Role summary 

Location: Guang Zhou 

On-site  | Full-time 

As a full stack development engineer with more that 5 years of experience. You will serve as a core technical member of the development team, participating in the design, development, deployment, and full lifecycle maintenance of the company's cross-border payment system. You need to have a high pursuit of code quality, system stability, and security to ensure that you can provide secure, stable, and efficient services to users worldwide. 

What you’ll do 

• System design and development: Participate in the core architecture design and technical solution development of cross-border payment platforms, responsible for the development and iteration of core modules such as transactions, clearing and settlement, risk control, and account systems, and write high-quality and maintainable code. 

• Performance optimization and stability assurance: Monitor and optimize system performance, handle online failures, and ensure high availability of the system in high concurrency, multi time zone environments (target 7x24 hour stable operation). Build a full chain stress testing, monitoring, and log analysis system to quickly locate and resolve performance bottlenecks and anomalies. 

• Security and Compliance: Build a payment system that complies with international security standards and Chinese regulatory requirement, design and implement a fund security protection system, including transaction monitoring, API communication encryption, anti-attack strategies, etc., to ensure the security of user data and funds. 

• Deployment and Operations Collaboration: Proficient in using containerization technologies such as Docker and Kubernetes, collaborating with operations teams to achieve automated deployment, publishing, and governance of services.  

• Teamwork and documentation: Work closely with product, front-end, testing, and operation teams to complete requirement reviews and implement technical solutions. Write clear technical design documents, API documents, and system architecture documents. 

Who you are 

• 5+ years working experience in a high-tech or fin-tech company or has experience in core modules of cross-border payments or third-part payments. 

• Java Core: Proficient in Java language and JVM principles, with a deep understanding of multithreading, concurrent programming, collection frameworks, and performance tuning. 

• Mainstream frameworks: Proficient in Spring Boot, Spring Cloud and other mainstream open source frameworks, and understand their core principles. 

• Database and Middleware: Proficient in MySQL and SQL optimization, familiar with at least one NoSQL database (such as Redis) and its application scenarios. Proficient in using commonly used message middleware such as RocketMQ/Kafka. 

• Solid understanding of HTML5, CSS3, and JavaScript (ES6+). Familiarity with TypeScript is a plus. 

• Hands-on experience with React and modern state management. Familiarity with Next.js and Ant Design is preferred. 

• Basic knowledge of modern frontend build workflows (e libraries, bundlers) and version control (Git). 

• Distributed technology: Familiar with the concept of distributed systems, microservice architecture design and governance, familiar with common solutions such as distributed transactions, caching, locks, etc. 

• Excellent logical thinking, problem analysis and positioning skills, and technical problem-solving abilities. 

• Good teamwork spirit and cross-cultural communication skills, able to adapt to multi time zone collaboration. 

• Strong sense of responsibility and risk awareness, highly sensitive to financial security vulnerabilities. 

As a plus 

• Daily user of AI coding tools such as Cursor, GitHub Copilot, Claude Code etc; able to configure and govern usage effectively. 

• Proven ability to translate product requirements into high‑quality prompts and validate AI‑generated code with tests and static analysis. 

• Understands limitations, privacy, licensing, and security considerations for AI‑assisted code; adheres to org policy and data‑handling rules. 

• Experience building lightweight internal “AI agents” or scripts to automate repetitive engineering tasks (e.g., refactors, doc updates, test generation). 

At Visual Concepts, we believe great games are made by diverse and empowered teams with a shared passion for play. As one of the world’s top game development studios, we have shipped over 100 multi-sku titles to critical acclaim and commercial success. Our teams are independent and ambitious. Our studios in Novato, Irvine, Budapest, Shanghai, Austin, Boise, Seoul and Parksville, Canada are committed to artistry and ground breaking technology, offering top candidates the opportunity to learn and grow with some of the hardest working and most creative minds in the industry.

Visual Concepts China (Shanghai) is seeking a Senior Full-Stack Server Engineer to join our studio for an unannounced project. Widely regarded as one of the world’s top video game studios, Visual Concepts, a subsidiary of Take-Two Interactive Software, Inc. (TTWO). Visual Concepts is best known for some of the world’s greatest sports videogames, including the world’s #1-rated and #1-selling basketball franchise, NBA 2K.

What We Need:

We are looking for a  backend specialist, responsible for designing, developing, and maintaining robust, scalable, and secure server-side applications and APIs. This role requires solid, hands-on experience in server API setup and configuration, along with a strong solid understanding of database storage solutions.

Who Will Be A Great Fit:

• Experience: 8-10 years of professional experience in software development, with at least 5 years focused on high-scale backend server engineering
• Server API Mastery: Demonstrable expertise in designing, building, documenting, and consuming complex server APIs (REST/GraphQL). Must have experience with API gateways and service-to-service communication
• Proficiency in major backend languages (e.g., Python, Java, C++)
• Database Proficiency: Strong solid understanding of relational databases (e.g., PostgreSQL, MySQL, MS SQL Server) including query optimization, indexing, and schema design. Good understanding on in-memory database solutions as well as NoSQL databases for scaling across machine clusters
• Cloud Computing: Hands-on experience deploying and managing applications on at least one major cloud platform (AWS, Azure, or GCP)
• Expert knowledge of various testing methodologies and requirements (unit, integration, BVT, stress and performance testing). Able to setup testable framework for automation and white-box testing
• Bachelor or higher degree (or its equivalent) in Computer science, Computer engineering or a directly related field
• Love for video games (not just ours!)

Might Be Nice:

• Experience deploying large-scale microservices and distributed systems
• Good understanding of networking, data storage and security
• Experience with Infrastructure as Code (IaC) tools like Terraform, AWS CloudFormation, Google Cloud Deployment Manager or Azure Resource Manager
• Understanding of a heavily regulated or high-traffic environment (e.g., FinTech, e-commerce, telecommunications)
• Prior experience in leading technical projects and mentoring junior engineers

please email: hrcn@vcentertainment.com

To learn more about Visual Concepts and our studio locations, check out our website at www.vcentertainment.com

At Visual Concepts, we believe great games are made by diverse and empowered teams with a shared passion for play. As one of the world’s top game development studios, we have shipped over 100 multi-sku titles to critical acclaim and commercial success. Our teams are independent and ambitious. Our studios in Novato, Irvine, Budapest, Shanghai, Austin, Boise, Seoul and Parksville, Canada are committed to artistry and ground breaking technology, offering top candidates the opportunity to learn and grow with some of the hardest working and most creative minds in the industry.

Visual Concepts China (Shanghai) is seeking a Senior Full-Stack Server Engineer to join our studio for an unannounced project. Widely regarded as one of the world’s top video game studios, Visual Concepts, a subsidiary of Take-Two Interactive Software, Inc. (TTWO). Visual Concepts is best known for some of the world’s greatest sports videogames, including the world’s #1-rated and #1-selling basketball franchise, NBA 2K.

What We Need:

We are looking for a  backend specialist, responsible for designing, developing, and maintaining robust, scalable, and secure server-side applications and APIs. This role requires solid, hands-on experience in server API setup and configuration, along with a strong solid understanding of database storage solutions.

Who Will Be A Great Fit:

• Experience: 8-10 years of professional experience in software development, with at least 5 years focused on high-scale backend server engineering
• Server API Mastery: Demonstrable expertise in designing, building, documenting, and consuming complex server APIs (REST/GraphQL). Must have experience with API gateways and service-to-service communication
• Proficiency in major backend languages (e.g., Python, Java, C++)
• Database Proficiency: Strong solid understanding of relational databases (e.g., PostgreSQL, MySQL, MS SQL Server) including query optimization, indexing, and schema design. Good understanding on in-memory database solutions as well as NoSQL databases for scaling across machine clusters
• Cloud Computing: Hands-on experience deploying and managing applications on at least one major cloud platform (AWS, Azure, or GCP)
• Expert knowledge of various testing methodologies and requirements (unit, integration, BVT, stress and performance testing). Able to setup testable framework for automation and white-box testing
• Bachelor or higher degree (or its equivalent) in Computer science, Computer engineering or a directly related field
• Love for video games (not just ours!)

Might Be Nice:

• Experience deploying large-scale microservices and distributed systems
• Good understanding of networking, data storage and security
• Experience with Infrastructure as Code (IaC) tools like Terraform, AWS CloudFormation, Google Cloud Deployment Manager or Azure Resource Manager
• Understanding of a heavily regulated or high-traffic environment (e.g., FinTech, e-commerce, telecommunications)
• Prior experience in leading technical projects and mentoring junior engineers

please email: hrcn@vcentertainment.com

To learn more about Visual Concepts and our studio locations, check out our website at www.vcentertainment.com

Company Overview

At Zuora, we do Modern Business. We’re helping people subscribe to new ways of doing business that are better for people, companies and ultimately the planet. It’s an approach resulting from the shift to the Subscription Economy that puts customers first by building recurring relationships instead of one-time product sales and focuses on sustainable growth. 

Through our leading expertise and multi-product suite - including Zuora Billing and Zuora Revenue — we provide a unified monetization and revenue automation platform that connects quoting, billing, payments, and revenue recognition end to end. Our solutions give finance and revenue teams a single source of truth for subscription economics, streamline ASC 606-compliant revenue recognition, and enable real-time insights into growth, profitability, and customer lifetime value.

We are transforming all industries and working with the world’s most innovative companies to monetize new business models, nurture subscriber relationships and optimize their digital experiences.

The Team & Role

The Beijing Billing Core team is a specialized engineering powerhouse and the heartbeat of Zuora’s global platform. As a mission-critical core team, we architect the foundational systems that power the world’s most sophisticated enterprise businesses. We operate at the intersection of high-scale distributed systems and real-time data innovation, prioritizing long-term engineering excellence and robust, scalable design.

The Opportunity: Leading the Strategic Evolution

We are currently driving a high-stakes evolution from traditional enterprise architecture to an intelligent, event-driven ecosystem.

• Mission-Critical Impact: Your work sits at the center of the global economy, directly enabling the growth of industry-leading organizations.
• The AI-Augmented Frontier: We are pioneering the future of software delivery by embracing an AI-first engineering culture. Our team leverages advanced AI development environments to navigate complex architectural puzzles, allowing our engineers to focus on high-level systems thinking and innovation.
• Global Technical Leadership: This is a rare opportunity to bridge the gap between stable, world-class foundations and greenfield data engineering within a high-talent global hub.

The Mission: Architecting the Future of Billing

Your mission is to ensure our platform remains the definitive global standard for reliability and intelligence. You will solve the industry’s most challenging scale and consistency problems, building a self-healing, high-concurrency engine that defines the future of digital commerce.

This is a location specific position that requires you to come into the office regularly to be most effective. 

What you’ll do

• Architect Mission-Critical Systems: You will design and evolve high-performance, distributed services within our core Java environment. You will be responsible for the architectural stewardship of systems that process billions of transactions, ensuring they remain scalable, robust, and enterprise-grade.
• Drive Real-Time Data Innovation: You will lead the development of sophisticated stream processing pipelines and event-driven architectures. By bridging the gap between foundational data stores and real-time analytics, you will enable the "Intelligence Layer" that defines the future of our global platform.
• Pioneer AI-Augmented Engineering: You will embrace an AI-first development culture, utilizing advanced tools like Claude Code and Codex to navigate complex logic and solve deep architectural puzzles. You will champion engineering excellence, prioritizing disciplined, maintainable design over temporary workarounds.

What You’ll Achieve: Impact & Outcomes

Instead of a list of tasks, these milestones focus on your growth and impact within the team.

• In your first 3 months: You will develop a thorough understanding of our core engine and streaming pipelines. You will successfully use AI-assisted tools to deliver high-quality features and enhancements within our distributed environment.
• By month 6: You will take ownership of a specific service or functional area. You will implement complex streaming or backend features, ensuring they are performant and integrate seamlessly with our real-time data layer.
• Within your first year: You will contribute to the long-term reliability of our platform by resolving technical bottlenecks. You will collaborate with the team to adopt AI-augmented practices and play a key role in the transition toward a more responsive, event-driven architecture

Your Experience (Must-Haves)

To ensure an inclusive applicant pool, we have limited this to core skills essential for success in this role.

• Strong Java Foundations: Significant experience building and scaling services within large codebases using Modern Java, the Spring Framework, and ORM/Persistence Frameworks; committed to delivering clean, maintainable, and disciplined code.
• Distributed Systems & Data Engineering: Expert in architecting stream processing pipelines and managing data consistency in high-concurrency, data-intensive systems; proficient in leveraging Apache Kafka, Apache Flink, Apache Beam, and Change Data Capture (CDC) alongside MySQL, ClickHouse, and Redis to build scalable architectures that support evolving schemas and massive data growth.
• Infrastructure & Deployment: Proven ability to architect and manage cloud-native backend services using AWS and Kubernetes to ensure high availability and system resilience.
• AI-Assisted Productivity: Proficient in utilizing AI-assisted development tools such as Claude, Codex, and Cursor to solve complex engineering puzzles efficiently and increase overall technical leverage.

Nice to Haves

These are not required for application but are areas where you can add immediate value.

• Data & Analytics: Experience with relational database optimization or building real-time data synchronization solutions.
• Cloud Operations: Familiarity with deploying and monitoring services in cloud-native or containerized environments.
• Collaborative Approach: Experience working in a global engineering hub and a desire to participate in technical discussions and learning.

#ZEOLife at Zuora

As an industry pioneer, our work is constantly evolving and challenging us in new ways that require us to think differently, iterate often and learn constantly—it’s exciting. Our people, whom we refer to as “ZEOs" are empowered to take on a mindset of ownership and make a bigger impact here. Our teams collaborate deeply, exchange different ideas openly and together we’re making what’s next possible for our customers, community and the world. 

As part of our commitment to building an inclusive, high-performance culture where ZEOs feel inspired, connected and valued, we support ZEOs with:

• Competitive compensation, variable bonus and performance reward opportunities, and retirement programs
• Medical, dental and vision insurance
• Generous, flexible time off 
• Paid holidays, “wellness” days and company wide end of year break
• More than 10 weeks  fully paid parental leave 
• Learning & Development stipend
• Opportunities to volunteer and give back, including charitable donation match
• Free resources and support for your mental wellbeing  

Specific benefits offerings may vary by country and can be viewed in more detail during your interview process.

Location & Work Arrangements

Organizations and teams at Zuora are empowered to design efficient and flexible ways of working, being intentional about scheduling, communication, and collaboration strategies that help us achieve our best results. In our dynamic, globally distributed company, this means balancing flexibility and responsibility — flexibility to live our lives to the fullest, and responsibility to each other, to our customers, and to our shareholders. For most roles, we offer the flexibility to work both remotely and at Zuora offices.

Our Commitment to an Inclusive Workplace

Think, be and do you! At Zuora, different perspectives, experiences and contributions matter. Everyone counts. Zuora is proud to be an Equal Opportunity Employer committed to creating an inclusive environment for all.

Zuora does not discriminate on the basis of, and considers individuals seeking employment with Zuora without regards to, race, religion, color, national origin, sex (including pregnancy, childbirth, reproductive health decisions, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, genetic information, political views or activity, or other applicable legally protected characteristics.

We encourage candidates from all backgrounds to apply. Applicants in need of special assistance or accommodation during the interview process or in accessing our website may contact us by sending an email to assistance(at)zuora.com.

Purpose of Position

• CASETiFY is one of the leading global lifestyle brands to offer customizable tech accessories. We're industry leaders when it comes to trend forecasting and protecting what matters most; the community platform for creativity and self-expression. 
• Assist mainly colab/product launches on website/mobile APP
• Assist in daily operations for visual merchandising of the website (navigation, home banner)
• Assist Ecom Team to achieve company’s business goals by launching projects

Job Description

• Assist in project executions - website changes/collection launches/new products/marketing campaigns and content update on web/APP
• Coordinate with different departments to obtain related materials during the launch preparation including but not limited to copies, translation, web/APP creative assets, and pricing, and sure that they are all up to the business standard.
• Create web pages for all responsible projects
• Arrange contents, translations, and pricing for all regional markets at Casetify (localization) in web
• Ensure the quality of the project output (Quality check) and fix the issues promptly. Lead quality check (QC) for the website with market teams and follow up proactively
• Ensure and gate keep that the project launch follows the launch guidelines
• Cooperate with Tech team on system setting/ technical request and ensure accurate website display and rules
• Coordinate with Creative team on creative assets for the website 
• Cross check with Product Development team on inventory status and provide accurate information on website/APP

Requirement

• Native Cantonese / Proficient in English
• Highly systematic and organized
• Have web / digital project management experience (1-2 Yr)
• Excellent communications skills and problem solving skills
• Always curious to learn new things and willing to share knowledge
• Able to work under tight timeline and pressure
• Knowledge in MySQL will be a big plus

We are hiring for one of our ecosystem projects, an innovative AI and Web3 company building an Ethereum Layer 2 solution integrated with advanced AI agents. As the first engineer dedicated to this initiative, you will play a pivotal role in its development, with potential opportunities to build and lead a team in the future.

Key Responsibilities

• Design and implement AI platforms, encompassing both front-end interfaces and back-end services.
• Collaborate with other developers and AI engineers on data preprocessing, model training, and optimization.
• Deploy AI models into production environments, ensuring performance, scalability, and reliability.
• Develop and maintain data processing pipelines to ensure data quality and consistency.
• Stay updated on AI technology trends, advocating for the integration of new technologies into our products.
• Contribute to other projects based on the company’s product development progress

Requirements

• Bachelor’s degree or higher in Computer Science, Software Engineering, Artificial Intelligence, or a related field.
• 5 years of full-stack development experience, proficient in both front-end and back-end technologies.
• Expertise in front-end and back-end technologies (especially Golang)
• Eager to explore and could use new technologies related to AI that help improve working efficiency
• Strong curiosity and willingness to explore new product directions, identify potential AI applications, and contribute to product innovation.
• Familiarity with Web3, blockchain, and the crypto industry, with insights into different product models and a personal perspective on industry trends and innovations.
• Excellent communication skills and a collaborative team spirit, with the ability to independently solve problems and take initiative.

Preferred Qualifications

• Knowledge in data processing and analysis will be a plus, with knowledge of SQL and NoSQL databases such as MySQL, PostgreSQL, or MongoDB.
• Experience in deploying and optimizing AI agent
• Experience contributing to open-source projects
• Build high-performance APIs and microservices to support large-scale Web3 application
• Familiarity with large-scale data processing technologies such as Hadoop or Spark.

WOO X is a global centralised crypto futures and spot trading platform offering best-in-class liquidity and price execution. WOO X has an average daily volume exceeding $1.5 billion and is home to hundreds of thousands of traders worldwide. WOO X traders benefit from radical transparency through our industry-first live Proof of Reserves & Liabilities dashboard and the company's mission to maintain the trust of its growing community of traders. Our team of about 180 highly talented employees works from 12 cities across eight countries in Europe and Asia 🚀

WOO X is a global centralised crypto futures and spot trading platform offering best-in-class liquidity and price execution. WOO X has an average daily volume exceeding $1.5 billion and is home to hundreds of thousands of traders worldwide. WOO X traders benefit from radical transparency through our industry-first live Proof of Reserves & Liabilities dashboard and the company's mission to maintain the trust of its growing community of traders. Our team of 200+ highly-talented employees works from 12 cities across eight countries in Europe and Asia 🚀

Our vision is to inspire confidence, higher performance, and joy in every user. We have a mission to provide the best liquidity on the best terms. We compete not just on price execution but also on integrity, user experience, innovative tools, and global opportunities.

About the opportunity:

We are looking for a Staff / Senior Backend Engineer who can join us along this mission and vision. You’ll become an integral part of the Backend team, responsible for all the development of the backend services that support our WOO X and internal tools 7*24. The heroes keep improving the performance of our trading system and optimising the stability and scalability of our whole ecosystem. Interested? Keep on reading!

What you’ll be working on:

• Design, build, and optimize backend services for a high-performance, low-latency trading platform.
• Develop and maintain robust, scalable APIs (RESTful and WebSocket) using Java + Spring Boot, supporting real-time trading and market data.
• Architect and implement highly concurrent systems that ensure 24/7 system reliability and throughput.
• Collaborate closely with cross-functional teams (Product, Business, DevOps) to align technical solutions with business goals.
• Troubleshoot complex production issues, identify root causes, and propose effective, scalable fixes.
• Contribute to system architecture and design discussions, and promote best engineering practices through code reviews and technical mentorship.
• Demonstrate potential for technical leadership, with the ability to drive initiatives and influence technical direction across the team.

Why work with us:

Join us in realising our vision in advancing decentralisation, and leading innovation in CeFi. Enjoy work flexibility, a supportive team, and an environment that nurtures your ideas. Plus, expect a performance-based annual bonus for all contributors at WOO 💪

About you:

• 5+ years of backend development experience, with deep proficiency in Java and Spring Boot / Spring Cloud.
• Strong knowledge of multithreading, concurrency models, and asynchronous programming.
• Experience building high-concurrency, high-availability backend systems in production environments.
• Familiar with message brokers (e.g., Kafka, RocketMQ), databases (MySQL/PostgreSQL), and in-memory stores (e.g., Redis).
• Solid experience with containerized environments (Docker, Kubernetes) and Linux-based systems.
• Proven track record of independently solving complex backend/system-level problems.
• Excellent communication skills and ability to work effectively with cross-functional stakeholders.
• Previous experience in financial services, trading systems, or crypto exchanges is a strong plus.
• Experience mentoring others or demonstrated potential for technical leadership is a significant advantage.

Getting the job

We're actively seeking talented individuals to join our team outside of our typical hiring schedule. This proactive approach allows us to connect with exceptional candidates like you even before specific positions become available.

On average, successful candidates go through five rounds of interviews and tests. Our hiring process begins by meeting with our People Team, who help facilitate the process of placing you in your new role. You can expect to share your experience and ideas in online video interviews with our hiring team, made up of management and potential new colleagues.

Submitting your resume now ensures that you're first in line when new opportunities arise. By doing so, you'll have a head start in the selection process and get a chance to showcase your skills and experience.

Get started on your application here!