Senior Backend Engineer – Global Payment

ByteDance; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

ByteDance is seeking a senior backend engineer for the Global Payment team to design and develop scalable payment systems, including account membership, merchant services, wallet products, and operational platforms. You will analyze business scenarios, optimize architectures, and address performance challenges to support rapid growth.

You will contribute to system design, review code, and drive technical innovation across high-concurrency services while ensuring fund security and reliability.

Qualifications

• Minimum 5 years relevant work experience from a large-scale internet business.
• Proficient in data structures and algorithms, with strong coding practices.

Responsibilities

• Participate in the design and development of global payment systems, including account membership, merchant services, wallet products, and operational platforms.
• Conduct in-depth business scenario analysis to identify users’ payment pain points and drive product development.
• Contribute to overall system architecture design, setup, and optimization for high concurrency and reliability.
• Maintain end-to-end perspective and identify bottlenecks to improve system performance and stability.
• Drive technical innovation and research to enable fast-paced business development and product iteration.

Skills

5+ years experience

Java

Python

Golang

C++

PHP

Job description

Responsibilities

About Global Payment

The Global Payment team of ByteDance provides payment solutions - including payment acquisitions, disbursements, transaction monitoring, payment method management, foreign exchange conversion, accounting, reconciliations, and so on to ensure that our users have a smooth and secure payment experience on ByteDance platforms including TikTok.

• 1. Participate in the design and development of global payment systems, including account membership, merchant services, wallet products, and operational platforms. Take ownership of planning, architecture design, business requirement delivery, and business growth.
• 2. Conduct in-depth business scenario analysis to identify users’ payment pain points, leverage best practices in account membership, merchant services, wallet products, and operational platform design, and drive systematic product development to support rapid business growth.
• 3. Contribute to overall system architecture design, setup, and optimization. Enhance system performance and development efficiency to ensure high concurrency, reliability, maintainability, and scalability. Proactively address technical challenges during system iterations, safeguard online stability and fund security, and improve team productivity and delivery quality.
• 4. Maintain a strong end-to-end perspective and holistic system thinking. Identify shortcomings in existing systems, locate bottlenecks, and improve overall system performance and service stability.
• 5. Drive technical innovation and research to enable fast-paced business development and efficient product iteration.

Qualifications

Minimum Qualifications:

• - Minimum 5 years relevant work experience from a large-scale internet business
• - Solid computer science fundamentals, with proficiency in data structures and algorithms, and the ability to apply them flexibly to real-world problems.
• - Extensive coding and code review experience with strong coding practices. Proficient in at least one of the following: Java, Python, Golang, C++, or PHP.
• - Prior development experience in relevant business areas (account membership, merchant services, wallet products) or in systems related to marketing, payments, transactions, or user growth.

Preferred Qualifications:

• - Strong self-motivation, communication skills, organizational skills, and team spirit.
• - Fast learner with a strong sense of ownership and responsibility for products. Excellent communication skills and outstanding collaboration ability.

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.