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Senior Software Engineer (Android & Backend)

Lakmini International (Pvt) Ltd   Colombo - Full-time

Lakmini International (Pvt) Ltd., established in 2012, is a leading software development and digital marketing company delivering high-quality mobile and web applications to global clients. We build practical, scalable products with robust backend systems and delightful user experiences.

Role Overview

  • We’re looking for a Senior Software Engineer with strong Android and backend expertise to
  • lead end-to-end product development. You’ll work on architecture decisions, guide
  • interns/juniors, and ship reliable, secure, and high-performance apps used by thousands of users.

What You’ll Do

  • Design and develop Android applications (Java/Kotlin) with clean architecture (MVVM/MVI), Jetpack components, and modern tooling.
  • Build and optimize backend services and RESTful APIs (PHP/Laravel or Node.js), including authentication, payments, notifications, and analytics pipelines.
  • Take ownership of delivery: solution design, estimations, code reviews, testing, CI/CD, and production monitoring.
  • Improve app performance (startup time, memory, battery, network usage) and backend scalability (caching, indexing, query optimization).
  • Ensure security best practices: secure storage, encryption, OWASP Mobile/Web, input validation, and secrets management.
  • Collaborate closely with Product/Design/QA; translate business requirements into technical plans and milestones.
  • Mentor interns and junior developers, and help establish coding standards.
  • Contribute to technical roadmaps, POCs, and architecture documentation.

Required Qualifications

  • 1+ years of professional software development experience with strong knowledge of Android app development and backend systems.
  • Proficiency in Java/Kotlin, Android Studio, Jetpack (Navigation, Room, WorkManager, Lifecycle), Retrofit/OkHttp, and API integration.
  • Strong understanding of RESTful API design and implementation.
  • Backend experience with PHP (Laravel or Pure PHP) or Node.js.
  • Databases: MySQL/PostgreSQL, schema design, migrations, and indexing.
  • Familiarity with cloud hosting (AWS/GCP), Docker, and Linux basics.
  • Strong debugging skills, problem-solving attitude, and willingness to take ownership.
  • Good communication and teamwork skills.

Nice to Have

  • Jetpack Compose; modularization and multi-module builds.
  • Firebase (Auth, FCM, Remote Config, Crashlytics, Analytics).
  • Ad tech (AdMob/mediation), deep links, dynamic features, Play Console expertise.
  • Web front-end (React/Vue) or iOS (Swift/SwiftUI) exposure.
  • Experience with microservices, GraphQL, or Elasticsearch.
  • Security awareness and familiarity with privacy compliance (GDPR/CCPA).

How to Apply

Email your resume to lakminiinternational12@gmail.com with the subject line: “Senior Software Engineer – Android & Backend”

Please include:

  • Links to published apps (Play Store package IDs if available)
  • GitHub/portfolio or sample code
  • A brief note on a challenging problem you solved (frontend/backend/REST API)
Share Share Report Report Go Back to Category Mobile Development Posted on 14 Sep 2025 Viewed Viewed 95 times


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