Mobile App Developer (Kotlin)

Job Description

Title: Mobile App Developer (Kotlin)

Company Name: ADEVS

Vacancy: 2

Age: Na

Job Location: Narayanganj (Siddirganj)

Salary: Tk. 40000 - 60000 (Monthly)

Experience:

• At least 3 years
• The applicants should have experience in the following business area(s): Software Company

• Bachelor of Science (BSc) in Computer Science & Engineering
• Bachelor of Science (BSc) in Electronics and Telecommunication Engineering

• At least 3 years
• The applicants should have experience in the following business area(s): Software Company

Required skills

• 3 to 4+ years of strong Kotlin Android development.

• Deep experience with XML-based UI, custom components, RecyclerViews, and complex screen flows.

• Solid experience with Pusher (real-time events), Firebase (Auth, Firestore/RTDB, FCM), and push notifications.

• Hands-on Stripe integration or other payment gateways (tokenization, checkout flows, secure handling).

• Strong understanding of API design and how to build mobile logic that aligns with backend behavior.E

• xperience handling large projects with many modules and interdependent features.

• Strong debugging across network calls, local storage, concurrency, and device-specific issues.

• Ability to work in a messy or legacy codebase and stabilize it without breaking functionality.

Nice to have

• Flutter experiencePOS/KDS system experience

• Experience with Sunmi devicesLabel/receipt printing SDKs

• Offline-first logic and sync management

• CI/CD exposure for Android builds

What we expect from you

• You think in systems, not just screens.

• You take ownership of features from design to delivery.

• You look for edge cases instead of waiting for QA to catch them.

• You keep communication simple and clear.

We’re hiring a Kotlin developer who can work across the entire stack of a complex enterprise POS and KDS system. This isn’t a simple Android app. You’ll deal with heavy business logic, real-time order updates, offline flows, hardware integrations, and tight performance requirements on Sunmi and other Android devices.

Here’s what you’ll handle day to day.

Your responsibilities

• Build, extend, and optimize large Android apps written in Kotlin with XML layouts.

• Work full-stack inside the app: data models, business logic, API integrations, caching, and background syncing.

• Implement real-time updates using Pusher and Firebase services.

• Integrate payment workflows, including Stripe and other payment gateways.

• Create custom views, complex adapters, nested UI components, and dynamic screen states.

• Work with WorkManager, Coroutines, Flow, Room, Retrofit, and MVVM architecture.

• Debug issues across multiple layers: API responses, local DB, device-specific quirks, and hardware integrations.

• Handle printing, label generation, cash drawers, barcode scanners, and Sunmi SDK features.

• Improve performance, reduce ANRs, track memory usage, and ensure stability across devices.

• Collaborate closely with backend, QA, and product teams.

• Provident fund,Profit share,Performance bonus,Over time allowance
• Salary Review: Yearly
• Lunch Facilities: Full Subsidize
• Festival Bonus: 2