Photon Logo

Photon

Principal ML Engineer - USA

Posted 12 Days Ago
Remote
Hiring Remotely in United States
48K-168K Annually
Senior level
Remote
Hiring Remotely in United States
48K-168K Annually
Senior level
Lead development of scalable AI/ML capabilities for Mail Intelligence: build LLM- and ML-based personalization, data pipelines, tools, and observability. Mentor engineers, collaborate cross-functionally, run A/B tests, implement feedback loops, and balance cost/quality/speed tradeoffs to deliver production-grade solutions.
The summary above was generated by AI
Greetings Everyone

Who are we? 

For the past 20 years, we have powered many Digital Experiences for the Fortune 500. Since 1999, we have grown from a few people to more than 4000 team members across the globe that are engaged in various Digital Modernization. For a brief 1 minute video about us, you can check https://youtu.be/uJWBWQZEA6o.

About the team:

The Mail Intelligence AI/ML platform is dedicated to developing scalable, intelligent capabilities that uncover user interests, reveal habits, and personalize journeys within Mail and the broader ecosystem. We seek innovative, entrepreneurial engineers who are passionate about delivering top-tier solutions. Your passion and ownership mindset are as vital as the high engineering standards, code quality, and architectural excellence we uphold. We leverage cutting-edge algorithms, including natural language processing, generative AI, large language models, and machine learning, to process billions of mail messages. This enables us to extract information, build mail content, enhance user knowledge, and connect diverse data sources to highlight and amplify key insights.

Our work presents rewarding technical challenges for high-caliber engineers eager to tackle impactful problems. You will develop tools and workflows to efficiently manage and utilize vast data, work on AI-based infrastructure, support new functionalities, and mine data for analytics insights and product features.

Responsibilities:

  • ​ Contribute to Mail Intelligence Mission: Support the development of AI/ML capabilities that enhance user personalization and insights.
  • ​ Innovate and Personalize: Assist in building scalable AI/ML solutions that identify user interests and habits, contributing to personalized user experiences.
  • ​ Technical Leadership: Guide and mentor a team of passionate engineers, fostering a culture of innovation and excellence. Your leadership will ensure the delivery of high-quality, user-centric solutions.
  • ​ Collaborative Development: Work with cross-functional teams to integrate new AI/ML features and improve existing platforms, ensuring smooth user interactions.
  • ​ Data-Driven Insights: Apply machine learning techniques and big data processing to derive insights from mail data, enhancing content and user knowledge.
  • ​ Tool and Workflow Development: Develop AI/ML tools and workflows to manage and utilize large datasets, supporting AI-based infrastructure and analytics.
  • ​ A/B Testing and Analysis: Run regular A/B tests, gather data, and draw conclusions on the impact of your models.
  • ​ Commitment to Excellence: Maintain high engineering standards, focusing on code quality and architectural skills, while delivering optimal user experiences.
  • ​ Feedback and Recovery: Implement feedback loops and recovery paths to handle AI failures gracefully, ensuring user satisfaction.
  • ​ Balance Tradeoffs: Manage cost, quality, and speed tradeoffs in AI/ML solutions to optimize performance.

A lot about YOU

  • ​ Educational Background: You have a strong foundation in computer science, data science, or a related field, with a focus on machine learning and AI technologies.
  • ​ Technical Skills: Proficient in programming languages such as Python or Java and machine learning frameworks like TensorFlow, PyTorch, and Scikit-learn. Skilled with AI tools such as Cursor, Copilot, and Claude.
  • ​ AI Skills: Advanced AI skills, including experience with AI development tools and frameworks.
  • ​ Problem-Solving Ability: You possess strong analytical skills and a knack for solving complex problems using data-driven approaches.
  • ​ Collaboration: You are a team player who can work effectively with cross-functional teams, including tech leads and architects, to deliver high-quality solutions.
  • ​ Passion for Innovation: You are enthusiastic about leveraging AI/ML to drive innovation and enhance user experiences across the broader ecosystem.
  • ​ Attention to Detail: You maintain high standards for code quality and are committed to delivering robust, scalable solutions.
  • ​ Continuous Learning: You are eager to stay updated with the latest advancements in AI/ML and apply them to improve products and services.

Qualifications

  • ​ Educational Requirement: Bachelor's degree in Computer Science, Data Science, or a related field; a Master's degree is a plus.
  • ​ Experience: 8+ years of experience in machine learning, data analysis, or a related field.
  • ​ Technical Proficiency: Expertise in Python, Java, or C++ and machine learning frameworks like TensorFlow, PyTorch, and Scikit-learn. Skilled with AI tools such as Cursor, Copilot, and Claude.
  • ​ Data and Infrastructure: Proficient in big data technologies (Hadoop, Spark) and modern ML infrastructure (Airflow, MLFlow, feature stores, vector databases, CI/CD for ML).
  • ​ Generative AI and Optimization: Hands-on experience with LLMs, generative AI (prompt engineering, Agent frameworks, fine-tuning, RAG, LLMOps), and GPU optimizations.
  • ​ Observability and Feedback: Familiar with observability, telemetry, and user feedback loops for product improvement.
  • ​ Algorithm Knowledge: Solid understanding of machine learning algorithms, natural language processing, and data mining techniques.
  • ​ Problem-Solving Skills: Demonstrated ability to solve complex problems and implement efficient, scalable solutions.
  • ​ Collaboration Skills: Ability to work effectively in a team environment and collaborate with tech leads, architects, and cross-functional teams.
  • ​ Communication Skills: Strong verbal and written communication skills to articulate complex technical concepts to non-technical stakeholders.
  • ​ Continuous Improvement: Eagerness to learn and adapt to new technologies and methodologies in the AI/ML domain.

Preferred Qualifications

  • ​ Mail Experience: Prior experience working with email systems or related technologies is a plus.
  • ​ Personal Attributes: Self-driven and detail-oriented, with a passion for tackling challenges. Strong teamwork spirit, excellent communication skills, and the ability to multitask and manage expectations effectively.
  • ​ Cloud Experience: Experience with public cloud platforms, especially Google Cloud Platform (GCP), is preferred.

Compensation, Benefits and Duration

Minimum Compensation: USD 48,000
Maximum Compensation: USD 168,000
Compensation is based on actual experience and qualifications of the candidate. The above is a reasonable and a good faith estimate for the role.
Medical, vision, and dental benefits, 401k retirement plan, variable pay/incentives, paid time off, and paid holidays are available for full time employees.
This position is available for independent contractors
No applications will be considered if received more than 120 days after the date of this post

Similar Jobs

4 Minutes Ago
In-Office or Remote
Senior level
Senior level
Artificial Intelligence • Cloud • Software • Big Data Analytics
Embed with strategic customers to prototype, build, and productionize full‑stack AI and agentic applications. Advise on AI strategy, codify repeatable solution patterns, mentor teams, and channel field feedback to Product to scale enterprise AI deployments.
Top Skills: Agentic SystemsApache NifiSparkAWSAzureClouderaContext EngineeringDistributed Ai WorkloadsFine-TuningFoundation ModelsGCPGenerative AiIcebergInference OptimizationLlmopsMlopsModel ServingNvidia GpusRetrieval-Augmented Generation (Rag)Semantic Search
21 Minutes Ago
Remote or Hybrid
74K-100K Annually
Senior level
74K-100K Annually
Senior level
Cloud • Fintech • Software • Business Intelligence • Consulting • Financial Services
Manage day-to-day financial reporting and month-end close for nonprofit clients, review general ledgers and balance sheets, prepare monthly reporting packages and KPIs, maintain client procedures, oversee work papers, coordinate project tasks, and assist in estimating and managing accountants' assignments and best practices development.
Top Skills: Accounting SoftwareMicrosoft Office Suite
21 Minutes Ago
Remote or Hybrid
Senior level
Senior level
Cloud • Fintech • Software • Business Intelligence • Consulting • Financial Services
Lead design and implementation of consultative and technical IT solutions for clients, manage deliverables and risks, analyze data, document work, mentor junior consultants, and drive R&D to deliver innovative solutions. Requires client-facing engagement and occasional travel.
Top Skills: Active DirectoryAzure

What you need to know about the Colorado Tech Scene

With a business-friendly climate and research universities like CU Boulder and Colorado State, Colorado has made a name for itself as a startup ecosystem. The state boasts a skilled workforce and high quality of life thanks to its affordable housing, vibrant cultural scene and unparalleled opportunities for outdoor recreation. Colorado is also home to the National Renewable Energy Laboratory, helping cement its status as a hub for renewable energy innovation.

Key Facts About Colorado Tech

  • Number of Tech Workers: 260,000; 8.5% of overall workforce (2024 CompTIA survey)
  • Major Tech Employers: Lockheed Martin, Century Link, Comcast, BAE Systems, Level 3
  • Key Industries: Software, artificial intelligence, aerospace, e-commerce, fintech, healthtech
  • Funding Landscape: $4.9 billion in VC funding in 2024 (Pitchbook)
  • Notable Investors: Access Venture Partners, Ridgeline Ventures, Techstars, Blackhorn Ventures
  • Research Centers and Universities: Colorado School of Mines, University of Colorado Boulder, University of Denver, Colorado State University, Mesa Laboratory, Space Science Institute, National Center for Atmospheric Research, National Renewable Energy Laboratory, Gottlieb Institute

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account