Description
Senior Backend Engineer (AI-Native) – Aximo
Team: Incubator
Location: Tokyo
Commitment: Full-time
Workplace Type: remote
Salary:
- Reviewed twice a year
- Annual bonus included
| Global Market for QA
Markets are changing rapidly, and there is a demand for quick software releases. Agile development has become mainstream; on a global scale, 92% of developer teams adopt agile development, 71% of which aim to release at least once a week. With such a rapid cycle, manual verification is too time-consuming, and there is an urgent need for automation. Our services can solve these critical challenges and make our clients a competitive advantage in software development. QA’s global budget is said to reach over $1 trillion. We are rapidly expanding our service reach internationally to win this vast global market.
| About Us
Autify, Inc. is a San Francisco-based startup that was founded by the first Japanese team to graduate from Alchemist Accelerator, one of the top accelerators in the US. With the mission to empower people’s creativity through technology, we have been offering an AI-powered testing platform since 2019.
As AI is reshaping the software development process, we have just launched Aximo, the first AI tester that executes a test based on natural language processing and visual recognition.
| About This Role
Job Purpose
As a Senior Software Engineer focused on on-premise version of this product, you will drive the design and development of secure, scalable server-side services, AI worker processes, and a robust Remote Control Agent for desktop app testing. Your work will empower enterprise customers to deploy and operate Aximo entirely within their infrastructure while enabling high-fidelity automated testing across both web and desktop environments. You will work closely with product leads, AI/ML engineers, and site reliability teams to define architecture, solve deep system challenges, and deliver an exceptional on-premise testing solution.
Responsibilities
- Architect and implement the on-premise Aximo platform, including:
- Design and build a Remote Control Agent capable of:
- Integrate AI agent execution into on-premise workflows with observability, isolation, and security in mind
- Ensure deployment, upgrade, and configuration mechanisms operate seamlessly in self-hosted environments (e.g., air-gapped, restricted-network)
- Collaborate with cross-functional teams to iterate on product features, performance, and reliability
- Help define best practices for enterprise adoption and long-term maintainability
ー Backend services (API, orchestrators)
ーWorker processes for executing AI agents
ーSecure runtime environments for customer infrastructure
ーInteracting reliably with native Windows applications
ーSimulating user input (keyboard, mouse, window focus/control)
ーCapturing screen and UI state for automated testing
Required Qualifications
- 5+ years of software engineering experience with server-side distributed systems
- Strong expertise in backend development (Go, Rust, Node, Python, or similar)
- Experience building self-hosted or on-premise software products
- Familiarity with containerization (Docker) or packaging/distribution tooling
- Deep experience with OS-level automation/system programming, especially on Windows (UI Automation, Win32 APIs, accessibility APIs, desktop interaction)
- Solid understanding of security, sandboxing, and process isolation in distributed systems
- Heavily using coding agents and sophisticated on AI driven software development
- Proven ability to drive technical decisions and deliver high-quality software
- Strong communication skills and ability to work in a cross-disciplinary team with engineers, product managers, and AI researchers
Nice-to-Have
- Experience with test automation frameworks or products
- Experience building AI agents or software that integrates with LLMs
- Experience with AI/ML integration or agent-based systems
- Knowledge of enterprise deployment tooling (Ansible, Helm, Windows Installer, etc.)
- Experience with monitoring / observability stacks for large systems
Selection Process
1. HR interview: 30 min
2. Technical interview: 60min
3. Technical interview: 60min
4. Final interview: 45min
5. Reference check
| About the Engineering Team
Our Team
The Aximo engineering team is a small, focused, and AI-native unit dedicated to speed and innovation. We have fully adopted an AI-native development process, utilizing advanced tools and coding agents to move exceptionally fast and deliver new features every day. This small and agile team reports directly to the CEO, ensuring a streamlined process for strategic alignment and rapid execution.
Our Development Process
We deliberately break away from traditional, slow development cycles. Our process is intensely focused on rapid iteration driven by continuous customer interaction: we collect customer feedback on a daily basis, immediately translate insights into development tickets, quickly implement changes, and deploy them to production every day. This streamlined, AI-native approach ensures maximum feature velocity and direct alignment with user needs.
Tech Stack
- Backend: Ruby, Ruby on Rails, Go
- Frontend: JavaScript, TypeScript, React, Redux, Styled Components
- Machine learning: Python, PyTorch, Kubernetes, GPT-4
- Database: PostgreSQL, Redis
- Test: Appium, Selenium, WebdriverIO, Puppeteer
- Infrastructure: AWS, Docker, Terraform, Packer, MacStadium, GoogleCloud
- Monitoring: Datadog, New Relic, Sentry
- CI/CD: CircleCI, GitHub Actions
- Source code management: GitHub
- Project management: Jira
- Misc.: G Suite, Slack, Notion, Gather, Zoom, Miro, 1Password, Mixmax, Calendly, etc.
| Employment Conditions
Employment Status
- Permanent employee (Full-time)
- Probation period: 6 months after joining the company (conditions are the same as permanent employment)
Work Location
- Tokyo office or Remote in Japan
Work Hours
- Full flextime time
Note: The determination of working hours (start and end times) must be made to the extent that one's own duties (including guidance and supervision of subordinates) are properly performed and that there are no obstacles to work in terms of coordination and communication with other employees.
Bonus
- Twice a year
Holidays/PTO
- Complete a five-day workweek system (National holidays, Year-end and New Year holidays, etc.)
- Unlimited paid time off
Benefits
- Equipped with various social insurance
- Regular health checkups
- Stock option
- A laptop PC will be rented when joining the company
- Remote work allowance
- English learning support
- Skill-up support
- Visa sponsorship
- Relocation bonus
- Relocation housing support
| Resources
- Autify Aximo
- Career
- Blogs
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