Upwork

Lead Machine Learning Engineer/Scientist, Algorithms and Research

Remote

Not SpecifiedCompensation
Expert & Leadership (9+ years)Experience Level
Full TimeJob Type
UnknownVisa
Information Technology & ServicesIndustries

Requirements

Candidates should possess a proven track record designing and deploying reinforcement learning systems, particularly utilizing Monte Carlo Tree Search (MCTS) and policy/value network frameworks. They should have a deep understanding and practical experience with vector databases, graph databases, graph neural networks (GNNs), and their applications in RL, along with familiarity with search, recommendation, and decision-making systems within complex, two-sided marketplaces.

Responsibilities

The Lead Machine Learning Engineer/Scientist will design and implement reinforcement learning approaches for reasoning and planning, leveraging techniques such as Monte Carlo Tree Search (MCTS) and AlphaGo-like planning algorithms. They will integrate knowledge graphs and vector databases to enhance context-awareness and decision-making capabilities of RL systems, collaborate with trust and safety stakeholders to investigate explainability and interpretability in reinforcement learning, lead cross-functional efforts in advancing RL models from research to production, and mentor junior engineers while delivering measurable outcomes aligned with strategic goals.

Skills

Reinforcement Learning
Monte Carlo Tree Search
AlphaGo-like planning algorithms
Knowledge Graphs
Vector Databases
Decision-Making
Information Retrieval
AI and Machine Learning
Scalable Systems
Research and Development

Upwork

Online platform connecting freelancers and clients

About Upwork

Upwork connects freelancers with clients looking for various services in the gig economy, which focuses on short-term contracts instead of permanent jobs. The platform allows freelancers to create profiles that showcase their skills, while clients can post job listings for specific projects. Freelancers bid on these projects, and clients choose the best candidates based on proposals and reviews. Upwork earns revenue through service fees charged to freelancers based on their earnings, with a tiered structure that rewards long-term client relationships. The platform also offers premium memberships and additional services for enhanced visibility and access to job listings. Upwork provides tools for time tracking, invoicing, and project management, making it easier for both freelancers and clients to manage their work and payments. The goal of Upwork is to facilitate successful project completion by bridging the gap between freelancers and clients.

Key Metrics

San Francisco, CaliforniaHeadquarters
2015Year Founded
$143.8MTotal Funding
IPOCompany Stage
Consulting, Enterprise SoftwareIndustries
10,001+Employees

Benefits

Health Insurance
Unlimited Paid Time Off
401(k) Retirement Plan
401(k) Company Match
Parental Leave
Employee Stock Purchase Plan

Risks

Increased competition from Fiverr and Toptal threatens Upwork's market share.
The new Fiverr-style Project Catalog may commoditize services, reducing freelancers' perceived value.
Strategic shifts under new management may not align with current client expectations.

Differentiation

Upwork connects freelancers with clients across diverse industries, enhancing global work opportunities.
The platform offers tools like time tracking and invoicing for efficient project management.
Upwork's tiered fee structure incentivizes long-term client relationships, differentiating it from competitors.

Upsides

Upwork's acquisition of Objective AI enhances its AI capabilities for better talent matching.
The introduction of Featured Jobs increases visibility for job posts, attracting more candidates.
Upwork's recognition as the top job posting site boosts its credibility among employers.

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