senior java developer

Job DescriptioniPlus Solution is hiring backend developers for our long-term enterprise client engagement in Nagoya. You will participate in software development projects using Java, C#, PHP, or Python, contributing to architecture, implementation, and quality across the stack. What we offer Competitive annual salary aligned with...

Department: Project Development (pre-COD) Reports to: Managing Director Location: Japan (domestic & regional travel may be required) Employment Type: Full-time Sector: Renewable Energy — Solar PV & Onshore/Offshore Wind 1. Role Overview The Project Developer (PD) will be responsible for the entire lifecycle of solar projects, from...

Summary: We are looking for a Full Stack Developer to join a fast-paced, global environment supporting cutting-edge Android TV and platform operations. This role is ideal for someone who enjoys both development and technical operations, and thrives in a collaborative, high-impact team. What You’ll Do: As part of a dynamic technical team, you...

DescriptionAbout KOMOJU KOMOJU is the leading cross-border payment gateway for Japan. We power payments for companies like video game distribution platform Steam and the popular mobile app TikTok. Today we help thousands of merchants by providing them with the payment infrastructure they need through developer-friendly API’s to integrations on...

Mandatory Qualifications: - Lead and coach your SRE/DevOps team to deliver high-quality infrastructure, tooling, and automation that align with organizational reliability and scalability goals, while upholding sound software engineering and operational practices - Drive a culture of reliability, including SLO/SLA ownership, incident management,...

Job DescriptionJob Title: Senior Software Engineer Job Type: Contract Location: Remote Job Summary: In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required — your domain...

Job DescriptionBusiness OverviewRakuten is the biggest marketplace of Japan and is the largest internet ecosystem with wide range of services ranging from e-Commerce, Travel, Banking, Fintech, Golf, Insurance, Instant Messaging, Mobile Network etc. Rakuten has over 140 services globally. Our mission is to empower people and society through the internet...

Job DescriptionDepartment OverviewThe IT Governance Department is a newly established organization, launched in June 2025 under the direct lead of Rakuten Mobile's CIO. Its core mission is to address various issues related to IT systems and information assets by developing IT strategies and governance frameworks and subsequently implementing the...

About the company Our mission at Gurīn Energy is to take tangible action to move Asia to 100% renewable energy. We are a renewable energy developer focused on the development, ownership, and operation of wind, solar and storage assets throughout Asia. Our headquarters are in Singapore and we are active in Indonesia, Japan, the Philippines, Malaysia,...

About AppierAppier is an AI-native Agentic AI as a Service (AaaS) company that uses artificial intelligence (AI) to power business decision-making. Founded in 2012 with a vision of democratizing AI, Appier’s mission is turning AI into ROI by making software intelligent. Appier now has 17 offices across APAC, Europe and U.S., and is listed on the Tokyo...

Treasure...

Treasure...

[English Only] Senior Software Engineer (Tech Lead) | Ad Tech Platform | Tokyo | Up to 11M JPY + Bonus + Stock Options Why should you apply: Develop advertising platforms supporting 70+ digital services, exposing you to complex data, targeting, and measurement challenges. Gain experience across the entire advertising platform—from ad...

Grow your full-stack and data engineering skills in a global, cutting-edge environment! NOTE: THIS IS A CONTRACT POSITION. APPLICANTS NEED TO BE LIVING IN JAPAN. INTERNALLY CONVERSATIONAL LEVEL JAPANESE IS REQUIRED AND BUSINESS-LEVEL ENGLISH IS ESSENTIAL. Your new company A major global financial services organization with a strong presence across...

Everhaven Securities runs one of the largest prediction markets crypto market-making operations across Kalshi, Polymarket, and other venues. We are hiring a Quantitative Developer Intern to work on a C++/Python trading platform for event-contract markets such as Kalshi and Polymarket. You will work with a small team to maintain and improve the...

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Summary Our Customer Success program is fundamental to ensuring a successful journey, solution adoption and value realization for Guidewire Customers. The Client Partner is a senior strategic business leader who interacts with the C-suite of our largest, most strategic customers to ensure the success of the customers program(s) and to advocate for their...

Help with the build-out of user tools interfacing with our flagship product. You must have hands-on experience with React and Node. This internship will give you a chance to showcase and hone your development skills while building production-ready features using the latest tools and tech including AWS, Lambda and Postgres. You will...

Work on large-scale data systems in a top financial institution Balanced role: data engineering with light software development 企業情報Our client is a leading global financial institution with a strong presence in Japan, operating sophisticated technology platforms that power complex, high-volume data environments across multiple regions....

We are a global team of innovators and pioneers dedicated to shaping the future of observability. At New Relic, we build an intelligent platform that empowers companies to thrive in an AI-first world by giving them unparalleled insight into their complex systems. As we continue to expand our global footprint, we're looking for passionate people to join...