𝐓𝐨𝐩 𝐑𝐚𝐭𝐞𝐝 | 𝟏𝟎𝟎% 𝐉𝐨𝐛 𝐒𝐮𝐜𝐜𝐞𝐬𝐬 | 𝟏𝟏+ 𝐘𝐞𝐚𝐫𝐬 𝐨𝐟 𝐈𝐓 𝐄𝐱𝐜𝐞𝐥𝐥𝐞𝐧𝐜𝐞
Need a reliable IT partner who solves problems fast, communicates clearly and delivers measurable results? That’s exactly what I do.
I am an experienced IT Support Specialist, System Administrator and AI integration expert with a proven track record of helping businesses streamline operations, boost performance, and strengthen security across multi-platform environments.
I operate through a vetted global community of engineers and product specialists across multiple industries (including Oil & Gas, LegalTech, Retail, Web3, Automation, AI systems).
What I Bring to Your Team:
AI Architecture Design
AI Development (Agents, Platforms, Products)
AI Commercialization Advising
AI Strategy for Market Trends and Insights
End-to-End IT Support: Troubleshooting, helpdesk ticketing, and remote support (Windows, macOS, Linux)
System Administration: Windows Server (2008–2019), Active Directory (GPO, Users & Groups), DNS/DHCP, SAN/NAS setup, backup & recovery
Cloud Administration: Office 365, Google Workspace, AWS, Azure
Security & Compliance: Endpoint protection, VPN configuration, SSL, firewall management
Automation: PowerShell, Bash, n8n, Zapier, AI-based workflows to save time and reduce errors
E-commerce & Web Platforms: Shopify user/app management, WordPress security, domain & SSL setup
Documentation & SOPs: Clear, actionable process guides for internal teams
HR Support: Helping HR with technical hiring for multiple positions
WHAT I BUILD -
AI-Powered Products & MVPs
RAG systems, multi-agent workflows, AI copilots, chatbots, document intelligence
Voice AI & Conversational Systems
Vapi, Retell, Twilio integrations - from IVR to complex voice agents
Full-Stack AI Applications
FastAPI + React + PostgreSQL + Pinecone - production-ready, not prototypes
Workflow Automation
n8n, Make, Zapier - connecting AI to your existing tools and processes
I combine deep technical knowledge with clear, proactive communication to ensure you always know the project status and next steps.
Let’s connect and discuss how I can make your IT systems faster, safer, and more efficient.
Java
Node.js
Python
Angular
Product Launch
Product Design
AI Agent Development
System Automation
System Administration
AI Development
AI App Development
AI Audio Generation
Microsoft Certified Professional
Web Development
Custom App
LLM Prompt
Linux System Administration
Web Portal
React
Server Administration
Alex L.
Budapest, Hungary
$35/hr
4.9
774 jobs
📌 About Us
Led by a DevOps and SRE veteran with 20+ years of industry experience, we are a powerhouse team of 100+ top-tier DevOps, SecOps, Cloud, and Site Reliability Engineers. We specialize in designing, building, and managing infrastructures that empower innovation while guaranteeing stability, security, and cost-efficiency.
With over 1,000 successful projects delivered for startups, enterprises, and global brands across fintech, e-commerce, health tech, media, and AI/ML, we take end-to-end ownership—from initial architecture design to 24x7x365 L1/L2/L3 support.
Core Capabilities & Business Impact
1. Platform Engineering, DevOps & CloudOps
We build multicloud architectures and scalable systems that enable daily releases through automated "golden paths" and predictable environments.
Infrastructure as Code (IaC) & Automation: Terraform, Pulumi, CloudFormation, Ansible, Chef, Puppet.
Containerization & Orchestration: Kubernetes, Docker, EKS, Rancher.
CI/CD & GitOps: GitHub Actions, GitLab CI, Jenkins, CircleCI, Argo CD, Flux.
Web & Database Tuning: LAMP and LEMP stacks setup, database tuning, and high-availability website speed optimization.
2. 24/7 Site Reliability Engineering (SRE) & IT Support
We provide true 24x7x365 L1, L2, and L3 support for applications, servers, and end-users, ensuring SLA/SLO-driven operations.
Reliability & Incident Management: On-call rotations, escalation trees, postmortems, root cause analysis, and error budgets.
Observability: Transparent SLI/SLO dashboards using Prometheus, Grafana, OpenTelemetry, ELK, Datadog, and New Relic.
IT Consultancy & Workstation Support: End-user maintenance (B2B/B2C), patching, updates, backup management, and policy enforcement via NinjaOne.
Email Deliverability: DNS, DKIM, SPF, DMARC, and MX configuration.
3. FinOps & Cloud Cost Optimization
We turn infrastructure into a strategic advantage by reducing cloud costs by 20–60%.
Cost Control: Budgeting, forecasting, rightsizing, cost governance, and waste reduction on AWS, Azure, and GCP.
FinOps Tooling: CloudHealth, AWS Cost Explorer, GCP Billing.
4. Security, Networking & Compliance
We ensure robust security postures and continuous compliance readiness.
Security & Identity: Entra ID, HashiCorp Vault, SOPS, RBAC audits, WAF/Shield.
Policy & Compliance: Policy-as-Code (OPA/Gatekeeper), CIS Benchmarks, SOC 2, and ISO 27001 readiness.
Network Hardware & Integrations: CISCO remote networks, Mikrotik remote devices, FortiGate, and QNAP configuration.
Server Hardening: Deep optimization and security hardening for Linux, UNIX, and Windows Server systems.
5. MLOps & AI Infrastructure
We partner with ML engineers to build reliable, reproducible production workflows.
ML Pipelines: MLflow, Kubeflow, SageMaker.
Infrastructure: GPU-enabled infrastructure setups, data versioning, and model tracking.
Comprehensive Technology Stack
- Cloud Providers: AWS (Certified Partner), Microsoft Azure (Certified Partner), GCP, OCI.
- Operating Systems: Linux (20+ years expertise), UNIX, Windows Server.
- Containers & Orchestration: EKS, Kubernetes, Docker, Rancher.
- IaC & Configuration: Terraform, Pulumi, CloudFormation, Ansible, Chef, Puppet.
- CI/CD & GitOps: Argo CD, Flux, GitHub Actions, GitLab CI, Jenkins, CircleCI.
- Observability & Monitoring: Prometheus, Grafana, OpenTelemetry, ELK Stack, Datadog, New Relic.
- Security & Policy: OPA, Gatekeeper, Vault, SOPS, Entra ID, WAF/Shield.
- FinOps & MLOps: CloudHealth, AWS Cost Explorer, GCP Billing, MLflow, Kubeflow, SageMaker.
- Networking & IT Management: FortiGate, CISCO, Mikrotik, QNAP, NinjaOne.
- Web & Email: LAMP, LEMP, DNS, DKIM, SPF, DMARC, MX.
Who We Work With
Startups: Building scalable, secure infrastructures from day one.
Enterprises: Driving modernization, automation, and DevOps transformations.
Finance & SaaS: Implementing rigorous security, compliance, and FinOps practices.
ML/AI Teams: Deploying robust frameworks for model scaling.
Ready to transform your infrastructure, optimize costs, and secure 24/7 reliability? Let’s talk.
Apache Tomcat
Ansible
Docker
Amazon Web Services
Windows Administration
Service Cloud Administration
Linux System Administration
Technical Support
Apache Administration
DevOps
Shubham N.
Noida, India
$20/hr
4.9
63 jobs
✅ 12+ years in iOS Development
🏆 100% Job Success | $200k+ earned on Upwork
I help businesses build and scale mobile apps that stay fast, stable, and reliable as they grow.
Many apps start facing issues after launch, slow performance, crashes, and messy code. In most cases, the problem isn’t just development, it’s architecture. I focus on building and fixing systems that scale cleanly from day one.
I personally lead every project from planning to delivery. For larger scope, I work with my in-house team of 25+ developers across iOS, Android, Web, QA, and DevOps. You get a single point of contact with full execution behind it.
🚀 What I can help you with:
✅ iOS App Development (Swift, SwiftUI, UIKit)
✅ MVP to Scalable Product Development
✅ Fixing and Scaling Existing Apps
✅ Clean Architecture (MVVM, MVC) & Code Refactoring
✅ Performance Optimization & Stability
⚙️ Core Development & Features:
✔ Local database (Core Data, SQLite), offline sync
✔ API integration (REST, GraphQL)
✔ Authentication (Apple, Google, OAuth, JWT)
✔ Push notifications (APNs, Firebase)
✔ Background tasks & lifecycle handling
✔ Secure data handling & performance tuning
🔥 Advanced Integrations:
✔ AI integrations (OpenAI, ChatGPT features)
✔ Payments (Apple Pay, Stripe, in-app purchases, subscriptions)
✔ Location services (GPS, MapKit, Google Maps)
✔ Real-time chat & messaging (Firebase, WebSockets)
✔ Analytics (Firebase, Mixpanel)
✔ Media handling (image/video upload, streaming)
🏢 Proven Work:
⭐ Built and maintained a production system running across 150+ stores for Red Swan Pizza
🔗 Extended Capabilities:
✔ Backend coordination (Node.js, Firebase, AWS)
✔ Android development support via team (Kotlin, Jetpack, Room)
✔ Scalable system design for long-term growth
If you're building a new app or scaling an existing one, I can help you choose the right technical direction and avoid costly mistakes early.
👉 Feel free to message me. Happy to review your app or idea before we start.
iOS Development
iOS
macOS
Mac OS App Development
AI App Development
AI Mobile App Development
AI Chatbot
Mobile App Development
Android App Development
Kotlin
Chatbot Development
Mobile App Development Consultation
Apple Watch
iPhone
iPhone & iPad Apps
Mobile App Redesign
Web & Mobile Design Consultation
Dima H.
Kharkiv, Ukraine
$50/hr
4.9
21 jobs
I am a lead iOS Developer helping fast-growing startups and enterprises accelerate their product roadmap, reducing time-to-market by 40% while ensuring 99.9% app stability. My focus is on building high-performance solutions that turn complex technical requirements into scalable revenue engines.
When you hire an iOS Developer, you need more than just code; you need a partner who understands the business impact of a smooth user journey. As a dedicated App developer, I have spent years mastering Swift to craft seamless experiences that users love. Whether we are building a greenfield project or optimizing legacy systems, my work as an iOS Developer ensures your application stands out in a crowded App Store.
My approach to Mobile App Development is rooted in precision. As an experienced iOS Developer, I treat every project as a strategic investment. I leverage Swift to build modular, maintainable architectures that allow for rapid iteration. Many clients come to me after struggling with technical debt, and as a seasoned App developer, I excel at identifying bottlenecks. Using Apple Xcode and advanced debugging techniques, I ensure that every Swift implementation is optimized for performance. An iOS Developer must also be a great communicator, and as a professional App developer, I bridge the gap between technical constraints and business goals.
I do not work in a silo. Often, I collaborate with an android developer or a flutter developer to ensure feature parity across platforms. Having deep knowledge of iOS Development combined with an understanding of Android App Development allows me to architect robust cross-platform strategies. Even when working strictly on an iOS build, I maintain awareness of the broader ecosystem. My expertise in API Integration and Firebase ensures that your Mobile App remains connected and reliable. Whether you need a complex Hybrid App Development solution or a high-end native experience, my background as an iOS Developer and App developer using Swift covers all bases.
I have seen projects fail due to poor planning, which is why my process includes deep analysis of Mobile App Design and Mobile App Redesign cycles. I have mentored teams on Objective-C to Swift migrations and have successfully integrated React Native components where speed is critical. As an App developer who understands the full lifecycle, I have worked alongside a web developer and a full stack developer to ensure end-to-end data integrity. From Kotlin workflows for your secondary platforms to native iOS performance tuning, I bring a holistic view to every task.
Why choose me? Because I provide more than just syntax; I provide security and scalability. My history as an iOS Developer includes fixing critical production issues that saved companies thousands in churn. When I write Swift, I prioritize readability and security. As an App developer, I use Firebase for real-time data and implement complex logic that makes your app feel like magic. My experience with Mobile App Bug Fix tasks is extensive I treat these as opportunities to stabilize and grow.
I also understand the aesthetic side. While I am an iOS Developer at heart, I collaborate closely with any graphic designer to ensure that the final Mobile App interface is pixel-perfect. If you need a software developer who understands the nuances of the App Store submission process, you have found the right person. I have published over 50 apps, ensuring every Swift build meets the highest standards.
If you are looking for a professional iOS Developer who treats your business like his own, let’s talk. I am an App developer who believes that code should be beautiful, but the business result must be profitable. Whether you are transitioning from Objective-C to Swift, or launching a new project that requires expert Mobile App Development, my commitment is to deliver quality, speed, and reliability. As your next iOS Developer, I am ready to help you dominate the market. Let's build something exceptional using the power of Swift and modern Mobile App technologies. Reach out today to see how my work as an App developer can scale your vision.
iOS Development
Swift
Mobile App Development
Android App Development
iOS
Firebase
Flutter
Apple Xcode
Hybrid App Development
Android
Objective-C
React Native
Mobile App
App Development
Smartphone
API Integration
Kotlin
Mobile App Design
Native App Development
Mobile App Bug Fix
Jimoh O.
Osogbo, Nigeria
$15/hr
4.9
42 jobs
Build Your Own Netflix-Style OTT Platform — Fully Customized to Your Vision
With over 15 years of expertise in CTV and OTT development across Roku, Fire TV, Apple TV, Android TV, Samsung Tizen, and LG webOS, our team delivers high-performance streaming products engineered for scale and designed for exceptional user experiences.
At JimohO, we create end-to-end OTT ecosystems — from backend architecture to stunning, conversion-optimized website design and development that elevates your brand across every screen.
What We Deliver
We build complete, custom OTT solutions, including:
✅ CMS for VOD / IPTV management
✅ OTT & CTV Smart TV apps (Roku, Fire TV, Apple TV, Samsung, LG, Xfinity)
✅ Mobile apps (iOS, Android)
✅ Responsive website design & development (UI/UX + full-stack implementation)
✅ Backend APIs, CDN integration & scalable cloud infrastructure
Whether AVOD, SVOD, or TVOD — your monetization model is integrated seamlessly from day one.
Technical Expertise That Sets Us Apart
Roku — BrightScript, SceneGraph, custom UX
Fire TV & Android TV — Java/Kotlin
Apple TV & iOS — Swift
Samsung Tizen & LG webOS — React-based frameworks
Comcast Xfinity — Lightning JS
Web & Backend — PHP, Node.js, React.js, Firebase
Website Development — Modern UI/UX, responsive design, fast front-end, secure backend
We’ve successfully developed and certified 250+ OTT apps across major platforms — managing everything from engineering to app-store approval.
Why JimohO?
🏆 Top Rated Plus on Upwork — Top 3% globally
💼 15+ years of cross-platform OTT development experience
In-house team of 22+ OTT & web specialists
Agile workflows (Trello, Slack, JIRA, Git, Bitbucket)
QA, reverse engineering & long-term maintenance support
We don’t just build apps — we build reliable, scalable digital products that perform flawlessly across Smart TVs, mobile, and the web.
Keywords
Roku developer, BrightScript, SceneGraph, CTV, OTT, Fire TV, Apple TV, Android TV, Samsung Tizen, LG webOS, TV App Development, Website Design, Website Development
Tech Stack
BrightScript, SceneGraph, Roku SDK, XML, REST APIs, JSON, Node.js, PHP, React.js, Firebase, OTT Platforms
Ready to build your next streaming success?
Send me a message — let’s bring it to life.
Web Design
Website
Construction Document Preparation
Specifications
Roku
Roku Development
Virtual Assistance
Crypto Marketing
Cryptocurrency Forking
Cryptocurrency Mining
Monday U.
Lagos, Nigeria
$15/hr
5.0
7 jobs
Senior FlutterFlow Developer | AI-Powered Mobile Apps | Firebase Expert
I believe the best way to earn your trust is to show you how I think.
Imagine opening the App Store and seeing your app live exactly as it was designed in Figma. Your backend is built to scale, your Firebase costs are optimized from day one, and your users are already benefiting from AI-powered features that make your product stand out.
Instead of sending you another generic proposal, I'd rather review your project personally.
Send me your Figma design, existing FlutterFlow project, or even just your idea, and I'll record a personalized Loom video explaining:
How I would architect your application
Where you can reduce development and infrastructure costs
The best backend approach for your product
AI features that would genuinely improve your users' experience
Potential issues before development begins
There is no obligation—just practical advice that helps you make the right technical decisions.
About Me
I'm Monday, a Senior FlutterFlow Developer specializing in building production-ready Android and iOS applications from Figma designs.
I build scalable mobile applications with FlutterFlow, Flutter, Firebase, Supabase, and modern AI technologies, helping startups launch faster without sacrificing performance or maintainability.
Whether you're starting from scratch, building an MVP, or rescuing an existing FlutterFlow project, I can help take your product from idea to launch.
What Clients Hire Me For
✅ FlutterFlow Mobile App Development
✅ Figma to FlutterFlow Conversion
✅ Firebase Architecture & Optimization
✅ AI-Powered Mobile Applications
✅ FlutterFlow Custom Code & Custom Actions
✅ Supabase Integration
✅ Payment Systems (Stripe & RevenueCat)
✅ REST API Integration
✅ App Store & Google Play Deployment
✅ FlutterFlow Project Rescue & Performance Optimization
Industries I Work With
• SaaS Platforms
• FinTech Applications
• Healthcare & Fitness Apps
• AI Products
• Booking & Marketplace Apps
• Business Productivity Apps
• Subscription-Based Applications
• Startup MVPs
Technology Stack
Mobile Development
* FlutterFlow
* Flutter
* Dart
* Figma
Backend
* Firebase
* Firestore
* Firebase Authentication
* Cloud Functions
* Supabase
Payments
* Stripe
* RevenueCat
* In-App Purchases
Artificial Intelligence
* OpenAI (ChatGPT)
* Claude
* Gemini
* Whisper
* DALL·E
* ElevenLabs
* Pinecone
* Retrieval-Augmented Generation (RAG)
* FlutterFlow AI Agent Builder
Deployment
* Apple App Store
* Google Play Store
* TestFlight
* Push Notifications
Frequently Asked Questions
How long does it take to build an MVP?
Most FlutterFlow MVPs are completed within **3–5 weeks**, depending on the complexity of the application and required integrations.
Can FlutterFlow build production-ready applications?
Absolutely. FlutterFlow is an excellent development platform when combined with proper architecture, custom Flutter code where needed, and scalable backend design.
Can you optimize Firebase costs?
Yes. A well-designed Firestore structure can significantly reduce unnecessary reads, writes, and storage costs. I design backends with scalability and cost efficiency in mind from the beginning.
Can you integrate Stripe and subscriptions?
Yes. I integrate Stripe Checkout, recurring subscriptions, one-time payments, webhooks, RevenueCat, and mobile in-app purchases.
Can you integrate custom APIs?
Yes. I build secure API integrations with authentication, pagination, error handling, file uploads, webhooks, and custom business logic.
Can you add AI to my app?
Yes. I integrate ChatGPT, Claude, Gemini, AI Agents, voice AI, image generation, document search (RAG), streaming responses, and AI-powered workflows tailored to your product.
Do you publish apps to the App Store and Google Play?
Yes. I handle the complete deployment process, including TestFlight, App Store Connect, Play Console, store assets, and review support.
Will I own the project?
Yes. Everything is built inside your own accounts. You retain full ownership of the FlutterFlow project, source code, backend, and all associated assets.
Can you fix an existing FlutterFlow project?
Yes. I regularly take over unfinished or poorly structured FlutterFlow projects, identify the underlying issues, and get them back on track.
What You Can Expect
* Clear communication
* Fast response times
* Clean, scalable architecture
* Well-documented handover
* Regular Loom video updates
* Honest technical recommendations
* Reliable delivery
Let's Build Something Great
If you have a Figma design, an existing FlutterFlow project, or simply an idea you'd like to validate, send it over.
I'll review your project, explain the best technical approach, and outline a clear development plan—before you spend a penny.
Let's turn your idea into a production-ready mobile application.
Mobile App Development
Mobile UI Design
FlutterFlow
Mobile App Design
UI/UX Prototyping
Figma
Flutter
Mobile App Redesign
iOS Development
Android App Development
App Development
App Store Upload
AI App Development
Web Application Development
Mobile App Development Consultation
Firebase
Supabase
GPT API
API Integration
UX & UI Design
How it works
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Manage payments in one place with flexible billing options. Only pay for approved work, hourly or by milestone.
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Emerald Tiger
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Kinetic Investments
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Summa Linguae
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