performance engineer の求人

About Cogent

Cogent Labs, an AI startup based in Tokyo, has been at the forefront of AI innovation for a decade since 2014. Our journey has been marked by rapid growth and cutting-edge technological advancements, making us a prime destination for ambitious professionals seeking to make a real world impact in solving a wide range of business problems.

Our flagship product, SmartRead, has revolutionized document processing with its advanced AI based automated document processing capabilities. Building on this success, we're expanding our portfolio with SmartFind, which uses conversational interface like Chat GPT, and workflow automation tools in 2025. What sets us apart is our commitment in developing in-house, cutting-edge AI technology including proprietary large document models.

At Cogent Labs, we foster a culture of ownership and teamwork like a professional sports team. We are a meritocratic, results-driven team, looking for a self-starter and highly motivated individuals who thrive on challenges in a closely collaborating team environment.

Job Summary

Cogent Labs is looking for an experienced and dynamic engineer to help build and enhance our Cloud and On-premises platforms which deliver our AI-powered products to customers.

This role is ideal for strong software engineers who have developed a passion for reliability, infrastructure, and operations as a way to improve customer satisfaction. You've probably built and run customer-facing applications, automated your way out of toil, and care deeply about both code quality and operational excellence. We're not looking for traditional Ops or DevOps profiles without significant hands-on coding experience. If your strength is in building robust systems and you enjoy working at the intersection of software engineering and infrastructure, we'd love to talk.

Responsibilities

• Effectively blend software engineering and operational expertise to ensure the reliability, scalability, and performance of our cloud and on-premises product platforms.
• Troubleshoot and resolve complex issues across code, database, and infrastructure, ensuring seamless platform operation and improving product quality.
• Collaborate with machine learning engineers, product managers, and quality assurance to resolve pain-points, automate toil, and improve overall developer experience.
• Balance innovation and stability through thoughtful use of SLOs and error budgets, mitigating risk effectively while embracing and facilitating change.
• Contribute to process improvements and drive strategic initiatives to help all engineers in the company be more effective, knowledgeable, and happier.

Required experience

• Excellent problem-solving and communication skills, with the ability to debug and discuss complex issues
• 2+ years experience developing products/applications in NodeJS, Python, or Golang
• 2+ years experience roles similar to Site Reliability Engineering (SRE), DevOps, or Cloud Infrastructure
• Hands-on experience with kubernetes
• Experience with, and interest in, at least some of the following:
  • Amazon Web Services (AWS) or Google Cloud Platform (GCP)
  • Terraform or other infrastructure-as-code (IaC)
  • CI/CD with tools like Github Actions and ArgoCD
  • Monitoring and alerting, using prometheus and the grafana ecosystem
  • Software and infrastructure security practices
  • Troubleshooting in linux (e.g. disk, networking, logs)

Nice-to-have experience

• Leadership in a team with similar responsibilities to those described above
• Deploying applications to remote on-premises / air-gapped environments
• Working with machine learning teams and technology
• Japanese language proficiency

Team culture

The Cogent Labs engineering department is continuously working towards developing a culture improving and rewarding the following qualities:

• Team effort: A cohesive team can be more effective than an isolated prodigy. Engineers are expected to work well in groups and look for opportunities to empower their colleagues.
• Ownership: Take full responsibility for your own projects and tasks and if needed, cross over boundaries in order to successfully deliver your project.
• Self-improvement: Create an environment where engineers can focus on their engineering tasks and self-improvement without excessive outside disturbances.
• Experimentation: Engineers should have some freedom in experimenting with new ideas and technologies, as this ultimately could translate into building better products or the creation of valuable new IP.
• Quality & Excellence: Maintaining a mindset of developing high quality features and code. We avoid cutting corners as much as possible.
• Customer Service: Being customer focused, not only externally but internally as well. This means developing services that not only improve the experience of our end customers, but also being ‘customer service' oriented within your team and the company as a whole by helping out others and sharing knowledge.

The ideal candidate:

• Can empathize Cogent Labs' VISION and MISSION.
• Is a team player who aims for higher goals.
• Has integrity and humility, and shows respect and gratitude to others.
• Prefers open and transparent communication.
• Has a strong growth mindset.
• Can receive feedback positively and provide constructive feedback to others.

What we offer

• Competitive Salary - Based on skills and experience
• Performance bonus eligibility twice a year
• Stock Option

Benefits

• Visa Sponsorship
• Free in-office breakfast, coffee, tea, drinks and snacks
• Subsidized language training
• Subsidized gym membership
• Monthly commute expense
• Japanese Social Security - all applicable (Health Insurance, Pension, employment insurance etc.)
• DC (Definitive Contribution) pension plan
• Maternity leave, childcare leave (including male employees)
• Yearly health checkup
• Paid Holiday - Maximum 20 days per year (additional Congratulatory, Bereavement leaves available)

Working Conditions

• Employment Type : Full-time employee
• Work Location : Minato-ku, Tokyo (change not expected)
• Scope of Work : Work as specified by the company
• Employment Period : Permanent (not fixed term)
• Probation Period : 3 months
• Salary
  Annual salary (Total Target Cash Compensation) : 8.0 million yen to 11.5 million yen
  Details: Monthly salary : 583,335 yen to 833,335 yen
  Base salary 431,600 yen + fixed overtime pay [for 45 hours] 151,735 yen
  Base salary 541,456 yen + fixed overtime allowance [for 45 hours] 190,356 yen + fixed late night work allowance [for 20 hours] 101,523 yen
  ※Additional overtime pay will be provided for hours worked beyond 45 hours / 20 hours [late night].
  ※Base salary will be determined based on experience and ability
  ※Performance-based bonuses are provided twice a year
  ※Commuting Allowance are paid separately
• Working hours - Basic working hours 9:00 a.m. to 6:00 p.m. Break - 12:00 p.m. to 1:00 p.m. (60 minutes)
• Holidays - Saturdays, Sundays, national holidays, and year-end and New Year holidays
• Paid leave - Up to 20 days per year (separate bereavement leave available)
• Smoking area - Separated in the building