Skillhouse Internal Career Opportunity
Messaging Backend Engineer
Position Title:
Messaging Backend Engineer
Employment Type:
Permanent
Working Hours:
English Level - Advanced (TOEIC 860), Japanese Level - None
Salary
Description
A Top Tech firm is growing and looking for a Backend Engineer for their Platform. In this role you will be working with a dedicated team to help improves overall services across various domains. This is an opportunity to work on systems at a scale that are rare to see in Japan and work with other dedicated engineers in a collaborate results focused environment. You will be responsible for designing, implementing, and operating scalable and reliable backend services that process tens of billions of messages per day across the ecosystem.
Your work will focus on maintaining and developing new features considering the performance, security, and evolution of critical infrastructure powering real-time messaging. You'll collaborate with engineers across multiple teams to solve challenging problems at scale delivering robust solutions.
Responsibilities:
- Design and implement server-side features and internal APIs that support core messaging platform
- Design and implement robust data structures for large-scale data storage, with a sharp focus on distributed processing, fault tolerance and scalability
- Collaborate with cross-functional teams to improve reliability, scalability, and observability across backend services
- Contribute to long-term architecture and platform evolution strategies to ensure our systems can flexibly meet evolving business demands
- Drive initiatives to improve CI/CD workflows, testing coverage, and system monitoring
- Depending on the team and specific components, this role may include on-call responsibilities to support our 24/365 service availability
Required Skills:
- Solid understanding of computer science fundamentals such as algorithms, data structures, networking, and concurrency
-5+ years of hands-on experience in server-side development
-Experience working in a development team
Why should you apply:
- Fast growing and top Tech firm in Japan
- Strong career progression and training support
- Focus on emerging technologies
Company Details:
One of Japan’s largest technology companies, this organization operates large-scale digital services reaching over 180 million users. It offers engineers the opportunity to work on high-impact systems, collaborating with talented and passionate professionals to lead the development, enhancement, and continuous improvement of its services. The company fosters a results-driven culture and provides a flexible working environment, including a full flextime system and a range of employee benefits designed to support a healthy work-life balance. Engineers also benefit from on-the-job training to develop into AI-first engineers, gaining practical experience and building expertise in emerging technologies. This is an opportunity to tackle complex technical challenges unique to large-scale technology organizations, continuously enhance engineering skills, and contribute to digital services used by millions of people worldwide.
Working Hours: Flextime
Working Style: Hybrid Working Style (3 days in office set by Division)
Holidays: Saturday, Sunday, National Holidays, Year-end and New Year Holidays, Paid Holidays
Services/Benefits: Transportation expenses, plus Paid leave, plus social insurance (health insurance, welfare pension, and work-related accident insurance), Periodic health examination, and Employment insurance
