Software Engineer Intern (CIS Knowledge Bank) - 2027 Fall Undergraduate/Master Intern - 2027 Start San Jose

Join us as we work together to inspire creativity and enrich life around the globe.

Location:

San Jose

Team:

Technology

Employment Type:

Intern

Job Code:

A08974A

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Responsibilities

The CIS Knowledge Bank team builds Prism and OneContext, the knowledge and context infrastructure that helps ByteDance business agents access reliable, fresh, and permission-aware enterprise context. We work on Personal Profile, Personal Knowledge Bank, and Group Knowledge Bank. The team turns documents, meetings, messages, business systems, and user feedback into structured, searchable, and continuously improving knowledge. Our systems support Lark document ingestion, knowledge extraction, retrieval, permission enforcement, evaluation, and agent workflows for scenarios such as PMO weekly reports, business Q&A, and enterprise AI assistants. We are looking for talented individuals to join us for an internship. Our internship program offers students hands‑on experience, industry exposure, and opportunities to apply their knowledge to real‑world challenges while building a strong foundation for personal and professional growth. Interns will gain practical experience, explore potential career paths, and participate in social events, learning programs, and development workshops alongside industry professionals.

Online Assessment

Candidates who pass resume screening will be invited to participate in Our Company's technical online assessment.

• Build and iterate backend services for Prism and OneContext, including knowledge ingestion, extraction, indexing, retrieval, and update workflows.
• Help transform Lark documents, meeting notes, messages, and business context into structured Knowledge Bank topics with clear provenance and access control.
• Improve retrieval quality and evaluation loops for RAG and agent workflows, including recall quality, adoption metrics, feedback processing, and observability.
• Develop internal tools, CLI/MCP interfaces, and service APIs that help agents and users query, import, and maintain knowledge safely and efficiently.
• Collaborate with product managers and engineers to turn real business scenarios into reusable Knowledge Bank capabilities.

Qualifications

• Currently pursuing a Undergraduate in Computer Science, Computer Engineering, Software Engineering or a related technical discipline.
• Solid computer science fundamentals, including data structures, algorithms, operating systems, databases, and distributed systems basics.
• Proficient in at least one general-purpose programming language such as Go, Python, TypeScript, Java, or C++.
• Interested in building reliable backend systems for LLM applications, RAG, information retrieval, data pipelines, or agent platforms.
• Able to understand ambiguous product requirements, break down engineering problems, and communicate clearly with cross-functional partners.

• Experience building evaluation, monitoring, experimentation, or feedback-loop infrastructure for AI products.
• Experience with developer tools, CLI/MCP tools, workflow automation, or AI agent frameworks.
• Strong curiosity about enterprise AI and a practical mindset for turning messy real‑world context into useful product capabilities.

Job Information

About Us

Founded in 2012, ByteDance's mission is to inspire creativity and enrich life. With a suite of more than a dozen products, including TikTok, Lemon8, CapCut and Pico as well as platforms specific to the China market, including Toutiao, Douyin, and Xigua, ByteDance has made it easier and more fun for people to connect with, consume, and create content.

Why Join ByteDance

Inspiring creativity is at the core of ByteDance's mission. Our innovative products are built to help people authentically express themselves, discover and connect – and our global, diverse teams make that possible. Together, we create value for our communities, inspire creativity and enrich life - a mission we work towards every day.

As ByteDancers, we strive to do great things with great people. We lead with curiosity, humility, and a desire to make impact in a rapidly growing tech company. By constantly iterating and fostering an "Always Day 1" mindset, we achieve meaningful breakthroughs for ourselves, our Company, and our users. When we create and grow together, the possibilities are limitless. Join us.

Diversity & Inclusion

ByteDance is committed to creating an inclusive space where employees are valued for their skills, experiences, and unique perspectives. Our platform connects people from across the globe and so does our workplace. At ByteDance, our mission is to inspire creativity and enrich life. To achieve that goal, we are committed to celebrating our diverse voices and to creating an environment that reflects the many communities we reach. We are passionate about this and hope you are too.

Reasonable Accommodation

ByteDance is committed to providing reasonable accommodations in our recruitment processes for candidates with disabilities, pregnancy, sincerely held religious beliefs or other reasons protected by applicable laws. If you need assistance or a reasonable accommodation, please reach out to us at