staff java backend developer

OKX Wallet is OKX's self-custody wallet, built to securely store and manage on-chain assets for users worldwide. We seek a Staff/Senior Java Engineer to own core backend modules and drive high-concurrency wallet features.You'll work across multi-chain environments (EVM, Tron, Solana) and apply sound engineering judgment, system design, and security awareness...

Senior Staff Engineer (Java), Liquidity Platform, Cash OTC Hong Kong, Hong Kong SAR About the Opportunity Liquidity Platform provides cutting‑edge technology that covers all aspects of crypto trading. We build low‑latency connectivity to global crypto venues, including both Cefi and Defi venues, strategy services for automated pricing and trading...

Team Lead / Senior Developer of Backend Development  Hong Kong About the job Team Lead / Senior Developer of Backend Development - Billing System   We are a leading global CPaaS provider recognized for offering carrier-grade communication solutions for enterprise and carriers. With over 35 years of experience developing industry-leading solutions in...

SW9004 | 23 Jun 2026 Java Developer (Bank / Finance, 35-50K) Responsibilities Design, build, and maintain high-volume, scalable backend microservices and APIs. Deploy containerized core applications to cloud infrastructure, ensuring maximum system availability. Implement secure transaction architectures and real-time message streaming for payment...

Who We Are At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. OKX is a leading crypto exchange and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking...

Who We Are At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. Who We Are At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to...

Who We Are At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. OKX is a leading crypto exchange and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking...

Senior Staff Engineer (Java), Liquidity Platform, Cash OTC Hong Kong, Hong Kong SAR About the Opportunity Liquidity Platform provides cutting‑edge technology that covers all aspects of crypto trading. We build low‑latency connectivity to global crypto venues, including both Cefi and Defi venues, strategy services for automated pricing and trading bots,...

Mastermind Asia Limited is seeking a Senior Java Engineer to join our core backend team in Hong Kong. This role requires designing and optimizing resilient distributed systems for large-scale data processing.The ideal candidate will have at least 5 years of experience in Java development, proficiency in distributed systems, and a Bachelor's degree in a...

Staff/Senior Java Engineer, OKX Wallet (Web3) Who We Are OKX Wallet is OKX's self-custody wallet, built for users worldwide to securely and conveniently store, manage, and use their on-chain assets. The wallet backend operates in a multi-chain, multi-asset, high-concurrency environment shaped by on-chain state uncertainty and strict fund-security...

Who We Are At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. Who We Are At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to...

As a Backend Engineer, you will design, scale, and maintain high-availability cloud-native banking services in Hong Kong. Working within small, cross-functional teams, you will focus on continuous delivery, robust architecture, and production excellence. Core Responsibilities Service Engineering: Design, build, and maintain scalable backend microservices and...

Binance is a leading global blockchain ecosystem behind the world’s largest cryptocurrency exchange by trading volume and registered users. We are trusted by 300+ million people in 100+ countries for our industry-leading security, user fund transparency, trading engine speed, deep liquidity, and an unmatched portfolio of digital-asset products. Binance...

Binance is a leading global blockchain ecosystem behind the world’s largest cryptocurrency exchange by trading volume and registered users. We are trusted by 300+ million people in 100+ countries for our industry-leading security, user fund transparency, trading engine speed, deep liquidity, and an unmatched portfolio of digital-asset products. Binance...

Binance is a leading global blockchain ecosystem behind the world’s largest cryptocurrency exchange by trading volume and registered users. We are trusted by 300+ million people in 100+ countries for our industry-leading security, user fund transparency, trading engine speed, deep liquidity, and an unmatched portfolio of digital-asset products. Binance...

Who We Are At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking...

Who We Are At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking...

Design, develop, and support a strategic financing platform within an investment banking environment.Work closely with traders, product teams, and global stakeholders to deliver high-quality, latency-sensitive solutions.Translate business and regulatory requirements into technical solutions.Participate in system design, code reviews, testing, deployment,...

Design, develop, and support a strategic financing platform within an investment banking environment. Work closely with traders, product teams, and global stakeholders to deliver high-quality, latency-sensitive solutions. Translate business and regulatory requirements into technical solutions. Participate in system design, code reviews, testing, deployment,...

At Kody, we're redefining how businesses take payments and access financial services. As a fast-growing Fintech, we partner with some of the most recognised names in hospitality, F&B and retail across Hong Kong helping them modernise payments, settlement and digital financial experiences. Why Join us? Work with industry-leading brands in Hong Kong and...