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[Remote] Senior Software Engineer

Remote · Japan Full-time

Note: The job is a remote job and is open to candidates in USA. Pictor Labs develops AI-powered virtual staining technology for digital pathology. The Senior Software Engineer builds and maintains cloud and edge software, including web applications, APIs, and AI/ML inference services, while supporting performance, security, regulatory compliance, and reliability.

Responsibilities

  • Design and implement REST APIs and web-based applications for PictorLabs cloud services and Pictor Edge device configuration, monitoring, and management
  • Develop intuitive web UI for both cloud-based virtual staining workflows and edge device deployment and configuration
  • Build and maintain backend services that seamlessly operate across cloud (AWS) infrastructure and edge device environments
  • Design and implement efficient database schemas for cloud service management, edge device management, inference job tracking, results storage, and audit logging optimized for low latency responses
  • Architect and implement containerized AI/ML inference pipelines for deployment on both cloud infrastructure and edge devices (NVIDIA DGX hardware)
  • Isolate and address performance issues end-to-end for large pathology slide images across cloud and edge deployments
  • Implement comprehensive observability solutions including telemetry, logging, monitoring, and alerting for distributed cloud and edge deployments
  • Write clean and extensible Python, TypeScript, and Node.js code with production-grade security, scalability, and debuggability best practices
  • Ensure all software implementations meet FDA compliance requirements (21 CFR Part 11, 820) and SOC2 security standards for both cloud services and edge devices
  • Work closely with ML Engineering, ML Research, and Edge Device teams to integrate AI models into production-ready inference services
  • Participate in design reviews, code reviews, and architecture discussions to maintain high software quality standards
  • Identify performance bottlenecks in inference pipelines, cloud services, and edge-to-cloud communication. Deliver optimized solutions to address them
  • Develop and maintain comprehensive technical documentation including API specifications, deployment guides, and security documentation for regulatory submissions
  • Participate in on-call rotation, incident management, and root cause analysis to improve system reliability
  • Collaborate with QA teams to implement automated testing within CI/CD pipelines for both cloud and edge deployments

Skills

  • Bachelor's Degree in Computer Science, Engineering, Mathematics, or related field
  • 5-7 years of software development experience building distributed systems and web applications
  • 4+ years of experience designing and implementing REST APIs and backend services in production environments
  • 3+ years of experience with AI/ML application development, including deploying and optimizing inference services
  • 4+ years of hands-on experience with Python and TypeScript/JavaScript for backend and frontend development
  • 3+ years of experience with cloud infrastructure (AWS preferred) including services such as EC2, S3, EKS, ECR, Lambda, and CloudWatch
  • 3+ years of experience with containerization technologies (Docker, Kubernetes) for both cloud and edge deployments
  • 3+ years of experience with database design and implementation (SQL and NoSQL databases)
  • 2+ years of experience developing software in regulated environments with understanding of FDA and/or SOC2 compliance requirements
  • Experience with observability platforms and tools (e.g., Prometheus, Grafana, CloudWatch, DataDog, or similar)
  • Strong understanding of DevOps practices and CI/CD pipelines
  • Experience with frontend frameworks such as React for building web-based management interfaces
  • Excellent problem-solving skills and attention to detail
  • Comfortable with ambiguity and ability to thrive in a fast-paced startup environment
  • Strong written and verbal communication skills for cross-functional collaboration
  • Master's Degree
  • Knowledge of medical imaging formats and workflows (DICOM, whole slide imaging, digital pathology)
  • Experience with edge computing architectures and hybrid cloud-edge deployments
  • Familiarity with ML frameworks such as PyTorch and TensorFlow
  • Experience with image processing,  streaming large binary data and optimizing data transfer between edge and cloud
  • Knowledge of IEC/ISO standards such as 62304, 14971, 13485, 27001, or UL 2900
  • Experience with infrastructure-as-code tools (Terraform, CloudFormation, Ansible)
  • Prior experience in healthcare technology, medical devices, or biotechnology industries
  • Experience with WebSocket or gRPC for real-time communication
  • Knowledge of cybersecurity best practices for medical device software

Benefits

  • Fully remote work in the United States and Canada

Company Overview

  • Pictor Labs, the Virtual Staining Company, replaces chemical staining with virtual staining technology that generates diagnostic-quality stains in minutes, preserving tissue so labs can get more from every sample. It was founded in 2019, and is headquartered in Los Angeles, California, USA, with a workforce of 11-50 employees. Its website is https://www.pictorlabs.ai.
  • Company H1B Sponsorship

  • PictorLabs Inc has a track record of offering H1B sponsorships, with 1 in 2026, 4 in 2025, 1 in 2024, 2 in 2022. Please note that this does not guarantee sponsorship for this specific role.
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