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Builds and scales data pipelines, crawlers, and semantic search systems using Golang/Node.js, MongoDB, PostgreSQL, and vector databases to power AI-driven financial analytics and RAG workflows.
Builds and maintains web apps and batch systems using Java/Spring, cloud-native tools, and occasionally machine learning for B2B/B2C clients.
Build and maintain backend services using Golang or Ruby on Rails to power web and mobile applications in a hybrid work setup.
Build and scale data pipelines, crawlers, and semantic search systems using Golang/Node.js, PostgreSQL, and vector databases to power AI-driven financial analytics and RAG integrations.
Build blockchain apps on Ethereum, BSC, Polygon, Polkadot, Hyperledger and Cosmos using Solidity, JavaScript and Node.js; research DeFi, NFTs, oracles and cross-chain tech.
Build and maintain web interfaces with Next.js and TypeScript, integrate APIs, and occasionally handle basic backend tasks in Go.
Build and scale the backend of a trading platform using Python, Django, and PostgreSQL, collaborating with Singaporean teams and ensuring performance and scalability.
Build and maintain scalable Java microservices using Spring Boot, REST/gRPC APIs, and cloud-native tools on AWS and Kubernetes.
Lead backend development using .NET Core, PostgreSQL, and ElasticSearch to build scalable services for a B2B e-commerce platform, while mentoring engineers and optimizing cloud infrastructure on Kubernetes.
Build and maintain backend services in Java Spring Boot for digital-transformation projects like ERP, e-commerce, and smart-agriculture systems.
Backend Java developer building banking and fintech modules using Spring Boot, Oracle/SQL, and REST APIs; onsite in Vietnam.
Senior Java backend developer building and maintaining scalable services using Spring Boot, AWS, and CI/CD pipelines for a product-focused team.
Build and maintain scalable backend services for a logistics/e-commerce platform using Go or Python, optimizing performance and reliability while collaborating on new features.
Build and scale the backend of a trading platform using Python/Django, PostgreSQL, and DevOps tools while collaborating with Singaporean teams.
Build and maintain mobile games using PHP, Java, and JavaScript, ensuring stable performance and user-friendly experiences.
Build and maintain back-end services using PHP Laravel and Node.js for outsource projects in ecommerce, edtech, and internal products, with team leadership and code review duties.
Build and maintain web and mobile apps using Ruby on Rails, Flutter, and AWS, focusing on architecture and performance.
Builds and maintains server-side systems, APIs, and databases (MySQL, MongoDB, Redis) using PHP/Node.js, Docker, and cloud services to ensure secure, scalable backend operations.
Builds full-stack web apps using Python backends, JavaScript frontends (React/Vue), REST APIs, and databases like MySQL/MongoDB, with DevOps on AWS/Azure.
Backend developer building e-commerce and digital-health software in C# or Java, integrating APIs and optimizing databases for telemedicine and health-tech projects.
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