📍 Job Overview

Job Title: Staff Software Engineer (w/m/d) Golang - Mitigation-Work-Group, IONOS Cloud
Company: IONOS SE
Location: Karlsruhe, Germany
Job Type: Full-time
Category: Backend Developer, Golang, Cloud Engineer
Date Posted: 2025-04-04
Experience Level: Mid-Senior level (5-10 years)
Remote Status: Hybrid (Berlin or Karlsruhe)

🚀 Role Summary

Drive the development of cloud-native services using Go and design new services in a dynamic environment.
Guide other developers and ensure adherence to project goals and best practices.
Work in a cross-functional team to improve the quality, reliability, and performance of our cloud services.
Collaborate with other teams to integrate services and ensure smooth operation of our cloud infrastructure.

📝 Enhancement Note: This role requires a strong background in Go and cloud-native development, as well as experience leading software projects. Familiarity with Kubernetes and CI/CD pipelines is also essential.

💻 Primary Responsibilities

Cloud-Native Service Development: Design, develop, and maintain cloud-native services using Go, ensuring high performance, scalability, and reliability.
Service Design & Architecture: Define and implement service architecture, considering non-functional requirements such as security, availability, and maintainability.
Team Leadership & Mentoring: Lead and mentor other developers, fostering a culture of collaboration, knowledge sharing, and continuous improvement.
Cross-Functional Collaboration: Work closely with other teams, such as product management, design, and QA, to ensure services meet business requirements and user needs.
CI/CD Pipeline Management: Maintain and improve our CI/CD pipelines, ensuring efficient and reliable deployment of services.

📝 Enhancement Note: This role involves a significant amount of technical leadership and mentoring, as well as collaboration with various teams. Strong communication and interpersonal skills are crucial for success.

🎓 Skills & Qualifications

Education: Bachelor's degree in Computer Science, Software Engineering, or a related field. Relevant work experience may be considered in lieu of a degree.

Experience: 7+ years of experience in software development, with at least 5 years in Go and cloud-native development.

Required Skills:

Proficiency in Go (Golang)
Extensive experience with Kubernetes, including development and deployment of custom controllers
Strong knowledge of cloud-native development principles and best practices
Experience leading software projects and mentoring other developers
Excellent communication skills in English; German is a plus
Ability to work effectively in a dynamic, fast-paced environment

Preferred Skills:

Experience with containerization and orchestration tools (e.g., Docker, Kubernetes)
Familiarity with infrastructure as code (IaC) tools (e.g., Terraform, CloudFormation)
Knowledge of cloud platforms (e.g., AWS, GCP, Azure)
Experience with CI/CD pipelines and tools (e.g., Jenkins, GitLab CI/CD)

📝 Enhancement Note: This role requires a deep understanding of cloud-native development and Kubernetes, as well as strong leadership and mentoring skills. Experience with relevant tools and platforms is also beneficial.

📊 Web Portfolio & Project Requirements

Portfolio Essentials:

A portfolio showcasing your experience with Go, cloud-native development, and Kubernetes, including examples of services you've designed, developed, and maintained.
Examples of your leadership and mentoring skills, such as blog posts, talks, or open-source contributions.
Documentation of your projects, including code comments, version control, and deployment processes.

Technical Documentation:

Code quality and best practices, including code reviews, testing, and performance optimization.
Version control, deployment processes, and server configuration documentation.
Testing methodologies, performance metrics, and optimization techniques.

📝 Enhancement Note: While a portfolio is not explicitly required for this role, demonstrating your technical skills and leadership capabilities through relevant projects and documentation can significantly strengthen your application.

💵 Compensation & Benefits

Salary Range: €75,000 - €95,000 per year (gross), depending on experience and qualifications. This estimate is based on market research for mid-senior level Golang and cloud engineer roles in Germany.

Benefits:

Hybrid work model with home office options
Flexible working hours through trust-based working time model
Subsidized canteen and various free beverages at some locations
Modern office spaces with excellent public transportation access
Employee discounts for activities and products
Company events, such as summer and winter parties, as well as workshops
Extensive training and development opportunities
Various health programs, such as sports and health courses

Working Hours: Full-time (40 hours/week), with flexible working hours and the possibility of remote work.

📝 Enhancement Note: The salary range provided is an estimate based on market research and may vary depending on the candidate's qualifications and experience. IONOS offers a comprehensive benefits package to attract and retain top talent.

🎯 Team & Company Context

🏢 Company Culture

Industry: IONOS is a leading European cloud infrastructure provider, offering a wide range of cloud services and hosting solutions for small and medium-sized businesses.

Company Size: IONOS has over 7,000 employees worldwide, providing a large and diverse team to collaborate with and learn from.

Founded: IONOS was founded in 1988 and has since grown to become one of the largest hosting providers in Europe.

Team Structure:

The Mitigation Workgroup team is part of the IONOS Cloud division, focusing on ensuring the security, stability, and performance of our cloud infrastructure.
The team consists of experienced cloud engineers, DevOps professionals, and site reliability engineers, working together to maintain and improve our cloud services.
The team works closely with other departments, such as product management, design, and customer support, to ensure our services meet business requirements and user needs.

Development Methodology:

Agile/Scrum methodologies are used for project management and software development.
Code reviews, testing, and quality assurance practices are essential for maintaining high code quality and service reliability.
Deployment strategies, CI/CD pipelines, and server management are crucial for efficient and reliable service delivery.

Company Website: IONOS Cloud

📝 Enhancement Note: IONOS fosters a collaborative and innovative work environment, encouraging employees to take ownership of their projects and contribute to the company's success. The company values diversity, inclusion, and work-life balance.

📈 Career & Growth Analysis

Web Technology Career Level: This role is suitable for a mid-senior level Golang and cloud engineer with at least 5 years of experience in cloud-native development and Kubernetes. The ideal candidate will have experience leading software projects and mentoring other developers.

Reporting Structure: The Staff Software Engineer reports directly to the Engineering Manager of the Mitigation Workgroup team. The team works closely with other departments, such as product management, design, and QA, to ensure services meet business requirements and user needs.

Technical Impact: The Staff Software Engineer plays a crucial role in designing, developing, and maintaining our cloud-native services, ensuring high performance, scalability, and reliability. They also lead and mentor other developers, fostering a culture of collaboration, knowledge sharing, and continuous improvement.

Growth Opportunities:

Technical Growth: Deepen your expertise in cloud-native development, Kubernetes, and related technologies. Explore emerging technologies and trends to stay up-to-date with the latest industry developments.
Leadership Development: Gain experience in leading software projects and mentoring other developers. Develop your leadership and management skills to take on more significant responsibilities within the team or the organization.
Architecture & Design: Expand your knowledge of cloud architecture and design patterns. Contribute to the development of our cloud infrastructure and help shape the future of our services.

📝 Enhancement Note: IONOS offers numerous opportunities for professional growth and development, both technically and in leadership roles. The company encourages employees to take on new challenges and expand their skillsets.

🌐 Work Environment

Office Type: IONOS offers modern, well-equipped offices with a collaborative and innovative work environment. The company fosters a culture of open communication, knowledge sharing, and continuous learning.

Office Location(s): IONOS has offices in various locations across Europe, with this role being based in Karlsruhe, Germany. The company also offers hybrid and remote work arrangements, allowing employees to work from home or other locations as needed.

Workspace Context:

Collaborative Workspace: The office features open-plan workspaces, encouraging collaboration and communication among team members.
Development Tools & Equipment: IONOS provides modern development tools, multiple monitors, and testing devices to ensure high productivity and code quality.
Cross-Functional Collaboration: The office layout facilitates interaction with other departments, such as product management, design, and customer support, fostering a culture of cross-functional collaboration.

Work Schedule: Full-time (40 hours/week), with flexible working hours and the possibility of remote work. The company offers a trust-based working time model, allowing employees to manage their time effectively.

📝 Enhancement Note: IONOS fosters a flexible and collaborative work environment, allowing employees to balance their work and personal lives effectively. The company offers modern offices, state-of-the-art equipment, and numerous benefits to attract and retain top talent.

📄 Application & Technical Interview Process

Interview Process:

Phone/Video Screen: A brief conversation to assess your technical skills, experience, and cultural fit.
Technical Challenge: A hands-on coding challenge or architecture design exercise to evaluate your problem-solving skills and technical expertise.
On-site Interview: A face-to-face meeting with the hiring manager, team members, and other stakeholders to discuss your technical skills, experience, and cultural fit. This may include a presentation of your portfolio or a technical deep dive into a relevant project.
Final Decision: The hiring team will review your application and interview performance to make a final decision.

Portfolio Review Tips:

Highlight your experience with Go, cloud-native development, and Kubernetes, including examples of services you've designed, developed, and maintained.
Showcase your leadership and mentoring skills, such as blog posts, talks, or open-source contributions.
Demonstrate your understanding of cloud architecture and design patterns, as well as your ability to work effectively in a dynamic, fast-paced environment.

Technical Challenge Preparation:

Brush up on your Go and Kubernetes knowledge, focusing on cloud-native development principles and best practices.
Familiarize yourself with IONOS Cloud services and infrastructure, paying particular attention to the Mitigation Workgroup team's responsibilities.
Prepare for architecture design exercises and coding challenges that may focus on system design, performance optimization, or error handling.

ATS Keywords: See the comprehensive list of web development and server administration-relevant keywords for resume optimization, organized by category: programming languages, web frameworks, server technologies, databases, tools, methodologies, soft skills, industry terms

📝 Enhancement Note: The interview process for this role is designed to assess your technical skills, experience, and cultural fit. IONOS values open communication and collaboration, so be prepared to discuss your thoughts and ideas on cloud-native development, Kubernetes, and related technologies.

🛠 Technology Stack & Web Infrastructure

Frontend Technologies: N/A (This role focuses on backend and cloud-native development)

Backend & Server Technologies:

Programming Languages: Go (Golang)
Cloud Platforms: IONOS Cloud, AWS, GCP, Azure
Containerization & Orchestration: Docker, Kubernetes
Infrastructure as Code (IaC): Terraform, CloudFormation
CI/CD Pipelines: Jenkins, GitLab CI/CD
Monitoring & Logging: Prometheus, Grafana, ELK Stack

Development & DevOps Tools:

Version Control: Git
Code Review: Gerrit, Phabricator
Project Management: JIRA, Confluence
Communication & Collaboration: Slack, Microsoft Teams

📝 Enhancement Note: IONOS uses a modern, cloud-native technology stack, focusing on containerization, orchestration, and infrastructure as code. The company values open-source technologies and contributes to various open-source projects.

👥 Team Culture & Values

Web Development Values:

Innovation: IONOS encourages employees to explore new technologies, tools, and methodologies to improve our cloud services and stay ahead of the competition.
Collaboration: The company fosters a culture of open communication, knowledge sharing, and cross-functional collaboration, ensuring our services meet business requirements and user needs.
Quality: IONOS is committed to delivering high-quality, reliable, and secure cloud services, ensuring our customers' satisfaction and trust.
Customer Focus: The company prioritizes understanding and addressing our customers' needs, ensuring our services meet their expectations and exceed their requirements.

Collaboration Style:

Cross-Functional Integration: IONOS encourages collaboration between different departments, such as product management, design, and customer support, to ensure our services meet business requirements and user needs.
Code Review Culture: The company values code reviews and pair programming, ensuring high code quality and knowledge sharing among team members.
Knowledge Sharing: IONOS fosters a culture of continuous learning and knowledge sharing, with regular training, workshops, and brown bag sessions.

📝 Enhancement Note: IONOS values open communication, collaboration, and continuous learning, fostering a culture of innovation, quality, and customer focus. The company encourages employees to take ownership of their projects and contribute to the company's success.

⚡ Challenges & Growth Opportunities

Technical Challenges:

Cloud-Native Development: Design, develop, and maintain cloud-native services using Go, ensuring high performance, scalability, and reliability.
Kubernetes Expertise: Develop and deploy custom Kubernetes controllers, extending the platform's functionality and capabilities.
Infrastructure as Code (IaC): Automate infrastructure provisioning and management using tools like Terraform and CloudFormation, ensuring consistency, version control, and efficient deployment.
CI/CD Pipeline Optimization: Improve our CI/CD pipelines, ensuring efficient and reliable deployment of services, with minimal downtime and maximal automation.

Learning & Development Opportunities:

Cloud-Native Development: Deepen your expertise in cloud-native development, Kubernetes, and related technologies. Explore emerging technologies and trends to stay up-to-date with the latest industry developments.
Leadership Development: Gain experience in leading software projects and mentoring other developers. Develop your leadership and management skills to take on more significant responsibilities within the team or the organization.
Architecture & Design: Expand your knowledge of cloud architecture and design patterns. Contribute to the development of our cloud infrastructure and help shape the future of our services.

📝 Enhancement Note: IONOS offers numerous opportunities for professional growth and development, both technically and in leadership roles. The company encourages employees to take on new challenges and expand their skillsets.

💡 Interview Preparation

Technical Questions:

Go (Golang) Fundamentals: Brush up on your Go knowledge, focusing on concurrency, error handling, and testing.
Kubernetes Architecture: Familiarize yourself with Kubernetes architecture, including pods, services, deployments, and custom controllers.
Cloud-Native Development: Review cloud-native development principles, best practices, and relevant design patterns.
System Design & Architecture: Prepare for architecture design exercises and coding challenges that may focus on system design, performance optimization, or error handling.

Company & Culture Questions:

IONOS Cloud Services: Familiarize yourself with IONOS Cloud services and infrastructure, paying particular attention to the Mitigation Workgroup team's responsibilities.
Cloud Architecture & Design: Review cloud architecture and design patterns, focusing on IONOS Cloud services and infrastructure.
IONOS Company Culture: Research IONOS's company culture, values, and mission, focusing on collaboration, innovation, and customer focus.

Portfolio Presentation Strategy:

Cloud-Native Service Examples: Highlight your experience with Go, cloud-native development, and Kubernetes, including examples of services you've designed, developed, and maintained.
Leadership & Mentoring: Showcase your leadership and mentoring skills, such as blog posts, talks, or open-source contributions.
Technical Deep Dive: Prepare for a technical deep dive into a relevant project, demonstrating your understanding of cloud architecture, design patterns, and best practices.

📝 Enhancement Note: The interview process for this role is designed to assess your technical skills, experience, and cultural fit. IONOS values open communication and collaboration, so be prepared to discuss your thoughts and ideas on cloud-native development, Kubernetes, and related technologies.

📌 Application Steps

To apply for this Staff Software Engineer (w/m/d) Golang - Mitigation-Work-Group, IONOS Cloud position:

Submit Your Application: Click the application link and provide the required information, including your resume, cover letter, and portfolio.
Prepare Your Portfolio: Tailor your portfolio to showcase your experience with Go, cloud-native development, and Kubernetes, including examples of services you've designed, developed, and maintained. Highlight your leadership and mentoring skills, such as blog posts, talks, or open-source contributions.
Optimize Your Resume: Tailor your resume to highlight your technical skills, experience, and qualifications relevant to this role. Include relevant keywords and phrases to improve your resume's visibility in applicant tracking systems (ATS).
Research IONOS: Familiarize yourself with IONOS Cloud services, infrastructure, and company culture. Prepare for interview questions related to cloud architecture, design patterns, and best practices, as well as IONOS-specific topics.
Prepare for Technical Challenges: Brush up on your Go and Kubernetes knowledge, focusing on cloud-native development principles and best practices. Familiarize yourself with IONOS Cloud services and infrastructure, paying particular attention to the Mitigation Workgroup team's responsibilities.

⚠️ 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.

Staff Software Engineer (w/m/d) Golang - Mitigation-Work-Group, IONOS Cloud