Tokyo Cybereason ¥800,000 - ¥2,400,000 per year
About the Company

Cybereason is on a mission to reverse the adversary's advantage by empowering defenders with ingenuity and technology to end cyber attacks.

We have the technology, and now we are looking to expand our talent Come and talk to us about joining a market leader and a diverse team of passionate people who win as one, ensure a customer-first approach is core to everything we do, and never give up on reversing the adversary advantage.

About the role

We're seeking an experienced Full Stack Team Lead with strong frontend capabilities to lead our engineering team working on Cybereason's platform.

You'll be responsible for leading a team of developers while contributing to the development and maintenance of our AI-driven cybersecurity solution using the T3 Stack.

This role combines hands-on technical leadership with people management, focusing on creating exceptional user experiences while building robust full-stack applications that help enterprises detect, investigate, and respond to advanced threats across their entire IT estate.

Key Responsibilities
Technical Leadership - Drive architecture decisions, establish engineering standards, and maintain technical excellence across the T3 Stack implementation
Team Management - Lead, mentor, and develop a team of full-stack engineers while conducting performance reviews and career development planning
Hands-on Development - Contribute directly to critical features, complex dashboards, and security integrations (60% - 70% coding time)
System Architecture - Design scalable applications, optimize database performance, and make strategic decisions about data flow and system design
Project Coordination - Lead sprint planning, collaborate with product/design teams, and communicate technical decisions to stakeholders
Code Quality & Standards - Oversee code reviews, ensure best practices, and balance technical debt with feature delivery

Required Qualifications:
5+ years of full-stack development experience with TypeScript/JavaScript
2+ years of technical leadership experience - leading teams, mentoring developers, or senior technical roles
Strong frontend focus - exceptional skills in creating intuitive, responsive user interfaces and experiences
Backend proficiency - solid experience with server-side development, API design, and database management
API development - proven experience building scalable REST APIs, tRPC endpoints, and handling real-time data with WebSockets
Database expertise - proficiency in database design, complex queries, optimization, and data modeling (preferably with ORMs like Prisma)
System architecture experience - ability to design scalable applications and make informed technical decisions about data flow, caching, and performance
Deep expertise in js architecture, patterns, and best practices (e.g., App Router, Server Components, API routes, hooks, state management, component composition, performance optimization)
Leadership and communication skills - proven ability to lead technical discussions, mentor developers, and communicate with stakeholders
Experience with code review processes, technical documentation, and engineering best practices
Proven track record of delivering complex full-stack projects from conception to production
Strong problem-solving skills and ability to make technical decisions under pressure

Preferred Qualifications:
Management experience - previous experience managing engineering teams or technical projects
Advanced system design - experience with microservices architecture, distributed systems, and high-scale applications
Production experience with TypeScript in large-scale full-stack applications
Experience with tRPC and end-to-end type-safe API development
DevOps and Infrastructure - experience with CI/CD pipelines, containerization (Docker), and cloud deployment (AWS, GCP, Azure)
Experience with message queues, event-driven architecture, and real-time systems
Technical hiring experience - interviewing, evaluating, and onboarding engineering talent
Experience with agile methodologies, sprint planning, and project management tools
Experience building dashboards and data visualizations (e.g., Recharts, js)
Knowledge of monitoring, logging, and application performance management (APM) tools
Background in cybersecurity or enterprise-scale applications
Experience with security best practices, data encryption, and compliance requirements
Show more Show less

  • Tokyo Cybereason ¥800,000 - ¥2,400,000 per year

    We're seeking an experienced Full Stack Team Lead with strong frontend capabilities to lead our engineering team working on Cybereason's platform. · Drive architecture decisions, establish engineering standards, and maintain technical excellence across the T3 Stack implementation ...


  • Tokyo Cybereason Full time¥10,000,000 - ¥20,000,000 per year

    We're seeking an experienced Full Stack Team Lead with strong frontend capabilities to lead our engineering team working on Cybereason's platform. You'll be responsible for leading a team of developers while contributing to the development and maintenance of our AI-driven cyberse ...


  • Tokyo Cybereason ¥2,000,000 - ¥2,500,000 per year

    We're seeking an experienced Full Stack Team Lead with strong frontend capabilities to lead our engineering team working on Cybereason's platform. · Technical Leadership - Drive architecture decisions, establish engineering standards, and maintain technical excellence across the ...


  • Tokyo Cybereason ¥4,000,000 - ¥12,000,000 per year

    We are seeking an experienced Full Stack Team Lead with strong frontend capabilities to lead our engineering team working on Cybereason's platform. · Technical Leadership - Drive architecture decisions, establish engineering standards, and maintain technical excellence across the ...

  • Tech Lead

    2ヶ月前


    Tokyo Offshorly Full time¥2,000,000 - ¥2,500,000 per year

    We're looking for a Tech Lead to take charge of an exciting web and AI project. In this role, you'll be working with a global team, build scalable solutions, and innovate with the latest technologies. · Proven experience as a Tech Lead, Senior Full-Stack Developer, or similar lea ...

  • Full Stack Engineer

    2週間前


    Tokyo Tenth Revolution Group ¥1,800,000 - ¥2,500,000 per year

    We are looking for a senior full-stack developer to join our team in Tokyo. The ideal candidate will have 5+ years of experience in full-stack development with TypeScript/JavaScript and a strong focus on building intuitive, high-quality frontend experiences. · Must-haves: · 5+ ye ...


  • Tokyo Manatal ¥900,000 - ¥1,200,000 per year

    We seek a passionate and experienced Lead Full Stack Engineer to join our dynamic team. The ideal candidate is a seasoned software engineer who excels in designing and building complex software applications across the entire stack, particularly in single-page applications (SPA) o ...

  • Mobile Engineer

    1ヶ月前


    Tokyo ビルドプラス(旧ウォールアンドケース) ¥8,000,000 - ¥13,000,000 per year

    Senior Software Engineer (iOS/Android) – Drive Cross-Platform Innovation · Lead the transition from three separate codebases (iOS, Android, Web) to a 'build once, deploy everywhere' architecture. · Influence product direction, drive platform integration, and set technical standar ...


  • Tokyo Google Full time¥15,000,000 - ¥25,000,000 per year

    Google's software engineers develop the next-generation technologies that change how billions of users connect, explore, and interact with information and one another. · Write product or system development code. · Participate in, or lead design reviews with peers and stakeholders ...


  • Tokyo Google Full time¥4,000,000 - ¥10,000,000 per year

    Google's software engineers develop the next-generation technologies that change how billions of users connect, explore, and interact with information and one another. · Make networking faster by using better integration between protocols such as HTTP, QUIC and Multicast Domain N ...


  • Tokyo Google ¥6,000,000 - ¥12,000,000 per year

    Google's software engineers develop the next-generation technologies that change how billions of users connect, explore, and interact with information and one another. · Write product or system development code. · Participate in, or lead design reviews with peers and stakeholders ...


  • Tokyo ROYAL AGENT

    As a solution for improving labor productivity in an aging society with a declining birthrate, they are dedicated to creating a variety of services using their unique AI technology and AI platforms. · Planning, designing, and developing the entire system, including frontend, back ...

  • Frontend Engineer

    2ヶ月前


    Tokyo Relocate ¥600,000 - ¥1,800,000 per year

    We are looking for web frontend engineers to work on the PayPay Card mini-application, and other web frontend, with a laser focus on scalability and maintainability. · We want to reassess our frontend systems relevancy and update the architecture according to our product & techni ...

  • Quantum Scientist

    1ヶ月前


    Tokyo CT19 ¥900,000 - ¥1,200,000 per year

    A leading neutral atom quantum computing company is seeking Quantum Scientists to join its growing team in Japan. The team's mission is to transform next-generation neutral atom quantum systems into operational computing platforms. · Develop the machine into an operational platfo ...


  • Tokyo ROYAL AGENT ¥6,000,000 - ¥10,000,000 per year

    Operate at the cutting edge of AI and digital media with a passionate team dedicated to breaking down content accessibility barriers. · Full-stack experience in commercial web services · Backend API/database design and frontend development skills · Basic English communication for ...


  • Tokyo Robert Half ¥8,000,000 - ¥12,000,000 per year

    Build the future of global manufacturing technology at a Series C unicorn-trajectory company that's revolutionizing how the world's largest industry operates. · Architect and launch entirely new customer-facing applications from zero to production scale · Lead end-to-end product ...


  • Tokyo avatarin ¥600,000 - ¥1,800,000 per year

    We are looking for a senior engineer / tech lead, with focus on native C++ development skills, and the ability to port it to higher level languages such as Python, and Javascript. · We expect the candidate should excel in working with large-scale applications and frameworks and h ...


  • Tokyo Specialized Group ¥800,000 - ¥1,100,000 per year

    The company's products are served in more than 25 countries around including Japan, The US, Singapore and more. They are now seeking to transform the traditional manufacturing industry into a new digital retail industry that specializes on the commercialization of information. · ...


  • Tokyo Computer Futures ¥1,800,000 - ¥2,500,000 per year

    Join a fast-growing global tech company in the electric mobility sector as a Senior / Lead Full-Stack Engineer. We are building scalable EV charging solutions that combine hardware and software to power the future of transportation. · Lead technical aspects of backend dashboard p ...


  • Tokyo Google ¥2,000,000 - ¥2,500,000 per year

    As part of an entrepreneurial team in this rapidly growing business, you will play a key role in understanding the needs of our customers and help shape the future of businesses of all sizes use technology to connect with customers, employees and partners. · Lead a team of Custom ...


  • London Netskope £45,000 - £80,000 per year

    We are looking for software engineers focused on improving availability, latency, performance, efficiency, change management, monitoring, emergency response, and capacity planning of the engineering stacks. · Partner closely with our development teams and product managers to arch ...