Research Scientist focused on designing and optimizing state-of-the-art vector indexing algorithms for large-scale similarity search, filtered search, and hybrid retrieval use cases. The role involves developing new algorithms, optimizing for performance, and collaborating with engineering teams for productionization, with a strong emphasis on academic publications and staying current with AI x systems research.

Research role focused on developing AI imaging algorithms and perceptual metrics for AR/VR products, applying perception sciences, and designing eye-tracking features. Requires advanced degree, 5+ years experience, strong background in statistics, optimization, machine learning, and computational modeling, with experience in psychophysics and user studies.

Machine Learning Engineer focused on optimizing and deploying AI algorithms on Qualcomm chips for XR devices, emphasizing low-power consumption and performance improvement. This role involves close collaboration with hardware vendors and contributing to the AI toolchain and technical ecosystem.

Machine Learning Engineer focused on NLP and Knowledge Graphs for TikTok E-commerce. Responsibilities include constructing massive product knowledge graphs to enhance feed ranking, recommendations, and ads, and collaborating with cross-functional teams on product strategies. Requires a Bachelor's degree, 3+ years of ML/NLP/CV experience, and proficiency in C++/Python/Go/Java.

Site Reliability Engineer for an Applied Machine Learning team focused on next-generation recommendation algorithms and platforms. The role involves ensuring high availability and creating automated systems for large-scale AI/recommendation systems.

Develops and optimizes high-speed network infrastructure and communication frameworks specifically for AI/LLM applications, focusing on performance, scalability, and reliability in large-scale data centers.

This role is a Finance Business Partner for Global Monetization Commerce Advertising at ByteDance. The primary responsibilities include driving financial strategy, providing oversight of ad revenue, acquisition costs, and marketing expenditures. The role involves engineering analytical models, integrating AI-driven solutions to automate data workflows, and transforming complex data into actionable insights. Key tasks include budget forecasting, execution monitoring, operational analysis of KPIs, financial modeling for product iterations and campaigns, and leveraging AI tools for process optimization and efficiency.

Security Software Engineer focused on threat detection and response (TDR) for large-scale platforms, with a specific emphasis on securing AI and LLM systems, including agent architectures. The role involves designing and building defensive frameworks, identifying attack surfaces, and ensuring the safe deployment of AI-powered products.

Finance Manager for Cloud Computing responsible for financial architecture, cost management, and financial evaluation of cloud contracts to support AI demands. This role involves commercial modeling, vendor negotiation, cost attribution, unit economics, FinOps optimization, budgeting, forecasting, capacity planning, accounting compliance, and tax strategy.

Senior Industrial Designer/Computational Designer with AI Design Engineering focus, responsible for incubating new product concepts by rapidly prototyping end-to-end user experiences that leverage emerging technologies. The role involves designing physical products as contextual nodes in a distributed AI system, prototyping both hardware and software to validate sensing, inference, feedback, and user behavior change loops. Key responsibilities include architecting AI contextual ecosystems, iterative design prototyping from 'works-like' to high-fidelity, defining sensor architecture for AI context perception, and developing a physical language for AI semantics. The role requires strong scripting/programming skills in Python and familiarity with AI-assisted workflows.

Software Engineer role focused on building and optimizing large-scale compute infrastructure (Kubernetes, Serverless) that supports AI/LLM workloads. The role involves improving system performance, developing resource management and scheduling systems, and driving standardization for efficiency and reliability. While the infrastructure supports AI, the core craft is in infrastructure engineering, not direct AI/ML model development.

Senior Software Engineer focused on building and optimizing large-scale Kubernetes-based compute infrastructure for diverse workloads, including AI and LLM applications. The role involves improving system performance, developing resource management and scheduling systems, and driving standardization for efficiency and reliability in cloud-native environments.

Senior Software Engineer role focused on building and optimizing large-scale Kubernetes and Serverless compute infrastructure that powers AI/LLM workloads. The role involves designing, improving, and managing resource orchestration, scheduling, and observability for these systems, with a focus on cost efficiency and performance. The team also contributes to open-source projects.

This role focuses on building and optimizing large-scale compute infrastructure using Kubernetes and Serverless technologies, specifically for AI and LLM workloads. The engineer will improve system performance, develop resource management systems, and enhance observability for these demanding applications.

Software Engineer role focused on building and running distributed recommendation systems, with a focus on the efficiency tools and platform for training online models and managing hardware resources. Involves research, design, development, and maintenance of software and systems, with a preference for ML framework experience.

This role focuses on developing medium- and long-term strategies for AR, VR, and AI within ByteDance's PICO XR division. The Senior XR Strategy Expert will analyze market trends, research emerging companies, and explore investment or partnership opportunities, requiring a strong understanding of technology strategy and business development, with a preference for candidates with hands-on AI experience.

Product Manager for ByteDance's Volcano Engine cloud service, focusing on building next-generation AI infrastructure, including compute instances and supporting services. Responsibilities include customer needs collection, R&D collaboration, go-to-market strategy, and roadmap management.

This role focuses on designing, implementing, and deploying high-speed network technologies specifically to support AI/LLM applications. Responsibilities include developing platforms for monitoring and diagnosing large-scale AI networks, researching and optimizing AI communication frameworks, network protocols, and host-network-application co-design for scalability and performance, and building next-generation AI network infrastructure.

The role focuses on designing and implementing algorithms for video systems, including encoding, understanding, processing, enhancement, quality metrics, delivery, and streaming. It requires strong CS fundamentals, programming skills, and experience in video-related areas, with a preference for deep learning and neural-network-based approaches.

This role is for a Camera System Architect at ByteDance's PICO Lab, focusing on AR/VR camera systems. The architect will define and own end-to-end camera solutions, driving hardware-software co-design and integrating computer vision and AI algorithms into production systems. The role requires experience in camera/imaging system development, full-cycle product development, and leveraging AI-assisted engineering tools.

The Cloud Infrastructure Architect role at ByteDance focuses on optimizing AI server costs and automating processes within the cloud supply chain system. This involves resource planning, capacity management, and architecture evolution to ensure the availability of computing resources for the company's AI business.

ByteDance Cloud Team is seeking a Technical Project Manager to manage the full lifecycle of global core cloud resource delivery, including acquisition, cost management, and risk mitigation. The role involves collaborating with various teams and suppliers to ensure efficient delivery and utilization of cloud infrastructure, supporting the company's AI initiatives.

Site Reliability Engineer responsible for managing and maintaining large-scale host infrastructure and foundational services in ByteDance's global data centers, focusing on reliability, availability, and automation.

Finance Business Partner for Global Monetization at ByteDance, responsible for financial planning, analysis, and strategic insights to support business decision-making. Requires 5+ years of experience, strong financial modeling skills, and Mandarin fluency.

ByteDance is seeking a Content Operations Specialist for their Douyin XR streaming platform in the US and international markets. The role involves end-to-end operational management, including content curation, user growth initiatives, third-party app integration, and acting as the voice of the US user to R&D and Product teams. The specialist will also analyze key metrics and report on them, and engage with local XR creators and companies. Requires 3+ years of experience in content operations or app growth, deep understanding of US pop culture and streaming trends, fluent English and Chinese, and strong execution and analytical skills. XR experience and understanding of spatial environments are preferred.

ByteDance Cloud Team is seeking a Technical Project Manager to manage the full lifecycle of global core cloud resource delivery, ensuring compliant, cost-effective, and efficient solutions. This role involves demand forecasting, resource allocation, cost management, risk mitigation, and process standardization to support the company's global AI competition.

This role is for a Supply Chain Sourcing Manager focused on CDN infrastructure services, including servers, network equipment, and logistics. Responsibilities include executing sourcing strategies, managing RFX processes, contract lifecycle, tracking quotations, maintaining price validation, assisting with supplier onboarding, and supporting TCO analysis. The role requires a strong understanding of the IDC/CDN/POP datacenter hardware supply chain and related services.

Seeking a U.S. International Tax Senior Manager to join the Tax Department, supporting a broad range of tax matters. This role involves working with domestic and non-US tax country managers and cross-functional teams to assess tax implications of ByteDance’s and its affiliates’ overall tax positions, products, business developments, and operational initiatives. Responsibilities include participating in domestic and cross-border discussions, collecting and analyzing financial data, supporting tax calculations and modeling, and developing practical, business-oriented tax guidance. The ideal candidate will possess strong technical knowledge of U.S. domestic and international tax, sound judgment, hands-on modeling capabilities, and the ability to translate complex tax concepts into clear, actionable business recommendations. This individual should be intellectually curious, execution-oriented, and comfortable operating independently in a fast-paced global environment.

Seeking a U.S. International Tax Senior Manager to join the Tax Department, supporting a broad range of tax matters. This role involves working with domestic and non-US tax country managers and cross-functional teams to assess tax implications of ByteDance’s and its affiliates’ overall tax positions, products, business developments, and operational initiatives. Responsibilities include participating in domestic and cross-border discussions, collecting and analyzing financial data, supporting tax calculations and modeling, and developing practical tax guidance. The ideal candidate will have strong technical knowledge of U.S. domestic and international tax, sound judgment, hands-on modeling capabilities, and the ability to translate complex tax concepts into clear, actionable business recommendations. The individual should be intellectually curious, execution-oriented, and comfortable operating independently in a fast-paced global environment.

Product Operations Manager for ByteDance's PICO XR platform, focusing on the Entertainment vertical (streaming video, sports, music). The role involves owning and growing content distribution, defining and executing app and content traffic strategy across PICO eco services channels, optimizing discovery mechanisms, improving conversion efficiency, and scaling global distribution capabilities. Responsibilities include managing the full content lifecycle, designing campaigns, social engagement, testing, data optimization, and cross-functional collaboration with Product, Data, Business Development, and Developer teams.

Senior Network Capacity Planning Engineer responsible for end-to-end network planning for large-scale data center and backbone networks, translating product growth and traffic patterns into multi-quarter and multi-year capacity plans, identifying risk hotspots, and driving investment and delivery priorities.

Senior Leader for Security and Safety Operations in Data Centers, responsible for implementing and enforcing security and EHS policies, overseeing physical security and EHS operations, conducting audits, and coordinating with various stakeholders. The role involves developing security strategies, managing incidents, and ensuring compliance with global safety programs and local regulations.

Seeking a US Tax Planning Manager to support a broad range of tax matters, working with US and international tax business partners, country managers, and cross-functional teams. Responsibilities include assessing tax implications of ByteDance’s and its affiliates’ overall tax positions, products, business developments, and operational initiatives. The role involves participating in domestic and cross-border discussions, collecting and analyzing financial data, supporting tax calculations and modeling, and developing practical tax guidance. Requires strong technical knowledge of US domestic and international tax, modeling capabilities, and the ability to translate complex tax concepts into clear business recommendations.

This role is for a US Tax Planning Manager responsible for assessing tax implications of business developments and operational initiatives, supporting tax calculations and modeling, and providing tax guidance. It requires strong technical knowledge of US domestic and international tax, modeling capabilities, and the ability to translate complex tax concepts into business recommendations. Fluency in Mandarin is also required.

This role is for an Overseas Offline Sales Manager for PICO's XR devices, focusing on building and managing international retail presence, distribution networks, and driving sell-through. The role involves market entry, distributor and retail partnership management, operational excellence in sales and inventory, in-store experience standardization, and stakeholder alignment with HQ and legal/compliance teams. Requires 5+ years in international offline sales or channel management in premium consumer electronics, with experience in multi-country territories and a strong results-driven mindset.

This role focuses on managing and optimizing the employee mobility lifecycle within HR operations, including immigration, relocation, and tax services. It requires expertise in HR processes and vendor management to ensure efficient and compliant operations.

ByteDance is seeking an experienced Site Reliability Engineer for their Security Engineering team in San Jose. This role involves designing and implementing security SRE frameworks, building cutting-edge SRE technologies for system deployment, upgrade, capacity planning, troubleshooting, and disaster recovery. The engineer will also focus on automation, intelligence, and monitoring of SRE infrastructure, and support cross-functional teams with security products and services. The role requires strong programming skills, experience with distributed systems, cloud-native frameworks like Kubernetes, and SRE tools.

Develop and test core functionalities of the Network Operating System (NOS) for hyperscale data center networks and AI infrastructure. Research and implement next-generation switch software for network monitoring, telemetry, load balancing, congestion control, and system reliability. Design and maintain CI/CD pipelines and automated testing frameworks.

This role focuses on optimizing AI server costs and automating processes within ByteDance's cloud infrastructure supply chain system. The goal is to ensure the availability of computing resources for the company's AI business development by managing resource planning, platform module improvements, and architecture evolution.

Seeking a Data Center Site Acquisition Manager to support global energy expertise for hyper-scale data centers. Responsibilities include leading utility and power due diligence, managing energy supply, supporting lifecycle power management, and conducting energy cost analysis. Requires 5+ years of experience in infrastructure development and acquisition with a focus on power and utility, and 3+ years managing utility agreements and energy projects.

ByteDance is seeking a Data Center Site Acquisition Manager to manage power and energy functions, including availability analysis and reliability due diligence for site expansion. The role involves working with various internal teams and external stakeholders to manage construction and service projects, focusing on utility and power due diligence, energy supply management, lifecycle power management, and energy cost analysis.

ByteDance is seeking a Data Center Site Acquisition Manager to oversee power and energy functions for their global data centers. This role involves leading utility due diligence, managing energy supply, supporting power lifecycle management, and conducting energy cost analysis. The ideal candidate will have extensive experience in real estate/tech infrastructure development, utility agreements, and energy markets, with a focus on power and reliability.

ByteDance is seeking a Network Engineer for its Global BackBone team to design, build, and operate hyperscale data-center networking solutions. The role involves driving network design, buildout projects, and operations for high availability and performance, collaborating with cross-functional teams, and managing vendor engagements. Requires expertise in large-scale global backbone network design and operation, including TE, Segment Routing, BGP, ISIS, and experience with DataCenter, Ex-Network, and POP Networks.

This role is for a researcher focused on interdisciplinary studies, economic and philosophical studies, global history, and international affairs. The responsibilities include providing analysis and recommendations through desk research, building relationships with scholars and academic institutions, and drafting reports for senior business leaders. The role requires excellent big-picture thinking, a strong academic network, teamwork, and communication skills. Preferred qualifications include a background in Philosophy, Politics, and Economics (PPE) or similar social sciences/humanities, and 5+ years of research/industry experience.

This role focuses on internal controls and risk management within a global team, ensuring compliance with laws and regulations for a fast-growing technology company. The candidate will design, implement, and assess controls, partnering with various departments to embed them into business processes while enabling agility and scalability.

Backend Software Engineer for ByteDance's Data Center Systems (DCS) platform team, focusing on building and managing tooling for data center operations, infrastructure, and resource management to provide stable, high-performance computing resources for all business lines.

This role focuses on building, scaling, and operating global infrastructure, including hyperscale data centers, cloud solutions, and foundational infrastructure services. Responsibilities include developing internal tools, automation, monitoring systems, managing cloud images, improving operational efficiency, and handling incidents. The role requires strong SRE/DevOps experience with Linux, networking, storage, and programming languages like Go or Python, along with familiarity with public cloud platforms and reliability engineering practices.

This role partners with the Data Center business to lead global projects, review policies, conduct internal control reviews, and perform risk assessments. It involves understanding business situations, analyzing data to identify high-risk areas, and providing management suggestions to optimize business processes. The role also requires utilizing data analytics tools to identify and address risks, drive process improvements, and support continuous risk monitoring. Additionally, it involves developing relationships with stakeholders, providing risk advisory support, and participating in major projects with risk assessments and process supervision.

Engineering role focused on the development and design of tunable lenses and multiphysics simulation for XR eyepiece systems, requiring a PhD in a related field and experience in optical design and FEA.

Backend Software Engineer for ByteDance's Data Center Systems (DCS) platform team. This role focuses on building and managing tooling for data center operations, including infrastructure, server delivery, asset management, and cloud/server system services. The goal is to provide stable, high-performance, and cost-effective computing resources for the company's business lines. Responsibilities include developing platforms and tools for internal/external teams, improving engineering productivity, and maintaining software. Requirements include a BS in CS or equivalent, experience with distributed systems, and specific experience in DICM, ITOM, or ITSM. GPU, big data (Hadoop/Kafka), or streaming experience is a plus.