Senior Backend Engineer (Tech Lead Candidate)

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Job details

Company overview

Our client provides financial web services, aiming to alleviate the financial concerns and anxieties of individuals and businesses through the power of technology, and become the ultimate "money platform" for everyone.
Our main services include automated household accounting and asset management for individuals, economic media, and a financial product comparison platform. For businesses, we offer cloud services and B2B deferred payment services.

Responsibilities

Their Business Platform Development department is responsible for building this common foundation and promoting its stable use across services.

They are seeking a Senior Backend Engineer for a department that provides workflow functions for various services within the business platform. The role involves meeting diverse user expectations, organizing system logic for maintainability, and optimizing data management and architecture. The goal is to ensure system reliability, scalability, and create a user-focused workflow system.

This position will play a crucial role in creating the developer experience and reliability of the common platform service. Additionally, depending on personal preferences, there is an environment where one can actively take on roles beyond backend development, such as SRE and DevOps.

―――Responsibilities―――• Backend development of the common workflow system• Support for product integration of the common workflow system• Collaborate with PdM and designers to consider development content and clarify functional constraints to reflect in UX• Requirements definition and design (Design Doc, ADR, etc.)• Quality assurance and improvement• Respond to incidentsIn the future, you may be entrusted with roles such as tech lead or group leader
―――Expected Role―――• As a professional in backend development, pursue the balance between user experience and system ease of use without being confined to the backend domain.• Promote projects and provide appropriate support for products that integrate the workflow system.• Plan and implement measures to advance workflow system development and quality maintenance and improvement.• Solve technical issues related to feature development.• Identify and improve technical debt.• Support the skill development of team members and enhance the overall technical capability of the team by sharing technical knowledge and best practices.
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Requirements

■Required Skills and Experience

• Over 3 years of experience in backend development of web applications
• Experience in designing, implementing, and troubleshooting asynchronous messaging using tools like Kafka, Amazon SQS, or IBM MQ
• Experience in maintaining and improving systems/services for over a year, having been actively involved in new development or large-scale feature modifications
• Ability to create database design based on conceptual models
• Experience involving both internal and external teams, even with specifications and technical constraints
• Experience in implementing and operating various automated tests, such as unit tests, integration tests, and E2E tests
• Experience in continuously ensuring and improving code quality through code reviews

■Preferred Skills and Experience

• Experience in solving technical issues by leveraging a deep understanding of Kotlin, JVM, Spring, etc.
• Experience in designing, developing, and operating microservice architecture
• Experience in system architecture design
• Experience in progressing development while collaborating with multiple functions (PdM, QA, designers, etc.)
• Experience in designing RDB tables and being responsible for schema implementation, operation, and maintenance in real services
• Experience in design, implementation, and consensus building starting from OpenAPI or GraphQL schemas
• Experience in system operation, monitoring, and incident response
• Experience in managing progress, issues, risks, and requirements
• Experience in appropriately explaining and reporting incidents or significant technical events to stakeholders outside of development
• Experience working overseas or collaborating with multinational engineers
• Experience in AI development and/or experience in using AI tools to improve development processes.

■Language Requirements

• Business-level English proficiency
  • IELTS Overall 6+, TOEFL iBT 60+, TOEIC 740+
• Conversational level Japanese proficiency (equivalent to JLPT N3 or higher)

The appeal

Salary

6.9 - 10 million yen

Location

Tokyo