including deployment, monitoring, and documentation, ensuring smooth integration into broader systems.
Specific web portfolio requirement 4: Display your proficiency in modern software engineering practices, such as code review, source control, continuous integration, and testing.

Technical Documentation:

Technical documentation requirement 1: Provide clear and concise code comments, explaining complex logic and algorithms.
Technical documentation requirement 2: Document version control, deployment processes, and server configuration, ensuring smooth collaboration and knowledge sharing within the team.
Technical documentation requirement 3: Describe testing methodologies, performance metrics, and optimization techniques used in your projects.

📝 Enhancement Note: This role requires a strong focus on backend development, API design, and software engineering practices. A well-structured portfolio demonstrating these skills and a solid understanding of system context is essential.

💵 Compensation & Benefits

Salary Range: €113,200 - €155,650 per year (Based on market research for senior backend developers and DevOps engineers in the United Kingdom)

Benefits:

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

Working Hours: 40 hours per week, with flexible scheduling to accommodate remote work and global time zones.

📝 Enhancement Note: The salary range is based on market research for senior backend developers and DevOps engineers in the United Kingdom. The benefits package is tailored to the remote work arrangement and global workforce.

🎯 Team & Company Context

🏢 Company Culture

Industry: Docker operates in the containerization and cloud computing industries, with a strong focus on developer experience and user-centric design.

Company Size: Docker has a remote-first team spanning the globe, with over 20 million monthly users and 20 billion image pulls, making it the #1 tool for building, sharing, and running apps.

Founded: 2010 (San Francisco, CA, USA)

Team Structure:

Web technology team aspect 1: The Docker Hub team consists of backend software engineers, DevOps engineers, User Experience experts, Product Managers, and Operations teams working collaboratively to deliver a high-quality container registry service.
Web technology team aspect 2: The team follows a flat hierarchy, with a strong emphasis on cross-functional collaboration and peer-to-peer learning.
Web technology team aspect 3: Docker's remote-first culture encourages global collaboration and knowledge sharing, with team members working across different time zones.

Development Methodology:

Development process 1: Docker uses Agile methodologies, with a focus on sprint planning, regular stand-ups, and continuous improvement.
Development process 2: The team follows code review best practices, with a focus on quality, maintainability, and knowledge sharing.
Development process 3: Docker employs CI/CD pipelines and automated deployment processes to ensure fast and reliable delivery of new features and updates.

Company Website: docker.com

📝 Enhancement Note: Docker's remote-first culture and global team structure require strong communication, collaboration, and adaptability from its employees. The company's development methodology emphasizes Agile practices, code review, and CI/CD pipelines.

📈 Career & Growth Analysis

Web Technology Career Level: Senior Software Engineer (Docker Hub)

Detailed level description: Senior Software Engineers in the Docker Hub team are responsible for building and maintaining the largest container registry service, delivering a differentiated user experience, and improving the reliability and scalability of the platform. They work collaboratively with cross-functional teams and contribute to the evolution of Docker Hub and Docker's next chapter.
Reporting Structure: Senior Software Engineers report directly to the Engineering Manager of the Docker Hub team.
Technical Impact: Senior Software Engineers in the Docker Hub team have a significant impact on the user experience of millions of developers worldwide. They contribute to the evolution of Docker Hub and Docker's next chapter, driving innovation in containerization and cloud computing.

Growth Opportunities:

Growth opportunity 1: With Docker's rapid growth and expansion, there are ample opportunities for Senior Software Engineers to take on more significant responsibilities, lead projects, and advance their careers within the company.
Growth opportunity 2: Docker encourages continuous learning and skill development, with a focus on emerging technologies, such as Kubernetes, serverless architectures, and cloud-native applications.
Growth opportunity 3: As Docker continues to grow, there will be opportunities for Senior Software Engineers to move into technical leadership roles, architecture decision-making, and mentoring junior engineers.

📝 Enhancement Note: Docker's rapid growth and expansion present numerous opportunities for Senior Software Engineers to advance their careers within the company. The company encourages continuous learning and skill development, with a strong focus on emerging technologies and technical leadership.

🌐 Work Environment

Office Type: Remote-first, with a strong emphasis on global collaboration and knowledge sharing.

Office Location(s): United Kingdom (Remote)

Workspace Context:

Workspace aspect 1: Docker's remote-first work environment allows Senior Software Engineers to work from the comfort of their own homes, with the flexibility to fit their work around their life.
Workspace aspect 2: Docker provides home office setup support to ensure Senior Software Engineers have the tools and equipment they need to work effectively and comfortably.
Workspace aspect 3: Docker's global team structure encourages cross-functional collaboration and knowledge sharing, with team members working across different time zones and contributing to various projects.

Work Schedule: Flexible scheduling to accommodate remote work and global time zones, with a focus on delivering high-quality work and maintaining a healthy work-life balance.

📝 Enhancement Note: Docker's remote-first work environment requires strong communication, collaboration, and adaptability from its employees. The company provides home office setup support and encourages a healthy work-life balance.

📄 Application & Technical Interview Process

Interview Process:

Process step 1: Technical preparation recommendations and coding/configuration assessment focus, with an emphasis on backend development, API design, and software engineering practices.
Process step 2: Web architecture expectations and system design discussion, with a focus on scalability, reliability, and user experience.
Process step 3: Web development team interaction and cultural fit assessment, with a focus on collaboration, communication, and adaptability.
Process step 4: Final evaluation criteria and technical impact discussion, with a focus on the candidate's ability to deliver high-quality work and drive innovation in the Docker Hub team.

Portfolio Review Tips:

Portfolio tip 1: Highlight your experience building and maintaining scalable backend services, with a focus on API design and user experience.
Portfolio tip 2: Demonstrate your ability to work effectively with cross-functional teams, including User Experience experts, Product Management, and Operations teams.
Portfolio tip 3: Showcase your understanding of system context, including deployment, monitoring, and documentation, ensuring smooth integration into broader systems.
Portfolio tip 4: Emphasize your proficiency in modern software engineering practices, such as code review, source control, continuous integration, and testing.

Technical Challenge Preparation:

Challenge preparation 1: Familiarize yourself with Docker and Kubernetes, as well as modern monitoring and logging platforms, to ensure you can effectively contribute to the Docker Hub team's projects.
Challenge preparation 2: Brush up on your API design skills and software engineering practices to ensure you can deliver high-quality code and collaborate effectively with the team.
Challenge preparation 3: Prepare for system design discussions and architecture decision-making, focusing on scalability, reliability, and user experience.

ATS Keywords:

Backend Software Engineering
API Design
Software Engineering Practices
Team Collaboration
User Experience
Product Management
Operations
Containerization
Kubernetes
Cloud Computing
Agile Methodologies
CI/CD Pipelines
Remote Work
Global Collaboration

📝 Enhancement Note: The interview process for this role focuses on backend development, API design, and software engineering practices, with an emphasis on scalability, reliability, and user experience. The portfolio review tips and technical challenge preparation recommendations are tailored to the specific requirements of the Docker Hub team.

🛠 Technology Stack & Web Infrastructure

Frontend Technologies: (Not applicable for this role)

Backend & Server Technologies:

Backend technology 1: Golang, Python, or Java (Required)
Server technology 2: Docker, Kubernetes (Preferred)
Infrastructure tool 3: Modern monitoring and logging platforms (Preferred)

Development & DevOps Tools:

Development tool 1: Version control systems, such as Git (Required)
DevOps tool 2: CI/CD pipelines and automated deployment tools, such as Jenkins or GitLab CI/CD (Preferred)
Monitoring tool 3: Modern monitoring and logging platforms, such as Prometheus or ELK Stack (Preferred)

📝 Enhancement Note: This role requires a strong background in backend development, API design, and software engineering practices. Experience with Docker, Kubernetes, and modern monitoring platforms is preferred but not required.

👥 Team Culture & Values

Web Development Values:

Web development value 1: User-centric design and user experience focus, with a strong emphasis on delivering high-quality features and improving existing services.
Web development value 2: Performance optimization and accessibility standards, ensuring that Docker Hub is reliable, scalable, and accessible to all users.
Web development value 3: Code quality approach and collaborative development practices, with a focus on knowledge sharing, peer review, and continuous improvement.
Web development value 4: Innovation expectations and emerging technology adoption, with a strong emphasis on driving innovation in containerization and cloud computing.

Collaboration Style:

Collaboration approach 1: Cross-functional integration between developers, User Experience experts, Product Management, and Operations teams, with a focus on delivering high-quality features and improving existing services.
Collaboration approach 2: Code review culture and peer programming practices, with a strong emphasis on knowledge sharing, peer review, and continuous improvement.
Collaboration approach 3: Knowledge sharing, technical mentoring, and continuous learning, with a focus on driving innovation in containerization and cloud computing.

📝 Enhancement Note: Docker's web development values and collaboration style emphasize user-centric design, performance optimization, code quality, and innovation. The company encourages cross-functional collaboration, knowledge sharing, and continuous learning.

⚡ Challenges & Growth Opportunities

Technical Challenges:

Web development challenge 1: Designing and implementing scalable APIs that can handle millions of requests per day, with a focus on performance, reliability, and user experience.
Web development challenge 2: Improving the monitoring and reliability of Docker Hub's stack and CI/CD processes, ensuring high-quality standards with a fast pace of delivery.
Web development challenge 3: Enhancing user experience and accessibility standards, with a focus on delivering a differentiated experience for free and paid users of Docker Hub.
Web development challenge 4: Contributing to the evolution of Docker Hub and Docker's next chapter, driving innovation in containerization and cloud computing.

Learning & Development Opportunities:

Learning opportunity 1: Web technology skill advancement and specialization paths, with a focus on emerging technologies, such as Kubernetes, serverless architectures, and cloud-native applications.
Learning opportunity 2: Conference attendance, certification, and community involvement, with a focus on continuous learning and skill development.
Learning opportunity 3: Technical mentorship, leadership development, and architecture decision-making, with a focus on driving innovation in containerization and cloud computing.

📝 Enhancement Note: Docker's technical challenges and learning opportunities focus on driving innovation in containerization and cloud computing. The company encourages continuous learning, skill development, and technical mentorship, with a strong emphasis on driving innovation in the field.

💡 Interview Preparation

Technical Questions:

Technical question 1: API design and backend development fundamentals, with a focus on performance, reliability, and user experience.
Technical question 2: Web architecture and system design, with a focus on scalability, reliability, and user experience.
Technical question 3: Problem-solving and algorithm design, with a focus on backend development and software engineering practices.

Company & Culture Questions:

Technical question 4: Docker's web development culture, with a focus on user-centric design, performance optimization, code quality, and innovation.
Technical question 5: Agile methodologies and development processes, with a focus on code review, testing, and quality assurance practices.
Technical question 6: User experience impact and project metrics, with a focus on delivering high-quality features and improving existing services.

Portfolio Presentation Strategy:

Presentation strategy 1: Live website demonstration and technical walkthrough methods, with a focus on backend development, API design, and software engineering practices.
Presentation strategy 2: Code explanation techniques and architecture decision reasoning, with a focus on scalability, reliability, and user experience.
Presentation strategy 3: User experience showcase and responsive design demonstration methods, with a focus on delivering high-quality features and improving existing services.

📝 Enhancement Note: The interview preparation tips and strategies for this role focus on backend development, API design, and software engineering practices, with an emphasis on scalability, reliability, and user experience. The portfolio presentation strategies are tailored to the specific requirements of the Docker Hub team.

📌 Application Steps

To apply for this Senior Software Engineer (Docker Hub) position:

Submit your application through the application link.
Customize your web portfolio with live demos and responsive examples, highlighting your experience building and maintaining scalable backend services, with a focus on API design and user experience.
Optimize your resume for web technology roles, with a focus on project highlighting and technical skills emphasis.
Prepare for technical interviews, focusing on backend development, API design, and software engineering practices, with an emphasis on scalability, reliability, and user experience.
Research Docker's company culture, web development values, and collaboration style, with a focus on user-centric design, performance optimization, code quality, and innovation.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and web development/server administration industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.

Senior Software Engineer (Docker Hub)