📍 Job Overview

Job Title: Senior Site Reliability Engineer
Company: SMG Swiss Marketplace Group
Location: Belgrade, Serbia
Job Type: Full-time, Hybrid
Category: DevOps, Infrastructure
Date Posted: June 13, 2025
Experience Level: 5-10 years
Remote Status: On-site/Hybrid

🚀 Role Summary

Lead infrastructure architecture and maintenance for multiple platforms using Terraform and Kubernetes
Develop internal tooling to streamline software engineer workflows and enhance product evolution
Enable Engineering teams through a DevOps approach, facilitating product improvements
Stay current with tech trends and leverage them to enhance products
Monitor and optimize performance for a smooth user experience and cost efficiency

📝 Enhancement Note: This role requires a strong background in infrastructure as code, containerization, and cloud services to ensure high availability, scalability, and security for SMG's marketplaces.

💻 Primary Responsibilities

Infrastructure Architecture & Maintenance:
- Design and maintain infrastructure for multiple platforms using Terraform and Kubernetes
- Ensure high availability, scalability, and security through robust infrastructure design
Internal Tooling Development:
- Create tools to streamline software engineer workflows and enhance product evolution
- Improve CI/CD pipelines for fast, reliable delivery
DevOps Enablement:
- Collaborate with Engineering teams to facilitate product improvements
- Promote a DevOps culture and best practices across teams
Performance Monitoring & Optimization:
- Monitor and optimize performance for a smooth user experience and cost efficiency
- Utilize observability tools like Prometheus, Tempo, and Loki for performance tracking

🎓 Skills & Qualifications

Education: Bachelor's degree in Computer Science, Engineering, or a related field. Relevant experience may substitute for a degree.

Experience: Proven experience (5-10 years) in Site Reliability Engineering, DevOps, or a similar role.

Required Skills:

Proficiency in Go development
Strong Kubernetes experience
Familiarity with cloud providers (GCP, AWS, or others)
Knowledge of Istio for service mesh management
Experience with observability tools (Prometheus, Tempo, Loki)
Proficiency in infrastructure as code with Terraform
Experience with CI/CD pipelines (CircleCI, Github Actions)
Familiarity with Cloudflare for performance and security optimization

Preferred Skills:

Experience with Mimir, Cortex, or other Prometheus-based solutions
Familiarity with Helm for Kubernetes package management
Knowledge of Grafana for data visualization

📝 Enhancement Note: While proficiency in all areas is not expected, a strong background in infrastructure as code, containerization, and cloud services is essential for this role.

📊 Web Portfolio & Project Requirements

Portfolio Essentials:

Demonstrate experience in infrastructure as code, containerization, and cloud services through past projects
Showcase performance monitoring and optimization skills with relevant case studies
Highlight any internal tooling development or CI/CD pipeline improvement projects

Technical Documentation:

Document code quality, commenting, and version control strategies
Explain deployment processes, server configuration, and performance optimization techniques
Include testing methodologies, performance metrics, and optimization strategies

💵 Compensation & Benefits

Salary Range: The salary range for this role in Belgrade, Serbia is typically between 150,000 - 250,000 RSD (approx. 1,300 - 2,200 EUR) per year, depending on experience and qualifications. This estimate is based on regional market research and industry standards for senior DevOps and Site Reliability Engineering roles.

Benefits:

Hybrid work environment
25 vacation days, with the option to buy an additional 10 days
5 fully paid sick days and 5 days for special occasions
Team activities and perks
Competitive salary and fringe benefits (gym membership, discounts at local stores)
International team and working environment
Yearly budget for personal development

Working Hours: Full-time, with flexible hours for deployment windows, maintenance, and project deadlines.

📝 Enhancement Note: The salary range provided is an estimate based on regional market research and may vary depending on the candidate's qualifications and experience.

🎯 Team & Company Context

🏢 Company Culture

Industry: SMG Swiss Marketplace Group operates in the digital marketplaces sector, focusing on real estate, automotive, general marketplaces, and finance & insurance.

Company Size: SMG is a well-established Swiss-based subsidiary in Belgrade, with a team of talented and fun professionals.

Founded: November 2021, through the merger of Scout24 Switzerland and TX Markets.

Team Structure:

The Engineering team consists of software engineers, QA engineers, and DevOps/Site Reliability Engineers
The team follows Agile methodologies, with sprint planning for web projects
Cross-functional collaboration occurs with design, marketing, and business teams

Development Methodology:

Agile/Scrum methodologies with sprint planning for web projects
Code review, testing, and quality assurance practices
Deployment strategies, CI/CD pipelines, and server management

Company Website: SMG Swiss Marketplace Group

📝 Enhancement Note: SMG values work-life balance and employee happiness, as reflected in their benefits package and company culture.

📈 Career & Growth Analysis

Web Technology Career Level: This role is at the senior level, with a focus on infrastructure architecture, maintenance, and optimization. The Senior Site Reliability Engineer will have a significant impact on the performance, availability, and scalability of SMG's marketplaces.

Reporting Structure: The Senior Site Reliability Engineer will report directly to the Head of Engineering and collaborate closely with the Engineering team.

Technical Impact: This role will have a direct impact on the performance, availability, and security of SMG's marketplaces, ensuring a smooth user experience and optimized costs.

Growth Opportunities:

Technical leadership and mentoring opportunities within the Engineering team
Potential to expand the role's scope based on the company's growth and evolution
Opportunities to work on emerging technologies and contribute to the company's innovation strategy

📝 Enhancement Note: This role offers significant growth potential, as SMG is a dynamic and expanding company with a strong focus on innovation and employee development.

🌐 Work Environment

Office Type: SMG's office in Belgrade is a collaborative, international workspace with a diverse team of talented professionals.

Office Location(s): Milutina Milankovića 1i, Belgrade, Serbia

Workspace Context:

Collaborative workspace with multiple monitors and testing devices available
Cross-functional collaboration with design, marketing, and business teams
Flexible working hours with deployment windows, maintenance, and project deadlines

Work Schedule: Full-time, with flexible hours for deployment windows, maintenance, and project deadlines.

📝 Enhancement Note: SMG's work environment is designed to foster collaboration, innovation, and work-life balance, with a focus on employee happiness and well-being.

📄 Application & Technical Interview Process

Interview Process:

Technical Assessment: A hands-on technical assessment focusing on infrastructure as code, containerization, and cloud services
Cultural Fit Interview: A conversation with the hiring manager to discuss the role, team dynamics, and company culture
Final Evaluation: A discussion with the Engineering team to assess the candidate's fit and technical impact

Portfolio Review Tips:

Highlight past projects demonstrating infrastructure as code, containerization, and cloud services experience
Showcase performance monitoring and optimization skills with relevant case studies
Include any internal tooling development or CI/CD pipeline improvement projects

Technical Challenge Preparation:

Brush up on Go development, Kubernetes, and cloud services (GCP, AWS)
Familiarize yourself with observability tools (Prometheus, Tempo, Loki)
Prepare for questions about infrastructure as code, performance optimization, and system design

ATS Keywords: See the comprehensive list of web development and server administration-relevant keywords for resume optimization, organized by category, at the end of this document.

📝 Enhancement Note: SMG's interview process is designed to assess the candidate's technical skills, cultural fit, and potential impact on the company's marketplaces and engineering teams.

🛠 Technology Stack & Web Infrastructure

Infrastructure as Code:

Terraform (primary)
CloudFormation, Azure Resource Manager (secondary)

Containerization & Orchestration:

Kubernetes (primary)
Docker, Amazon ECS/EKS (secondary)

Cloud Providers:

Google Cloud Platform (primary)
Amazon Web Services, Microsoft Azure (secondary)

Observability Tools:

Prometheus (primary)
Mimir, Cortex, Grafana (secondary)

CI/CD Pipelines:

CircleCI, GitHub Actions (primary)
Jenkins, GitLab CI/CD (secondary)

Monitoring & Logging:

Loki (primary)
ELK Stack, Datadog, New Relic (secondary)

Web Server & Reverse Proxy:

Nginx (primary)
Apache, HAProxy (secondary)

📝 Enhancement Note: SMG's technology stack is designed to ensure high availability, scalability, and security for their marketplaces, with a focus on infrastructure as code and containerization.

👥 Team Culture & Values

Web Development Values:

User-centric: Focus on providing a smooth user experience and optimizing costs
Innovation-driven: Stay current with tech trends and leverage them to enhance products
Collaborative: Work closely with Engineering teams to facilitate product improvements
Performance-focused: Monitor and optimize performance for a smooth user experience and cost efficiency

Collaboration Style:

Cross-functional: Collaborate with design, marketing, and business teams to improve products
Agile: Follow Agile methodologies, with sprint planning for web projects
Knowledge-sharing: Encourage technical mentoring and continuous learning

📝 Enhancement Note: SMG's web development culture is focused on collaboration, innovation, and user-centric design, with a strong emphasis on performance optimization and continuous learning.

⚡ Challenges & Growth Opportunities

Technical Challenges:

Ensuring high availability, scalability, and security for multiple platforms
Optimizing performance for a smooth user experience and cost efficiency
Staying current with tech trends and leveraging them to enhance products

Learning & Development Opportunities:

Expanding knowledge of emerging technologies and their application to SMG's marketplaces
Gaining experience in technical leadership and mentoring within the Engineering team
Contributing to the company's innovation strategy and growth

📝 Enhancement Note: SMG's technical challenges and growth opportunities are closely tied to the company's expansion and innovation strategy, with a focus on leveraging emerging technologies to enhance products and improve user experience.

💡 Interview Preparation

Technical Questions:

Infrastructure as Code: How do you approach infrastructure as code, and what tools have you used? (Terraform, CloudFormation, etc.)
Containerization & Orchestration: Can you discuss your experience with Kubernetes and other containerization technologies? How have you ensured high availability and scalability in the past?
Cloud Services: How have you worked with cloud providers like GCP, AWS, or Azure? What are some best practices you've implemented to ensure security and cost efficiency?
Performance Monitoring & Optimization: Can you describe your experience with observability tools like Prometheus, Tempo, and Loki? How have you used them to optimize performance and user experience?

Company & Culture Questions:

Company Culture: How do you see yourself contributing to SMG's company culture and values?
Team Dynamics: How do you approach collaboration and knowledge-sharing within a team? Can you provide an example from a past project?
Innovation & Growth: How do you stay current with tech trends, and how have you leveraged them to enhance products in the past?

Portfolio Presentation Strategy:

Project Case Studies: Prepare case studies demonstrating your experience in infrastructure as code, containerization, and cloud services
Technical Deep Dive: Be prepared to discuss the technical details of your past projects, including architecture decisions and performance optimizations
User-centric Focus: Highlight any projects where you've optimized user experience and cost efficiency through performance monitoring and optimization

📝 Enhancement Note: SMG's interview process is designed to assess the candidate's technical skills, cultural fit, and potential impact on the company's marketplaces and engineering teams, with a focus on infrastructure as code, containerization, and cloud services.

📌 Application Steps

To apply for this Senior Site Reliability Engineer position:

Resume Optimization: Tailor your resume to highlight your experience in infrastructure as code, containerization, and cloud services. Include relevant keywords and project examples.
Portfolio Preparation: Prepare a portfolio showcasing your experience in infrastructure as code, containerization, and cloud services. Include case studies demonstrating performance monitoring and optimization skills.
Technical Interview Preparation: Brush up on your technical skills in infrastructure as code, containerization, and cloud services. Prepare for questions about performance optimization, system design, and company culture.
Company Research: Research SMG's company culture, values, and marketplaces. Be prepared to discuss how you can contribute to the company's growth and innovation strategy.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and web development industry-standard assumptions. All details should be verified directly with SMG Swiss Marketplace Group before making application decisions.

Content Guidelines (IMPORTANT: Do not include this in the output)

Web Technology-Specific Focus:

Tailor every section specifically to DevOps, Site Reliability Engineering, and infrastructure roles
Include web technology methodologies, containerization, and cloud services
Emphasize infrastructure as code, performance monitoring, and optimization
Address web development team dynamics, cross-functional collaboration with design and marketing teams
Focus on web technology career progression, emerging technologies, and technical specialization

Quality Standards:

Ensure no content overlap between sections - each section must contain unique information
Only include Enhancement Notes when making significant inferences about web technology industry standards, company information, or role requirements
Be comprehensive but concise, prioritizing actionable information over descriptive text
Strategically distribute web development and server administration-related keywords throughout all sections naturally
Provide realistic salary ranges based on location, experience level, and web technology specialization

Industry Expertise:

Include specific web technologies, frameworks, server platforms, and infrastructure tools relevant to the role
Address web technology career progression paths and technical leadership opportunities in DevOps and Site Reliability Engineering roles
Provide tactical advice for portfolio development, live demonstrations, and project case studies
Include web technology-specific interview preparation and coding challenge guidance
Emphasize performance optimization, accessibility standards, and user experience principles

Professional Standards:

Maintain consistent formatting, spacing, and professional tone throughout
Use web technology and infrastructure industry terminology appropriately and accurately
Include comprehensive benefits and growth opportunities relevant to DevOps and Site Reliability Engineering professionals
Provide actionable insights that give web technology candidates a competitive advantage
Focus on web technology team culture, cross-functional collaboration, and user impact measurement

Technical Focus & Portfolio Emphasis:

Emphasize infrastructure as code, containerization, and cloud services best practices
Include specific portfolio requirements tailored to the DevOps and Site Reliability Engineering discipline and role level
Address performance optimization, accessibility standards, and user experience design principles
Focus on problem-solving methods, performance optimization, and scalable architecture
Include technical presentation skills and stakeholder communication for infrastructure projects

Avoid:

Generic business jargon not relevant to DevOps, Site Reliability Engineering, or infrastructure roles
Placeholder text or incomplete sections
Repetitive content across different sections
Non-technical terminology unless relevant to the specific DevOps or Site Reliability Engineering role
Marketing language unrelated to web development, server administration, or user experience

Generate comprehensive, web technology-focused content that serves as a valuable resource for DevOps, Site Reliability Engineering, and infrastructure professionals seeking their next opportunity and preparing for technical interviews in the web development industry.

Senior Site Reliability Engineer