Golang Developer (User Engagement)

About ABFinance ABFinance is a US-based firm looking to build and enable digital finance for the future. Our vision is to build a full financial ecosystem where digital assets, traditional finance, and everyday money management live in one seamless experience, made available to everyone. Founded by a team of innovators, traders, and compliance professionals, our mission is to bring the emerging world of digital assets to everyone. Our flagship product is a secure, regulated crypto exchange where we build trading tools for both retail and institutional clients - such as spot trading, yield generation products with a focus on compliance and security. Job Responsibilities • Design, develop, and maintain backend services using Golang • Build, optimize, and maintain high-concurrency, high-performance systems • Participate in system architecture design and performance tuning • Collaborate with product managers and frontend teams to deliver stable and reliable features Job Requirements • 3+ years of backend development experience • Proficient in Golang, with solid understanding of its concurrency model (goroutines, channels, etc.) • Strong experience in high-concurrency system design and performance optimization • Proficient in Kafka, Redis, and MySQL • Hands-on experience with gRPC, including RPC service design and implementation • Familiar with microservices architecture, including service decomposition and basic service governance • Good understanding of common backend technologies such as HTTP, RESTful APIs, and databases • Basic ability to read and write technical documentation in English and Mandarin