Senior Fullstack Engineer

Overview

Money Forward aims to move people’s lives forward by offering various SaaS applications for Back-office operations and eliminating non-essential work from complex daily tasks, and radically changing the quality of and time spent on work.The Technical Revitalization Division is a specialized team within the CTO Office, empowered by the CTO to support product development teams in addressing technical challenges and enhancing existing architectures.Currently, we are deploying engineers to support the revitalization of an HR domain product, Money Forward Cloud Payroll. Additionally, we are seeking two more engineers for full-time assignments to assist in transitioning another product, Money Forward Cloud HRIS (Human Resource Information System), to Kotlin.As a Senior Backend Engineer, you will be responsible for leading projects primarily using Kotlin. Our products are currently in its growth phase, so we are actively seeking someone who can design an architecture and development strategy to accommodate future user expansion at scale.

Responsibilities

• Design, develop, and maintain high-performance backend systems with Kotlin or Java, ensuring scalability and reliability.
  

• Design, develop, and maintain high-performance frontend systems with Typescript React, ensuring scalability and reliability.
  

• Engage in collaborative efforts with cross-functional teams to conceptualize, architect, and implement new features that enhance our SaaS offerings.
  

• Understand existing features and define the best short, medium and long term strategy to migrate or re-architect systems to support our SaaS platform’s growth and scalability for.
  

• Identify and address issues which affect our products and lead the efforts to implement solutions across teams by making key technical decisions which define our future engineering direction.
  

• Proactively identify and address cross-product performance bottlenecks, ensuring the efficiency and responsiveness of our services.
  

• Design and implement robust and maintainable APIs that support both internal and external integrations.
  

• Work closely with product managers, designers, and fellow engineers to understand requirements and deliver high-quality solutions.
  

• Proactively engage in knowledge sharing across teams and the organization, promoting a culture of learning and development.
  

• Create and maintain technical documentation for systems, APIs, and processes.
  

• Collaborate with support teams to troubleshoot and resolve technical issues promptly.
  

Requirements

Qualifications

• Bachelor's degree in Computer Science, Engineering, or a related technical field.
  
• 6+ years of overall hands-on experience in software engineering, developing and operating web applications, especially using technologies: Kotlin/Java and React.
  
• Leadership skill is mandatory
  
• Willingness to learn and contribute to fullstack development.
  
• Experience with design, development, and operation of service-oriented or microservices architecture, demonstrating an understanding of scalable and modular architecture.
  
• Experience in architecture design and technology selection, showcasing the ability to make informed decisions for optimal solutions.
  
• Demonstrated ability to independently analyze, design, and refactor using various design patterns and identify and address anti-patterns.
  
• Proficiency in tuning middleware components, including database optimization and performance improvement strategies.
  
• Flexibility and adaptability to work with diverse technology stacks, with motivation to learn technologies like Ruby on Rails, Frontend frameworks and others in order to optimize our new systems.
  
• Proven track record of actively participating in team-based quality improvement efforts through code reviews and test code implementation.
  
• Hands-on experience with test design, creation, and operation using documentation or testing tools like JUnit, Kotest, RSpec, Jest, or similar.
  
• Experience in mentoring other engineers, demonstrating the ability to guide and support fellow team members in their professional growth.
  
• Experience in managing incident response, including efficient discovery, thorough investigation of root causes, prompt resolution, and implementation of permanent solutions.
  

Nice-to-have

• Experience in leading engineering teams.
  
• Expertise in frontend development using React and TypeScript.
  
• Familiarity with Ruby, Ruby on Rails, React or Vue.js.
  
• Experience with containerization and orchestration tools such as Docker and Kubernetes.
  
• Experience with event driven architectures and similar patterns to optimize performance across our systems.
  
• Previous experience working with Scrum and Agile development methodologies, contributing to efficient and collaborative project delivery.
  
• Previous exposure to a SaaS environment will be considered an advantage.
  

Tech stack

• Backend: Kotlin, Java, Ruby, Ruby on Rails, GraphQL, gRPC, Sidekiq Pro, RSpec
  
• Frontend: TypeScript, Next.js, Vue.js, Nuxt.js, Jest
  
• Infrastructure: Amazon EKS, Aurora, ElastiCache, S3
  
• Infrastructure as Code: Terraform
  
• Repositories: GitHub
  
• Project management: JIRA
  
• Monitoring: Datadog, Rollbar
  
• CI/CD: CircleCI, ArgoCD, GitHub Actions
  
• Communication Tools: Zoom, Slack, Figma, Miro
  

Benefits

• Startup-like Work Environment & Culture
  
• Flexible Work Hours & Hybrid Work Policy (WFH 2 days a week)
  
• Leaves: Casual, Earned, and Sick leaves
  
• Up to 6 months of Maternity Leave
  
• Casual Dress code (Shorts, Slippers, Sandals: All OK)
  
• Corporate Health Insurance (Covering spouse, kids, and parents)
  
• Performance review 2 times a year (Salary can be increased twice)
  
• Global Work environment
  
• Well-equipped facility: MacBook pro, height adjustable tables, ergonomic chairs, etc.
  
• Chance to visit Japan & Vietnam offices on business trips.