2,456 Back End Developers jobs in Singapore

Responsibilities
TikTok is the leading destination for short-form mobile video. Our mission is to inspire creativity and bring joy. TikTok has global offices including Los Angeles, New York, London, Paris, Berlin, Dubai, Singapore, Jakarta, Seoul and Tokyo.
Why Join Us
At TikTok, our people are humble, intelligent, compassionate and creative. We create to inspire - for you, for us, and for more than 1 billion users on our platform. We lead with curiosity and aim for the highest, never shying away from taking calculated risks and embracing ambiguity as it comes. Here, the opportunities are limitless for those who dare to pursue bold ideas that exist just beyond the boundary of possibility. Join us and make impact happen with a career at TikTok.
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.
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
1. BS/MS Degree in Computer Science or related major.
2. Experienced in building backend services for large-scale consumer-facing applications.
3. Proficient in at least one of the following languages: Go, Python, Java, C++.
4. Deep understanding of computer architectures, data structures and algorithms.
5. Have good team communication and collaboration skills.
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.

Backend Software Engineer

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We are looking for a highly skilled Backend Software Engineer to join our team. As a Backend Software Engineer, you will be responsible for designing, developing, and maintaining scalable backend systems using Java.

Key Responsibilities:

• Design and develop scalable backend systems using Java
• Collaborate with frontend developers, product managers, and stakeholders to deliver high-quality software
• Implement RESTful APIs and ensure smooth integration with frontend and third-party services
• Optimize application performance and scalability
• Write clean, maintainable, and well-documented code
• Participate in code reviews and provide feedback to team members
• Troubleshoot and debug production issues

Requirements:

• Bachelor's degree in Computer Science, Engineering, or equivalent experience
• Strong proficiency in Java and frameworks like Spring, Spring Boot, and Hibernate
• Hands-on experience in RESTful API development
• Familiarity with databases such as MySQL, PostgreSQL, or MongoDB
• Good understanding of software development best practices and design patterns
• Proficient with version control tools like Git
• Excellent problem-solving and analytical skills

Nice to Have:

• Knowledge of unit and integration testing frameworks (JUnit, Mockito)
• Experience with containerization (Docker, Kubernetes)
• Familiarity with cloud platforms (AWS, GCP, Azure)

About the Role

Our Client is seeking a highly skilled Backend Software Engineer to help power the core infrastructure of a high-performance trading platform. You'll play a pivotal role in designing, implementing, and optimizing real-time systems that form the backbone of the order management engine. This position is ideal for engineers who thrive in performance-critical environments and want to work at the intersection of finance and cutting-edge technology.

Key Responsibilities

• Develop and maintain the core order management system, ensuring robust handling of the full order lifecycle.
• Monitor and optimize system uptime and responsiveness - target 99.9%+ availability.
• Design and implement backend services, including real-time data pipelines, websocket-based communication, asynchronous job queues, and pub-sub architectures.
• Collaborate closely with the product and trading teams to introduce new features and support expansion into new asset classes.
• Participate in the development of core trading strategies, particularly those interacting with retail order flow.
• Optimize system scalability and database performance to handle increasing data volume and low-latency needs.
• Use observability tools and analytics to monitor system health and implement data-driven performance improvements.
• Communicate clearly and regularly with stakeholders, including Chinese-speaking team members and business partners.

Key Qualifications

• 3+ years of experience as a backend software engineer or full-stack engineer with strong backend expertise.
• Degree in Computer Science, Software Engineering, or a related field.
• Proven experience working in a trading firm or similar environment with exposure to exchange integrations or trading infrastructure.
• Strong experience in Golang; candidates with a background in Rust, Python, or C++ will also be considered if they demonstrate readiness to work in Golang.
• Demonstrated experience building high-throughput, real-time systems with stringent uptime requirements.
• Familiarity with async processing, batch jobs, queueing systems, pub-sub messaging, and websockets.
• Proficient in AWS cloud infrastructure, including Terraform, Docker, and CI/CD pipeline configuration.
• Product-oriented mindset - able to approach problems from a solutions-first and business-first perspective.
• Prior exposure to financial markets, quant research, brokerage platforms, or crypto exchanges is a strong plus.
• Must be comfortable working closely with Chinese-speaking stakeholders; Mandarin proficiency is preferred.

What We Offer

• Competitive compensation
• Flexible remote work environment
• Opportunity to work on cutting-edge trading systems
• Collaborative team culture focused on innovation and performance
• Exposure to multi-asset class trading and financial technology at scale

Responsibilities
TikTok is the leading destination for short-form mobile video. Our mission is to inspire creativity and bring joy. TikTok has global offices including Los Angeles, New York, London, Paris, Berlin, Dubai, Singapore, Jakarta, Seoul and Tokyo.
Why Join Us
Creation is the core of TikTok's purpose. Our platform is built to help imaginations thrive. This is doubly true of the teams that make TikTok possible.
Together, we inspire creativity and bring joy - a mission we all believe in and aim towards achieving every day.
To us, every challenge, no matter how difficult, is an opportunity; to learn, to innovate, and to grow as one team. Status quo? Never. Courage? Always.
At TikTok, we create together and grow together. That's how we drive impact - for ourselves, our company, and the communities we serve.
Join us.
TikTok Live client team focus has been focusing on delivery engaging and the best live streaming experience to global users. Our team develop creative and interesting features for streamers and viewers to express themselves and interact with others instantly. We are looking for passionate software engineers to join us in this fast growing industry.
Responsibilities:
1. Develop business critical systems that powers TikTok Live Streaming.
2. Design the architecture for systems, services and pipelines to ensure high stability, reliability and data consistency.
3. Work out solutions for product features and technical requirements and implement them with high quality.
4. Work closely with multiple cross-functional teams to deliver high quality work in rapid product development.
Qualifications
1. BS/MS Degree in Computer Science or related major.
2. Experienced in building backend services for large-scale consumer-facing applications.
3. Proficient in at least one of the following languages: Go, Python, Java, C++.
4. Deep understanding of computer architectures, data structures and algorithms.
5. Have good team communication and collaboration skills.
6. Experience with payment or transaction processing systems is preferable.
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.

Responsibilities
TikTok is the leading destination for short-form mobile video. Our mission is to inspire creativity and bring joy. TikTok has global offices including Los Angeles, New York, London, Paris, Berlin, Dubai, Singapore, Jakarta, Seoul and Tokyo.
Why Join Us
Creation is the core of TikTok's purpose. Our platform is built to help imaginations thrive. This is doubly true of the teams that make TikTok possible.
Together, we inspire creativity and bring joy - a mission we all believe in and aim towards achieving every day.
To us, every challenge, no matter how difficult, is an opportunity; to learn, to innovate, and to grow as one team. Status quo? Never. Courage? Always.
At TikTok, we create together and grow together. That's how we drive impact - for ourselves, our company, and the communities we serve.
Join us.
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.
TikTok Live Data Platform is building the Index Platform, Label Platform, Portrait Platform, Diagnostic Platform, Data Asset Management Platform, Data Suite and in-place solutions for business. Which involves compute(Streaming processing, Offline pipeline) and storage(OLAP: Clickhouse/Doris, KV store). Now we're supporting end-users TikTok app and Agency's Backstage data applications, enhancing internal platforms with data suites, analysis, diagnosis. We're always encouraging R&D to deliver tech-driven projects to enrich business with insights from data.
You will:
- Plan and lead large-scale technical projects to lay the foundation for the iterative development and scale of early products
- Develop robust, efficient technology products that serve 1 billion users
- Contribute to engineering strategy, tooling, processes, and culture
- Research and apply cutting-edge domain and technical knowledge into products
Qualifications
- As a world-class engineer, you have rich working experience in scalable, highly available, distributed and mission-critical systems.
- Deep understanding of computer architectures, data structures and algorithms.
- Able to work closely with diverse stakeholders and have good communication skills
- Self-driven, positive, cooperative and willing to keep learning enthusiasm at all times
Preferred Qualification
Minimum 3 years relevant work experience from a large-scale internet business
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.

About the team

TikTok Shop is a content e-commerce business utilising international short video products as carriers. Our aim is to become the preferred choice for users seeking to discover and purchase affordable, high-quality products. We provide users with tailored, vibrant, and efficient consumption experiences while enabling merchants to access robust and dependable platform services in various scenarios, such as live e-commerce and short video content e-commerce. Our vision is to make affordable and high-quality products easily accessible, enhancing the quality of life for all. We are looking for passionate and talented people to join our product and operations team, to build an e-commerce ecosystem that is innovative, secure and intuitive for our users and brands.

TikTok Shop's Risk Control Platform is a global team dedicated to ensuring a safe and trustworthy marketplace for our buyers, sellers, and creators. We focus on areas such as risk detection capabilities, fairness, and sustainability of the E-Commerce ecosystem, content and commodity quality, and friction-free experiences to drive improvement.

Responsibilities:

- Design and develop scalable backend systems and algorithms for fraud detection and prevention.

- Collaborate with frontend engineers, product managers and other cross functional teams to integrate risk control solutions into the platform.

- Evaluate existing risk control processes and technologies, identifying areas for improvement and optimization.

- Drive innovation by researching and implementing new technologies and methodologies to enhance fraud prevention capabilities.

- Conduct thorough testing and debugging of backend systems to ensure reliability and performance under varying loads.

- Stay informed about emerging technologies and industry best practices in risk control and fraud detection.

Qualifications

Minimum Qualifications:

- Bachelor's or higher degree in Computer Science, Information Technology, Programming & System Analysis, Science (Computer Studies) or related discipline.

- Candidate should have at least 5 years of experience in software development, with a focus on risk control or anti-fraud solutions.

- Strong proficiency in programming languages such as Golang, Python, or Java.

- Solid understanding of data structures, algorithms, and software design principles.

- Excellent problem-solving and analytical skills, with a keen attention to detail.

Preferred Qualifications:

- Prior experience working on risk control or anti-fraud solutions in the e-commerce industry.

- Experience with distributed systems and microservices architecture.

- Strong communication skills and the ability to collaborate effectively with cross-functional teams.

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.

Responsibilities
TikTok is the leading destination for short-form mobile video. Our mission is to inspire creativity and bring joy. TikTok has global offices including Los Angeles, New York, London, Paris, Berlin, Dubai, Singapore, Jakarta, Seoul and Tokyo.
Why Join Us
At TikTok, our people are humble, intelligent, compassionate and creative. We create to inspire - for you, for us, and for more than 1 billion users on our platform. We lead with curiosity and aim for the highest, never shying away from taking calculated risks and embracing ambiguity as it comes. Here, the opportunities are limitless for those who dare to pursue bold ideas that exist just beyond the boundary of possibility. Join us and make impact happen with a career at TikTok.
We are looking for passionate and talented engineers to join us to build up and optimize a real-time, high-performance, large-scale distributed infrastructure for live streaming at TikTok. We 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 live streamers and viewers.
TikTok Live revenue engineering team is responsible for building the cutting-edge revenue ecosystem which includes gifting and other revenue features that are innovative, secure and intuitive for our users. As an important member of the engineering team, you will build solutions that affect millions of users and live streamers.
You will:
- Plan and lead large-scale technical projects to lay the foundation for the iterative development and scale of early products
- Develop robust, efficient technology products that serve 1 billion users
- Contribute to engineering strategy, tooling, processes, and culture
- Research and apply cutting-edge domain and technical knowledge into products
Qualifications
- As a world-class engineer, you have rich working experience in scalable, highly available, distributed and mission-critical systems.
- 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 times
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.

Responsibilities

TikTok is the leading destination for short-form mobile video. Our mission is to inspire creativity and bring joy. TikTok has global offices including Los Angeles, New York, London, Paris, Berlin, Dubai, Singapore, Jakarta, Seoul and Tokyo.

Why Join Us

At TikTok, our people are humble, intelligent, compassionate and creative. We create to inspire - for you, for us, and for more than 1 billion users on our platform. We lead with curiosity and aim for the highest, never shying away from taking calculated risks and embracing ambiguity as it comes. Here, the opportunities are limitless for those who dare to pursue bold ideas that exist just beyond the boundary of possibility. Join us and make impact happen with a career at TikTok.

TikTok live money platform team will provide strong support for more and richer interactions between TikTok live streamers and audience. In the real world, it will benefit our streamers and power TikTok to develop at a higher speed and safely.

You will:

- Plan and lead large-scale technical projects to lay the foundation for the iterative development and scale of early products

- Develop robust, efficient technology products that serve 1 billion users

- Contribute to engineering strategy, tooling, processes, and culture

- Research and apply cutting-edge domain and technical knowledge into products

Qualifications

- As a world-class engineer, you have rich working experience in scalable, highly available, distributed and mission-critical systems.

- Deep understanding of computer architectures, data structures and algorithms.

- Able to work closely with diverse stakeholders and have good communication skills

- Self-driven, positive, cooperative and willing to keep learning enthusiasm at all times

- Experience in the payment or financial domain is a plus

Preferred Qualification

Minimum 3 years relevant work experience from a large-scale internet business

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.

Responsibilities

TikTok Shop is a content e-commerce business with international short video product as the carrier. It is committed to becoming the first choice for users to discover and purchase good products with affordable prices. TikTok Shop business team hopes to provide users with more tailored and efficient consumption experience, enabling merchants to receive reliable platform services in different scenarios such as live e-commerce, short video content e-commerce, so as to make more affordable and high-quality products sell easily and a better life within reach.

As the core engine of TikTok Shop's ecosystem, our team shoulders the mission of designing the transaction system architecture and tackling technical challenges for TikTok Shop, focusing on providing global users with a highly reliable, low-latency, and ultimate transaction experience. The team is currently in a stage of rapid development. Facing numerous challenges, such as hundreds of millions of users and global multi-business forms, we urgently need architects and engineers with rich e-commerce background experience to join us and jointly build a world-class e-commerce transaction platform.

Responsibilities:

- Responsible for core system development in the TikTok Shop trading domain, deeply involved in building multiple core systems, handling system design, development, maintenance, and continuous optimisation.

- Benchmark against the industry to continuously plan and enhance the foundational capabilities of the trading center system, optimising openness and scalability.

- Participate in improving the system's international architecture and build stability and high availability for the system.

- Explore new business models in TikTok Shop.

Qualifications

Minimum Qualifications:

- Bachelor's or higher degree in Computer Science, Information Technology, Programming & System Analysis, Science (Computer Studies) or related discipline.

- Candidate should have at least 5 years of experience in developing highly scalable backend services and systems using at least one of Java/Golang; familiar with Linux, MySQL, Redis, RocketMQ, and configuration centers.

- Capable of performance optimisation, system stress testing, rate limiting and degradation, database sharding in high-traffic scenarios.

- Strong learning ability, good problem analysis and solving skills, sensitive to new technologies and willing to engage in new technology research.

Preferred Qualifications:

- Experience in e-commerce system development.

- Strong communication skills and good team spirit.

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.