Backend Engineer, Agent Development - AI Lab (AILAB)
JPY 8000K-14000K (estimate) Senior-level Full Time
Tasks
- Build backend services for conversational commerce agents
- Build evaluation and observability for commerce outcomes
- Collaborate with product and trust safety teams to ship agents
- Design transactional safety for agent actions
- Implement grounding with live catalog retrieval
- Optimize latency and unit economics
- Own commerce tool layer
Perks/Benefits
- N/A
Skills/Tech-stack
A/B | A/B Testing | Async architecture | B testing | CI/CD | Concurrency | Containerization | Distributed Systems | Distributed tracing | Ecommerce | Event Driven | Event-driven architecture | Fraud Detection | Function Calling | Go | Idempotency | Infrastructure as Code | Java | Kubernetes | LLM | Machine Learning | Multi Turn State Management | Multi turn state | Orchestration | Personalization | Python | Queues | Recommendation Systems | Search | State management | Tool/function calling | “as-code”
Education
N/A
Roles
Related jobs
-
A/B | A/B Testing | B testing | CI/CD | ContainerizationHybrid remote workSenior-level Full TimeShibuya, Japan R3h ago
-
Bash | Cloud platform | Data Processing | Docker | Google CloudAsynchronous culture | Friendly laid-back atmosphere | Opportunity for impact | Remote/distributed workMid-level Full TimeTokyo, Japan10h ago
-
Sales Engineer - Enterprise JPY 9815K-12000KAI | AWS | Application Performance Monitoring | Application performance | Cloud platformCareer pathing | Community guilds and inclusion talks | Employee stock purchase plan | Hybrid work | Mentor and buddy programMid-level Full TimeTokyo, Japan R14h ago
-
ソフトウェアエンジニア・In-Cabin Perception JPY 2760K-5268KAWS | Agile | C++ | CAN | CI/CDAnnual paid leave | Flexible working hours | Housing allowance | Language learning | Rental car supportMid-level Full Time東京都中央区16h ago
-
Software Engineer, In-Cabin Perception JPY 3876K-5880KAWS | Agile | C++ | CAN | CI/CDHybrid work policy Google Meet interviewsMid-level Full TimeTokyo R16h ago
-
R&D-025 Service Robot System Engineer JPY 3876K-5880KAction models | C++ | Data collection | Fleet Management | Isaac SimCareer development | Engage in academic activities | Publishing research papersSenior-level Full TimeHeiwajima, Tokyo, Japan1d ago
-
Forward-Deployed Data Scientist JPY 8000K-10250KAirflow | CI/CD | CatBoost | Code review | ETLDisability insurance | Donation matching | Employee stock purchase plans | Equal Paid Parental Leave | Flexible paid time offMid-level Full TimeTokyo3d ago
-
APIs | Agent systems | Cloud platform | Cost Optimization | CrewAIMid-level Full TimeTokyo, Japan3d ago
-
Mid-level Full TimeAmbattur, Chennai; Coimbatore, Tamil Nadu, India; …3d ago
-
ACL | Ansible | BACnet | BGP | CIP EtherNet IPJapanese and English proficiency | On-call rotation | Travel opportunities | Weekend and after hours supportMid-level Full Time日本3d ago
-
Senior AI Engineer - LLM Adoption Department (LLMAD) JPY 8600K-14000KAPI Integration | Agentic AI | Backend Development | Caching | Context engineeringSenior-level Full TimeRakuten Crimson House, Japan3d ago
-
Sr. Technical Solutions Engineer - Platform (Support) JPY 8500K-12000KAWS | Azure | Big Data | Distributed Computing | GCPInternal training programs | On-call rotationSenior-level Full TimeTokyo, Japan4d ago
-
AI Engineer - LLM Adoption Department (LLMAD) JPY 8600K-14000KAPI Integration | Agent workflows | Backend Development | Cost Optimization | Evaluation FrameworksSenior-level Full TimeRakuten Crimson House, Japan4d ago
-
Senior AI Agent Engineer - AI Agent Development Section, Business Support Development Department (BSD) JPY 8000K-14000KChain-of-Thought | CrewAI | Java | LLM orchestration | LangchainSenior-level Full TimeRakuten Crimson House, Japan4d ago
-
Product Engineer, Applied AI JPY 8600K-9700KAI Safety | AI reliability | API Integration | Enterprise Solutions | LLM integrationFlexible working hours | Generous vacation | Optional equity donation matching | Parental leaveMid-level Full TimeTokyo, Japan R5d ago
-
Embedded SWE, AD/ADAS Architecture Design JPY 6850K-11000KC# | C++ | Java | JavaScript | POSIXHybrid work scheduleSenior-level Full TimeTokyo R6d ago
-
Bash | Cloud platform | Data Processing | Docker | Google CloudAsynchronous culture | Entrepreneurial team | Friendly work environment | Work on high-impact productMid-level Full TimeOsaka, Japan6d ago
-
Bash | Data Processing | Docker | GCP | Infrastructure as CodeAsynchronous work culture | Remote friendly distributed environment | Supportive entrepreneurial teamMid-level Full TimeKochi, India6d ago
-
Bash | Cloud platform | Data Processing | Docker | Google CloudAsynchronous culture | Friendly work environment | Hands-off management | Remote or distributed workMid-level Full TimeFukuoka, Japan6d ago
-
DevOps Engineer - Conversational Experiences Department (CXD) JPY 6000K-10000KAWS | Ansible | Azure | Docker | ELKEntry-level Full TimeRakuten Crimson House, Japan6d ago
-
AI Engineer JPY 7500K-12000KChatGPT | Cloud PubSub | Cloud Storage | Datadog | Deep learningBook purchase support | Conference participation support | Full remote | Learning SupportMid-level Full TimeTokyo R8d ago
-
Automation | Cause analysis | Data Modeling | Data Quality | Data modelsPlatinum customer supportSenior-level Full TimeTokyo10d ago
-
Software Engineer - Experimentation System - Mercari JPY 8600K-9700KA/B | A/B Testing | API Design | Allocation Optimization | B testingFlexible work hours | No core timeSenior-level Full TimeMinato City, Tokyo, Japan10d ago
-
Senior Data Scientist - AI Agent Development Section, Business Support Development Department (BSD) JPY 8000K-12500KAWS | Cloud Computing | Cloud platform | Data Analysis | Deep learningBusiness-level language support | Mentoring opportunitiesSenior-level Full TimeRakuten Crimson House, Japan11d ago
-
Senior-level Full TimeKochi, IN13d ago