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Software Engineer (Japan Contract)

Lazarus

Lazarus

Software Engineering
Tokyo, Japan
JPY 6,568-8,490 / hour
Posted on Apr 2, 2026

We help organizations move AI out of experimentation and into production — safely, reliably, and at scale. From inconsistent performance to limited transparency and challenges with integration and long-term viability, our Applied Intelligence Engine solves the risks that cause most AI initiatives to stall.

Built for some of the most highly regulated industries in the world, we enable teams to deploy AI systems that are auditable, explainable, and aligned with real-world constraints. Our solutions introduce structure, visibility, and control into how AI operates, turning advanced capabilities into a dependable, production-grade infrastructure so our customers can move faster and scale with confidence.

Contractor Details

  • Duration: 1 year
  • Working location: Remote, Japan-based
  • Hourly rate: ~6,568 JPY - ~8,490 JPY ($41/hour - $53/hour)
  • Expected hours: 30-40 hours/week

Job Overview

Lazarus is seeking an experienced Software Engineer to join our team dedicated to our Japanese market for a 1-year contract. As a contractor, you will be an integral part of our Engineering team, working with clients, senior engineers, and data engineers to facilitate the successful and efficient adoption of our solutions.

Responsibilities

  • Work with the engineering and sales teams to gather client requirements and assist in creating implementation plans.
  • Assist in configuring and customizing our products to align with client needs and integrate into their existing systems and solutions.
  • Participate in the end-to-end implementation process, ensuring timely project completion and client satisfaction.
  • Troubleshoot technical issues and collaborate with engineers to provide effective solutions during the implementation phase.
  • Document implementation processes, best practices, and solutions for internal knowledge sharing and client reference.
  • Work closely with cross-functional teams, including prompt-engineering, sales, support, and development, to ensure efficient and successful customer solution delivery.
  • Provide training and technical assistance to clients, guiding them through product functionalities and usage.
  • Work with clients and partners to develop optimal prompts for their use cases.
  • Continuous learning regarding how LLM’s and associated tools may improve existing and new solutions.

Requirements

  • Must be a native Japanese speaker with full working proficiency in reading and writing.
  • Basic proficiency in spoken and written English.
  • 1-2 years of experience in a technical role, such as technical support, systems administration, software development, or related internships.
  • Available for video conferences with customers across North American and Asian time zones, including occasional evening calls as needed.
  • Knowledge of programming languages, scripting, and system configurations.
  • Familiarity with cloud technologies, APIs, and database management.
  • Proven familiarity with LLMs and prompt engineering strategies and tactics.
  • Problem-solving skills and a proactive attitude towards learning and troubleshooting.
  • Excellent communication skills to effectively interact with clients and internal teams.
  • Ability to work collaboratively in a fast-paced environment, adapting to evolving client needs and project requirements.

Lazarus AI is an equal opportunity employer. We are committed to equal employment opportunity and nondiscrimination for all employees and qualified applicants without regard to a person's race, color, gender, age, religion, national origin, ancestry, disability, veteran status, genetic information, sexual orientation or any characteristic protected under applicable law. We do not tolerate discrimination or harassment of any kind. This applies to every aspect of employment at Lazarus, including, but not limited to, employment, training, promotion, demotion, transfer, leaves of absence and termination.