Mobile Apps Web & Growth Systems
I'm Divyaraj Kush — a full-stack developer for apps, web & growth. I build and ship production mobile apps (Flutter), responsive web platforms, backend systems, and organic growth engines—backed by live software and measurable business outcomes.
Services That Drive
Measurable Growth
Production Flutter Apps
Native 60 FPS iOS & Android apps from a single clean codebase. Offline-first SQLite caching, state management, and full store deployment.
Explore App ArchitectureWeb Design & Full-Stack SaaS
Fast, conversion-focused websites, custom Shopify storefronts, and full-stack API platforms engineered for sub-second load times.
Explore Web SystemsTechnical SEO & Organic Search
Semantic HTML plumbing, JSON-LD schemas, and high-intent keyword mapping that earn high-intent organic rankings and AI Overview citations.
Inspect SEO ProofMeta Ads & Growth Analytics
Performance advertising with full-funnel tracking: server-side CAPI, custom attribution, and transparent ROAS reporting.
Inspect Ads AttributionAI Apps, Agents & Integrations
Build new AI-powered products or add AI capabilities to existing software: streaming assistants, RAG workflows, and vector embeddings.
Explore AI Mobile SprintsAI Video & Creative Content by Himanshi
High-retention AI reels, ad creatives, thumbnails, and visual branding handled end-to-end by my creative partner with unified delivery.
View Creative PortfolioHonest Anchors, No Surprises
Direct engineering partnerships with 4–6 hrs daily timezone overlap, strict NDA protection, and milestone-based invoicing.
Proof, Not
Promises — Live Results
Filter verified production software, organic rankings, and ad attribution data by vertical:
Rank Dangal — Bihar MCQ App
Built + shipped Flutter app & web app. 438 clicks / 13.9k impressions in 90 days. Ranks #1 + cited in Google AI Overview. 4.1★ (489 reviews) on Play Store.
SpeechMinutes — Long-tail SEO
59 clicks / 48.6k impressions in 90 days. Ranks #4 for "hindi word to speech minutes" under Narakeet/Sarvam. Pure technical SEO.
KBC Fitness — Gym Revenue OS
164 members, ₹67,579 MRR, ₹1.02L collected. Offline fees, expiry alerts, 1-tap WhatsApp renewals. v1.2.0 stable — live client.
KARGIL Showroom + Shopify Store
Luxury phone showroom (live demo, WhatsApp orders) + Shopify dropshipping store. Archived — screenshots on request. This portfolio itself is web-design proof.
Meta Ads — 21.3x ROAS Engine
Real Manager exports: ₹560 → 30 purchases (21.3x ROAS, ₹18.65 CPA); traffic at ₹0.52–0.63/click, 73k reach. Past work — numbers honest.
Hussh — Hyperlocal Anonymous Social
Anonymous posts visible only within 15 km radius. Category feeds, Hot/Recent/Polls, Whisper replies. Early-stage concept — demo open.
I'm Divyaraj Kush — Full-Stack Developer for Apps, Web & Growth who ships, scales, and ranks.
5+ years of hands-on product engineering building, deploying, and scaling software systems. I take full ownership of the entire product lifecycle — cross-platform mobile UI (Flutter), offline-first SQLite caching, cloud backends (Firebase & Supabase), technical SEO, API automation, and AI integrations. Live deployments include Rank Dangal (489 reviews on Play), KBC Fitness (live commercial SaaS), and HmarAI (Android system IME + RAG memory).
Every project milestone is transparent, backed by clean architecture and live verifiable metrics. Explore the case studies above, then schedule a discovery call.
How I Turn Ideas
Into Results
Discovery & Research
Deep dive into your brand, competitors, audience, and market before touching any tool or platform.
Strategy & Planning
Build a comprehensive roadmap — content calendars, ad strategy, wireframes, KPIs, and timelines.
Execution & Launch
Design assets, write copy, set up campaigns, build websites — everything implemented with precision.
Optimize & Scale
Monitor performance, A/B test, optimize, and scale what works. Continuous improvement for max ROI.
Hire Me As Your Execution Partner
Overflow client work? I plug in as a white-label builder — you keep the client relationship, I ship the app, ranking, or ad reports.
White-label + NDA
Your branding on all deliverables. NDA-friendly, full ownership transfer on payment. Partner rates for 2+ projects/quarter →
Retainer or Contract
Project, monthly retainer, or part-time contract. 24hr response time for retainer partners.
Team Workflow
GitHub, Play Console, Search Console, Ads Manager access. Weekly dated reports, no fluff.
Start Small, Then Scale
Begin with a single focused trial sprint to evaluate code velocity and architecture. Once proven, seamlessly scale into an ongoing retainer with zero lock-in.
Questions, Answered
How fast can we start?
Discovery call this week, kickoff within 7 days for single-scope work (one app, one site audit, or one ad account).
What do you need from me?
Play Console / domain / ad account access plus a 30-min brief call. I handle the rest and report with dated screenshots.
Do I own the work?
Yes — code, content, and reports transfer 100% on final payment. Agency partners get white-label files.
How do we work together?
One thing at a time: Flutter app, SEO ranking, or Meta ads reporting. Weekly updates, verifiable metrics only.
What is your experience and technical background?
5+ years of hands-on product engineering. My background is grounded in shipping and maintaining live production software: a live Play Store application with 489 reviews, client operating systems generating monthly recurring revenue, and websites ranking at the top of organic search and AI Overviews. Every project comes with full source code ownership and production-ready architecture.
Do you provide corporate GST invoices and contracts?
Yes. Commercial contracts, NDAs, and corporate GST invoicing are supported and processed through our registered associate partner Singh Production (Connaught Place, New Delhi).
How much does it cost?
Every engagement is milestone-based and scoped with complete transparency. Following a brief discovery discussion, you receive a guaranteed fixed-quote statement of work tailored to your exact deliverables—with zero hidden fees.