Job Overview
| Particulars | Details |
|---|---|
| Position | iOS Developer |
| Company | CalSpace (Vietnam) |
| Location | Singapore-based Startup |
| Job Type | Remote |
| Experience | 2 - 5 years |
| Category / Department | IT |
| Application Mode |
🏢 About CalSpace (Vietnam)
CalSpace is an AI-powered calorie and nutrition tracking platform designed to make healthy eating easier, smarter, and more social.
📸 Snap a photo of your meal
🤖 Get instant AI-powered nutrition and calorie analysis
👯 Share your health journey with friends and communities
Our mission is to help people better understand what they eat while creating an engaging social experience around health and wellness. Through artificial intelligence, nutrition analysis, and community-driven accountability, we're building what we believe could become the last nutrition app people will ever need.
What Makes CalSpace Different?
✅ AI-powered food recognition and calorie tracking
✅ Real-time nutritional analysis
✅ Social accountability through friend groups and communities
✅ Smart planning and health insights
✅ Beautiful and intuitive user experience
✅ Built for global users from day one
We're an early-stage startup moving quickly, shipping fast, and building products with global ambitions.
💡 Editor's Note / Preparation Tip
✅ Prepare to discuss your published iOS applications in detail.
✅ Review SwiftUI lifecycle, state management, and navigation.
✅ Practice REST API integration and JSON parsing.
✅ Study Swift Concurrency (async/await, Task, Actors).
✅ Review MVVM architecture patterns.
✅ Prepare App Store deployment and release process explanations.
✅ Be ready to explain performance optimization strategies.
✅ Demonstrate problem-solving skills and startup mentality.
📋 Resume & Portfolio Preparation Tips
✔ Include direct App Store links to your published applications.
✔ Showcase personal projects and side projects.
✔ Highlight SwiftUI and modern iOS development experience.
✔ Include GitHub repositories with clean code samples.
✔ Explain measurable impact and achievements.
✔ Demonstrate ownership and product thinking.
✔ Mention AI, health-tech, or startup experience if applicable.
📝 Job Description
🚀 We're Hiring: iOS Developer @ CalSpace (Vietnam) 🚀
📍 Location: Vietnam (Preferred)
🏢 Work Mode: Full-time • Remote
💼 Experience: Fresh Graduates / Final Year Students / Experienced Developers Welcome
🌏 Company Location: Singapore-based Startup
🗣 Language Requirement: Strong English Communication Skills Required
💰 Compensation: Negotiable Based on Experience
⭐ Good to Have Skills
• UIKit Experience
• Core Data / SwiftData
• MVVM Architecture
• Dependency Injection
• Async/Await & Swift Concurrency
• Firebase Integration
• Push Notifications
• CI/CD for Mobile Apps
• Unit Testing & UI Testing
• AI API Integration Experience
We're seeking a highly motivated iOS Developer to help build and improve our AI-powered nutrition application. You'll work directly with founders and the product team to create features that are used by real customers worldwide.
This role offers significant ownership and the opportunity to shape both the product and technical architecture. You'll be expected to move quickly, solve challenging problems, and contribute ideas that influence the future direction of the platform.
🔹 Ideal Candidate Profile
✔ Strong understanding of Swift and SwiftUI
✔ Experience building and publishing at least one iOS application
✔ Strong problem-solving mindset
✔ Comfortable working in startup environments
✔ Self-motivated and ownership-driven
✔ Excellent English communication skills
✔ Ability to learn quickly and adapt fast
✔ Passionate about building products with global impact
🔹 Why Join CalSpace?
🔥 Fully remote with flexible working hours
🔥 Work directly with founders and decision-makers
🔥 Build products used by real customers globally
🔥 No unnecessary bureaucracy or corporate politics
🔥 Fast-moving startup environment
🔥 Opportunity to influence product decisions
🔥 Build a portfolio you'll genuinely be proud of
🔥 Early-stage growth opportunities with global potential
📩 How to Apply
Interested candidates can share their:
✅ Resume
✅ Portfolio
✅ GitHub Profile
✅ App Store Links
🎯 Key Responsibilities
- ✓ Design, build, and maintain iOS applications using Swift and SwiftUI.
- ✓ Develop scalable and maintainable mobile application architectures.
- ✓ Integrate backend APIs and third-party services.
- ✓ Collaborate directly with founders, designers, and product teams.
- ✓ Optimize application performance and user experience.
- ✓ Participate in code reviews and technical discussions.
- ✓ Test, debug, and maintain production applications.
- ✓ Deploy and maintain applications on the Apple App Store.
- ✓ Contribute ideas and technical improvements to the product roadmap.
- ✓ Help build features that directly impact users worldwide.
💡 Required Qualifications & Skills
🚀 Career Guidance & Interview Insights
To help you succeed, we've compiled original preparation guides, resume keywords, and growth analytics for this category of role.
Joining as a iOS Developer offers a fantastic opportunity to work at the forefront of technological innovation. You will be exposed to modern software development lifecycles, collaborate with cross-functional product teams, and design scalable architectures that directly impact end-users. The continuous learning curve in tech ensures that your programming, debugging, and system engineering skills remain highly marketable and sharp.
The career roadmap in technology is highly rewarding. Typical progression starts as a Junior Software Engineer, moving to Associate Developer and then Senior Software Engineer (3-6 years). From there, professionals choose between an individual contributor track—becoming a Tech Lead, Staff Engineer, and Principal Architect—or a management track, advancing to Engineering Manager, Director of Engineering, and Chief Technology Officer (CTO).
Expected Technical & Behavioral Questions:
- Q1: How do you optimize database query performance?
Answer Tip: Talk about indexing strategies, query execution plan analysis, avoiding N+1 queries, and implementing caching layers (like Redis). - Q2: Explain the differences between Microservices and Monolithic architecture.
Answer Tip: Highlight scaling advantages, loose coupling, independent deployments, network latency considerations, and data consistency challenges in microservices. - Q3: How do you handle merge conflicts in Git?
Answer Tip: Explain checking out the local branch, pulling the latest main branch, running git merge, opening the conflicted files to resolve blocks manually, and committing the resolved merge.
To pass automated ATS (Applicant Tracking System) screening and catch the recruiter's eye, tailor your resume with the following tips:
- Keywords to include: Software Engineering, SDLC, OOP, CI/CD Pipelines, SQL databases, Agile, Unit Testing, Code Review, Cloud Architectures (AWS/Azure).
- Format: Use a clean, single-column resume format. Avoid graphics, text boxes, or tables which can scramble ATS parser outputs.
- Quantify Results: Instead of writing 'wrote code', write 'Developed a caching system that reduced server response times by 35%.'
Estimated compensation for this role type in India is ₹6,00,000 - ₹12,00,000 per annum (Mid level). The actual salary package offered depends on factors such as company size, work mode (remote or on-site), individual technical proficiency, and negotiations during final HR rounds.
Highly recommended certifications include: AWS Certified Solutions Architect, Microsoft Certified: Azure Fundamentals, Certified Kubernetes Administrator (CKA), Oracle Certified Professional Java SE, or tech-stack specific achievements (e.g. Meta Front-End Developer certification).
Frequently Asked Questions
Q1. Can fresh graduates apply?
👉 Yes. Talented fresh graduates and final-year students are encouraged to apply.
Q2. Is this a remote position?
👉 Yes. This is a fully remote, full-time opportunity.
Q3. Is prior App Store experience mandatory?
👉 Yes. At least one published application on the App Store is preferred, including personal projects.
Q4. Is English communication required?
👉 Yes. Strong English communication skills are mandatory.
Q5. What technologies will I work with?
👉 Swift, SwiftUI, REST APIs, networking, AI integrations, and modern iOS development tools.
Q6. Is startup experience required?
👉 No. However, a startup mindset and willingness to move fast are highly valued.
Q7. Will I work directly with founders?
👉 Yes. You'll collaborate closely with the founders and product team.
Q8. Is compensation fixed?
👉 No. Compensation is negotiable based on skills and experience.
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