
Shishir Islam
Level 1
Pro Mobile App Developer I 8 Years Experience I Build 300 Apps
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StundePortfolio
Arbeitserfahrung
Senior Software Engineer
Omega Solution • Freiberufler
Nov 2023 - Present • 2 yrs 6 mos
I’m a Senior Software Engineer with 20+ mobile apps and 50+ web systems successfully delivered for startups, SMEs, and global businesses. I build fast, scalable, and user-focused applications, from MVPs to full SaaS platforms, using modern technologies and clean, future-ready architecture. 🌐 Web App Development * Custom Web Applications (React, Next.js, Laravel, Node.js, Django, Go) * SaaS Platforms (CRM, ERP, HRM, POS, Accounting) * Admin Dashboards & Role-Based Access Control * Secure REST/GraphQL API Development * Authentication (JWT, OAuth, Firebase Auth) 📱 Mobile App Development * Cross-platform apps with Flutter & React Native * Firebase / Supabase / Custom backend integrations * Real-time features: Chat, Notifications, Live Tracking * Stripe Payments, Subscriptions, Webhooks * iOS & Android Store Publishing + CI/CD ⚙️ Tech Stack Web: React, Next.js, Laravel, Node.js, Express, Django, Go Mobile: Flutter, React Native Backend: PostgreSQL, MySQL, MongoDB, Firebase, Supabase Cloud: AWS, Docker, CI/CD, GitHub Actions Integrations: Stripe, Shopify, TikTok, Amazon SP-API, Payment Gateways, Maps, Sockets
Software Engineer
Omega Express • Vollzeit
Feb 2021 - Oct 2023 • 2 yrs 8 mos
Developed a Transport and Tracking System and managed a team of 4 developers. Tech Stack: PHP, Laravel, React.js, RTK, Tailwind, MySQL, Traccar, and more. Server: Digital Ocean and AWS
6 Bewertungen
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Zusammensetzung der Bewertung
- Kommunikation
- Qualität der Lieferung
- Preis-Leistungs-Verhältnis der Lieferung
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avabrookas

Vereinigte Staaten
The CRM setup was fast, clean, and very easy to use right from day one. I was specifically looking for a simple CRM to manage leads and track our sales pipeline without the complexity of a full ERP, and this solution fit perfectly. Shishir delivered exactly what we needed.
gavasp

Bulgarien
Excellent work! Great communication, fast delivery, and high-quality results. I’m very satisfied and would definitely work with him again. Highly recommended!
syedjisanahmed

Deutschland
This guy knows what he is doing.Professional and punctual. Delivered my order on time. Best of luck.
Antwort des Freelancers
midnightmodem

Hongkong
Shishir is very responsible and communicative, delivering perfect, high-quality code ahead of schedule. I highly recommend him for his commitment and professionalism. Would love to work with him again.
Antwort des Freelancers
itstofayel

Südkorea
This guy did an expectational work. I ordered erp pos and got more than what i expected though i need some customization. His superb communication skill just made me easy to make him understand what i want.
Antwort des Freelancers
