Application Development Engineer

Singapore University of Social Sciences; Singapore; On-site; SGD 90,000 - 140,000; Full time

Job summary

Singapore University of Social Sciences is seeking an experienced Application Developer to design, develop and enhance software applications, integrating AI services and cloud offerings. You will ensure UI/UX feasibility, perform system integration and contribute to security and quality control across the SDLC.

Ideal candidates have a bachelor's in CS/IT, 5+ years in full-stack development, and hands-on experience with Node.js, React.js, REST APIs, SQL/NoSQL, AWS, and AI frameworks.

Qualifications

• Bachelor’s degree in Computer Science/IT/Software.
• 5+ years of software development experience and minimum 3 complete SDLC projects.
• Experience in Full-stack development using Node.js, React.js and RESTful Web Services.
• Frontend: HTML5, CSS3, Material UI, Angular.js and JavaScript.
• Database: MySQL and MongoDB.
• Server: AWS (EC2, Beanstalk, RDS) and basic Linux.
• Understanding of RESTful API architecture.
• Strong knowledge of AI, GenAI, LLMs and AI API integration.
• Familiarity with RAG, vector databases, MCP, semantic search.

Responsibilities

• Design, develop and continuously enhance software applications.
• Integrate AI services, APIs and cloud AI offerings into enterprise apps.
• Monitor and optimize AI-enabled apps for performance and reliability.
• Align design with security standards and perform security assessments.
• Conduct peer code reviews and maintain system quality.
• Maintain software and support user inquiries.
• Troubleshoot errors and perform data patches.
• Perform system upgrades and enhancements.
• Research and implement emerging technologies.

Skills

Full-stack development

Interpersonal skills

AI/GenAI knowledge

API integration

Problem solving

Education

Bachelor’s degree in Computer Science/Information Technology/Software

Tools

Node.js

React.js

RESTful Web Services

JSON

MySQL

MongoDB

AWS

HTML5

CSS3

Material UI

Angular.js

JavaScript

Job description

Application Development

• Provide, recommend and evaluate various possible solutions and clearly communicate the costs and benefits of the various solutions.
• Ensure the technical feasibility of UI/UX designs.
• Support system deployment and perform integration with various external systems as required.
• Design, develop and continuously enhance software applications.
• Integrate and consume AI services, APIs and cloud-based AI offerings within enterprise applications.
• Monitor, evaluate and optimise the performance, accuracy and reliability of AI-enabled applications.

Security

• Align system design and development with organisational standards and best practices for security and software development.
• Maintain, fix and perform necessary system security assessments on assigned systems to uphold the University's cybersecurity posture.

System Quality Control

• Ensure systems are robust, available and scalable as needed
• Perform peer code reviews.

Maintenance

• Design and improve new and existing software systems based on evolving business processes and stakeholder requirements.
• Maintain software applications and support user inquiries and requests.
• Troubleshoot errors and issues.
• Perform bug fixes and data patching.
• Perform system upgrades and enhancements.

Emerging Technologies Research & Implementation

• Actively participate in researching and implementing emerging technologies.
• Design and propose solutions using emerging technologies for new and existing systems.
• Research, evaluate and implement AI, GenAI, LLMs, and Agentic AI technologies to enhance business processes and user experiences.
• Design, develop and integrate AI-powered capabilities such as intelligent assistants, chatbots, recommendation engines, document processing, knowledge retrieval and workflow automation into new and existing applications.
• Implement and maintain AI solutions using techniques such as Retrieval-Augmented Generation (RAG), vector databases, Model Context Protocol (MCP), AI agents and prompt engineering where applicable.
• Ensure AI solutions comply with organisational governance, security, privacy and responsible AI guidelines.

Job Requirements

• Bachelor’s Degree in Computer Science/Information Technology/Software
• At least 5 years of software development experience and minimum 3 complete SDLC projects
• Experience in Full-stack development, object-oriented analysis & design, building web applications and familiar with the following technology:
  • Application Tier: Node.js, React.js and Restful Web Services, JSON etc.
  • User interface Tier: responsive user-facing web interfaces for Web and mobile using HTML5, CSS3, Material UI, Angular.js and JavaScript
  • Database Tier: Relational database like MySQL or Object-Relational database (No SQL Db) like MongoDB is required
  • Server Tier: Amazon Web Services (EC2, beanstalk and RDS) along with basic Linux administration.
  • General understanding of RESTful API architecture.
• Solid understanding of the full web technology stack, including protocols and Web server optimization techniques (e.g HTTP, cookies, headers, asset loading/caching)
• Proficient understanding of cross-browser compatibility issues and ways to work around them
• Good interpersonal skills
• Basic understanding of AI, GenAI, and LLMs.
• Exposure to AI-assisted application development, including the integration of AI APIs and services from platforms such as OpenAI, Anthropic, AWS, or equivalent cloud AI services.
• Familiarity with concepts such as:
  • Retrieval-Augmented Generation (RAG)
  • AI Agents / Agentic Workflows
  • Vector Databases
  • Model Context Protocol (MCP)
  • Semantic Search and Knowledge Retrieval
• Experience with AI development frameworks such as LangChain, LangGraph, or similar orchestration frameworks is advantageous.