Overview

Join an innovative team in the consumer electronics industry as an RF Simulation Engineer. You will play a pivotal role in driving the design and optimization of RF hardware for advanced connectivity solutions, such as WLAN, Bluetooth, GPS, UWB, and 5G-FR1. Your expertise will guide the RF design process from early prototyping to validation and certification, ensuring the performance and reliability of next-generation consumer devices.

Responsibilities

• Lead RF hardware design activities focused on various connectivity protocols including WLAN, Bluetooth, GPS, UWB, and 5G-FR1.
• Drive the product design lifecycle from prototyping to final certification, ensuring compliance with industry standards.
• Optimize RF chain performance by enhancing gain lineup, linearity, sensitivity, and managing interference.
• Conduct RF schematic and layout design reviews, facilitate RF tuning, and simulation for performance optimization.
• Plan and execute comprehensive lab RF validation tests for design validation and performance enhancement.
• Manage factory prototype builds and address issues through thorough RF tuning and layout optimization.

Minimum Qualifications

• Proficiency in using RF EM simulation tool.
• 5+ years of experience in RF connectivity design for wireless consumer electronics.
• Proficiency in using RF design tools such as ADS RF Schematic, Ansys HFSS, and Keysight ADS.
• Strong understanding and application of RF concepts: impedance matching, TX/RX lineup, and Smith Charts.
• Proven expertise in RF simulation tools and methods that influence high-performance design decisions.
• Demonstrated experience with RF schematics and front-end modules.
• Experience with a variety of RF equipment, including network analyzers, spectrum analyzers, and communication testers like Litepoint, CMW500, and Anritsu.
• Proficiency in English

Preferred Qualifications

• Advanced skills in RF simulation and optimization using industry-standard tools.
• Deep understanding of and experience in optimizing the RF performance of wireless devices in compliance with industry specifications.

Overview

As an RF De-Sense Engineer specializing in wireless consumer devices like smartphones and wearables, you will tackle the intricate challenges of electromagnetic interference to deliver high-performance wireless solutions. Your expertise will drive the integration of more features and sensors into compact form factors, optimizing technologies such as WiFi and Bluetooth.

Responsibilities

• Develop end-to-end RF desense systems, covering architecture, design, validation, troubleshooting, and production to ensure optimal wireless performance.
• Analyze product operations' impact on wireless performance, identifying potential noise sources and desense risks.
• Review and evaluate product designs at various stages, including schematic, board layout, and mechanical structure.
• Collaborate with cross-disciplinary teams—including wireless, mechanical, electrical, and software engineers—on research, prototyping, and implementation.
• Utilize RF desense concepts like shielding, grounding, filtering, and isolation to inform design and debugging, leveraging both measurement and simulation data.
• Design and develop desense test methods and setups, executing comprehensive validation exercises.
• Propose corrective actions to address identified desense issues and effectively communicate validation results through organized reports.

Minimum Qualifications

• Bachelor’s degree in Electrical Engineering, Electronics Engineering, Computer Engineering, or Computer Science.
• 3+ years of relevant experience in RF design and wireless technologies.
• Strong understanding of analog, digital, and mixed-signal circuit analysis.
• Proficiency in RF schematic and PCB layout best practices.
• Hands-on experience with general-purpose RF test equipment, including Spectrum Analyzer, Network Analyzer, and Oscilloscope.
• Knowledge of electromagnetic simulations and familiarity with tools such as Ansys HFSS and CST Microwave Studio.

Preferred Qualifications

• Master’s degree in Electrical Engineering with a focus on RF hardware or Electromagnetics.
• 2+ years of experience in desense development for consumer products or RF hardware/antenna design in wireless electronics.
• Proficiency in electromagnetic simulation tools like Ansys HFSS or CST Microwave Studio.
• Familiarity with additional wireless technologies such as WiFi, Bluetooth, Cellular, GPS and expertise in using test call boxes for cellular testing.
• Experience with advanced noise mitigation techniques, including shielding, grounding, filtering, and isolation.

Purpose of Position

• The Senior Engineer, DevOps, Infrastructure Operations and AIOps will be responsible for the design, implementation, enhancement, and support of the company’s cloud and infrastructure platforms, deployment pipelines, operational tooling, and service reliability capabilities. The incumbent will work closely with engineering, product, security, and business teams to ensure that technology platforms are stable, scalable, secure, and efficient in supporting business growth.
• The incumbent is expected to bring strong hands-on experience in DevOps, infrastructure operations, automation, and production support, together with practical exposure to AIOps capabilities that improve monitoring, incident detection, alerting, troubleshooting, and operational efficiency in a fast-paced and dynamic environment.

Job Description

• Design, build, maintain, and optimize infrastructure platforms, DevOps pipelines, and operational tooling to support reliable and scalable technology delivery.
• Manage and enhance cloud and on-premise infrastructure environments, including compute, storage, network, access control, backup, disaster recovery, and related platform services.
• Build and improve CI/CD pipelines, release automation, environment provisioning, and infrastructure-as-code capabilities to strengthen delivery speed, consistency, and quality.
• Work closely with application engineering teams to ensure solutions are deployable, observable, secure, and operationally supportable across development, testing, and production environments.
• Support production operations, service monitoring, incident response, root cause analysis, problem remediation, and continuous service improvement.
• Implement and maintain observability capabilities including logging, metrics, tracing, dashboards, and alerting to improve system visibility and operational responsiveness.
• Drive automation initiatives across infrastructure operations, deployment, configuration management, patching, capacity management, and operational workflows.
• Contribute to AIOps use cases including intelligent alert correlation, anomaly detection, predictive monitoring, incident triage support, operational insights, and workflow automation to improve efficiency and reduce manual effort.
• Collaborate with security teams to ensure infrastructure and DevOps practices align with security, compliance, vulnerability management, and access governance requirements.
• Support system resilience through backup, recovery planning, failover readiness, and disaster recovery testing.
• Work with third-party vendors and service providers where required to maintain service quality, issue resolution, and platform stability.
• Document infrastructure standards, runbooks, procedures, and best practices to strengthen team knowledge sharing and operational consistency.

Requirements

• Strong hands-on engineering experience in DevOps, infrastructure operations, site reliability, or platform engineering roles.
• Good understanding of cloud infrastructure, network fundamentals, system administration, environment management, backup and recovery, and operational support practices.
• Solid experience with CI/CD, infrastructure as code, configuration management, scripting, automation, and deployment tooling.
• Experience in production support, incident management, troubleshooting, root cause analysis, and operational improvement in business-critical environments.
• Strong understanding of observability and monitoring practices including logs, metrics, tracing, dashboards, and alerting.
• Practical experience with AIOps, intelligent operations tooling, or AI-enabled monitoring and automation capabilities is preferred.
• Familiarity with applying AI or machine learning concepts in operations use cases such as anomaly detection, event correlation, incident prediction, intelligent alerting, and workflow automation is a plus.
• Good understanding of infrastructure security, access control, patching, vulnerability management, and compliance requirements.
• Experience working with engineering teams in agile and fast-paced delivery environments.
• Strong problem-solving skills with the ability to troubleshoot across infrastructure, platform, deployment, and application support layers.
• Known for promoting automation, operational excellence, reliability, and engineering best practices.
• At least 5-8 years of relevant working experience in DevOps, infrastructure engineering, platform operations, or related technology roles.
• Experience in eCommerce, retail, or high-transaction consumer-facing environments is a plus.
• Experience in multicultural and fast-paced organizations is preferred.
• Strong communication and collaboration skills.
• Proficient in spoken and written Cantonese and English.

我们正在支持一个资金充足的下一代 Layer 1 区块链项目。该平台专门用于现实世界资产（RWA）和稳定币的代币化及链上流通，重点关注机构的采用。

团队正在构建基础设施，将传统的 Web2 机构连接到 Web3，拓展链上资产的多样性，解锁新的收益机会，并促进更广泛的投资者参与。他们的使命是帮助企业克服操作、监管和知识障碍，使其能够以安全、合规和可扩展的方式在链上部署资产。凭借深厚的现实世界资产领域专业知识和强大的技术执行能力，团队正在开发面向机构的区块链基础设施和综合去中心化生态系统。

我们正在寻找一位优秀的区块链开发者，专注于区块链内部结构，旨在重新定义我们去中心化网络的性能界限。这个角色适合能够在执行层、虚拟机架构和跨链连接方面解决复杂挑战的技术愿景者。

职责

• 设计和优化高吞吐量虚拟机（VM），关注并行执行和与 EVM 兼容环境的低级调优。
• 主导复杂系统级合约的开发，通过专家审核和 Gas 优化确保最大效率和毫不妥协的安全性。
• 深入研究行业领先协议（如 Aptos、Solana 和 Ethereum）的源代码，以基准测试和实施更优的共识和执行策略。
• 在架构决策中担任主要利益相关者，通过详细的代码审查和工程团队的专业发展，维护工程卓越。
• 设计和部署稳健的互操作性框架，确保网络在更广泛的多链生态系统中保持灵活。

技术要求

• 精通 C++ 和系统级编程，关注高效数据结构和算法复杂性。
• 充分理解虚拟机机制，包括栈管理、状态转换和指令集架构（拥有 WASM 或 MoveVM 经验者尤佳）。
• 证明了开发高风险 Solidity 应用程序的能力，关注安全优先的模式和资源高效的代码。
• 有在基础层面分析并贡献主要公共链基础设施的记录。
• 计算机科学或相关定量领域的学位（优先考虑高级学位）。

高度重视的技能

• 使用 Rust 或 Go 构建高性能后端模块的经验。
• 数据库工程背景（例如，RocksDB/LevelDB 优化）或多线程并行处理经验。

We are supporting a well-funded, next-generation Layer 1 blockchain project. The platform is purpose-built for the tokenization and on-chain circulation of real-world assets (RWA) and stablecoins, with a strong focus on institutional adoption.

The team is building infrastructure that bridges traditional Web2 institutions into Web3, expanding on-chain asset diversity, unlocking new yield opportunities, and enabling broader investor participation. Their mission is to help enterprises overcome operational, regulatory, and knowledge barriers, allowing them to deploy assets on-chain in a secure, compliant, and scalable manner. With deep RWA domain expertise and strong technical execution, the team is developing institutional-grade blockchain infrastructure and a comprehensive decentralized ecosystem designed to support large-scale, real-world asset adoption.

We are seeking a high-caliber Blockchain Developer specializing in blockchain internals to redefine the performance boundaries of our decentralized network. This role is designed for a technical visionary who thrives on solving complex challenges within execution layers, virtual machine architecture, and cross-chain connectivity.

Responsibilities 

• Architect and refine high-throughput Virtual Machines (VMs), focusing on low-level tuning for parallel execution and EVM-compatible environments.
• Spearhead the development of sophisticated system-level contracts, ensuring maximum efficiency and ironclad security through expert-led audits and Gas optimization.
• Deep-dive into the source code of industry-leading protocols (such as Aptos, Solana, and Ethereum) to benchmark and implement superior consensus and execution strategies.
• Act as a primary stakeholder in architectural decisions, upholding engineering excellence through detailed code reviews and the professional development of the engineering team.
• Design and deploy robust frameworks for interoperability, ensuring the network remains agile within the broader multi-chain ecosystem.

Technical Profile

• Exceptional command of C++ and systems-level programming, with a focus on high-efficiency data structures and algorithmic complexity.
• Comprehensive understanding of VM mechanics, including stack management, state transitions, and instruction set architecture (WASM or MoveVM experience is highly valued).
• Proven ability to engineer high-stakes Solidity applications with a focus on security-first patterns and resource-efficient code.
• A track record of analyzing and contributing to major public chain infrastructures at a foundational level.
• A degree in Computer Science or a relevant quantitative field (Advanced degrees preferred).

Highly Valued Skills

• Experience building with Rust or Go for high-performance backend modules.
• Background in database engineering (e.g., RocksDB/LevelDB optimization) or multi-threaded parallel processing.