Full Stack Engineer

RAPSYS TECHNOLOGIES PTE. LTD.; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

RAPSYS TECHNOLOGIES PTE. LTD. is seeking a skilled Full Stack Engineer to translate business requirements into scalable cloud-based solutions.

You will work across backend and frontend, integrate systems and APIs, and contribute to architecture diagrams. The role emphasizes AWS, Terraform IaC, GitLab CI/CD, and secure authentication flows, with a focus on observability, security, and reliable deployments. Collaboration with teams to deliver robust software while aligning with government security

Qualifications

• Hands-on AWS cloud services experience.
• IaC experience with Terraform.
• DevOps practices and CI/CD pipeline setup, preferably GitLab.
• Proficiency in Python, TypeScript, React.
• Experience in software engineering and system design.
• Experience implementing security best practices for systems.
• Observability technologies experience.
• Ability to read and develop architecture diagrams.
• Strong problem-solving abilities and attention to detail.
• Collaborative team player with good communication skills.
• Adaptability to evolving requirements and technologies.
• Experience designing or contributing to identity systems.

Responsibilities

• Understand business requirements and translate them to fit-for-purpose solutions
• Review existing cloud systems and identify improvement areas
• Set up and configure repositories for multiple systems
• Migrate existing systems to other environments
• Establish DevOps pipelines including testing, scanning, and CICD
• Provision and manage AWS resources to support deployment and scaling
• Implement IaC using Terraform for reproducible deployments
• Integrate backend systems and APIs with frontend application
• Integrate applications with external authentication systems with secure flows
• Apply security best practices throughout the lifecycle
• Design interfaces with external systems
• Develop and review application code
• Implement observability, monitoring, and fault tolerance
• Ensure compliance with government security policies and standards
• Document architecture and design decisions

Skills

Python

TypeScript

React

Software engineering

System design

Identity systems

Security best practices

Observability

Architecture diagrams

Problem solving

Team collaboration

Communication skills

Adaptability

Education

Bachelor's degree in computer science or related field

Tools

Terraform

GitLab

AWS

CI/CD pipelines

Job description

Role: Full Stack Engineer

Objectives and Responsibilities

• Understand business requirements and translate them to fit-for-purpose solutions
• Review existing cloud systems and solutions to identify areas for improvement
• Set up and configure repositories for multiple systems
• Migrate existing systems to other environments
• Establish DevOps pipelines including testing, scanning, and CICD
• Provision and manage AWS cloud resources to support application deployment and scaling
• Implement IaC using Terraform for consistent and reproducible deployments
• Integrate backend systems and APIs with frontend application
• Integrate applications with external authentication systems with secure authentication flows
• Implement security best practices throughout the development lifecycle
• Design interfaces with external systems
• Develop and review application code
• Implement solutions for observability, monitoring, and fault-tolerance
• Ensure applications comply with government security policies and standards
• Document architecture and design decisions

Required Skills and Experience

• Hands-on experience with AWS cloud services
• Experience with Infrastructure as Code tools, particularly Terraform
• Knowledge of DevOps practices and CI/CD pipeline setup, preferably GitLab
• Proficiency in Python, Typescript, React
• Experience with software engineering and system design
• Experience with implementing best practices for system security
• Experience in observability technologies
• Experience with developing and understanding architecture diagrams
• Strong problem‑solving abilities and attention to detail
• Ability to work collaboratively in a team environment
• Good communication skills for technical documentation and stakeholder interaction
• Adaptability to work with evolving requirements and technologies
• Experience designing or contributing to identity systems

Preferred Qualifications

• Bachelor's degree in computer science, software engineering or a related field