Full Stack Engineer

Persevio; Singapore; Hybrid; SGD 42,000 - 72,000; Full time

Job summary

Persevio is seeking a Junior Full Stack Software Engineer in Singapore to contribute to mobile and backend development, build user-facing features, and help turn AI prototypes into production-ready solutions.

You will report to the engineering leadership and collaborate across application development, backend services, and applied AI implementation, contributing to both public sector and commercial projects.

Qualifications

• Experience with React Native for mobile apps.
• Ability to obtain and maintain required security clearances.
• Strong builder mindset with ownership in fast-moving environments.
• Available to start by September for upcoming projects.
• Willingness to work in a hybrid model with in-person collaboration when required.

Responsibilities

• Develop and deliver mobile features using React Native with strong UX.
• Collaborate on AI-driven workflows, integrating LLMs and multi-step reasoning into production services.
• Write clean, reliable, and observable code meeting security standards for public and private sector projects.
• Participate in sprint cycles and work with engineering teams to hit milestones.

Skills

React Native

Security clearances

Builder mindset

Hybrid work

Starting September

Tools

Docker

Job description

Junior Full Stack Software Engineer

About the Company

• Our client is a Singapore-based software engineering and systems integration company specializing in AI and cloud infrastructure solutions. The company is transitioning from a consultancy-led model toward a product-focused organization, developing proprietary AI-driven tools for commercial enterprises and public sector organizations.


• As a self-sustaining and profitable business, the company combines the agility of a growing technology organization with the stability of an established operation. With a mentorship-focused environment and hands-on leadership, teams collaborate closely to deliver mission-critical solutions.

About the Role

• The company is seeking a Junior Full Stack Software Engineer to join its Engineering team. In this role, you will contribute to mobile and backend application development, build user-facing features, and support the transition of AI prototypes into production-ready solutions.


• Reporting directly to the Engineering leadership team, you will work across application development, backend services, and applied AI implementation.

Key Responsibilities

• Develop and deliver mobile application features using React Native, ensuring strong performance and user experience.


• Collaborate on the implementation of AI-driven workflows, including integrating Large Language Models (LLMs) and multi-step reasoning capabilities into production services.


• Write clean, reliable, and observable code that meets quality and security standards for both public and private sector projects.


• Participate in sprint cycles and collaborate closely with engineering teams to solve technical challenges and deliver project milestones.

Requirements

Must-have Requirements

• Proven experience with React Native, including building and deploying mobile applications.


• Ability to obtain and maintain required security clearances for work involving sensitive public sector and government-grade projects.


• A strong builder mindset with ownership of delivering features in a fast-moving environment.


• Availability to start by September in alignment with upcoming project plans.


• Willingness to work in a hybrid model with regular in-person collaboration when required.

Preferred Requirements

• Professional software engineering experience or high-intensity internship experience using a similar technology stack.


• Familiarity with Docker and containerized development environments.


• Interest in or experience with Golang for backend service optimization.


• Interest in or exposure to LLM operations and agentic AI workflows.

Why Join

• Accelerated Growth & Mentorship: Work within a flat organizational structure with direct mentorship from engineering leadership, gaining visibility and guidance throughout your career development.


• High-Impact Projects: Contribute to projects spanning commercial AI tools and critical infrastructure solutions for public sector organizations.


• Applied AI Development Opportunity: Gain hands-on experience building sophisticated AI agent workflows beyond basic API integrations.


• Professional Stability: Join a profitable and steadily growing company with a stable operating environment and opportunities to build long-term expertise.