Software Engineer, Platform Engineering

Work Responsibilities

What you will do

• Design, develop, and maintain platform features and toolings that support the entire software development cycle from build, test to deployment and operation
• Support migration and adoption of new platform features and toolings
• Improve platform stability, scalability, availability and security with the SRE and Security teams
• Improve observability of services and the platform itself to reduce the incidents and control the overall cost
• Improve and automate daily platform operations and reduce toils
• Be an advocate of engineering best practices and communicate with internal developers to understand their needs

• Are passionate about improving developer productivity and experience
• Are passionate about building, operating and maintaining scalable infrastructures with operations automation
• Are neutral on the technology itself and can take pragmatic approaches to the issues
• Avoid reinventing the wheel and utilize the existing tooling and ecosystem as much as possible
• Have good communication and interpersonal skills

• Minimum 3 years of experience in developing, operating, and maintaining complex and scalable production systems, including cloud-based platforms.
• Strong computer science background with in-depth knowledge of major cloud computing platforms such as AWS, Azure, or GCP.
• Excellent written communication skills for documenting designs and collaborating with stakeholders.
• Proficiency in container management platforms like Kubernetes or Docker for production environments.
• Familiarity with network proxies like Envoy, HAProxy, or Nginx.
• Strong understanding of networking, especially OSI Layer 4 to 7: load balancers, proxies, API gateways, DNS, TLS, and HTTP protocol
• Hands-on experience in building tools/automation using scripting languages such as Bash, Go, or Python.
• Strong experience in implementing and managing infrastructure as code (IaC) solutions like Terraform.
• Ability to work collaboratively in a team and adapt to a dynamic environment.

• Experience in working with distributed systems or microservices architecture.
• Understanding of service level agreements (SLAs) and objectives for maintaining system performance and reliability.
• Familiarity with monitoring and observability technologies such as Datadog, Prometheus, Graphite, Grafana, Kibana, Elasticsearch.
• Previous experience in open-source software development or active participation in open-source communities.
• Experience in using service meshes in production, such as Istio, Kong or Linkerd.

• Mercari Engineering Portal
• Mercan - Introduces the people that make Mercari
• Mercari US Blog

• Development Platforms and Platformers: On Rising to the Global Standard Ken Wakasa, Mercari CTO | Mercan
• Developer Experience at Mercari
• Introducing Platform Infra Team at Mercari
• Introduction of the Network team
• Introducing Platform Infra Team at Mercari
• Blogs related to Infrastructure