Responsibilities
About the team:
The team is building a global one‑stop procurement platform that powers ByteDance's worldwide growth and operations. We empower buyers with AI to craft optimal procurement plans and automate execution, turning procurement data into measurable outcomes. We embrace platformization and extensibility, adopting industry best practices to enable cross‑functional collaboration and lay strong foundations for long‑term evolution.

As a Senior Backend Engineer, you will own services and systems end‑to‑end, propose sound architectures, and ensure the platform is efficient, stable, and evolvable. You'll collaborate closely with product, design, and cross‑regional engineering teams to advance platform capabilities, reliability, and developer experience, while mentoring teammates and raising the overall technical bar.

Responsibilities:
- Design, build, and evolve backend services with maintainability, scalability, and observability.
- Partner with product, design, and cross‑functional teams to ship new capabilities and improve experience.
- Improve reliability via performance analysis, tuning, and code quality initiatives.
- Mentor teammates through reviews, architecture guidance, and knowledge sharing.
- Drive mid‑to‑long‑term technical roadmaps with clear evolution strategies.
- Solve complex problems with proven approaches, and help the team tackle challenges more effectively.

Qualifications
Minimum Qualifications:
- Bachelor's degree or above in Computer Science or related fields.
- 4+ years of backend development or equivalent depth; owns systems of medium complexity and beyond.
- Proficient in Golang / Java / Python (one or more) with solid backend architecture experience.
- Familiar with messaging middleware, relational databases, and common backend patterns (idempotency, retries, rate limiting, async jobs).
- Skilled in performance analysis and tuning; understands reliability engineering and observability.

Preferred Qualifications:
- Experience building platformized products or shared services across multiple domains.
- Experience building stable and extensible distributed services
- Demonstrated technical leadership driving alignment and results in complex environments.
- Practical AI application in procurement or supply chain (recommendation, forecasting, optimization, automation).

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.

Senior Software Engineer - Procurement Platforms