Who We Are
We are AlphaSphere, the team behind OptiSigns - trusted by over 30,500 users worldwide, we are a leading provider of digital signage solutions, helping businesses communicate, engage, and captivate their audiences with ease — whether it’s for a single screen or a global network.
Job Overview
This internship offers hands-on experience in both front-end and back-end development.
You will work on real-world projects, contribute to product development, and collaborate in a professional software engineering environment.
Key Responsibilities
Software Development
- Build responsive and interactive UIs using HTML, CSS, JavaScript, React.js, Next.js, Angular, and AngularJS
- Develop server-side logic using Node.js and Express.js
- Design and integrate RESTful APIs and GraphQL services
Data Management
- Integrate and manage databases such as MongoDB
Code Testing & Debugging
- Write unit tests and participate in code reviews
- Debug and troubleshoot software issues
Project Collaboration
- Use Git for version control
- Work closely with the development team to manage code and track project progress
Technical Problem Solving
- Analyze and resolve technical challenges during development
Technologies You Will Work With
- Frontend: HTML, CSS, JavaScript, React.js, Next.js, Angular, AngularJS
- Backend: Node.js, Express.js
- APIs: RESTful APIs, GraphQL
- Database: MongoDB
- Tools: Git
Qualifications
- Currently pursuing a degree in Computer Science, Software Engineering, or related fields
- Basic understanding of web development concepts
- Basic proficiency in programming languages such as JavaScript is required
- Familiarity with React, Node.js, or Next.js is a plus
- Strong analytical and logical thinking
- Good communication and teamwork skills
- Available to work at least 32 hours per week
What You Will Gain
- Hands-on experience with modern web technologies and frameworks
- Exposure to the full software development lifecycle (SDLC)
- Mentorship from experienced developers
- Opportunity to work on real products and make meaningful contributions
Benefits
- Attractive internship allowance – We value your skills and contributions
- Free pantry access – Drinks & snacks provided
- Full-time opportunity – Outstanding interns may be offered a full-time position
- International working environment – Collaborate with teammates from various countries and cultures
Apply Now
If you are interested in this opportunity, please send your CV to doris.do@alphasphere.io
Important: Only applications sent in English and using the exact email subject format below will be reviewed.
Email subject format:
[AlphaSphere] Full Stack Developer Intern – Your Full Name
Example:
[AlphaSphere] Full Stack Developer Intern – Nguyen Van A
Application deadline: December 31, 2025
Workplace address:
1st & 2nd Floor, Room 201, D.C Tower, 111D Lý Chính Thắng, Võ Thị Sáu Ward, District 3, Ho Chi Minh City