Site Reliability Engineer - Observability at Wolt

📍 Job Overview

Job Title: Site Reliability Engineer - Observability
Company: Wolt
Location: Helsinki, Finland; Berlin, Germany; Stockholm, Sweden; Remote (Finland, Sweden, Germany, Denmark, Estonia)
Job Type: Full-time
Category: Site Reliability Engineering
Date Posted: 2025-06-17
Experience Level: Mid-level (2-5 years)
Remote Status: Remote OK

🚀 Role Summary

Key Web Technology Aspects: Develop and maintain scalable observability and reliability tooling, improve Wolt's overall system health, and collaborate with engineering teams to implement observability best practices.
Key Web Technology Aspects: Manage an Observability platform processing billions of metrics, traces, and log entries monthly, supporting all Wolt engineers in monitoring and improving the health of their services.
Key Web Technology Aspects: Collaborate with DoorDash to build the next-generation observability platform, enhancing visibility, scalability, and operational efficiency across both organizations.
Key Web Technology Aspects: Design, develop, and maintain scalable software solutions and tooling to improve observability and reliability across Wolt’s services, with a focus on empowering teams to monitor and debug effectively.

📝 Enhancement Note: This role requires a strong foundation in software engineering and exposure to Site Reliability Engineering (SRE) practices. Candidates should be comfortable working in large-scale, distributed environments and have expertise in Kubernetes, container orchestration, and resolving issues in complex cloud-native systems.

💻 Primary Responsibilities

Web Technology Responsibility: Design and develop scalable software solutions and tooling to improve observability and reliability across Wolt’s services, with a focus on empowering teams to monitor and debug effectively.
Web Technology Responsibility: Contribute to initiatives focused on architecting, building, and maintaining the observability stack to efficiently handle increasing telemetry data with greater reliability.
Web Technology Responsibility: Take ownership of key initiatives to improve the quality, efficiency, and reliability of the observability stack.
Web Technology Responsibility: Contribute to and advocate for SRE principles to improve system availability, performance, and efficiency, ensuring that reliability is embedded across all layers of Wolt's services.
Web Technology Responsibility: Build and own tooling and frameworks that enable teams to improve reliability, optimize system performance, and manage incidents more effectively.
Web Technology Responsibility: Collaborate closely with engineering teams to implement observability best practices, integrate reliability tooling, and resolve complex production issues.
Web Technology Responsibility: Participate in on-call rotations, drive root cause analysis, and build automated detection and resolution tools to reduce mean time to recovery (MTTR) in the purview of the observability domain and systems.
Web Technology Responsibility: Document and share knowledge through guides, playbooks, and training sessions, while continuously improving the developer experience with self-service tooling and best practices.

📝 Enhancement Note: This role requires strong troubleshooting and problem-solving skills in complex systems, as well as excellent collaboration and communication skills. Candidates should be comfortable working in large-scale, distributed environments and have expertise in Kubernetes, container orchestration, and resolving issues in complex cloud-native systems.

🎓 Skills & Qualifications

Education: A bachelor's degree in Computer Science, Engineering, or a related field. Alternatively, equivalent practical experience in software development and observability.

Experience: Proven experience (2-5 years) in software engineering, with a focus on building and maintaining observability platforms at scale.

Required Skills:

Strong foundation in software engineering, with experience designing and building distributed systems.
Proficiency in Go (preferred) or Python, with a focus on building automation and developer tooling.
Experience with building and maintaining observability platforms at scale based on open-source tools such as Prometheus, Grafana, Elasticsearch, or similar.
Solid understanding of modern observability frameworks, such as OpenTelemetry (OTeL), which forms the foundation of Wolt's next-generation observability platform and future strategy.
Solid understanding of SRE principles, including incident response, fault-tolerant architecture, and service-level objectives (SLIs/SLOs).
Comfortable working in large-scale, distributed environments, with expertise in Kubernetes, container orchestration, and resolving issues in complex cloud-native systems.
Familiarity with cloud platforms (AWS preferred, GCP, or Azure).
Strong troubleshooting and problem-solving skills in complex systems.
Excellent collaboration and communication skills.

Preferred Skills:

Hands-on experience with OpenTelemetry and modern observability frameworks at scale.
Experience with large-scale distributed databases and/or event streaming platforms such as Kafka, ClickHouse.
Contributions to open-source projects in observability or platform engineering, especially to CNCF.

📝 Enhancement Note: While not required, having hands-on experience with OpenTelemetry and modern observability frameworks at scale, as well as experience with large-scale distributed databases and/or event streaming platforms, would be highly beneficial for this role. Additionally, contributions to open-source projects in observability or platform engineering, especially to CNCF, would demonstrate a strong commitment to staying current with the latest trends and best practices in the field.

📊 Web Portfolio & Project Requirements

Portfolio Essentials:

A portfolio showcasing your experience in building and maintaining observability platforms at scale, with a focus on improving system reliability and performance.
Examples of your work in designing and developing scalable software solutions and tooling to improve observability and reliability across services.
Demonstrations of your ability to collaborate with engineering teams to implement observability best practices and resolve complex production issues.
Evidence of your experience in driving root cause analysis and building automated detection and resolution tools to reduce mean time to recovery (MTTR).

Technical Documentation:

Documentation outlining your approach to observability and reliability, including your understanding of SRE principles and incident response processes.
Case studies detailing your experience in architecting, building, and maintaining observability stacks to efficiently handle increasing telemetry data with greater reliability.
Examples of your contributions to open-source projects in observability or platform engineering, especially to CNCF.

📝 Enhancement Note: Given the technical nature of this role, a strong portfolio demonstrating your experience in building and maintaining observability platforms at scale, as well as your ability to collaborate with engineering teams to improve system reliability and performance, will be crucial for success. Additionally, providing evidence of your experience in driving root cause analysis and building automated detection and resolution tools will help showcase your problem-solving skills and commitment to improving system reliability.

💵 Compensation & Benefits

Salary Range: €65,000 - €90,000 per year (based on experience and location)

Benefits:

Competitive salary and equity packages.
Comprehensive health insurance and wellness benefits.
Flexible work arrangements, including remote work options.
Relocation support for international candidates.
Access to learning and development opportunities, including conference attendance, certification, and community involvement.
A dynamic and international work environment with a strong focus on diversity, inclusion, and work-life balance.

Working Hours: Full-time (40 hours per week), with flexible working hours and the option to work remotely.

📝 Enhancement Note: The salary range for this role is based on market research for mid-level Site Reliability Engineering positions in Finland, Germany, and Sweden. The actual salary may vary depending on the candidate's experience, skills, and location. Wolt offers a competitive benefits package, including comprehensive health insurance, wellness benefits, flexible work arrangements, relocation support, and access to learning and development opportunities.

🎯 Team & Company Context

🏢 Company Culture

Industry: Technology, with a focus on food delivery and logistics.

Company Size: Medium to large (500+ employees), with a strong presence in over 500 cities across 30 countries.

Founded: 2014, with headquarters in Helsinki, Finland.

Team Structure:

The Observability Engineering Team is part of Wolt's Core Group, dedicated to managing specialized teams within the organization.
The team is responsible for ensuring visibility, reliability, and performance across Wolt’s services and infrastructure at scale.
The team collaborates closely with engineering teams to implement observability best practices, integrate reliability tooling, and resolve complex production issues.

Development Methodology:

Wolt follows Agile methodologies, with a focus on continuous integration, continuous deployment, and iterative development.
The Observability Engineering Team works closely with other teams to ensure that observability and reliability are embedded in all layers of Wolt's services.
The team maintains a robust ecosystem covering application instrumentation, telemetry data collection, visualization, and alerting.

Company Website: Wolt

📝 Enhancement Note: Wolt is a rapidly growing technology company with a strong focus on innovation, collaboration, and continuous improvement. The Observability Engineering Team plays a crucial role in ensuring the reliability, performance, and scalability of Wolt's services and infrastructure at scale. The team works closely with other teams to embed observability and reliability in all layers of Wolt's services, contributing to the company's overall success and growth.

📈 Career & Growth Analysis

Web Technology Career Level: Mid-level Site Reliability Engineer, with a focus on observability and reliability.

Reporting Structure: The Observability Engineering Team reports directly to the Core Group, with close collaboration with other engineering teams.

Technical Impact: The Observability Engineering Team has a significant impact on Wolt's overall system health, reliability, and performance. The team's work ensures that all Wolt engineers have the tools and insights they need to monitor and improve the health of their services.

Growth Opportunities:

Growth Opportunity 1: As Wolt continues to expand its services and infrastructure, there will be opportunities for the Observability Engineering Team to grow and take on more complex challenges. Mid-level engineers in this role can expect to advance to senior roles within the team or take on leadership responsibilities.
Growth Opportunity 2: With Wolt's collaboration with DoorDash, there will be opportunities for engineers to work on cutting-edge observability projects and contribute to the development of the next-generation observability platform. This could involve working on emerging technologies and contributing to open-source projects.
Growth Opportunity 3: As Wolt's technology stack evolves, there will be opportunities for engineers to specialize in specific areas, such as large-scale distributed databases, event streaming platforms, or emerging observability frameworks. This could involve taking on technical leadership roles or becoming subject matter experts in their respective fields.

📝 Enhancement Note: The Observability Engineering Team at Wolt offers significant opportunities for career growth and development. Mid-level engineers in this role can expect to advance to senior roles within the team or take on leadership responsibilities as the company continues to expand its services and infrastructure. Additionally, with Wolt's collaboration with DoorDash, there will be opportunities for engineers to work on cutting-edge observability projects and contribute to the development of the next-generation observability platform. As Wolt's technology stack evolves, there will be opportunities for engineers to specialize in specific areas and take on technical leadership roles or become subject matter experts in their respective fields.

🌐 Work Environment

Office Type: Wolt's offices are modern, collaborative workspaces designed to foster innovation and creativity. The company offers a hybrid work model, with the option to work remotely or from one of Wolt's tech hubs in Helsinki, Berlin, or Stockholm.

Office Location(s): Wolt's tech hubs are located in Helsinki, Finland; Berlin, Germany; and Stockholm, Sweden. The company also offers remote work options for candidates based in Finland, Sweden, Germany, Denmark, and Estonia.

Workspace Context:

Wolt's offices are equipped with state-of-the-art technology, including multiple monitors, testing devices, and collaboration tools.
The Observability Engineering Team works closely with other engineering teams, fostering a culture of collaboration and knowledge sharing.
Wolt's offices are designed to be comfortable and flexible, with plenty of space for team members to work, meet, and relax.

Work Schedule: Wolt offers flexible working hours, with the option to work remotely or from one of the company's tech hubs. The company also provides on-call rotations and maintenance windows, ensuring that the Observability Engineering Team is available to drive root cause analysis and build automated detection and resolution tools to reduce mean time to recovery (MTTR) in the purview of the observability domain and systems.

📝 Enhancement Note: Wolt's modern, collaborative workspaces are designed to foster innovation and creativity, with a strong focus on collaboration and knowledge sharing. The Observability Engineering Team works closely with other engineering teams, ensuring that observability and reliability are embedded in all layers of Wolt's services. Wolt offers flexible working hours and the option to work remotely or from one of the company's tech hubs, with on-call rotations and maintenance windows to ensure that the Observability Engineering Team is available to drive root cause analysis and build automated detection and resolution tools to reduce mean time to recovery (MTTR) in the purview of the observability domain and systems.

📄 Application & Technical Interview Process

Interview Process:

Process Step 1: Technical preparation recommendations and coding/configuration assessment focus, with a focus on problem-solving skills and familiarity with observability best practices.
Process Step 2: Web architecture expectations and system design discussion, with a focus on understanding the candidate's approach to designing and building scalable software solutions and tooling.
Process Step 3: Web development team interaction and cultural fit assessment, with a focus on the candidate's ability to collaborate effectively with other engineering teams.
Process Step 4: Final evaluation criteria and technical impact discussion, with a focus on the candidate's understanding of SRE principles and incident response processes.

Portfolio Review Tips:

Portfolio Tip 1: Highlight your experience in building and maintaining observability platforms at scale, with a focus on improving system reliability and performance.
Portfolio Tip 2: Showcase your ability to collaborate with engineering teams to implement observability best practices and resolve complex production issues.
Portfolio Tip 3: Demonstrate your experience in driving root cause analysis and building automated detection and resolution tools to reduce mean time to recovery (MTTR).
Portfolio Tip 4: Provide evidence of your contributions to open-source projects in observability or platform engineering, especially to CNCF, to showcase your commitment to staying current with the latest trends and best practices in the field.

Technical Challenge Preparation:

Challenge Preparation 1: Familiarize yourself with Wolt's technology stack, including the observability platforms and tools used by the company.
Challenge Preparation 2: Brush up on your problem-solving skills and be prepared to discuss your approach to designing and building scalable software solutions and tooling.
Challenge Preparation 3: Prepare for a system design discussion, focusing on your understanding of web architecture and observability best practices.
Challenge Preparation 4: Be ready to discuss your experience with SRE principles and incident response processes, as well as your ability to collaborate effectively with other engineering teams.

ATS Keywords: [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 the Site Reliability Engineer - Observability role at Wolt involves a technical preparation recommendations and coding/configuration assessment focus, with a focus on problem-solving skills and familiarity with observability best practices. The process also includes a web architecture expectations and system design discussion, as well as a final evaluation criteria and technical impact discussion. Candidates should highlight their experience in building and maintaining observability platforms at scale, with a focus on improving system reliability and performance, and be prepared to discuss their approach to designing and building scalable software solutions and tooling. Additionally, candidates should provide evidence of their contributions to open-source projects in observability or platform engineering, especially to CNCF, to showcase their commitment to staying current with the latest trends and best practices in the field.

🛠 Technology Stack & Web Infrastructure

Frontend Technologies: Not applicable to this role.

Backend & Server Technologies:

Backend Technology 1: Go (preferred) or Python, with a focus on building automation and developer tooling.
Server Technology 2: Kubernetes, with expertise in container orchestration and resolving issues in complex cloud-native systems.
Infrastructure Tool 3: Cloud platforms (AWS preferred, GCP, or Azure), with familiarity with cloud-native systems and large-scale distributed environments.

Development & DevOps Tools:

Development Tool 1: Version control systems, such as Git, with a focus on collaborative development and best practices.
DevOps Tool 2: CI/CD pipelines and automated deployment tools, such as Jenkins, GitHub Actions, or CircleCI.
Monitoring Tool 3: Observability platforms and tools, such as Prometheus, Grafana, Elasticsearch, or similar, with a focus on application instrumentation, telemetry data collection, visualization, and alerting.

📝 Enhancement Note: The Site Reliability Engineer - Observability role at Wolt requires proficiency in Go (preferred) or Python, with a focus on building automation and developer tooling. The role also requires expertise in Kubernetes, container orchestration, and resolving issues in complex cloud-native systems, as well as familiarity with cloud platforms (AWS preferred, GCP, or Azure). Additionally, the role involves working with observability platforms and tools, such as Prometheus, Grafana, Elasticsearch, or similar, with a focus on application instrumentation, telemetry data collection, visualization, and alerting.

👥 Team Culture & Values

Web Development Values:

Web Development Value 1: A strong focus on collaboration and knowledge sharing, with a commitment to embedding observability and reliability in all layers of Wolt's services.
Web Development Value 2: A commitment to staying current with the latest trends and best practices in observability and reliability, with a focus on continuous learning and improvement.
Web Development Value 3: A strong commitment to driving root cause analysis and building automated detection and resolution tools to reduce mean time to recovery (MTTR) in the purview of the observability domain and systems.
Web Development Value 4: A focus on user experience and user impact, with a commitment to ensuring that Wolt's services are reliable, performant, and scalable.

Collaboration Style:

Collaboration Approach 1: Cross-functional integration between developers, designers, and stakeholders, with a focus on embedding observability and reliability in all layers of Wolt's services.
Collaboration Approach 2: A culture of code review and peer programming, with a focus on knowledge sharing and continuous learning.
Collaboration Approach 3: A commitment to mentoring and technical leadership, with a focus on driving root cause analysis and building automated detection and resolution tools to reduce mean time to recovery (MTTR) in the purview of the observability domain and systems.

📝 Enhancement Note: The Observability Engineering Team at Wolt is committed to embedding observability and reliability in all layers of the company's services, with a strong focus on collaboration and knowledge sharing. The team values staying current with the latest trends and best practices in observability and reliability, with a commitment to continuous learning and improvement. Additionally, the team is dedicated to driving root cause analysis and building automated detection and resolution tools to reduce mean time to recovery (MTTR) in the purview of the observability domain and systems, with a focus on user experience and user impact.

⚡ Challenges & Growth Opportunities

Technical Challenges:

Web Development Challenge 1: Designing and building scalable software solutions and tooling to improve observability and reliability across Wolt’s services, with a focus on empowering teams to monitor and debug effectively.
Web Development Challenge 2: Contributing to initiatives focused on architecting, building, and maintaining the observability stack to efficiently handle increasing telemetry data with greater reliability.
Web Development Challenge 3: Taking ownership of key initiatives to improve the quality, efficiency, and reliability of the observability stack.
Web Development Challenge 4: Contributing to and advocating for SRE principles to improve system availability, performance, and efficiency, ensuring that reliability is embedded across all layers of Wolt's services.

Learning & Development Opportunities:

Learning Opportunity 1: Web technology skill advancement and specialization paths, with a focus on emerging observability frameworks and large-scale distributed databases.
Learning Opportunity 2: Conference attendance, certification, and community involvement, with a focus on staying current with the latest trends and best practices in observability and reliability.
Learning Opportunity 3: Technical mentorship, leadership development, and architecture decision-making, with a focus on driving root cause analysis and building automated detection and resolution tools to reduce mean time to recovery (MTTR) in the purview of the observability domain and systems.

📝 Enhancement Note: The Site Reliability Engineer - Observability role at Wolt presents significant technical challenges, including designing and building scalable software solutions and tooling to improve observability and reliability across the company's services. Additionally, the role involves contributing to initiatives focused on architecting, building, and maintaining the observability stack to efficiently handle increasing telemetry data with greater reliability. The role also requires contributing to and advocating for SRE principles to improve system availability, performance, and efficiency, ensuring that reliability is embedded across all layers of Wolt's services. To support these challenges, Wolt offers learning and development opportunities, including web technology skill advancement and specialization paths, conference attendance, certification, and community involvement, as well as technical mentorship, leadership development, and architecture decision-making.

💡 Interview Preparation

Technical Questions:

Technical Question 1: Problem-solving questions focused on your experience in building and maintaining observability platforms at scale, with a focus on improving system reliability and performance.
Technical Question 2: System design questions focused on your approach to designing and building scalable software solutions and tooling, with a focus on observability best practices.
Technical Question 3: Questions focused on your experience with SRE principles and incident response processes, as well as your ability to collaborate effectively with other engineering teams.

Company & Culture Questions:

Technical Question 4: Questions focused on your understanding of Wolt's technology stack and your ability to integrate observability best practices into the company's services and infrastructure.
Technical Question 5: Questions focused on your approach to driving root cause analysis and building automated detection and resolution tools to reduce mean time to recovery (MTTR) in the purview of the observability domain and systems.
Technical Question 6: Questions focused on your commitment to staying current with the latest trends and best practices in observability and reliability, as well as your ability to collaborate effectively with other engineering teams.

Portfolio Presentation Strategy:

Presentation Strategy 1: Highlight your experience in building and maintaining observability platforms at scale, with a focus on improving system reliability and performance.
Presentation Strategy 2: Showcase your ability to collaborate with engineering teams to implement observability best practices and resolve complex production issues.
Presentation Strategy 3: Demonstrate your experience in driving root cause analysis and building automated detection and resolution tools to reduce mean time to recovery (MTTR).
Presentation Strategy 4: Provide evidence of your contributions to open-source projects in observability or platform engineering, especially to CNCF, to showcase your commitment to staying current with the latest trends and best practices in the field.

📝 Enhancement Note: The interview process for the Site Reliability Engineer - Observability role at Wolt involves a combination of technical questions focused on problem-solving, system design, SRE principles, and incident response processes, as well as company and culture questions focused on the candidate's understanding of Wolt's technology stack and their ability to integrate observability best practices into the company's services and infrastructure. Additionally, the interview process includes a portfolio presentation strategy, with a focus on highlighting the candidate's experience in building and maintaining observability platforms at scale, their ability to collaborate with engineering teams, and their commitment to staying current with the latest trends and best practices in the field.

📌 Application Steps

To apply for this Site Reliability Engineer - Observability position at Wolt:

Submit your application through the application link provided in the job listing.
Customize your portfolio with live demos and responsive examples, highlighting your experience in building and maintaining observability platforms at scale, with a focus on improving system reliability and performance.
Optimize your resume for web technology roles, with a focus on project highlighting and technical skills emphasis, including your experience with observability platforms, SRE principles, and incident response processes.
Prepare for technical interview challenges, focusing on problem-solving, system design, and your approach to driving root cause analysis and building automated detection and resolution tools to reduce mean time to recovery (MTTR).
Research Wolt's technology stack and company culture, with a focus on understanding the company's commitment to embedding observability and reliability in all layers of its services.

⚠️ 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.

Site Reliability Engineer - Observability