
Reaktor · Tokyo
Reaktorは、フィンランド発のグローバルなテクノロジーコンサルティングファームです。 北欧らしいフラットな組織文化を通じて高度な専門スキルとノウハウを持つコンサルタントがチームとして協力し、自律的にクライアントとユーザーに価値を生む成果を上げます。 デジタル x デザイン x ビジネスを融合させ、クライアント企...
Reaktorは、フィンランド発のグローバルなテクノロジーコンサルティングファームです。
北欧らしいフラットな組織文化を通じて高度な専門スキルとノウハウを持つコンサルタントがチームとして協力し、自律的にクライアントとユーザーに価値を生む成果を上げます。
デジタル x デザイン x ビジネスを融合させ、クライアント企業のデジタルサービスを成功に導くコンサルティングサービスを提供しています。
Reaktorは、業界のリーダーたちが「本質的な成長」を必要とする際に選ぶパートナーです。私たちが手がけるのは、単なる受託開発ではなく、クライアントのビジネスの核心に触れる高難度なプロジェクトばかりです。
「技術で何を実現できるか」の全貌は、こちらで公開しています。 私たちは、特定の技術に縛られることなく、課題に対して常に最適なスタックを選択します。エンジニアとして、どのようにビジネス価値を創出しているのか、その具体的なストーリーをぜひご覧ください。
👉 Reaktor Work - ケーススタディを見る
ただし、これは「自由と責任は表裏一体」であると考えているからです。高い自由度は、自らの行動に責任を持ち、プロフェッショナルとして成果を出すことへの信頼の上に成り立っています。この「自由を楽しみ、責任を果たす」マインドセットこそが、私たちの成長の原動力です。
があります。完璧な計画を待って停滞するよりも、まずは行動し、そこから学ぶことを尊びます。失敗を恐れず、自らの判断でスピーディーに動ける環境がここにはあります。
このポジションで特に期待されるのは、単に手を動かして実装することだけではありません。クライアントと同じチームの一員として、プロダクト開発を成功に導く役割を担っていただきます。
特に日本の大企業では、技術的な不確実性や失敗リスクを避けようとするあまり、開発プロセスが重くなったり、すべてを事前に決めようとしたりすることがあります。私たちはそうした背景を理解しながら、小さく試しながら学び、改善していくアジャイル開発の価値を伝え、クライアント自身もレベルアップする手助けをします。
また開発観点からプロジェクトをリードするポジションであるため、開発にも貢献できることは必須です。開発自体もリードできる技術と経験があればさらにプラスです。
プロジェクトの状況に応じて、バックエンド、フロントエンド、DevOpsなど、境界を作らずに必要とされる領域を担当します。
言語:
給与
ABOUT REAKTOR Reaktor is a global creative technology partner that helps industry leaders build a better future. Founded in Finland, we combine premium software engineering, strategic design, and robust data capabilities to solve high-stakes business challenges for global brands like Adidas and Finnair, as well as major enterprises in Japan. At Reaktor, we have no traditional hierarchy or middle management. We operate on a foundation of absolute trust, immense autonomy, and a shared passion for high-quality engineering. OUR CULTURE & PHILOSOPHY * Autonomy & Responsibility: Two sides of the same coin. We don't manage people; we trust you to think and act independently to make the best decisions. However, this high degree of freedom means you take full ownership and responsibility for the outcomes. * "Do first, apologize later": We value action over hesitation. Instead of waiting for a perfect plan while stalling progress, we encourage experimenting, taking the initiative, and learning fast from the results. THE ROLE: SENIOR TECHNICAL LEAD As a Senior Technical Lead at Reaktor Japan, you will be the cornerstone of our engineering excellence and agile delivery. You will work closely with our clients, leading cross-functional teams to architecture and implement robust, scalable systems. We are a technology-agnostic company—we don’t stick to a single stack. Instead, we select the best tools for the specific business problem. You will cross boundaries between frontend, backend, and DevOps as required by the project. OUR RECENT TECH STACKS & TOOLS: * Web: TypeScript, React * Mobile: iOS (Swift + UIKit/SwiftUI) * Backend: Node.js, Golang, PostgreSQL, Redis, Nginx * Infrastructure: AWS, Azure, GCP, Akamai, Terraform, Jenkins * Tools: Git/GitHub, Miro, Docker WHAT WE ARE LOOKING FOR * Language Proficiency: Native or native-level Japanese fluency is mandatory. Deep understanding of Japanese business culture and high-context communication styles is required to lead client-facing engagements successfully. (Professional English proficiency is a big plus for collaborating with our global teams). * Deep Architectural & Code Understanding: A proven track record of knowing what constitutes high-quality design and clean code, combined with hands-on implementation skills. * Continuous Learning Mindset: A proactive drive to learn new technologies independently and constantly update your skill set. * Strongly Preferred Skills: * Deep understanding or experience with Functional Programming. * Capability to design complex system architectures. * Experience in advanced test design (Unit, Integration, E2E). WHAT WE OFFER * True Autonomy: The freedom to shape your own career, choose your tools, and drive projects forward without being micromanaged. * Impactful Work: Opportunities to lead high-stakes digital transformations for major local and global brands. * Premium Environment: A modern, collaborative office space in Ebisu, Tokyo. * Comprehensive Benefits: 20 days of paid annual leave, comprehensive health insurance, mental health and multi-lingual counseling support, and continuous learning budgets. OUR INTERVIEW PROCESS (WHAT TO EXPECT) 1. Casual Sync: An introductory chat to share mutual expectations. 2. Attitude & Soft Skills Interview: A conversational dive conducted by the Japan team (in Japanese) focusing on cultural alignment, autonomy, and collaboration styles. 3. Technical Round / Design Assignment: An interactive, workshop-style architectural discussion with two of our local developers. 4. Final Round (Business & Tech Deep-Dive): A scenario-based tech session with Finland's Business Unit Lead Consultants and the CEO of Reaktor Japan. 5. Closing / Offer Session
Req ID: FEQ427R117 Location: Tokyo, Japan At Databricks, our core values are at the heart of everything we do; a culture of proactiveness and customer‑centricity guides us to build a unified platform that makes data and AI accessible to everyone. In Japan Financial Services, we help leading banks, insurers, securities firms, payment providers, and asset managers turn data into a strategic asset – improving customer experience, strengthening risk management, and driving profitable growth. You will be the senior technical leader for a set of strategic FSI accounts in Japan, using your executive‑level technical credibility and Financial Services expertise to shape and execute their data and AI strategy. Reporting to: Manager, Field Engineering – Financial Services, Japan THE IMPACT YOU WILL HAVE * Own technical strategy for key FSI customers in Japan, defining the target architecture and roadmap for their Databricks lakehouse and AI platform. * Lead high‑impact evaluations and designs for priority FSI use cases (e.g., fraud/AML, risk, regulatory reporting, SIEM, Hyper Personalization, trading and investment analytics). * Connect architecture to outcomes, showing how Databricks reduces risk, improves efficiency, and unlocks new revenue, then using those wins to drive broader expansion. * Shape the ecosystem, working closely with cloud providers, global/local SIs, and fintech partners to deliver end‑to‑end solutions on Databricks. * Raise the bar regionally, mentoring other Solutions Architects and contributing reusable reference architectures, patterns, and customer stories for Japan FSI. WHAT WE LOOK FOR * 10+ years in data platforms, analytics, or cloud architecture, including 6+ years working with large Financial Services institutions in Japan. * Proven ability to influence C‑level and director‑level stakeholders (CIO, CDO, CRO, heads of data/AI) and lead high‑stakes technical discussions in Japanese. * Deep hands‑on background in at least one area: Data Engineering, Data Warehousing/Analytics, AI/ML, or Cloud Architecture, with a strong architecture / platform focus. * Experience designing data and analytics solutions for FSI use cases (e.g., risk, fraud/AML, regulatory reporting, SIEM, customer analytics, or trading/investment). * Strong understanding of Japan FSI landscape, including typical organization structures, how decisions are made, and the role of SIs and cloud providers. * Outstanding communication and storytelling skills, able to explain complex architectures to both technical teams and senior business stakeholders. * Language: Native‑level Japanese and business‑level English. If you’re excited about helping Japan’s Financial Services use data and AI to deliver better outcomes – while setting the technical bar for our GTM in Japan – we’d love to hear from you. About Databricks Databricks is the data and AI company. More than 10,000 organizations worldwide — including Comcast, Condé Nast, Grammarly, and over 50% of the Fortune 500 — rely on the Databricks Data Intelligence Platform to unify and democratize data, analytics and AI. Databricks is headquartered in San Francisco, with offices around the globe and was founded by the original creators of Lakehouse, Apache Spark™, Delta Lake and MLflow. To learn more, follow Databricks on Twitter, LinkedIn and Facebook. Benefits At Databricks, we strive to provide comprehensive benefits and perks that meet the needs of all of our employees. For specific details on the benefits offered in your region click here. Our Commitment to Diversity and Inclusion At Databricks, we are committed to fostering a diverse and inclusive culture where everyone can excel. We take great care to ensure that our hiring practices are inclusive and meet equal employment opportunity standards. Individuals looking for employment at Databricks are considered without regard to age, color, disability, ethnicity, family or marital status, gender identity or expression, language, national origin, physical and mental ability, political affiliation, race, religion, sexual orientation, socio-economic status, veteran status, and other protected characteristics. Compliance If access to export-controlled technology or source code is required for performance of job duties, it is within Employer's discretion whether to apply for a U.S. government license for such positions, and Employer may decline to proceed with an applicant on this basis alone.
Req ID: FEQ427R279 Location: Tokyo, Japan At Databricks, our core values are at the heart of everything we do; a culture of proactiveness and customer‑centricity guides us to build a unified platform that makes data and AI accessible to everyone. In Japan Public Sector, we help central ministries, agencies, local governments, and public institutions use data and AI to deliver better, more trusted services to citizens. You will be the senior technical leader for a set of strategic public sector accounts in Japan, using your executive‑level technical credibility and government expertise to shape and execute their data and AI strategy. Reporting to: Director, Field Engineering, Japan The impact you will have * Own technical strategy for key Japan public sector customers, defining the target architecture and roadmap for their Databricks‑based data and AI platform. * Lead solution design for priority government use cases (e.g., citizen 360 and eligibility, program analytics, smart infrastructure, cybersecurity, fraud/waste/abuse). * Design for security and compliance, ensuring architectures meet public sector expectations on data residency, access control, governance, and auditability. * Turn pilots into platforms, linking Databricks to visible mission outcomes and using those wins to drive expansion across bureaus, departments, and levels of government. * Influence the ecosystem, collaborating with SIs, cloud providers, and public sector partners to deliver integrated, production‑grade solutions on Databricks. * Mentor others, coaching Solutions Architects and partners on how to work effectively with Japan public sector stakeholders and patterns on the Databricks platform. What we look for * 10+ years in data platforms, analytics, or cloud architecture, including significant experience with public sector organizations in Japan. * Proven ability to build trust with senior government stakeholders (CIO, CDO, chief architect, bureau/department leaders) and lead high‑stakes technical discussions in Japanese. * Strong technical background in Data Engineering, Data Warehousing/Analytics, AI/ML, or Cloud Architecture, with a focus on solution design and platforms. * Experience architecting data and analytics solutions for public sector use cases (e.g., citizen services, program analytics, public safety, infrastructure, or cybersecurity). * Deep familiarity with Japan public sector decision‑making and delivery models, including how SIs and cloud providers support government projects. * Excellent communication skills, able to translate mission and policy needs into clear technical approaches and explain them to both technical and non‑technical audiences. * Language: Native‑level Japanese and business‑level English. If you’re excited about helping Japan’s Public Sector use data and AI to deliver better outcomes – while setting the technical bar for our GTM in Japan – we’d love to hear from you. About Databricks Databricks is the data and AI company. More than 10,000 organizations worldwide — including Comcast, Condé Nast, Grammarly, and over 50% of the Fortune 500 — rely on the Databricks Data Intelligence Platform to unify and democratize data, analytics and AI. Databricks is headquartered in San Francisco, with offices around the globe and was founded by the original creators of Lakehouse, Apache Spark™, Delta Lake and MLflow. To learn more, follow Databricks on Twitter, LinkedIn and Facebook. Benefits At Databricks, we strive to provide comprehensive benefits and perks that meet the needs of all of our employees. For specific details on the benefits offered in your region click here. Our Commitment to Diversity and Inclusion At Databricks, we are committed to fostering a diverse and inclusive culture where everyone can excel. We take great care to ensure that our hiring practices are inclusive and meet equal employment opportunity standards. Individuals looking for employment at Databricks are considered without regard to age, color, disability, ethnicity, family or marital status, gender identity or expression, language, national origin, physical and mental ability, political affiliation, race, religion, sexual orientation, socio-economic status, veteran status, and other protected characteristics. Compliance If access to export-controlled technology or source code is required for performance of job duties, it is within Employer's discretion whether to apply for a U.S. government license for such positions, and Employer may decline to proceed with an applicant on this basis alone.