Source Job

• Owns the technical direction for large-scale machine learning models, guiding the development of advanced deep learning architectures and high-impact ML systems.
• Partners with leadership to define ML roadmaps, drive innovation in scalable model design and training approaches.
• Ensures efficient, reliable deployment of ML models in production and mentors the team’s technical capabilities.

Reddit is a community-driven platform where users submit, vote, and comment on topics of interest. With over 100,000 active communities and approximately 126 million daily active unique visitors, it is one of the internet’s largest sources of information.

• Drive the strategy, development, and deployment of machine learning models that detect and prevent harmful content and behavior at scale.
• Lead and grow a high-performing Safety ML organization, including applied research, model development, productionization, and continuous improvement.
• Develop and deploy cutting-edge Safety ML systems (including fine-tuned LLMs and transformer models) that outperform state-of-the-art solutions in quality, latency, and efficiency.

Reddit is a community of communities built on shared interests, passion, and trust, and is home to conversations on the internet. With 100,000+ active communities and approximately 126 million daily active unique visitors, Reddit is one of the internet’s largest sources of information.

• Lead and nurture a growing team of machine learning engineers, supporting their career development through coaching and mentorship.
• Collaborate with the CTO, Platform and Product Managers to align team priorities with company OKRs.
• Drive the development and deployment of ML systems, optimising tools and infrastructure for efficiency, while ensuring timeline and goals are met.

Mimica empowers enterprises, teams, and individuals to reclaim their most precious resource — time — and work more efficiently. It is a 45-person team of Senior+ engineers and Product leaders who prioritise product impact over mere headcount.

• Define the long-term roadmap for foundational "content understanding" signals used across the platform.
• Act as the primary bridge between the MLE team and downstream consumers to improve personalization and brand safety.
• Lead the strategy for high-quality training data, including the use of HITL workflows and modern automated evaluation techniques.

Reddit is a community of communities, built on shared interests, passion, and trust. It is home to open and authentic conversations, where users submit, vote, and comment on topics they care about, boasting over 100,000 active communities and approximately 126 million daily active unique visitors.

• Collaborate with engineering and cross-functional teams to translate business problems into an ML product roadmap.
• Contribute hands-on technical expertise as a player-coach, providing strategic direction and mentorship to the team.
• Establish an engineering setup enabling rapid iteration, experimentation, and deployment of models, fostering operational excellence.

Twilio is shaping the future of communications by delivering innovative solutions to hundreds of thousands of businesses. They empower millions of developers worldwide to craft personalized customer experiences, emphasizing a remote-first culture with a vibrant and globally inclusive team.

• Develop AI systems that automate dispute and chargeback handling using structured evidence and business logic, creating a better experience for our customers.
• Build models that automate refunds, getting money back to our customers faster.
• Build and maintain evidence extraction pipelines that process unstructured data using LLM-powered workflows to produce structured, actionable outputs.

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. They are a remote-first company with competitive benefits and focus on an inclusive interview experience.

• Lead AI strategy and execution, integrating AI into core products and accelerating development workflows.
• Architect and build complex, scalable systems and AI-driven features using technologies like Python, Java, AWS, and GCP.
• Provide technical leadership, mentorship, and cross-functional collaboration to solve complex problems and drive successful outcomes.

Tebra provides an all-in-one EHR+ platform designed exclusively for independent healthcare practices to connect EHR software, billing, automation, telehealth, and marketing. The company serves over 42,000 private practices and fosters a culture of entrepreneurship, customer focus, simplicity, teamwork, and celebration.

• Own the full ML lifecycle, taking projects from ideation to production, including feature engineering, model selection, deployment, and model observability and evaluation.
• Translate business needs into ML solutions, gathering product requirements and translating them into robust ML system design requirements.
• Build recommendation and ranking systems, architecting and launching ranking and recommendation infrastructure from scratch, initially via integrated off-the-shelf models, and evolving to targeted and customized solutions in the long term.

Affinity's Relationship Intelligence platform empowers dealmakers to find, manage, and close more deals. It has more than 3,000 customers worldwide and is backed by Silicon Valley firms, with $120M raised, also receiving Inc. and Fortune Best Workplaces awards.

• Own the model lifecycle: requirements, experimentation, model development, evaluation.
• Translate complex fraud patterns into well-framed ML solutions: defining what to model, what success looks like.
• Monitor model quality in production, tracking performance over time, detecting data drift, and determining when to retrain.

Extend is revolutionizing the post-purchase experience for retailers and their customers by providing merchants with AI-driven solutions. They work with more than 1,000 leading merchant partners across industries and are backed by some of the most prominent technology investors in the industry.

• Spearhead the development and maintenance of robust ML Ops processes to streamline model deployment, monitoring, and management.
• Design and refine machine learning models tailored to the retail industry, enhancing our predictive capabilities and market understanding.
• Lead the creation of a Model Workbench platform that enables marketers to easily interact with and utilize machine learning models.

Zeta Global is an AI-Powered Marketing Cloud that leverages AI and consumer signals to help marketers acquire, grow, and retain customers. They unify identity, intelligence, and omnichannel activation into a single platform and have offices around the world.

• Serve as the primary resource for internal AI initiatives, bridging Product, Engineering, Data, and GTM teams to prioritize high-impact opportunities and build the AI PD Operations roadmap.
• Build and lead a high-performing AI PD Ops organization, designing and implementing AI-enabled workflow automations to reduce cycle times across Product Delivery teams.
• Define and monitor AI adoption, performance, and ROI metrics while ensuring all tools and workflows align with governance, security, and compliance standards.

Engine is transforming business travel into something personalized, rewarding, and simple by building a platform that brings together corporate travel, a powerful charge card, and modern spend management in one place. The company is cash flow positive with rapid growth, supporting over 20,000 companies and 1 million travelers, and has been recognized as one of the fastest-growing travel and fintech platforms in North America with a culture of innovation.

• Define, drive, design, and build/ship end-to-end solutions that solve real customer problems.
• Contribute to the end-to-end AI/ML software development lifecycle, ensuring reproducible research.
• Drive architecture, design, and delivery of advanced ML systems in the Product R&D team.

Kinaxis is a global leader in modern supply chain orchestration. Known for its AI-infused platform and transparency across end-to-end supply chains, Kinaxis helps customers make faster, better decisions. The company has over 2000 employees worldwide and is recognized with Top Employer awards.

• Lead the team and oversee operating model, from project inception to evaluation and maintenance.
• Partner with product and engineering teams across the Buyers Edge Platform organization to determine and deploy data science and AI applications.
• Use proprietary and external data sources to build forecasting, anomaly detection, and decision-support capabilities.

Buyers Edge Platform revolutionizes the foodservice industry through technology, purchasing power and partnerships. With a diverse portfolio of over a dozen brands, they are dedicated to empowering stakeholders across the entire foodservice ecosystem with efficiency and unprecedented visibility.

• Partner directly with enterprise customers to deeply understand their workflows, challenges, and goals.
• Translate complex customer needs into clear, structured AI solution plans using Unframe’s platform.
• Own end-to-end delivery of AI-powered projects alongside engineers and AI specialists.

Unframe is an AI-first startup that helps enterprises bring LLM-powered applications to life quickly. They've raised $100M in Series B funding and are backed by Bessemer, Craft, and TLV Partners, working with Fortune 500 customers globally.

• Develop and execute the engineering strategy for new product initiatives, aligning with company priorities and customer needs.
• Recruit, grow, and inspire high-performing engineering organizations, fostering a culture of ownership and innovation.
• Guide architectural decisions, balancing speed, scalability, and maintainability, while driving alignment across teams.

CaptivateIQ is transforming how companies plan, manage, and optimize sales performance by revolutionizing incentive compensation management and expanding its platform to solve enterprise performance management challenges. Backed by top-tier investors, they empower high-growth companies with the flexibility and insights to drive revenue performance.