About the Team The Applied AI Engineering team is responsible for helping developers and enterprises safely and effectively deploy OpenAI technologies in production. We act as trusted technical advisors and thought partners for customers, working side by side with their teams to identify high-value use cases, design practical architectures, and move from prototype to durable deployment. Cybersecurity is one of the most urgent domains where AI can help. Security teams are under pressure to reason across code, logs, infrastructure, tickets, alerts, and vulnerability data faster than ever. As frontier models become more capable, organizations need deep technical guidance on how to evaluate, validate, and safely deploy AI systems in security-critical workflows. About the Role We are looking for a Cybersecurity Applied AI Engineer to partner with customers and help them apply OpenAI models, APIs, Codex, and agentic workflows to real cybersecurity use cases. You will work with CISOs, security executives, application security leaders, SOC teams, security engineering teams, and hands-on practitioners to identify where AI can create measurable security outcomes. This is a customer-facing technical role for someone who can move fluidly between executive strategy, practitioner-level cyber depth, and hands-on solution design. You will help customers evaluate and deploy workflows such as secure code review, vulnerability triage, threat modeling, remediation, SOC and incident response workflows, detection engineering, cloud security, GRC automation, and security validation. You will collaborate closely with Sales, Solutions Engineering, Product, Engineering, Research, and Security to turn customer needs into safe deployment patterns, reusable field assets, and product feedback. This role is based in our Tokyo office. We offer relocation support to new employees. In this role, you will: Deeply embed with strategic customers as the technical lead for AI-enabled cybersecurity workfl
Jobs in Japan
Lead Developer in Japan
15 active opportunities · Updated September 2026
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Explore current lead developer jobs across Japan. Filter by work mode, employment type, experience, department, date posted and distance.
About the Team The Applied AI Engineering team is responsible for ensuring the safe and effective deployment of Generative AI applications for developers and startups. We act as a trusted advisor and thought partner for our customers, working to build an effective backlog of GenAI use cases for their industry and drive them to production through strong technical guidance. OpenAI's customers represent a range of diverse backgrounds and maturity, from early-stage startups to late-stage startups. About the Role We are seeking a technically proficient, business-minded Applied AI Engineer to help push the frontier of advanced AI with our strategic startup customers. You'll work with some of the most exciting AI startups in the world, guiding them through ideation, development, delivery, and scaling to accelerate and maximize the value of what they build on our platform. You will have the opportunity to work on the most novel and creative use cases being built on our API, serving as a critical partner in collecting and delivering high-fidelity product and model feedback internally. You will collaborate closely with Sales, Solutions Engineering, Applied Research, and Product teams, and you will report to the Startups Applied AI Lead. This role is based in our Tokyo, Japan office. We use a hybrid work model of 3 days in the office per week and offer relocation assistance to new employees. In this role, you will: Partner closely with strategic startup customers as their technical thought partner to build novel applications on our API, helping them rapidly move from ideation to scale. Provide proactive guidance to maximize business impact and accelerate application development. Experiment and prototype alongside customers, demonstrating practical use cases. Contribute to open-source resources and scale the function by sharing knowledge, codifying best practices, and publishing useful resources. Synthesize and deliver valuable feedback to the Product and Research teams. Build
GitLab is the intelligent orchestration platform for DevSecOps. GitLab enables organizations to increase developer productivity, improve operational efficiency, reduce security and compliance risk, and accelerate digital transformation. More than 50 million registered users and more than 50% of the Fortune 100* trust GitLab to ship better, more secure software faster. The same principles built into our products are reflected in how our team works: we embrace AI as a core productivity multiplier, with all team members expected to incorporate AI into their daily workflows to drive efficiency, innovation, and impact. GitLab is where careers accelerate, innovation flourishes, and every voice is valued. Our high-performance culture is driven by our values and continuous knowledge exchange, enabling our team members to reach their full potential while collaborating with industry leaders to solve complex problems. Co-create the future with us as we build technology that transforms how the world develops software. * Fortune 500® is a registered trademark of Fortune Media IP Limited, used under license. Claim based on GitLab data. Fortune 100 refers to the top 20% ranked companies in the 2025 Fortune 500 list, published in June 2025. Fortune and Fortune Media IP Limited are not affiliated with, and do not endorse products or services of GitLab. An overview of this role As a Senior Professional Services Engineer at GitLab, you'll work directly with customers to deliver installation, migration, training, and advisory services that help them adopt GitLab successfully. You'll lead engagements from single-node Omnibus installs to large reference architectures built with infrastructure as code (IaC) and configuration as code. You'll also guide migrations from other systems to GitLab SaaS or self-managed deployments, and help customers make practical decisions that improve reliability, security, and day-to-day workflows. In this role, you'll work closely with customers and Git
About the Team OpenAI’s Forward Deployed Engineering team partners with customers to turn research breakthroughs into production systems. We operate at the intersection of customer delivery and core platform development. About the Role As a foundational FDE manager, you’ll lead FDE through high-stakes, ambiguous customer deployments and own technical and business value outcomes end to end. You’ll grow a team that can operate under pressure and help OpenAI learn from the field. You’ll partner closely with Product, Research, Sales, and GTM to ensure fieldwork informs roadmap priorities, drives new exploration, and supports safe deployment at scale. Your decisions will influence how OpenAI is trusted by the customers closest to our deployment work. Your success will be measured by how consistently your team ships, how clearly you deliver signal to Research and Product, and how durable your team and delivery model prove to be. This role is based in Tokyo. We use a hybrid work model of 3 days in the office per week and offer relocation assistance to new employees. This role also will require travel up to 40%, although mainly local. To succeed in this position you must be bilingual—fluent in both Japanese and English (spoken and written). Please note that your resume must be submitted in English, and the interview process will include conversations in both languages. In this role, you will: Lead and grow a team of FDE delivering production systems with frontier models Own end-to-end delivery outcomes through clarity, speed, tight coordination, and technical quality Codify what works into tools, playbooks, and roadmap inputs that create leverage for both OpenAI and our wider developer community Notice early indicators and raise them with urgency, whether in product behavior, customer environments, or delivery practices Use judgement to distinguish what requires action and what does not Set a high bar for FDE performance and support each person’s growth through direct, acti
MongoDB Pre-Sales Solutions Architects are technical business advisors who help customers design, justify, and adopt reliable, scalable systems using MongoDB’s data platform. They own the technical strategy across complex opportunities—from discovery and qualification through architecture, proof of value, executive alignment, and successful adoption—and connect technical decisions to measurable business outcomes. You’ll partner closely with Account Executives, Sales Leadership, Customer Success, Professional Services, and ecosystem partners to shape multi-threaded account strategies, build champions, de-risk complex architectures, and drive expansion. You’ll serve as a trusted advisor to developers, architects, operations leaders, and business executives, helping organizations modernize legacy systems, build AI-powered applications, and realize measurable value from MongoDB. . We are looking to speak to candidates who are based in Tokyo for our hybrid working model. As an ideal candidate, you will have: Ideally 8 to 11 years of related experience in a customer facing role, with 5 to 7 years of experience in pre-sales with enterprise software Minimum of 3 years experience with modern scripting languages (e.g. Python, Node.js, SQL) and/or popular programming languages (e.g. C/C++, Java, C#) in a professional capacity Experience designing with scalable and highly available distributed systems in the cloud and on-prem Demonstrated ability to lead architecture reviews for complex, multi-component applications and platforms, identifying risks, evaluating trade-offs, and providing clear guidance to modernize, optimize, and de-risk the solution Excellent presentation, communication, and interpersonal skills, with the ability to convey complex technical and business concepts in a clear and compelling manner to technology and business leadership Ability to partner with Sales Leadership and Account Executives on multi-threaded account and territory strategies, prioritize oppor
Replit is the agentic software creation platform that enables anyone to build applications using natural language. With millions of users worldwide, Replit is democratizing software development by removing traditional barriers to application creation. As a Premium Support Engineer at Replit, you’ll be the front line for our highest-value customers — delivering fast, expert, and reliable technical support when it matters most. You’ll handle complex product issues, guide customers through critical incidents, and ensure every interaction meets the highest standard of quality and speed. You’ll combine deep technical troubleshooting with calm, confident communication to keep builders moving — whether it’s an enterprise team deploying at scale or a top-tier developer relying on Replit to power their business. What You’ll Do Provide swift, high-priority support to Premium customers, responding within strict SLAs. Diagnose, reproduce, and resolve complex technical issues across the Replit platform. Escalate and track high-impact issues with Product and Engineering, ensuring timely fixes and transparent communication. Lead customer-facing communications during outages or incidents. Identify recurring issues and collaborate internally to reduce time-to-resolution. Contribute to internal tooling, automation, and documentation that improves team efficiency. Partner with Engineering, Product, Sales and other internal teams to ensure Premium customers receive a consistent, high-quality experience. Help onboard and mentor other support engineers, raising the team’s overall bar for responsiveness and quality. Required Skills & Experience 4+ years in technical support, developer support, or systems engineering. Professional fluency in English and Japanese, both written and verbal. Experience providing rapid-response support to high-value or enterprise customers. Strong debugging skills with JavaScript, Python, or similar languages. Excellent written and verbal communication unde
Figma is growing our team of passionate creatives and builders on a mission to make design accessible to all. Figma’s platform helps teams bring ideas to life—whether you're brainstorming, creating a prototype, translating designs into code, or iterating with AI. From idea to product, Figma empowers teams to streamline workflows, move faster, and work together in real time from anywhere in the world. If you're excited to shape the future of design and collaboration, join us! As a Technical Account Manager (TAM), you will serve as a trusted technical advisor to some of Figma’s largest enterprise customers. You will help organizations successfully adopt, integrate, and scale Figma across complex technical environments. This role sits at the intersection of customer success, enterprise architecture, and developer workflows. You will work closely with customer enablement, sales, and product teams to guide customers through sophisticated implementations involving identity systems, APIs, integrations, governance, and extensibility. Your goal is to reduce technical risk, accelerate adoption, and ensure customers are set up for long-term success. This is a full-time position based in our Tokyo hub; professional fluency in both English and Japanese is required for success. What you’ll do at Figma: Serve as a strategic technical advisor for enterprise customers, helping them adopt and scale Figma in alignment with their business and technical goals Lead structured technical engagements that assess customers’ current environments, identify risks or gaps, and provide clear, prescriptive guidance for successful implementation Guide customers through enterprise API usage and system integrations, helping them extend Figma’s capabilities within their broader technology ecosystems Partner with developer teams to improve design-to-code workflows, including Dev Mode adoption, extensibility initiatives and other emerging platform capabilities (Code to Canvas) Deliver technical workshop
About Flexport: At Flexport, we believe global trade can move the human race forward. That’s why it’s our mission to make global commerce so easy there will be more of it. We’re shaping the future of a $10T industry with solutions powered by innovative technology and exceptional people. Today, companies of all sizes—from emerging brands to Fortune 500s—use Flexport technology to move more than $19B of merchandise across 112 countries a year. The recent global supply chain crisis has put Flexport center stage as we continue to play a pivotal role in how goods move around the world. We are proud to have the support of the best investors in the game who believe in our mission, solutions and people. Ready to tackle global challenges that impact business, society, and the environment? Come join us. The Opportunity: Flexport is insourcing operations in Japan — one of the world's most quality-driven and relationship-led freight markets. To stand up our in-house Tokyo operations team, we are seeking a Senior Operations Developer: a deeply experienced freight forwarding operator who will help us build the local team, establish the right vendor relationships, and accelerate the velocity of our insourcing initiative. Japan is a market where seniority and trust take precedence in business dealings, and where local relationships with carriers, CFS providers, and drayage partners are difficult and slow to build from the outside. As Senior Operations Developer, you will use your existing network and operational expertise to dramatically shorten that ramp time — laying the foundation for a Tokyo operations function that supports a projected ~150 FCL, ~30 LCL, and ~44 Air shipments per month by year-end 2026. You will: Establish and strengthen Flexport's relationships and operating arrangements with key local vendors in Japan, including CFS, drayage providers, ocean carriers, and customs partners. Lead the sourcing, screening, and hiring of the local Tokyo operations tea
About the Team The GTM Partnerships team is responsible for building a global, best in class, partner ecosystem that makes our customers successful, supports the company's mission of reaching AGI, and impacts the revenue growth of the company. About the Role We are hiring a partner director to operationalize, activate, and scale strategic partner relationships in Japan. This role will focus on driving enablement, coordinating joint solution development, and ensuring commercial activation across the partner lifecycle to accelerate and scale existing signed partnerships. You will be the connective tissue between OpenAI and the partner’s delivery, technical, and sales organizations to ensure the partnership delivers results. This role will report to the Japan Partnerships Lead and be based in Japan. In this role you will: Own the day-to-day relationship with one or more signed partners in Japan, acting as the single point of contact across enablement, solutioning, and GTM execution. Drive and manage onboarding across workstreams including sales training, technical enablement, security and provisioning, and support operations. Ensure partner readiness to deploy and resell OpenAI solutions, through shared project plans, milestone tracking, and joint QBRs. Orchestrate co-developed solutions by collaborating with partners to define use cases, create demo assets, and localize technical documentation. Monitor partner performance , flag risks early, and drive structured remediation or acceleration plans as needed. Coordinate across OpenAI teams including Sales, Solution Engineering, Enablement, Operations, Customer Success, and Marketing to ensure partner needs are met and internal alignment is maintained. Establish operational rhythms such as roadmap briefings, asset distribution, and sales enablement refreshes. Ensure compliance with partnership agreements , including commercial terms, dedicated personnel commitments, and reporting cadences. You might thrive in this role if
Overview: Guidepoint’s Business Development teams are passionate about expanding our reach with both new and existing clients. We support all Guidepoint’s service offerings, helping to build relationships and communicate how Guidepoint helps clients stay informed and make better business decisions. Our teams are motivated to provide custom offerings designed to help every potential client make the most of their partnership with Guidepoint. The Tokyo team is looking for a Business Development Associate to further develop our business with major Corporations within the region . The Associate will be responsible for assisting in building a pipeline of prospects across various industries. This is an exciting opportunity for a self-starter who wants to learn more about the Corporate sector and make a significant contribution to our business model. What You’ll Do: Conduct outbound prospecting to qualify new business leads and help source new business opportunities Partner with senior sales team members schedule meetings with new prospects, set up meetings with existing strategic accounts to identify growth and cross selling opportunities, and manage client feedback calls. Meet designated prospecting and meeting targets through cold calling and other lead generation efforts. Assist in the development of marketing materials and client presentations. Develop a working knowledge of the primary research methods, the competitor landscape, and the institutional investment industry investment process and investment strategies. What You Have: High level of fluency in Japanese and English. Bachelor's degree from a tertiary institution Broad base knowledge of the sales process from lead generation to relationship management. Excellent communicator capable of handling high-profile clients Demonstrated ability to work in a team atmosphere. Desire to work in a sales/ lead generation role that is KPI and metrics-driven. A desire to work in a fast-paced, results-oriented environment. Wha
Secure Every Identity, from AI to Human Identity is the key to unlocking the potential of AI. Okta secures AI by building the trusted, neutral infrastructure that enables organizations to safely embrace this new era. This work requires a relentless drive to solve complex challenges with real-world stakes. We are looking for builders and owners who operate with speed and urgency and execute with excellence. This is an opportunity to do career-defining work. We're all in on this mission. If you are too, let's talk. Based in Tokyo, we are seeking a Director to lead our high-growth Japan Sales Development team. As the leader of Sales Development, you will be responsible for owning the management of overall inbound business development and outbound prospecting pipeline strategy and execution. You will lead & motivate a team of highly driven SDRs and implement efficient processes & tools that optimize for scale in a fast-paced innovative and collaborative environment. This role reports to the Senior Director, Sales Development (APJ). This is a high visibility role that is responsible for hiring, on-boarding, and coaching a group of high performing sales professionals while collaborating with many other departments within our Go To Market Function (Marketing, Operations and Sales etc.). You will own Japan xDR Go to Market strategy, with a goal of improving the existing teams productivity, efficiency and outbound quality to build and progress pipeline to revenue. At Okta, our mission is to maintain a people-first, diverse, and inclusive culture. You will be responsible for building the Japan xDR team culture with a focus on coaching and mentoring. You will need to be an expert in prospecting and account planning strategies with a high growth company and must be able to educate others effectively in these areas. You will also focus on enabling continued growth of their reps in preparation for their prog
Replit is the agentic software creation platform that enables anyone to build applications using natural language. With millions of users worldwide, Replit is democratizing software development by removing traditional barriers to application creation. We're looking for a Japan Growth Lead to establish and scale Replit's commercial presence in Japan. This is a high-impact, externally-facing role that sits at the intersection of enterprise business development, channel sales, and market strategy. You'll own how Replit shows up in the Japanese market, building partnerships with enterprise and government customers, activating reseller and channel partner networks, and representing Replit at major industry events and conferences. This role is ideal for someone who has deep roots in Japan's business landscape, understands how to navigate enterprise and public-sector sales cycles in Japan, and knows how to build trust with both technical and non-technical stakeholders. What You'll Do Enterprise & Government Partnerships Own end-to-end partnership development with enterprise accounts, government agencies, and public sector institutions in Japan Identify, prospect, and close strategic partnerships with large Japanese enterprises across technology, finance, manufacturing, retail, and more Navigate complex, multi-stakeholder procurement processes typical of Japanese enterprise and government accounts Build long-term relationships with key decision-makers, executives, and procurement leads Channel & Reseller Activation Identify, recruit, and activate resellers, system integrators, and channel partners who can distribute Replit's products in Japan Develop enablement programs, co-selling motions, and joint go-to-market strategies with channel partners Negotiate partnership agreements, reseller terms, and co-marketing arrangements Monitor partner performance and iterate on programs to maximize channel revenue Education (EDU) Partnerships Build partnerships with Japanese un
About the team OpenAI’s Forward Deployed Engineering team partners with customers to turn research breakthroughs into production systems. We operate at the intersection of customer delivery and core platform development. About the Role This is a founding role. As a Technical Deployment Lead (TDL), you will define how OpenAI delivers complex systems to customers. You will own how they are built, shipped, and adopted. You’ll translate business outcomes into a technical plan, run day-to-day execution across FDEs, Researchers, and Customer Engineers, and partner with customer teams to ensure delivery supports their goals. This is not a management role, however you'll own delivery end-to-end: embedding with customers to map workflows and success criteria, ensuring components ship on time, and leading readiness and change management for adoption. You’ll track progress, manage dependencies, make sequencing decisions, and drive 0→1 prototypes through MVP and scale. You will also share field insights with Product and Research to guide roadmap and priorities. Success will be measured first and foremost by impact - deployments that deliver measurable value against customer goals, drive adoption, and become critical to their workflows. Additional measures of success include delivery reliability (milestones hit, low reopen/churn), operating leverage (patterns reused across deployments), judgment under pressure, and product impact (field signal that shifts roadmaps/architectures). This is a high-trust, high-autonomy role. Success requires deep technical project management expertise, extreme ownership of outcomes, and an ability to immerse in customer workflows and partner with customer teams to solve complex engineering problems at pace. This role is based in Tokyo. We use a hybrid model of 3 days in office and offer relocation assistance. Travel up to 25-50% is required. To succeed in this position you must be fully bilingual—fluent in both Japanese and English (spoken and writt
About OpenAI OpenAI is an AI research and deployment company committed to ensuring that artificial general intelligence benefits all of humanity. Our mission requires a team that brings diverse perspectives, strong judgment, and a deep commitment to safe and beneficial deployment. About the role We are seeking an experienced Enterprise Marketing Manager / Lead to build and drive OpenAI's enterprise marketing strategy in Japan. This person will be responsible for developing local programs that generate pipeline, deepen enterprise trust, and help Japanese businesses understand how OpenAI can create meaningful value. This role is ideal for a full-stack B2B marketer who understands Japan enterprise buying dynamics and can operate across strategy and execution. You will partner closely with Sales, Partnerships, Product Marketing, Communications, Legal, and Global Marketing to translate global priorities into locally resonant programs. Responsibilities - Develop and execute Japan enterprise marketing strategy aligned with GTM and revenue priorities - Plan and run field marketing programs, executive events, webinars, roundtables, ABM pilots, partner co-marketing, and demand generation campaigns - Create high-impact bilingual content, including customer stories, newsletters, executive narratives, sales enablement, and localized campaign assets - Partner with Sales to identify target accounts, industries, objections, and opportunities for marketing support - Work with Product Marketing and Global Marketing to localize launches, narratives, and enterprise messaging for Japan - Coordinate with Comms, Global Affairs, Legal, and policy partners on trust-sensitive messaging and external programs - Build partner marketing strategies with priority ecosystem and channel partners - Manage agencies, vendors, timelines, budgets, reporting, and post-campaign measurement - Establish operating rhythms and performance dashboards for Japan enterprise marketing Qualifications - 10-12+ years
Airbnb was born in 2007 when two hosts welcomed three guests to their San Francisco home, and has since grown to over 5 million hosts who have welcomed over 2 billion guest arrivals in almost every country across the globe. Every day, hosts offer unique stays and experiences that make it possible for guests to connect with communities in a more authentic way. The community you will join: At Airbnb, the Growth Marketing team sits at the dynamic crossroads of marketing, engineering, and data science. We’re responsible for driving Airbnb’s business performance by deploying innovative, data-driven marketing strategies. The difference you will make: As Growth Marketing Lead, you’ll have a unique opportunity to shape Airbnb’s growth narrative in Japan. You’ll be the champion for Growth Marketing channels, translating strategic vision into actionable plans and flawless execution. You’ll identify and prioritize high-impact opportunities, manage complex cross-functional projects, and collaborate with global and regional teams. Your leadership will ensure not only the ongoing success of our core marketing programs, but also the discovery of new areas of growth for your market. Your responsibilities: Develop and Execute Growth Marketing Strategies: Identify and incorporate local nuances to infuse authentic local flavor into Growth Marketing initiatives, ensuring strategies are tailored to resonate with local cultures, preferences, and market conditions. Cross-Functional Leadership: Build strong relationships with regional and global teams, setting and managing expectations effectively to deliver measurable business impact. Establish and optimize operating rhythm and ways of working. Project Management: Partner closely with Regional Marketing, Engineering, Product, Data Science, and Creative teams to align on priorities, shape product roadmaps, and lead the planning and execution of Growth Marketing initiatives—ensuring flawless delivery, clear accountability
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