Android Developer • Premium Product Engineering

Build premium Android products that feel effortless.

I help teams ship elegant Android experiences, hardened billing flows, and scalable messaging infrastructure. Fast, secure, and crafted for long-term growth.

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GitHub LinkedIn WhatsApp

Location Kenya

Focus Android • Billing • SMS Platforms

Availability Limited slots

Premium Stack Secure

End-to-end product delivery

Strategy, UX, native Android, API integration, and launch support. One partner, no handoffs.

Android Kotlin Java Cloudflare WorkManager Firebase*

*Used when required by product goals.

Signature Approach

Performance, clarity, and measurable business outcomes.

Bulk SMS Manager Premium product

About

I’m Erick Njuguna, a mobile developer focused on premium Android experiences and enterprise-grade messaging tools. I work with founders and teams who want clarity, speed, and a product that feels expensive in the best way.

Recent work includes bulk SMS platforms, subscription systems, inbox tooling, and privacy-first data handling. I prefer shipping clean, scalable systems with a premium UX.

Focus Android + Messaging

Strength Reliable billing flows

Delivery Premium user experience

Services

Premium product engineering for mobile, messaging, and revenue systems.

Android Product Build

From concept to release: UI, architecture, workflows, and production readiness.

Messaging Platforms

Bulk SMS, inbox systems, templating, delivery tracking, and compliance controls.

Billing & Subscriptions

Secure payment flows, status verification, premium gates, and lifecycle management.

Performance & Reliability

Profiling, lag fixes, background jobs, battery-safe automation, and stability fixes.

Design to Code

Premium UI polish, brand-aligned components, and clear user journeys.

Launch Support

Play Console, compliance docs, privacy policy hosting, and release pipelines.

Selected Work

Examples of product outcomes and systems I build.

Messaging

Afriserve SMS Manager

Premium bulk SMS experience with templates, inbox, and delivery tracking.

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Billing

Subscription Verification

Cloudflare-backed status checks and resilient premium unlock flows.

Product

Premium UX Refresh

UI overhaul for speed, clarity, and trust in enterprise messaging apps.

App Screenshots

Premium UI snapshots from recent Android work.

Settings and premium subscription screen — Subscription & settings

Bulk SMS send progress screen — Bulk SMS progress

Template variables selection screen — Template variables

Message template entry screen — Message template

Send single SMS screen — Send single SMS

Want more screens? I can expand this gallery anytime.

Process

Clear, structured, and designed to keep momentum.

Strategy

Requirements, technical roadmap, and the metrics that matter.

Build

Premium UI, fast architecture, secure data paths, and iterative demos.

Launch

Release checklist, QA pass, and post-launch optimization.

Let’s build something premium.

Tell me about your product. I’ll respond with a clear plan and timeline.