LLM Backend Engineer Graduate (Applied Machine Learning) - 2027 Start

ByteDance; San Jose (CA); On-site; USD 128,000 - 256,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

401(k) with company match

Parental leave

Short/long-term disability

Life insurance

Wellbeing benefits

Paid holidays

Paid sick days

Paid Personal Time

Job summary

ByteDance’s Volcano Ark MaaS team is hiring a software engineer to design and develop core components for a scalable, multimodal large model service platform. The role focuses on API capabilities for text dialogue and multimodal generation within a cloud-native framework.

Candidates should have CS degrees and practical backend development experience, with knowledge of Kubernetes, Docker, Istio, and Envoy. Salary ranges reflect the competitive market in San Jose and the broader U.S.

Qualifications

• Bachelor’s or Master’s degree in Computer Science or a related discipline.
• Proficient in Golang, Java, C++, or Python with solid CS fundamentals.
• Understanding of backend systems, databases, networks, OS, and distributed systems.

Responsibilities

• Design and develop core components of the Volcano Ark MaaS platform, supporting API capabilities for text dialogue, multimodal understanding, and multimodal generation.
• Participate in cloud-native architecture evolution, including Service Mesh, load balancing, and intelligent routing; design and implement high-availability solutions.
• Perform system-level performance tuning for long connections, high throughput, streaming output, and low latency in multimodal large model inference scenarios.
• Ensure system stability for large-scale model invocation scenarios and resolve architectural bottlenecks caused by sudden traffic spikes.

Skills

Golang

Java

C++

Python

Education

Bachelor's or Master's in Computer Science or related discipline

Tools

Kubernetes

Docker

Istio

Envoy

Job description

Responsibilities

Volcano Ark is an all-in-one large model service platform launched by Volcano Engine. It is a leading platform in China's large model market by product capability and market share. The platform provides end-to-end services including model inference, evaluation, fine-tuning, AI application development, and a plugin ecosystem. Volcano Ark hosts Doubao and leading industry large models, and supports enterprise AI adoption through secure and trusted solutions as well as professional algorithm and technical services.

Volcano Ark is an all-in-one large model service platform launched by Volcano Engine. It is a leading platform in China's large model market by product capability and market share. The platform provides end-to-end services including model inference, evaluation, fine-tuning, AI application development, and a plugin ecosystem. Volcano Ark hosts Doubao and leading industry large models, and supports enterprise AI adoption through secure and trusted solutions as well as professional algorithm and technical services.

Data AML is ByteDance's machine learning platform team. It provides training and inference systems for recommendation, advertising, computer vision, speech, and NLP scenarios across products such as Douyin, Toutiao, and Xigua Video. The team also supports internal business teams with large-scale machine learning compute, explores general and innovative algorithms for business problems, and offers core machine learning and recommendation system capabilities to external enterprise customers through Volcano Engine.

We are looking for talented individuals to join our team. As a graduate, you will get opportunities to pursue bold ideas, tackle complex challenges, and unlock limitless growth.

Successful candidates must be able to commit to an onboarding date by the end of the year. Please state your availability and graduation date clearly in your resume.

Candidates can apply to a maximum of two positions and will be considered for jobs in the order you apply. The application limit is applicable to our Company and its affiliates' jobs globally. Applications will be reviewed on a rolling basis - we encourage you to apply early.

Responsibilities

• Design and develop core components of the Volcano Ark MaaS platform, supporting API capabilities for text dialogue, multimodal understanding, and multimodal generation.
• Participate in cloud-native architecture evolution, including Service Mesh, load balancing, and intelligent routing; design and implement high-availability solutions such as end-to-end grayscale release, traffic degradation, circuit breaking, and rate limiting.
• Perform system-level performance tuning for long connections, high throughput, streaming output, and low latency in multimodal large model inference scenarios.
• Ensure system stability for large-scale model invocation scenarios and resolve architectural bottlenecks caused by sudden traffic spikes.

Minimum Qualifications:

• Individuals who are completing or have recently completed a Bachelor's or Master's degree in Computer Science or a related discipline.
• Proficient in at least one programming language such as Golang, Java, C++, or Python; has practical software development experience and solid computer science fundamentals.
• Understands basic backend engineering systems, including databases, computer networks, operating systems, and distributed system principles.

Preferred Qualifications:

• Hands-on experience in server-side engineering.
• Understanding of Agent concepts and related technical implementations, such as Function Calling and MCP.
• Familiarity with cloud-native and service mesh technologies such as Kubernetes, Docker, Istio, and Envoy.
• Interest in large model inference pipelines, with relevant background knowledge.

Job Information

【For Pay Transparency】Compensation Description (Annually)

The base salary range for this position in the selected city is $128000 - $256000 annually.

Compensation may vary outside of this range depending on a number of factors, including a candidate’s qualifications, skills, competencies and experience, and location. Base pay is one part of the Total Package that is provided to compensate and recognize employees for their work, and this role may be eligible for additional discretionary bonuses/incentives, and restricted stock units.

Benefits may vary depending on the nature of employment and the country work location. Employees have day one access to medical, dental, and vision insurance, a 401(k) savings plan with company match, paid parental leave, short-term and long-term disability coverage, life insurance, wellbeing benefits, among others. Employees also receive 10 paid holidays per year, 10 paid sick days per year and 17 days of Paid Personal Time (prorated upon hire with increasing accruals by tenure).

The Company reserves the right to modify or change these benefits programs at any time, with or without notice.

For Los Angeles County (unincorporated) Candidates:

• Interacting and occasionally having unsupervised contact with internal/external clients and/or colleagues;
• Appropriately handling and managing confidential information including proprietary and trade secret information and access to information technology systems; and
• Exercising sound judgment.

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.

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 https://tinyurl.com/RA-request