Backend Software Engineer Intern (Global LIVE Transaction) - 2027 Start Singapore Technology - [...]

TikTok; Singapore; On-site; SGD 17,000 - 23,000; Full time

Job summary

TikTok is offering an internship to work on real‑time, high‑performance live streaming infrastructure. You will collaborate with product managers to deliver features that power the live streaming experience for creators and audiences globally.

We seek motivated undergraduates in software development or related fields who can contribute to large-scale systems. Interns gain hands-on experience, industry exposure, and opportunities to participate in assessments and workshops while applying

Qualifications

• Currently pursuing an undergraduate degree in software development, CS or computer engineering.
• Proficient in at least one language: Go, Python, Java or C++.
• Deep understanding of data structures and algorithms; knowledge of databases and messaging systems.

Responsibilities

• Collaborate with cross-functional teams to improve TikTok Wallet and in-app payment system for stability and scalability.
• Design and optimize system architecture for high stability, performance and reliability.
• Develop large-scale software components powering the TikTok app.

Skills

Go

Python

Java

C++

Data Structures

Algorithms

Education

Undergraduate in Software Development / CS / Computer Engineering

Tools

MySQL

Redis

Kafka

Job description

Discover a career that energizes and excites you every day.

@2026 TikTok

Location:

Employment Type:

Intern

Job Code:

A189308

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Responsibilities

With the enormous growth of live streaming in recent years, our mission is to inspire real-time interactions and help live streamers connect to people from all corners of the globe.We are looking for passionate and talented engineers to join us to build and optimize a real-time, high-performance, large-scale distributed infrastructure for live streaming in TikTok. You will be deeply involved in the developmental lifecycle of critical product features and collaborate closely with product managers to deliver the best live streaming experience for all live streamers and audience alike.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.Candidates may apply to a maximum of two positions across Our Company and its affiliates globally. Applications will be considered in the order they are submitted.Applications are reviewed on a rolling basis, so we encourage you to apply early. Please clearly state your availability in your resume, including your start and end dates.Candidates who pass resume screening will be invited to participate in Our Company's technical online assessment.

Responsibilities:

• 1. Collaborate with multiple cross-functional teams to continuously improve TikTok Wallet and payment system to create a stable, agile and robust in‑app wallet system
• 2. Improve system design and architecture to ensure high stability, performance and reliability of the product.
• 3. Develop large-scale software systems that powers TikTok app.

Qualifications

Minimum Qualifications- Currently pursuing a Undergraduate in Software Development, Computer Science, Computer Engineering or a related engineering discipline.- Proficient in at least one of the following languages: Go, Python, Java, C++.- Deep understanding of computer architecture, data structures and algorithms in depth knowledge of common databases and messaging frameworks like MySQL/Redis/Kafka- Able to work closely with diverse stakeholders and have good communication skills- Self-driven, positive, cooperative and willing to keep learning enthusiasm at all timesPreferred Qualifications- Experience in high scalable, highly available, distributed and mission-critical systems.- Large scale client‑facing industry project development experience.

Job Information

About TikTok

TikTok is the leading destination for short‑form mobile video. At TikTok, our mission is to inspire creativity and bring joy. TikTok's global headquarters are in Los Angeles and Singapore, and we also have offices in New York City, London, Dublin, Paris, Berlin, Dubai, Jakarta, Seoul, and Tokyo.

Why Join Us

Inspiring creativity is at the core of TikTok's mission. Our innovative product is 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 bring joy - a mission we work towards every day.

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. Every challenge is an opportunity to learn and innovate as one team. We're resilient and embrace challenges as they come. 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

TikTok 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 TikTok, our mission is to inspire creativity and bring joy. 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.