Senior Full-Stack AI Engineer Generative & LLM Apps

Codex Solutions; Singapore; On-site; SGD 120,000 - 180,000; Full time

Benefits offered by this job

Career development

Modern tools & cloud tech

Secure DevSecOps environments

Job summary

Codex Solutions is hiring a senior full-stack engineer to develop full-stack, reactive web applications for desktop and cloud platforms such as AWS, Azure or GCP.

You will collaborate with UX/UI designers, AI engineers and QA to build AI-enabled features, ensure secure, scalable architectures, and deliver high-quality software across multi-site deployments. 6+ years of experience and strong communication are required.

Qualifications

• Postgraduate / Tertiary qualification in computer science, engineering, information systems or other quantitative / analytical fields.
• More than 6 years of relevant experience in technology development with min. 3 years of experience in delivering large-scale projects with multi-sites deployment and proven track records.
• Hands-on experience with front end languages such as HTML5, CSS and JavaScript and frameworks such as React or Angular.
• Hands-on experience with back-end technologies / framework such as Python, Node, Express and SQL/NoSQL Database.
• Hands-on experience with test automation and CI/CD workflow.
• Hands-on experience with Docker and Kubernetes is preferred.
• Experience with software development practices using Agile SCRUM or Kanban methodology.
• Ability to communicate technical concepts in a clear and effective manner.
• Ability to work effectively with cross-functional teams.
• Having domain knowledge in Homeland Security sector will be an added advantage.

Responsibilities

• Develop full-stack, reactive web applications for deployment on desktop or cloud platforms.
• Collaborate with UX/UI designers to develop responsive front-end user interfaces using HTML, CSS, React.js or equivalent technologies.
• Work with AI Engineers and Software Engineers to develop server-side applications using Python, Node.js or equivalent frameworks.
• Leverage AI-assisted development tools to improve software development productivity, code quality and engineering workflows.
• Apply hands-on experience with Generative AI and Agentic AI to design and implement intelligent application features and workflows.
• Integrate Generative AI, Large Language Models (LLMs), Retrieval-Augmented Generation (RAG) and Agentic AI capabilities into applications through APIs and appropriate architecture, enabling secure, scalable and maintainable intelligent features and workflows.
• Work with QA engineers to develop test scripts and ensure the quality and reliability of applications.
• Troubleshoot and resolve technical issues during development and in production.
• Document and communicate full-stack and AI integration designs to technical stakeholders.
• Apply DevOps, CI/CD, automated testing, software design and secure coding best practices.
• Keep abreast of emerging technologies, tools and trends across full-stack development, Generative AI and Agentic AI.
• Work closely with engagement and product managers to develop prototypes and demos for end users.

Skills

Cross-functional collaboration

Communication

Team player

Self-motivated

Problem solving

Education

Postgraduate / Tertiary qualification in CS/Engineering/IS

Tools

JavaScript

HTML5

CSS

React.js

Angular

Python

Node.js

Express

SQL/NoSQL

Docker

Kubernetes

CI/CD

GCP

Microsoft Azure

AWS

Job description

Codex Solutions is hiring a senior full-stack engineer to develop full-stack, reactive web applications for desktop and cloud platforms such as AWS, Azure or GCP.

You will collaborate with UX/UI designers, AI engineers and QA to build AI-enabled features, ensure secure, scalable architectures, and deliver high-quality software across multi-site deployments. 6+ years of experience and strong communication are required.