Senior Data Security Engineer at Coins | Shenzhen

Role overview Kody seeks a Senior Full Stack Engineer to join its core engineering team in Shenzhen, Guangdong Province, China. This position centers on designing, developing, and improving the company’s payment and settlement platform. The work spans the entire technology stack and calls for a strong sense of ownership in both delivering technical solutions and optimizing systems over time. What you will do End-to-end development: Design, build, and maintain scalable backend services along with user-facing frontend applications. Financial systems architecture: Develop and refine modules for payment, clearing, and settlement. Ensure data stays consistent and accurate while maintaining system reliability. Mobile integration: Contribute to Android app development and make sure business logic remains consistent and reusable across web and mobile platforms. Code quality and collaboration: Write clear, maintainable code. Join code reviews and help the team improve engineering standards and practices. AI-enhanced development: Use AI concepts and modern engineering practices. Apply advanced AI tools to prototype, accelerate development, and move features into production. Technical problem solving: Address complex technical challenges, especially those related to high concurrency and financial-grade security.

About Ultralytics:At Ultralytics, we are driven by a passion for pioneering advancements in artificial intelligence. We are on the lookout for talented individuals who share our vision of creating the finest YOLO AI models. If you have a fervor for AI and a desire to make a meaningful impact while thriving in a fast-paced environment, we encourage you to join our dynamic team. Location and LegalitiesThis full-time Junior Full Stack Developer position is located at our Ultralytics office in Shenzhen, China, operating under a hybrid model of 3 days in-office and 2 days remote work. ResponsibilitiesAs a Junior Full Stack Developer at Ultralytics, you will play a key role in developing and maintaining the Ultralytics Platform, our comprehensive solution for AI model development. Your key duties will include:Contributing to backend service development using Python and deploying serverless API functions on Vercel.Creating user-friendly and responsive frontend applications utilizing TypeScript and Next.js.Gaining experience with our infrastructure on Google Cloud Platform (GCP) for backend workers and Vercel for frontend and API deployments, employing Docker for containerization.Assisting in the implementation and maintenance of services for features such as cloud training and model deployment for Ultralytics YOLO models, utilizing MongoDB for data persistence.Facilitating the integration of authentication through Clerk and payment processing via Stripe.Engaging in our CI/CD processes utilizing GitHub Actions to ensure swift and reliable delivery.Collaborating with our AI research team to incorporate cutting-edge computer vision advancements into the platform.

About Us SharkNinja is a leading global product design and technology company, renowned for its diverse range of five-star rated lifestyle solutions that significantly enhance the lives of consumers worldwide. With two trusted global brands, Shark and Ninja, we have established a remarkable history of introducing disruptive innovations to the market, allowing us to expand into multiple product categories and achieve substantial growth and market share. Our headquarters are located in Needham, Massachusetts, and we employ over 4,100 dedicated associates. Our products are available at major retailers and online platforms globally. Exciting Responsibilities: Collaborate effectively with teams to deliver exceptional products to consumers.

About Us SharkNinja is an innovative global product design and technology company renowned for its diverse portfolio of five-star rated lifestyle solutions that enhance the everyday lives of consumers worldwide. With two trusted brands, Shark and Ninja, the company has a solid history of delivering groundbreaking innovations to the market. This ongoing commitment to developing consumer products has facilitated SharkNinja's expansion into numerous product categories, significantly boosting growth and market share. Based in Needham, Massachusetts, and employing over 4,100 associates, our products are available through major retailers and distributors globally. Exciting Responsibilities Await You: Collaborate with the new product development team to determine the optimal PCBA architecture during the R&D phase.Define and establish PCBA specifications for electronic systems throughout the R&D phase.Assist the Design Team in creating robust software control algorithms and logic.Coordinate with PCBA suppliers to develop new product PCBA during the NPD and NPI phases.Evaluate PCBA designs for safety, reliability, and DFM during NPD and NPI phases to ensure high-quality design standards.Employ systematic problem-solving techniques to identify root causes and formulate correction plans for issues arising in NPD and NPI phases.Conduct Design Verification Tests in each EB build to assess the robustness of PCBA designs.Review and approve PCBA design documentation during NPI and Pilot phases.Oversee the PCBA manufacturing and testing processes during NPI and Pilot phases.Provide engineering support to optimize quality and cost efficiency. Your Qualifications:Strong understanding of design and verification processes for power supplies, microprocessors, sensors, heaters, and motor controls.Proficient in schematic design, PCB layout, circuit simulation, and software development.

Founded in 2017, Lifebyte Systems is committed to creating a seamless ecosystem for resource exchange where efficiency and precision drive success. Our innovative solutions empower businesses to excel and individuals to realize their full potential. We are dedicated to high-tech advancements, transforming the future one Byte at a time.Key ResponsibilitiesDesign and implement robust financial infrastructure services, focusing on trade data processing and risk management.Develop and maintain sophisticated Windows-based C++ applications that integrate with exchanges and financial data providers.Collaborate with cross-functional teams on system architecture, code reviews, and technical discussions to uphold high standards of code quality and maintainability.Enhance system performance through optimization techniques, boosting trading system throughput and responsiveness.Engage in system testing, troubleshooting, and issue resolution to ensure software reliability and stability.Stay updated with the latest trends in the financial sector to continually improve product performance and memory usage.

Role overview The Senior Field Service Engineer at asm, based in Shenzhen, supports customers by maintaining and troubleshooting advanced equipment. This role combines practical technical work with regular customer interaction, ensuring equipment runs smoothly and clients receive timely assistance. Key responsibilities Diagnose and resolve equipment issues on-site to keep systems operating reliably. Carry out routine maintenance and repairs on company machinery. Provide technical support and answer product questions directly for clients. Train customers on proper equipment use and maintenance procedures. Share feedback with internal engineering teams to support ongoing product improvements. Requirements Proven experience in field service engineering, with a focus on troubleshooting and maintaining equipment. Skilled at communicating technical information clearly to clients. Flexible and collaborative, comfortable adapting to new challenges and working within a team.

Join Overview.ai as a Senior Field Engineer (Controls)At Overview.ai, we are at the forefront of AI computer vision in the manufacturing sector, tackling complex inspection challenges that traditional machine vision cannot solve. As a full-stack organization, we implement GPU-powered cameras in production lines, perform edge inference, and manage a robust platform that supports a global fleet of devices.Our rapid growth is fueled by our customers' satisfaction with our product, which delivers exceptional accuracy, swift deployment, and a user-friendly interface, enabling genuine factory implementations beyond mere pilot projects.Why You Will Love This RoleOwnership of Production: You won't just be providing support; you will take full responsibility for uptime and line performance on the factory floor.Challenging Problems: You will tackle complex issues such as intermittent I/O, timing jitter, noisy signals, and network flakiness.Growth Opportunities: Enhance your advanced control skills while collaborating with top-tier AI, embedded, and firmware teams to implement lasting solutions.High Talent Density: Work alongside passionate and efficient professionals who value your contributions and act swiftly on them.Travel and Autonomy: As a senior technical authority, you will enjoy the freedom to operate across various sites.Your ResponsibilitiesControls and Line IntegrationSeamlessly integrate Overview.ai systems into automation lines to ensure optimal performance.Commission and troubleshoot PLC-to-device communication using standard industrial protocols:EtherNet/IP, PROFINET, Modbus, OPC UA (and their real-world variants).Diagnose and resolve timing and triggering issues, including:Double triggers, missed triggers, trigger bounce, incorrect edge detection, latency/jitter, and inconsistent handshakes.Debug inconsistent network communications and ensure reliable operations.

Join Our AdventureFounded in 2014 by visionary entrepreneurs Henry and Joel, ShopBack is not merely a Cashback platform; it’s a revolutionary approach to transforming the connection between brands and consumers. With their extensive experience in advertising, they recognized the shortcomings of traditional marketing and seized the opportunity to create a more valuable experience for both parties. What began as a weekend project among co-founders has grown into a thriving business, now serving over 50 million users across 13 markets, collaborating with more than 20,000 merchants, and facilitating over half a million transactions daily. We are on a mission to build The World’s Most Rewarding Way to Shop, and we’re in search of ambitious and innovative individuals to join our team.About the Position:As a Senior Backend Software Engineer at ShopBack, you will be part of a dynamic and diverse team dedicated to developing scalable and efficient platforms that cater to eCommerce traffic worldwide. Your contribution will play a crucial role in delivering exceptional product experiences. We seek individuals who are passionate about tackling complex challenges, take pride in producing top-tier products, and thrive in a collaborative environment.Who You Are:You possess resilience, self-motivation, and a strong drive to make a difference through your work. You are passionate about your craft, continually seeking opportunities for improvement and innovative solutions to challenging problems.

Our JourneyFounded in 2014, ShopBack emerged from an inspiring late-night idea by Henry and Joel. Our mission extends beyond just creating a Cashback platform; we aim to transform the connection between brands and consumers. Armed with their experience as former advertisers, Henry and Joel recognized the constraints of traditional marketing and identified a unique opportunity to enhance value for both parties. This vision quickly materialized into action, with the first prototype being developed over a weekend with our co-founders. Today, ShopBack proudly serves over 50 million users across 13 markets, collaborates with more than 20,000 merchants, and facilitates over half a million transactions every day. We are on a quest to create The World’s Most Rewarding Way to Shop, and we're inviting passionate, dynamic individuals to join our journey.About the RoleAt ShopBack, our engineering teams are dedicated to building scalable and efficient platforms that cater to eCommerce and travel traffic across the region, ensuring world-class product experiences. You will become part of a diverse and talented group of engineers driven to redefine how users discover, compare, and book travel products.We are expanding our Travel engineering team and are in search of seasoned engineers with experience in developing large-scale travel or OTA (Online Travel Agency) systems. If you have expertise in flight, hotel, or activities search platforms, pricing engines, real-time availability systems, or GDS integrations, we would love to hear from you.We seek individuals who are resilient, self-motivated, and eager to see the tangible impact of their work on a daily basis. Your passion for your craft and continuous pursuit of innovative solutions to complex challenges will be key to your success.

Join Our MissionAt ShopBack, we are redefining the eCommerce landscape since our inception in 2014. Our founders, Henry and Joel, envisioned not merely a Cashback platform but a transformative approach to how brands and consumers engage with one another. Recognizing the shortcomings of traditional marketing, they seized the opportunity to offer more substantial value to both consumers and brands. This vision quickly became reality, leading to the creation of our first prototype over a weekend with our co-founders. Today, ShopBack boasts over 50 million users across 13 markets, partners with more than 20,000 merchants, and facilitates over half a million transactions every day. We are on a mission to create the world’s most rewarding shopping experience, and we are looking for innovative and driven individuals to join our journey.Position OverviewWe are expanding our Travel engineering team and are in search of seasoned engineers with experience in developing large-scale travel or Online Travel Agency (OTA) systems. If you have a background in building flight, hotel, or activities search platforms, pricing engines, real-time availability systems, or GDS integrations, we want to hear from you. You will collaborate with a talented team of engineers who are passionate about revolutionizing the way users discover, compare, and book travel products.We are looking for resilient, self-driven, and highly motivated individuals who are eager to see the impact of their work daily. If you have a passion for problem-solving and continuously seek better ways to tackle challenges, you will find a fulfilling career with us.

Abound is reshaping consumer lending by using AI and Open Banking data to make personal finance more accessible and fair. The company looks beyond credit scores, reviewing each customer’s full financial profile to better understand individual needs. Abound has issued over £1.3bn in loans and maintains credit performance significantly above industry averages. With backing from major investors and rapid growth, Abound has become a notable fintech leader in Europe. Role overview The Senior DevOps Engineer, based in Shenzhen, will join the Platform team to support Abound’s Unsecured Personal Loans (UPL) products. This position serves as a dedicated expert, connecting core platform capabilities with the UPL product engineering group. The role focuses on managing infrastructure, deployment pipelines, and automation tools for this business area. As an Individual Contributor, the position offers autonomy and the chance to make a direct impact. What you will do Standardize and optimize infrastructure for the UPL team using AWS CDK and Terraform, especially during the first 6 to 12 months Collaborate with UPL engineers to identify and resolve bottlenecks in the deployment lifecycle Redesign CI/CD pipelines to improve release speed and reliability Handle daily infrastructure needs, apply cloud best practices, and drive automation Work as a trusted partner to the product team, supporting secure and efficient feature delivery Technology stack Cloud & Compute: AWS, ECS Fargate, Kubernetes, Lambda Infrastructure as Code & Languages: AWS CDK, Terraform, Python, Bash CI/CD & Version Control: GitLab CI Observability & Tooling: Amazon Managed Services

Teamwork makes the stream work. Revolutionizing the TV ExperienceRoku stands as the premier TV streaming platform across the U.S., Canada, and Mexico, with aspirations to enhance viewing experiences globally. We have pioneered the way viewers engage with their televisions, connecting them to the content they adore, empowering publishers to cultivate and monetize large audiences, and offering advertisers unparalleled opportunities to engage viewers.From day one at Roku, you'll play a pivotal role in our journey. Join our rapidly expanding public company where your contributions matter. Experience the thrill of delighting millions of streamers while acquiring significant insights across diverse disciplines. About the TeamThe Devices Hardware Engineering team is at the forefront of creating the physical products that deliver the Roku experience to homes worldwide. We specialize in designing and developing leading-edge hardware, including set-top boxes, streaming sticks, remotes, and innovative devices. Our skilled engineers focus on producing high-performance, cost-effective, and reliable consumer electronics on a global scale. Our fast-paced environment demands technical excellence, independence, and the ability to manage the full design lifecycle.Role OverviewWe are on the lookout for a Senior Hardware Engineer to become a part of our Devices Hardware Engineering team in Shenzhen. As the first electrical engineer in Asia, you'll serve as a vital link between our headquarters and manufacturing partners. You will spearhead new product development, overseeing everything from initial concept to mass production for devices like set-top boxes and streaming players.The ideal candidate will be a proactive and resourceful team player adept at managing multiple projects and excelling in a dynamic, fast-paced environment. You will leverage your expertise to ensure projects align with design, quality, schedule, and budgetary goals. Key ResponsibilitiesDesign Ownership: Lead the complete electrical system (BOM/Schematics/PCB) for new products.Cross-functional Collaboration: Work closely with Software, Mechanical Engineering, and Program Management teams based in the U.S.

Join Our VisionAt ShopBack, we are reimagining the connection between brands and consumers. Since our inception in 2014, co-founders Henry and Joel have worked tirelessly to innovate the Cashback experience, addressing the shortcomings of traditional marketing. Today, ShopBack is a leader in the Cashback industry, serving over 50 million users across 13 markets and collaborating with more than 20,000 merchants to facilitate half a million transactions daily. We are on a mission to create The World’s Most Rewarding Way to Shop. We invite passionate and ambitious individuals to join our dynamic team.

About ShopBack Group ShopBack Group is a leading shopping, rewards, and payments platform serving over 60 million shoppers across 13 markets in the Asia-Pacific region. Founded in 2014, ShopBack works with more than 20,000 partners and processes over US$5.5 billion in annual sales, both online and offline. Shoppers have earned over US$800 million in Cashback through the platform. ShopBack’s offerings include ShopBack Pay, designed to make checkout seamless and rewarding for users. The company is planning to expand into North America by 2025. Role Overview As a Senior Fullstack Software Engineer based in Shenzhen, join engineering teams that build and maintain scalable platforms supporting global eCommerce traffic. The work focuses on delivering a reliable, high-quality product experience for millions of users. Teams are made up of engineers from different backgrounds, all committed to making a real impact in the eCommerce space. Collaboration and a focus on quality are central to the team’s approach. Who Thrives Here Resilient and self-motivated engineers who take initiative Individuals who enjoy seeing the direct results of their work Engineers who seek continuous improvement and like to solve tough problems People who value teamwork and take pride in building products that matter

About AboundAt Abound, we are at the forefront of transforming consumer lending across the UK and beyond. By leveraging cutting-edge AI and Open Banking data, we empower individuals with access to fair and affordable personal finance options. Unlike traditional lenders who primarily rely on credit scores, we analyze the complete financial picture - considering spending habits and repayment capabilities to develop a more profound and precise understanding of each customer's unique financial landscape.Our success is evident as we have disbursed over £1.3 billion in loans directly to customers, achieving a market-leading credit performance - with only 3 defaults for every 10 anticipated by the industry. Remarkably, we achieved profitability just 2.5 years post-launch.With over £2 billion in backing from prestigious investors including Citi, GSR Ventures, and Deutsche Bank, we are recognized among Europe’s fastest-growing fintechs (Sifted, CNBC). As we expand into new markets and product lines, we seek ambitious individuals who are eager to learn quickly, assume ownership, and grow alongside us.We are currently seeking a seasoned professional to join our team as a Senior Software Engineer. This role demands an enthusiasm for exploring and understanding new business domains.At Abound, we cultivate a culture of ownership and value engineers who are passionate about the business, collaborating closely with stakeholders to enhance business processes and elevate customer experiences.This position offers an extensive array of opportunities in platform engineering, B2B customer integration, conversion optimization, and business process automation. You will engage with our state-of-the-art open-banking decision-making platform and learn to operate with low-latency at scale.Candidates should possess experience in directly engaging with internal stakeholders to gather requirements, designing technical solutions, and taking ownership of delivering substantial functionalities. Proficiency in both Chinese and English is essential for effective communication and collaboration.Our technology stack includes: Python (with FastAPI, OpenTelemetry, procrastinate, SQLAlchemy, Uvicorn), Postgres, MySQL, Liquibase, Retool, Docker, AWS

Location: Shenzhen, China | Occasional business trips to Hong Kong required. Position Type: Full-time | Senior Android Engineer (Kotlin)About KodyKody is a forward-thinking technology company with offices in Singapore, London, and Hong Kong. We are dedicated to developing high-quality, scalable payment solutions that drive innovation and growth in the fintech sector, providing stable and reliable technological products and services to clients worldwide.As our business expands, we are seeking a Senior Android Engineer responsible for mobile development within our core payment system, ensuring an exceptional user experience across multiple devices and contexts. You will engage in the entire product lifecycle, from requirement definition and architectural design to iterative launches, deeply influencing technical decisions and the payment experience for users globally.If you are proficient in Kotlin or Java, well-versed in the Android platform, and eager to thrive in a multicultural, high-tech international team where you can make a significant impact, we look forward to welcoming you aboard to innovate the global payment experience!Position OverviewAs a Senior Android Engineer, you will closely collaborate with team members to lead the development of new features while ensuring application performance, reliability, and stability. Additionally, you will work alongside product managers, designers, and other technical teams to define, design, and deliver new functionalities. We expect you to have a robust Android technical background and a comprehensive understanding of the entire ecosystem.This role supports flexible work arrangements and requires residency in Shenzhen, with potential periodic visits to our Hong Kong office for collaboration based on team needs or project developments.Key Responsibilities Design, develop, and maintain high-quality Android mobile applications Ensure application performance, stability, and feature completeness across various devices and operating systems Collaborate with product managers, designers, and backend developers to bring new features to life Write high-quality, maintainable, high-performance code Debug and resolve various technical issues within the application Stay updated with the latest trends in the Android technology ecosystem and apply them to real projects Lead the system architecture and technical design of applications Provide technical guidance and mentorship to other engineers on the team Actively participate in code reviews and technical assessments to enhance engineering quality RequirementsQualifications Extensive Android development experience with a deep understanding of Android platform principles and development ecosystems Proficient in Kotlin programming language and Android SDK Familiar with commonly used Android development frameworks, components, and design patterns Strong knowledge of software engineering principles and best practices Familiarity with server API interaction processes, with gRPC/protobuf experience preferred Excellent problem analysis and resolution skills, with clear logical thinking Strong communication skills and a team-oriented spirit Detail-oriented, striving for exceptional product quality Ability to independently drive project progress while possessing a strong sense of teamworkBenefitsWhy Join Kody? Global technology company with offices in Singapore, London, and Hong Kong. Remote work + Hong Kong office, offering flexible working arrangements. Tech-driven culture where engineers have a core influence on product decisions. Challenging projects involving large-scale backend architecture design and optimization. Competitive salary and benefits that reward your technical contributions.

Teamwork makes the stream work. Join Roku and Transform the Future of TelevisionAs a pioneer in the TV streaming industry, Roku has established itself as the leading platform in the United States, Canada, and Mexico. Our vision is to power every television globally, connecting audiences with their favorite content while supporting content publishers and advertisers alike.From day one, your contributions at Roku will be significant and appreciated. In our dynamic and rapidly expanding company, every team member plays a crucial role. We invite you to create delightful experiences for millions of TV streamers worldwide while gaining invaluable insights across various fields. About the TeamThe TV Technology team, part of Roku's New Product Introduction (NPI) group, is dedicated to delivering exceptional Audio Quality (AQ) and Picture Quality (PQ). With millions of TVs sold and billions of hours streamed, we prioritize world-class performance. About the RoleWe are looking for a Senior Quality Assurance Engineer to enhance our TV Technology team in Shenzhen. In this role, you will assist our TV partners in crafting the finest Smart TVs. Your expertise in AQ and PQ will be critical in achieving optimal audio and picture performance for mass-produced TV models, collaborating closely with our partners, SOC vendors, and Roku engineers. You will also focus on optimizing and automating current audio and picture testing strategies, leveraging AI and automation tools for improved efficiency and coverage. Key ResponsibilitiesDesign, develop, and execute comprehensive test cases for AQ and PQ feature verification, ensuring high-quality deliverables.Work closely with development engineers to diagnose issues, conduct iterative testing, and enhance feature quality throughout the product lifecycle.Continuously refine AQ and PQ testing strategies, identifying opportunities for improved efficiency and coverage.Create, maintain, and improve automation scripts primarily using Python to increase testing efficiency.

Join Grab as a Senior Backend Software Engineer specializing in cutting-edge LiDAR and 3D technologies. In this role, you will be instrumental in developing robust backend systems that support our innovative solutions. We are looking for a highly skilled engineer who is passionate about technology and eager to take on complex challenges in a dynamic environment.

Join Our MissionAt ShopBack, we are redefining the way consumers and brands interact. Founded in 2014 by visionaries Henry and Joel, we sought to create not just a Cashback platform, but a revolutionary ecosystem where value is maximized for both sides. Our journey began with a weekend prototype crafted by the founding team, and today, we proudly serve over 50 million users across 13 markets, collaborating with over 20,000 merchants and facilitating more than half a million transactions daily. We are on a mission to build The World’s Most Rewarding Way to Shop, and we invite passionate, driven individuals to join us in this endeavor.About the PositionAs a Senior Site Reliability Engineer at ShopBack, you will play a crucial role in developing scalable platforms while leveraging cutting-edge technologies to deliver a premier product. You will collaborate with a diverse team of innovative engineers who share a common goal of transforming the eCommerce landscape. We are looking for individuals who are solution-oriented, take pride in their work, and thrive in a team environment.If you are motivated by the desire to make a tangible impact with your work, possess a passion for your craft, and continuously seek improvement and innovative solutions to complex challenges, we would love to hear from you.