Flutter & Full‑Stack Developer | AI EngineerBuilding Production‑Ready Software

As an AI consultant and full-stack developer based in Dresden, Germany, I help startups and businesses build AI systems, SaaS platforms, mobile applications, and automation solutions that scale.

4+ Years ExperienceDresden, GermanyFlutter ExpertFull-Stack DeveloperAI EngineerAI ConsultantSaaS Founder
Al Mamun — Flutter & Full-Stack Developer | AI Engineer

Status

● Available

Building the Future, One Line at a Time

I'm a Flutter & Full-Stack Developer and AI Engineer based in Dresden, Germany, with 4+ years of experience delivering production-ready software for companies in Germany, UAE, and Bangladesh.

My M.Sc. thesis at TU Chemnitz is on “Learning Buddy: An On-Demand AI Teaching Assistant” — an intelligent system built on LLMs, RAG pipelines, and vector databases. I hold visa 18G and am open to roles across Germany.

Location

Dresden, Germany

Visa

18G – Open to roles across Germany

Degree

M.Sc. Web Engineering (2021–2026)

University

TU Chemnitz, Germany

Languages

English (B2) · German (A2-B1) · Bengali (Native)

Nationality

Bangladeshi

Availability

Open to full-time roles & freelance projects

Flutter & Mobile

Production iOS & Android apps, CI/CD, platform channels

Full-Stack Web

Next.js, Node.js, FastAPI, REST APIs

AI Engineering

RAG, LLMs, LangChain, vector databases, AI agents

M.Sc. Thesis

"Learning Buddy" – AI teaching assistant using LLMs & RAG

Currently

Building AI-powered SaaS products and open to consulting engagements in Flutter, AI, and full-stack development.

Where I've Worked

Enloc AG

Full-time

Software Engineer

Dresden, Germany

May 2023 – Apr 2026
  • Led Flutter development on EN.Tab, a digital property management platform serving real-estate clients across Germany
  • Architected real-time data sync and offline-first local database integration, improving reliability for field users
  • Owned CI/CD pipeline using Fastlane and Azure DevOps, enabling reliable weekly releases to App Store and Google Play
  • Consumed C# and Node.js backend services via REST APIs for scalable cloud-based data management
  • Implemented native Java SDK integrations using Flutter platform channels for Android-specific hardware
FlutterDartJavaC#REST APIsFastlaneAzure DevOpsCI/CD

Production app serving real-estate clients across Germany

App-Concept GmbH

Werkstudent

Software Engineer

Germany

Oct 2021 – Apr 2023
  • Built and scaled JobsNavi, a skill-based talent-matching platform, from prototype to live product
  • Delivered cross-platform Flutter apps for multiple clients across healthcare, recruitment, and other industries
  • Transformed Figma designs into pixel-perfect Flutter apps, owning full journey from UI handoff to App Store deployment
  • Integrated Google Cloud Functions and Node.js serverless backend for scalable, cost-efficient architecture
FlutterFirebaseGoogle CloudNode.jsREST APIsGoogle Maps SDKFigma

Delivered JobsNavi from prototype to live product on App Store and Google Play

Royex Technologies

Full-time

Jr. Software Engineer – Mobile

Bangladesh (UAE-based)

Jul 2020 – Jan 2021
  • Built Alaasaq, a Magento-backed e-commerce app with full product, cart, and checkout flows in Flutter
  • Developed Swalifna, a live video streaming app using Agora.io SDK for real-time multi-user broadcast
  • Converted Adobe XD designs for Taddreb school management app into a fully functional Flutter codebase
FlutterDartAgora.ioMagento APIsFirebaseAdobe XD

Delivered 3 commercial Flutter apps for clients in UAE and Bangladesh

Fiverr & Freelance

Freelance

Freelance Mobile & Web Developer

Remote – International clients

2019 – 2020
  • Delivered 20+ web and mobile development projects for international clients through Fiverr
  • Built web applications with React and JavaScript for small businesses and startups worldwide
  • Developed early Flutter and React Native mobile apps, building deep expertise before mainstream adoption
  • Maintained consistent positive client ratings through quality delivery and communication
ReactJavaScriptFlutterReact NativeFirebasePHP

Established client reputation with 20+ delivered projects across multiple countries

Featured Work

Production apps and research projects built across Germany, UAE, and Bangladesh.

LB★ FeaturedM.Sc. Thesis

Learning Buddy

On-demand AI teaching assistant built on LLMs, RAG pipelines, and vector databases for personalised learning with real-time conversational AI and document-based knowledge retrieval.

PythonLangChainRAGQdrantFastAPILLMs

M.Sc. thesis project at TU Chemnitz

ET★ FeaturedEnloc AG

EN.Tab

Digital property management platform for real-estate clients across Germany. Offline-first Flutter app with real-time data sync, CI/CD via Fastlane, and native Android SDK integrations.

FlutterDartJavaC#REST APIsFastlaneAzure DevOps

Production app serving real-estate clients across Germany

JN

JobsNavi

App-Concept GmbH

Skill-based talent-matching platform with intelligent job matching by location and skills. Built from prototype to live product with Google Cloud Functions serverless backend.

FlutterFirebaseGoogle Cloud+2

Delivered prototype to live App Store product

AL

Alaasaq

Royex Technologies

Magento-backed e-commerce Flutter app with full product catalogue, cart, checkout flows, and payment integration for UAE retail market.

FlutterKotlinDart+3

Live e-commerce app for UAE retail market

SW

Swalifna

Royex Technologies

Live video streaming app using Agora.io SDK for real-time multi-user broadcast sessions. Built for the Middle East market with Flutter.

FlutterKotlinAgora.io+3

Real-time multi-user live streaming for Middle East

TD

Taddreb

Royex Technologies

Converted Adobe XD designs into a fully functional Flutter tutor-booking app — student/tutor profiles, session scheduling, and secure payments consuming REST APIs.

FlutterDartAdobe XD+2

Design-to-code delivery for UAE education platform

FS

Fuel Solution

Fuel Solution

Flutter customer app automating bulk-fuel and CNG pump ordering for a South African distributor — paperless ordering, real-time order tracking, and spending reports for 1,000+ customers.

FlutterDartREST APIs+1

Automated ordering for 1,000+ fuel & CNG customers

MA

MyAppointment

MyAppointment

Flutter appointment-booking app connecting customers with registered businesses across South Africa for hassle-free scheduling, with a dedicated business-side dashboard to manage bookings.

FlutterDartREST APIs+1

10,000+ downloads on Google Play

WB

WritingBuddy

Softaar Technologies

AI thesis and research-paper writing assistant — auto-generates APA/IEEE/Harvard citations, builds outlines, and exports to PDF/DOCX/LaTeX.

FlutterFirebaseRiverpod+1

Founder product, Softaar Technologies — live SaaS

ZA

ZeroApply

Softaar Technologies

AI-powered resume builder and auto-apply platform — generates tailored resumes and cover letters, then applies to jobs automatically.

Next.jsFirebaseOpenAI+1

Founder product, Softaar Technologies — live SaaS

TS

TrueStore

Softaar Technologies

AI App Store Optimization tool — generates high-converting screenshots, app icons, keyword research, and listing copy for iOS & Android apps.

Next.jsFirebaseStripe

Founder product, Softaar Technologies — live SaaS with active billing

ZS

ZeroSEO

Softaar Technologies

AI SEO autopilot — researches competitors, writes and publishes an SEO-optimized article daily, and builds real backlinks with zero manual work.

Next.jsFirebaseOpenAI+1

Founder product, Softaar Technologies — live SaaS

SL

SoLangu

Softaar Technologies

Real-time language-exchange app — matches users for live voice practice via WebRTC, with an AI voice tutor fallback when no partner is available.

FlutterWebRTCLiveKit+2

Founder product, Softaar Technologies — published on App Store & Play Store

DM

DailyMe

Softaar Technologies

Meditation and sleep app — guided sessions, breathing exercises, daily affirmations, and sleep sounds to help build healthier daily habits.

FlutterFirebaseRevenueCat+1

Founder product, Softaar Technologies — published on the App Store

My Tech Stack

AI Engineering

13 skills & tools

LangChainRAGLLMsOpenAI APIGeminiBERTNLPPineconeQdrantPrompt EngineeringLoRAMCPn8n

Professional Certifications

Build with AI: Scaling Multi-Agent Apps

Google Developer Group

GDG Build with AI 2026 – Multi-agent orchestration, Gemini, Vertex AI, ADK agents on Cloud Run

Issued May 2026View

MCP Hands-on: AI Agents & API Integration

Dev Day 2026, Dresden

Telekom MMS · esveo · Cloud&Heat · NETWAYS – Model Context Protocol, agentic workflows, enterprise AI

Issued May 2026View

Google AI Professional Certificate

Coursera · Google Career Certificates

7-course series: AI fundamentals, prompt engineering, Gemini, NotebookLM, AI app building

Issued 2026View

Microsoft Azure AI Essentials

LinkedIn Learning · Microsoft Azure

Azure AI services, ML workloads, foundation models, cognitive services, responsible AI

Issued 2025View

The Complete Flutter Bootcamp with Dart

Udemy · Dr. Angela Yu

Flutter & Dart fundamentals, state management, Firebase, REST APIs, app deployment

Issued Jan – Mar 2020View

Android & iOS App Development with Flutter

BASIS Institute of Technology (BITM), Bangladesh

Hands-on training in cross-platform mobile development, widget architecture, and deployment

Issued Oct – Dec 2019View

What Clients Say

Amazing work! Great customer service! Hands down the best app developer we have worked with!
PF

properfit

Repeat Client · United States

Verified on Fiverr ↗

Real reviews from my Fiverr gig — 4.9★ from 45 reviews.

Frequently Asked Questions

Common questions about hiring a Flutter developer, AI consultant, or full-stack developer based in Dresden, Germany.

About Al Mamun

Al Mamun is a Flutter developer, full-stack developer, and AI engineer based in Dresden, Germany. He builds production-ready mobile apps, SaaS platforms, and AI-powered systems for startups and companies across Germany, the UAE, and Bangladesh.

Yes — he lives and works in Dresden, Germany, and holds visa 18G, making him open to remote and on-site roles anywhere in the country.

He is completing an M.Sc. in Web Engineering at TU Chemnitz, Germany, with a thesis on "Learning Buddy: An On-Demand AI Teaching Assistant" built on LLMs, RAG pipelines, and vector databases.

Hiring & Services

Yes — Al Mamun is a Flutter developer based in Dresden, Germany, available for freelance, contract, and full-time roles building production iOS and Android apps with offline-first sync, CI/CD, and native platform integrations.

Yes. As an AI consultant, he helps companies design and ship RAG pipelines, LLM-powered agents, and automation systems — from architecture and vector database selection through to production deployment.

Full-stack web development with Next.js, Node.js, FastAPI, and PostgreSQL — covering API design, authentication, payments, and deployment on Google Cloud, Azure, and DigitalOcean.

Both. He's based in Dresden, Germany, and open to remote collaboration worldwide as well as on-site roles across Germany.

Let's Build Something Great Together

Have a project in mind? I'd love to hear about it. Let's talk and see how I can help.