Software Engineer, MAPI

Jobs / Software Engineer, MAPI - Mercari Software Engineer, MAPI - Mercari Mercari Tokyo | Hybrid EngineeringSoftware Engineer Apply Language EN: Business JP: Fluent / Native Salary Unavailable See Salary Ranges Employment Type Full time Job Description Employment Status: Full-timeWork Hours: Full Flextime (no core time)Office: Roppongi For more details, see the Overview of Our Positions section on our Careers site. Organization/Team Mission Mercari Engineering Principles Mercari Engineering Principles are a shared understanding that serves as the foundation of engineering beliefs and behavior at Mercari. The Engineering Principles are designed to complement the organizational identity (Mercari’s mission, values, and culture) from an engineering viewpoint. These principles ultimately help us achieve Mercari’s mission by defining the ideal state we seek to realize in the long term. Passion For The ProductGrow TogetherSolve Through MechanismsCollaborate Openly For More Details, Please See The Following Link: Engineering Culture In the Mercari API Team, our primary focus is on the development and management of the monolith service, with two main objectives: migration and maintenance. The first objective involves migrating all critical dependencies out of the monolith service. This requires a deep understanding of how the service has evolved over time, as well as close collaboration with relevant teams to ensure a smooth migration process. The second objective focuses on maintaining the monolith service to ensure stability and resilience. This involves adopting an SRE mindset to keep the service reliable through activities such as service operations, performing language and security updates, and working with relevant teams to enforce best practices in monolith service development. See here for more information about our mission and values. Responsibilities Migrate the PHP-based service APIs to Go-based services. This involves coordinating with client teams (iOS, Android, Web) and the service owner teams to ensure end-to-end migration is successful. While you are not responsible for writing client-side code, you will need to collaborate effectively with these teams to manage the migration process.Provide support to PHP-dependent teams by assisting in development efforts using Mercari's PHP-specific framework.Maintain and improve the PHP framework by performing language upgrades, library updates, and applying security fixes as needed.Oversee the operation of the PHP-based monolith service. Even as migration efforts are underway, you will ensure the stability and reliability of the current service through effective monitoring and operations. Unique Challenges Migrating critical, legacy features from the monolith service to modern architectures while ensuring minimal disruption.Operating and maintaining a critical high-traffic service, requiring a strong focus on stability and reliability.Gaining a deep understanding of how Mercari's C2C platform functions through hands-on experience during the migration process.Contributing to and navigating a large-scale migration project with multiple stakeholders and dependencies. Unique Challenges Migrating critical, legacy features from the monolith service to modern architectures while ensuring minimal disruption.Operating and maintaining a critical high-traffic service, requiring a strong focus on stability and reliability.Gaining a deep understanding of how Mercari's C2C platform functions through hands-on experience during the migration process.Contributing to and navigating a large-scale migration project with multiple stakeholders and dependencies. Qualifications Required Experience/Skills Experience in backend engineering for mission-critical services.Hands-on experience being on-call for mission-critical high-traffic backend systems, with a focus on ensuring reliability and stability.Familiarity with programming languages such as PHP and Go (while not primary requirements, these will be advantageous), as well as a basic understanding of Kubernetes and Terraform.Strong communication skills to effectively coordinate with relevant teams during migration efforts.Ability to understand and align with Mercari's technical direction while contributing to service growth and scalability. Preferred Experience/Skills Expertise in “software archaeology," with the ability to analyze and understand the history and evolution of legacy codebases and resources.Familiarity with implementing and maintaining observability for large-scale monolith systems to ensure service reliability.LanguageJapanese: Proficient (CEFR-B2) requiredEnglish: Intermediate (CEFR-B1) required For details about CEFR, see here. About The Company Circulate all forms of value to unleash the potential in all people "What can I do to help society thrive with the finite resources we have?" The Mercari marketplace app was born in 2013 out of this thought by our founder Shintaro Yamada as he traveled the world. We believe that by circulating all forms of value, not just physical things and money, we can create opportunities for anyone to realize their dreams and contribute to society and the people around them. Mercari aims to use technology to connect people all over the world and create a world where anyone can unleash their potential. For more information about Mercari Group’s mission, see Mercari's Culture Doc Recruiting at Mercari At Mercari Group, we value empathizing with and embodying the mission and values of the Group and each company. To promote the creation of an organization that maximizes the total amount of value exhibited by all members, we would like to understand the experience and skills of each candidate as accurately as possible. Recruiting cycle at Mercari Group Application screeningSkill assessment: For engineering positions, you will be asked to complete a skill assessment on HackerRank or GitHub. For non-engineering positions, you may be asked to complete an assessment depending on the position. (The timing of the assessment may coincide with the interview process.)Interview: The number of interviews may vary depending on the position.Reference check: We will ask for online references around the timing of the final interview.Offer: Offers will be determined carefully in consideration of the final interview and the reference check. Learn more about our recruiting process here. Responsibilities About the Company Apply Browse Jobs by Role Design Jobs Design Design Director Digital Artist Graphic Design Illustration Motion Graphics Product Design Service Design UI Design UX Design UX Research UX Writing Visual Design Video Web Design Engineering Jobs Android Engineer iOS Engineer Front End Developer Back End Developer Full Stack Developer QA Engineer Product Jobs Product Design Product Management Marketing Brand Manager Copywriting Marketing Social Media Operations Account Executive Project Coordinator Project Manager Data Jobs Data Analyst Data Scientist Machine Learning Other Gaming Jobs Volunteer Jobs Job Description Employment Status: Full-timeWork Hours: Full Flextime (no core time)Office: Roppongi For more details, see the Overview of Our Positions section on our Careers site. Organization/Team Mission Mercari Engineering Principles Mercari Engineering Principles are a shared understanding that serves as the foundation of engineering beliefs and behavior at Mercari. The Engineering Principles are designed to complement the organizational identity (Mercari’s mission, values, and culture) from an engineering viewpoint. These principles ultimately help us achieve Mercari’s mission by defining the ideal state we seek to realize in the long term. Passion For The ProductGrow TogetherSolve Through MechanismsCollaborate Openly For More Details, Please See The Following Link: Engineering Culture In the Mercari API Team, our primary focus is on the development and management of the monolith service, with two main objectives: migration and maintenance. The first objective involves migrating all critical dependencies out of the monolith service. This requires a deep understanding of how the service has evolved over time, as well as close collaboration with relevant teams to ensure a smooth migration process. The second objective focuses on maintaining the monolith service to ensure stability and resilience. This involves adopting an SRE mindset to keep the service reliable through activities such as service operations, performing language and security updates, and working with relevant teams to enforce best practices in monolith service development. See here for more information about our mission and values. Responsibilities Migrate the PHP-based service APIs to Go-based services. This involves coordinating with client teams (iOS, Android, Web) and the service owner teams to ensure end-to-end migration is successful. While you are not responsible for writing client-side code, you will need to collaborate effectively with these teams to manage the migration process.Provide support to PHP-dependent teams by assisting in development efforts using Mercari's PHP-specific framework.Maintain and improve the PHP framework by performing language upgrades, library updates, and applying security fixes as needed.Oversee the operation of the PHP-based monolith service. Even as migration efforts are underway, you will ensure the stability and reliability of the current service through effective monitoring and operations. Unique Challenges Migrating critical, legacy features from the monolith service to modern architectures while ensuring minimal disruption.Operating and maintaining a critical high-traffic service, requiring a strong focus on stability and reliability.Gaining a deep understanding of how Mercari's C2C platform functions through hands-on experience during the migration process.Contributing to and navigating a large-scale migration project with multiple stakeholders and dependencies. Unique Challenges Migrating critical, legacy features from the monolith service to modern architectures while ensuring minimal disruption.Operating and maintaining a critical high-traffic service, requiring a strong focus on stability and reliability.Gaining a deep understanding of how Mercari's C2C platform functions through hands-on experience during the migration process.Contributing to and navigating a large-scale migration project with multiple stakeholders and dependencies. Required Experience/Skills Experience in backend engineering for mission-critical services.Hands-on experience being on-call for mission-critical high-traffic backend systems, with a focus on ensuring reliability and stability.Familiarity with programming languages such as PHP and Go (while not primary requirements, these will be advantageous), as well as a basic understanding of Kubernetes and Terraform.Strong communication skills to effectively coordinate with relevant teams during migration efforts.Ability to understand and align with Mercari's technical direction while contributing to service growth and scalability. Preferred Experience/Skills Expertise in “software archaeology," with the ability to analyze and understand the history and evolution of legacy codebases and resources.Familiarity with implementing and maintaining observability for large-scale monolith systems to ensure service reliability.LanguageJapanese: Proficient (CEFR-B2) requiredEnglish: Intermediate (CEFR-B1) required For details about CEFR, see here. About The Company Circulate all forms of value to unleash the potential in all people "What can I do to help society thrive with the finite resources we have?" The Mercari marketplace app was born in 2013 out of this thought by our founder Shintaro Yamada as he traveled the world. We believe that by circulating all forms of value, not just physical things and money, we can create opportunities for anyone to realize their dreams and contribute to society and the people around them. Mercari aims to use technology to connect people all over the world and create a world where anyone can unleash their potential. For more information about Mercari Group’s mission, see Mercari's Culture Doc Recruiting at Mercari At Mercari Group, we value empathizing with and embodying the mission and values of the Group and each company. To promote the creation of an organization that maximizes the total amount of value exhibited by all members, we would like to understand the experience and skills of each candidate as accurately as possible. Recruiting cycle at Mercari Group Application screeningSkill assessment: For engineering positions, you will be asked to complete a skill assessment on HackerRank or GitHub. For non-engineering positions, you may be asked to complete an assessment depending on the position. (The timing of the assessment may coincide with the interview process.)Interview: The number of interviews may vary depending on the position.Reference check: We will ask for online references around the timing of the final interview.Offer: Offers will be determined carefully in consideration of the final interview and the reference check. Learn more about our recruiting process here. About The Company Browse Jobs by Role Design Jobs Design Design Director Digital Artist Graphic Design Illustration Motion Graphics Product Design Service Design UI Design UX Design UX Research UX Writing Visual Design Video Web Design Engineering Jobs Android Engineer iOS Engineer Front End Developer Back End Developer Full Stack Developer QA Engineer Product Jobs Product Design Product Management Marketing Brand Manager Copywriting Marketing Social Media Operations Account Executive Project Coordinator Project Manager Data Jobs Data Analyst Data Scientist Machine Learning Other Gaming Jobs Volunteer Jobs