Senior Software Engineer

Location
Singapore
Rate, USD
Not specified
Work schedule
Full Time, Contract, Part Time,
Language skills
English
Available for Hire
Yes
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About me

I am a Full-Stack Developer with strong experience building web, mobile, and desktop applications, combined with hands-on expertise in AI agents, LLM integration, and end-to-end AI product development. I am skilled in designing scalable architectures, creating intuitive user interfaces, and delivering reliable, high-performance applications across multiple platforms.

Over the years, I have built intelligent agents for lead generation, data enrichment, scraping, and business workflow automation using LLMs and custom logic. I have created autonomous pipelines for document processing, email automation, meeting summaries, and data extraction, implementing fine-tuning, RAG, embeddings, and prompt engineering for domain-specific reasoning.

I have integrated AI models with existing client systems such as CRM, ERP, voice/chat tools, and analytics stacks. My experience includes designing and delivering full-stack applications using React, Next.js, TypeScript, Node.js, NestJS, Electron, Flutter, and React Native. I have built end-to-end AI systems including LLM-powered agents, intelligent automation pipelines, AI chatbots, and task-orchestration frameworks using Python, LangChain, OpenAI APIs, and vector databases.

I have engineered scalable backend architectures with microservices, REST, GraphQL, WebSockets, and event-driven communication. Additionally, I have developed cloud-native infrastructure on AWS, Google Cloud, and Docker, implementing CI/CD pipelines, auto-scaling, API gateways, and secure deployments.

My work also includes building complex data workflows such as ETL pipelines, data preprocessing, model integration, and real-time analytics dashboards. I have implemented authentication and authorization using JWT, OAuth, Firebase Auth, and role-based access control systems. I create interactive front-end interfaces with React, Redux, Tailwind CSS, Material UI, Ant Design, and Framer Motion/GSAP for animations.

I have integrated AI-assisted features such as text classification, recommendation engines, summarization, speech-to-text, and computer vision models. I have developed cross-platform desktop automation tools and internal utilities using Electron and Node.js, boosting productivity and reducing manual workflows.

I collaborate closely with product owners, designers, and engineering teams to define technical requirements, system architecture, and delivery plans. I lead code reviews, optimize system performance, reduce cloud costs, and maintain high-quality engineering standards.


Professional area



Education

04/2017 – 03/2020 Master of Computing @ National University of Singapore (NUS)

Studied full-stack application architecture, cloud systems, and enterprise software design. Completed advanced coursework in distributed systems, web technologies, databases, and API engineering. Built end-to-end applications (web, mobile, backend, and devops). Focused on scalable system design, microservices, CI/CD pipelines, and cloud-native deployment.

04/2013 – 03/2017 Bachelor of Science in Computer Science @ National University of Singapore (NUS)

Built a strong foundation in algorithms, data structures, object-oriented programming, and software engineering principles. Studied core subjects including operating systems, computer networks, databases, and distributed computing. Developed full-stack web and mobile applications using modern frameworks and development best practices. Completed practical projects involving API development, UI/UX design, and data-driven application architecture. Gained experience with version control, testing, and Agile development methodologies. Participated in team based engineering projects that simulated real world product development workflows.


Experience

2019 – Present AI & Automation Engineer @ Independent Projects

Built intelligent agents for lead generation, data enrichment, scraping, and business workflow automation using LLMs + custom logic. Created autonomous pipelines for document processing, email automation, meeting summaries, and data extraction. Implemented fine-tuning, RAG, embeddings, and prompt engineering for domain-specific reasoning. Integrated AI models with existing client systems (CRM, ERP, Voice/Chat tools, analytics stacks).

2017 – Present Senior Full-Stack & AI Solutions Developer @ Axinity / Freelance / Contract Roles

Designed and delivered full-stack applications across web, mobile, and desktop, using React, Next.js, TypeScript, Node.js, NestJS, Electron, Flutter, and React Native. Built end-to-end AI systems, including LLM-powered agents, intelligent automation pipelines, AI chatbots, and task-orchestration frameworks using Python, LangChain, OpenAI APIs, and vector databases. Engineered scalable backend architectures with microservices, REST, GraphQL, WebSockets, and event-driven communication. Developed cloud-native infrastructure on AWS, Google Cloud, and Docker, implementing CI/CD pipelines, auto-scaling, API gateways, and secure deployments. Built complex data workflows including ETL pipelines, data preprocessing, model integration, and real-time analytics dashboards. Implemented authentication & authorization using JWT, OAuth, Firebase Auth, and role-based access control systems. Created interactive front-end interfaces with React, Redux, Tailwind CSS, Material UI, Ant Design, and Framer Motion/GSAP for animations. Integrated AI-assisted features such as text classification, recommendation engines, summarization, speech-to-text, and computer vision models. Developed cross-platform desktop automation tools and internal utilities using Electron – Node.js, boosting productivity and reducing manual workflows. Collaborated with product owners, designers, and engineering teams to define technical requirements, system architecture, and delivery plans. Led code reviews, optimized system performance, reduced cloud costs, and maintained high-quality engineering standards.

2015 – 2017 Full-Stack Developer (Web, Mobile, Desktop) @ Freelance / Client Projects

Delivered custom websites, e-commerce solutions, dashboards, and mobile apps for small to mid-sized businesses. Built reusable UI components, responsive layouts, and optimized front-end performance. Implemented payment systems (Stripe, PayPal), notification services, and secure API integrations. Worked with PostgreSQL, MySQL, MongoDB, Redis, and SQLite for data modeling and optimization.


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