Job Overview
| Particulars | Details |
|---|---|
| Position | Senior Native iOS Developer (BLE / Connected Devices) |
| Company | MSol Technologies |
| Location | Trivandrum |
| Job Type | Full-Time |
| Experience | 8 - 10 years |
| Category / Department | IT |
| Application Mode |
🏢 About MSol Technologies
MSol Technologies is one of Central India's leading mobile and web application development companies, delivering innovative software solutions across multiple industries including Automotive, Financial Services, Healthcare, Government, Retail, Hospitality, Education, Travel, and Logistics.
The company focuses on providing efficient, scalable, and modern software solutions while leveraging emerging technologies and industry best practices. With years of expertise in web, mobile, cloud, analytics, and enterprise software development, MSol acts as a long-term technology partner for organizations worldwide.
🌟 Our Mission
To deliver best-in-class technology services that enhance business competitiveness through innovation, technical excellence, and customer-focused solutions.
🚀 Our Vision
To develop reliable and accessible technology solutions that empower businesses and create lasting value.
⭐ Our Philosophy
We believe technology should become a strategic asset for every business, helping organizations innovate, compete, and grow successfully.
MSol Technologies
Plot No. 9, Ground Floor,
IT Park, Bargi Hills,
Jabalpur,
Madhya Pradesh – 482003,
India
💡 Editor's Note / Preparation Tip
✅ Resume Preparation
• Highlight production iOS applications published on the App Store.
• Include BLE and IoT device integration projects.
• Showcase architecture decisions using MVVM/Clean Architecture.
• Mention performance optimization and memory profiling experience.
• Include GraphQL, AWS, and security implementations.
• Highlight leadership and cross-functional collaboration experience.
🎯 Interview Preparation Topics
• Swift Advanced Concepts
• SwiftUI vs UIKit
• Memory Management (ARC)
• Async/Await
• Combine Framework
• GCD and Thread Safety
• MVVM & Clean Architecture
• Dependency Injection
• CoreBluetooth Framework
• BLE Communication Flow
• GATT & ATT Protocols
• MTU and Packet Fragmentation
• REST APIs & GraphQL
• JWT Authentication
• SSL Pinning
• AWS Cognito
• Core Data
• Performance Optimization
• App Lifecycle Management
• Production Debugging
💡 Common Interview Questions
• Explain the complete BLE communication lifecycle.
• What is the difference between SwiftUI and UIKit?
• How do you implement MVVM with Clean Architecture?
• Explain GATT services and characteristics.
• How do you manage BLE queues?
• What causes memory leaks in iOS applications?
• Explain async/await and Combine.
• How do you implement SSL pinning?
• What strategies do you use for BLE reconnection?
• How do you optimize API calls and caching?
• Explain CoreBluetooth state management.
• Describe a challenging connected-device project you've built.
🚀 Pro Tip
For senior BLE/iOS roles, interviewers heavily focus on practical implementation experience rather than theoretical knowledge. Prepare detailed explanations of real-world BLE device communication flows, packet management strategies, connection recovery mechanisms, and production debugging scenarios.
📝 Job Description
🚀 We're Hiring | Senior Native iOS Developer (BLE / Connected Devices) | Trivandrum
🏢 Company: MSol Technologies
💼 Position: Senior Native iOS Developer
📌 Specialization: BLE / Connected Devices Platform
📍 Location: Technopark, Trivandrum
🏢 Work Mode: On-site
🧑💻 Experience: 8+ Years
⏳ Employment Type: Full-Time
🏗️ Architecture & Design
✔️ MVVM Architecture
✔️ Clean Architecture
✔️ Domain Layer Design
✔️ Use Case Layer
✔️ Dependency Injection
✔️ Reusable Components
✔️ Modular Architecture
✔️ SOLID Principles
🌐 APIs, Networking & Security
✔️ REST APIs
✔️ GraphQL
✔️ Alamofire
✔️ JWT Authentication
✔️ Refresh Tokens
✔️ Single Sign-On (SSO)
✔️ AWS Cognito
✔️ SSL Pinning
✔️ Certificate Management
✔️ Keychain Security
✔️ API Optimization
✔️ Caching Strategies
💾 Data & Persistence
✔️ Core Data
✔️ UserDefaults
✔️ Keychain
✔️ Local Databases
✔️ Data Migration
✔️ Data Integrity Management
✔️ Secure Storage
📡 BLE & Connected Devices (Mandatory)
✔️ CoreBluetooth Framework
✔️ Device Discovery
✔️ BLE Scanning
✔️ Scan Filtering
✔️ Device Pairing
✔️ Connection Management
✔️ Service Discovery
✔️ GATT/ATT Protocols
✔️ BLE Queue Management
✔️ Characteristics Management
✔️ MTU Handling
✔️ Packet Parsing
✔️ Reliable Byte Transfer
✔️ Hardware Communication Protocols
✔️ Retry & Reconnection Logic
✔️ Ciphering & Security
☁️ Cloud & DevOps
• AWS Cloud Services
• API Gateway
• Lambda
• Authentication Services
• CI/CD Pipelines
• Monitoring & Logging
• Production Support
🌟 Why Join MSol Technologies?
• Work on cutting-edge connected-device platforms
• Collaborate with global engineering teams
• Build enterprise-grade IoT and BLE solutions
• Exposure to cloud-native architectures
• Opportunity to solve challenging hardware-software integration problems
• Work with modern iOS technologies and architectures
• Strong career growth opportunities
📩 How to Apply
Interested candidates can share their updated CV at:
📢 Note: Only shortlisted candidates will be contacted for the next stages of the recruitment process.
🎯 Key Responsibilities
- ✓ Develop and maintain native iOS applications using Swift and the latest iOS SDK
- ✓ Design and implement new product features
- ✓ Maintain existing applications and resolve production issues
- ✓ Optimize application performance and memory usage
- ✓ Integrate REST and GraphQL APIs with cloud-hosted services
- ✓ Implement Bluetooth Low Energy (BLE) communication using CoreBluetooth
- ✓ Develop device discovery, pairing, communication, and synchronization workflows
- ✓ Manage BLE queues, scan filtering, and hardware communication protocols
- ✓ Handle GATT services and characteristics implementation
- ✓ Implement secure authentication and authorization flows
- ✓ Collaborate closely with Cloud, Firmware, DevOps, and QA teams
- ✓ Participate in architecture discussions and technical decision-making
- ✓ Troubleshoot connectivity and hardware communication issues
- ✓ Ensure application security and compliance standards
💡 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 Senior Native iOS Developer (BLE / Connected Devices) 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 ₹12,00,000 - ₹25,00,000+ per annum (Senior/Lead 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
Q: Is BLE experience mandatory?
A: Yes, hands-on experience with CoreBluetooth and connected-device communication is mandatory.
Q: Is experience with SwiftUI required?
A: Yes, candidates should have strong expertise in both SwiftUI and UIKit.
Q: Is cloud experience required?
A: Experience with AWS services and cloud-hosted APIs is highly preferred.
Q: Will the role involve working with hardware teams?
A: Yes, you'll work closely with Firmware, Cloud, QA, and DevOps teams.
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