Job Description

Mercari is a Japan-based C2C marketplace company founded in 2013 with the mission to \'Create value in a global marketplace where anyone can buy & sell.\' From being the first tech unicorn from Japan before its IPO in 2018 we have come a long way towards becoming a global player and continuously and diligently work towards our transformation journey with a strong focus on our mission. Since its inception, Mercari Group has worked to grow its services, investing in both our people and technology. Over time Mercari has expanded from being the top player in the C2C marketplace in Japan to new geographies like the U.S. We have also successfully launched new businesses such as Merpay, which is a mobile payment service platform with a vision to create a society where anyone can realize their dreams through a new ecosystem centered not only on payment service but also on credit. Today, Mercari Group is made up of multiple subsidiary businesses including logistics, B2C platform, blockchain, and sports team management. For our services to be utilized by people worldwide; however, there is still a mountain of work ahead of us. This endeavor naturally requires the capability of the best talent and minds, and that is exactly the reason for us to launch the India Center of Excellence. With your help, we will continue to take on the world stage and strive to grow into a successful global tech company. Our Culture To achieve our mission at Mercari, our organisation and each of our employees share the same values and perspectives. Our individual guidelines for action are defined by our three values: Go Bold, All for One, and Be a Pro. Our organisation is also shaped by our four foundations: Sustainability, Diversity & Inclusion, Trust & Openness, and Well-being for Performance. Regardless of how big Mercari gets, the culture will remain essential to achieving our mission and something we want to preserve throughout our organization. We invite you to read the \'Mercari Culture Doc,\' which summarizes the behaviours and mindset shared by Mercari and its employees. We continue to build an environment where all of our members of diverse backgrounds are accepted and recognized, and where they can thrive while holding dear to Mercari\'s culture. Position Overview: Team The Platform Engineering teams are responsible for helping engineers at Mercari and its subsidiaries to build and deliver better products to our customers. We provide infrastructure and DevOps toolchains to increase the reliability, security and observability of the service to make the work of engineers easy. Within the platform group, there are multiple sub-teams that deal with specific layers and this position is for the mid-level platform engineer who is comfortable working with any sub-team and adding value to the overall platform. You can see more details about the team structure on our tech blog How we reorganize the platform team. Recent or Ongoing Projects: The following are some of the recent or in-progress projects which the Platform Group has been working on: Platform DX Kubernetes Configuration Management with CUE Shifting to Zero Touch Production CI/CD Towards a more stable and secure CD system replacement Defense Against Novel Threats: Redesigning CI at Mercari Network Our Network as a Service How Istio solved our problems Managing Network Policies for namespaces isolation on a multi-tenant Kubernetes cluster Dynamic Service Routing using Istio Platform Infra Securing Terraform monorepo CI Observability-kit: Adventures of using CUE at scale Role: We are looking for a software engineer who has a strong computer science background and proven experience in developing platform or infrastructure systems. The ideal candidate should have a keen interest in distributed systems and cloud-based components, and be genuinely enthusiastic about improving developer productivity while ensuring the reliability, security, and observability of Mercari services. It is also important to have the ability to release, migrate, and operate platform features in large-scale systems. 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 You may be fit if you 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 Bold Challenges Since the platform and its toolings are used not only by the Japan marketplace but also by Japan fintech and Mercari US marketplace, the changes and improvements can affect the whole organization\'s performance from development agility to system reliability. As a software engineer of the team, your implementation can have a truly significant impact. The team needs to understand what the developers are struggling with and what is required for the Mercari Group\'s product development. With this empathy and collection of requirements, the team prioritizes the problems to solve and decides the solution for them. You can join this decision-making process and propose a pragmatic solution leveraging your knowledge and experience Requirements Minimum Requirements 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 Preferred Requirements 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 Benefits Working Conditions Employment Status Full-time Office :Bangalore Workstyle : Hybrid We believe in high performance and professionalism. We work from office for 3 days/week and work from home 2 days/week To build a strong & highly-engaged organization in India, we highly encourage everyone to work from our Bangalore office, especially during the initial office setup phase We will continue to review and update the policy to address future organizational needs Work Hours Full flextime (no core time) Flexible to choose working hours other than team common meetings Media Owned Media Mercari Engineering Portal Mercan - Introduces the people that make Mercari Mercari US Blog Related Articles 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

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