Senior Software Engineer, Cross Platform Applications

Senior Software Engineer, Cross Platform Applications

Senior Software Engineer, Cross Platform Applications at ByteDance. The Cross-Platform team is responsible for developing a high-performance rendering engine and a versatile application framework used across a wide range of products. These systems enable efficient, consistent, and high-quality UI development at scale. We are expanding our mission to improve developer experience and efficiency by building intelligent development tools that assist engineers working on complex cross-platform systems.

You will work closely with front-end and framework engineers to understand their workflows and build intelligent assistants, static/dynamic analyzers, and smart automation features that meaningfully improve day-to-day productivity. Your work will focus on integrating AI and machine learning into our toolchain to accelerate software development, improve code quality, and simplify engineering workflows.

Responsibilities

• Design and implement AI-powered developer tools that enhance productivity, reduce friction, and improve code quality.
• Integrate intelligent systems into existing toolchains and frameworks, supporting tasks such as code generation, diagnostics, refactoring, and performance tuning.
• Collaborate with engineers across rendering and framework domains to understand pain points and translate them into practical, AI-enhanced solutions.
• Build and maintain infrastructure for model integration, code analysis, and in-editor assistance.
• Track emerging trends in AI-assisted development and propose new tools and features that push the boundaries of developer experience.

Qualifications

• Minimum Qualifications: Bachelor’s degree in Computer Science, Electrical Engineering, or a related field, or equivalent practical experience.
• Strong programming skills in JavaScript/TypeScript and at least one systems-level language (e.g., C++, Rust, Go).
• Solid understanding of frontend or cross-platform application development.
• Familiarity with machine learning techniques, natural language processing, or LLM applications in software tooling.

• Preferred Qualifications: Master’s or Ph.D. in Computer Science, Machine Learning, or a related field.
• Experience applying AI/ML models to code-related tasks such as generation, summarization, linting, or analysis.
• Contributions to developer tooling projects (internal or open-source), especially those focused on enhancing code understanding or workflow automation.
• Knowledge of rendering pipelines or cross-platform framework architecture is a plus.
• Experience deploying and optimizing ML models in real-world applications.

About Us

Founded in 2012, ByteDance's mission is to inspire creativity and enrich life. With a suite of products including TikTok, Lemon8, CapCut, Pico, and platforms for the China market, ByteDance connects people to create and consume content.

Why Join ByteDance

Inspiring creativity is at the core of ByteDance's mission. Our innovative products help people express themselves, discover, and connect. We foster a global, diverse team and strive to create value for communities while supporting growth and impact. We embrace curiosity, humility, and an "Always Day 1" mindset to achieve meaningful breakthroughs for ourselves, our company, and our users.

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 worldwide, and so does our workplace. We are dedicated to celebrating diverse voices and creating an environment that reflects the communities we reach.

Reasonable Accommodation

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

Job Information

For Pay Transparency, compensation information is provided where applicable. The base salary range for this position in the selected city is $177,688 - $341,734 annually. Compensation may vary outside this range based on qualifications, skills, competencies, experience, and location. Base pay is part of the Total Package which may include bonuses, incentives, and restricted stock units. Benefits may vary by location and include medical, dental, and vision insurance, 401(k) with company match, paid parental leave, disability coverage, life insurance, wellbeing benefits, and paid time off.