--- title: 'Senior Staff Algorithm Engineer, Recommendation at OKX' canonical: 'https://feeny.ai/job/senior-staff-algorithm-engineer-recommendation-okx-apac-xxny53wh4ppp' type: 'job' last_seen: '2026-09-11' --- # Senior Staff Algorithm Engineer, Recommendation at OKX - **Company:** OKX - **Location:** APAC - **Posted:** 2026-04-02 - **Last confirmed live:** 2026-09-11 - **Apply:** https://job-boards.greenhouse.io/okx/jobs/7687337003 ## Job description ## Who We Are At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking access to crypto markets. We are safe and reliable, backed by our Proof of Reserves. Across our multiple offices globally, we are united by our core principles: We Before Me, Do the Right Thing, and Get Things Done. These shared values drive our culture, shape our processes, and foster a friendly, rewarding, and diverse environment for every OK-er. OKX is part of OKG, a group that brings the value of Blockchain to users around the world, through our leading products OKX, OKX Wallet, OKLink and more. ## About the Role You will own the technical direction of OKX's next-generation social feed recommendation system — evolving it from a content feed into a unified recommendation engine that surfaces both content and platform features. Your decisions directly shape the experience of tens of millions of users and drive platform trading conversion. ## Responsibilities - Elevate the Ranking System — Drive continuous ranking model iteration with measurable impact on user retention and trading conversion - Unify User Understanding — Build a cross-domain intent framework spanning content consumption, feature usage, and search, shifting the system from "what users clicked" to "what users are trying to do" - Define the Technical Roadmap — Chart and execute a 12–24 month evolution from Transformer-based ranking toward generative recommendation (sequence generation + preference alignment) - Pioneer the Agent Paradigm — Integrate recommendation and search capabilities into an LLM Agent framework, enabling proactive intent fulfillment rather than passive content delivery ## Requirements - Background — Master's or above in CS / Math from a top university; 8+ years of experience with 5+ years in core recommendation / search roles; track record of owning end-to-end recommendation pipelines at 10M+ DAU scale - User Intent & Profiling (Core) — Experience designing unified intent representations across heterogeneous domains (content / feature / search); ability to fuse real-time behavioral signals with long-term stable preferences; hands-on experience with tiered user profile systems (cold-start → interest exploration → stable preference) - Transformer & Ranking (Core) — Deep understanding of Attention mechanisms in sequential behavior modeling and their limitations (DIN / SIM / HSTU evolution); ability to propose independent solutions under engineering constraints; proficiency in Listwise losses (ListMLE / Softmax Loss) and joint multi-candidate ranking - Multi-Task Training (Core) — Expert-level knowledge of MMoE / PLE / ESMM and gradient conflict identification and mitigation; ability to design composite loss function frameworks from scratch; proven methodology for bridging offline metrics (AUC / NDCG) and online business KPIs - Business Attribution (Core) — Hands-on Uplift Modeling experience; proficiency in Position / Selection Bias correction and prediction probability Calibration - Generative Recommendation (Strong Plus) — Understanding of Semantic Tokenization (FSQ / RQ-VAE) and conditional sequence generation; working-level knowledge of RLHF / DPO applied to recommendation systems - Recommendation & Search Agent (Strong Plus) — Engineering experience with LLM Agent frameworks (Tool Use / ReAct); ability to define the collaboration boundary between Agent-based and traditional recommendation; experience designing systems that translate natural language intent into structured retrieval requests - Engineering — Large-scale distributed training (10B+ parameter models); real-time feature engineering (Flink / Kafka); inference optimization under strict latency SLA Bonus First-author publication at RecSys / KDD / WWW | Bandit / RL production deployment | Background in fintech / crypto ## Perks & Benefits - Competitive total compensation package - L&D programs and education subsidy for employees' growth and development - Various team building programs and company events - Wellness and meal allowance - Comprehensive healthcare schemes for employees and dependants - More that we love to tell you along the process! Please note that Hong Kong is a group-level service hub, and OKX does not carry on a business of operating a virtual asset trading platform in Hong Kong. Notice: All official OKX vacancies are published on this website. While roles may appear on selected third-party platforms from time to time, information on other sites may be inaccurate or outdated. If in doubt, please apply directly through our official careers website. Information collected and processed as part of the recruitment process of any job application you choose to submit is subject to OKX's [Candidate Privacy Notice](https://www.okx.com/en-eu/help/okx-candidate-privacy-notice). ## About OKX ## Company Overview - **One-liner**: OKX is a world-leading digital asset exchange and Web3 platform offering spot and derivatives trading, a self-custody wallet, and decentralized application access to over 100 million users globally. - **Entity Type**: Private (venture-backed; last round $200M in March 2026) - **Headquarters**: Seychelles (legal entity: Aux Cayes FinTech Co. Ltd.) - **Founded**: 2017 - **Founders**: Star Xu ## Core Business - **Primary industry**: Cryptocurrency exchange, digital asset trading, Web3 infrastructure. - **Target customers**: B2C (retail traders, crypto enthusiasts) and B2B (institutions, high-frequency traders, liquidity providers). Serves both individuals and large institutions. - **Mission**: To reshape the world with crypto, contributing to every individual’s freedom, and to build a fairer, more transparent, and accessible society through blockchain technology. ## Products & Services - **Spot Trading**: Buy and sell over 300 cryptocurrencies with low fees. - **Derivatives**: Futures, options, and perpetual swaps for advanced trading strategies. - **Structured Products**: Yield-bearing products for passive income. - **OKX Wallet**: Self-custody Web3 wallet supporting dApps, DeFi, NFTs, and cross-chain swaps. - **OKX Pay**: Fiat on-ramp and payment infrastructure for seamless deposits. - **Institutional Services**: Ultra-low latency API connectivity, prime brokerage, and tailored liquidity solutions. - **Proof of Reserves**: Monthly public attestation of asset backing (1:1). ## Market Standing - **Valuation**: Not publicly disclosed. - **Key Metrics**: Over 100 million customers worldwide; 2,886 employees (as of mid-2026, +14.3% YoY); $200M total funding (venture round, March 2026). - **Notable Investors/Partners**: One undisclosed investor in the latest round. Partnerships include McLaren F1, Manchester City FC, Tribeca Film Festival. - **Growth Signals**: Expanded into Australia, Brazil, Netherlands, Singapore, and Turkey in the last year; plans to enter US, Belgium, and UAE. Active job postings: 246. Employee headcount grew 14.3% YoY. ## Competitive Advantages - **Liquidity & Low Fees**: One of the top crypto exchanges by trading volume with competitive fee structures. - **Transparency**: Monthly proof-of-reserves reports publicly verifiable. - **Security**: Multi-layer security, GSLB, distributed server clusters, and dedicated security engineering teams. - **Global Reach**: Available in over 180 countries/regions with localized support. - **Web3 Integration**: Deeply connected wallet bridging centralized and decentralized finance. ## Strategic Focus - **AI-Native Product & Engineering**: Investing heavily in AI agents, chatbots, and infrastructure for automated trading and user experience. - **Institutional Growth**: Expanding VIP relationship management, prime brokerage, and institutional-grade tools. - **Global Regulatory Compliance**: Obtaining licenses in new jurisdictions (e.g., Singapore, Turkey, Brazil) while maintaining a robust compliance center. - **Web3 Ecosystem**: Growing the OKX Wallet and dApp connectivity to drive DeFi adoption. ## Why Work Here - **Culture**: Values-driven environment with core principles: "WE before Me", "Do the right thing", and "Get things done". Emphasis on ownership, transparency, and innovation. - **Work Policy**: Hybrid/office roles across multiple global hubs (Singapore, Hong Kong, San Jose, Dubai, etc.). Remote flexibility varies by role. - **Perks**: Competitive benefits including learning budgets, team events, and the "Supernova Program" for early-career talent. Engineering teams work on cutting-edge blockchain and AI problems. - **Engineering Culture**: Strong focus on AI-native development, Rust/Java/Go, mobile infrastructure, and security. High percentage of technical roles (721 engineers, 10% of workforce). - **Growth Opportunity**: Rapidly scaling company with global expansion, offering cross-functional mobility and exposure to senior leadership. ## Sources 1. [okx.com - About & Careers](https://www.okx.com/en-us/join-us) 2. [LinkedIn - OKX Company Page](https://www.linkedin.com/company/okxofficial/jobs) 3. [Greenhouse - OKX Job Board](https://job-boards.greenhouse.io/okx) 4. 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