As a .NET developer, I am a skilled software developer who specializes in creating applications using the Microsoft .NET Core. I have a strong understanding of programming concepts and are proficient in languages like C#.
My primary role is to design, develop, and maintain applications using the .NET framework. This involves working with various tools and technologies to build desktop, web that run on Windows operating systems and other platforms.
I am also adept at working with different software development methodologies such as Agile or Scrum and are able to work collaboratively with other team members, including project managers, designers, and other developers.
๐ฅ What I specialize in:
C# / VB.NET Desktop Application Development (WinForms, DevExpress)
SQL Server performance tuning & query optimization
ERP & Accounting Systems (Inventory, GST, Reporting)
QuickBooks Desktop Integration (QB SDK, automation, sync)
Fixing slow applications caused by database or code issues
Excel/VBA โ .NET Application or DLL Conversion
API integrations & system synchronization
Auto-updaters (Application + Database migration)
Industrial systems (Serial Port, Bluetooth, real-time control)
๐ก Proven real-world experience:
โ Inventory & Billing Systems with DevExpress
โ Custom CRM & HRM Solutions (Multi-User)
โ Financial Dashboards with Real-Time Charts
โ Booking & Scheduling Tools with Reminders
โ Secure Login & Licensing Applications
โ ERP system for diamond industry (high-volume transactions)
โ Optimized SQL performance for business-critical systems
โ QuickBooks automated order & invoice sync
โ Bulk email automation system (Google API integration)
โ Excel VBA converted to scalable VB.NET DLL
โ API-based auto-update system with database upgrades
โ Technical Expertise
โ Languages & Frameworks: C#.NET, VB.NET, WinForms, Desktop Application, .NET Framework, .NET Core
โ UI Frameworks: DevExpress, Custom Controls
โ Backend Logic: Complex Business Rules, Data Processing, API Integrations
โ Databases: SQL Server (Advanced) - [Stored Procedures, Functions, Triggers, Query Optimization, Performance Tuning, Indexing & Execution Plans],
Oracle Database, MS Access, Database Design & Architecture, Data Migration & Integration
โ Extras: Reporting, Printing, Multi-language Apps, Licensing Systems, Crystal Reports / RDLC Reporting, Git Version Control
โก Why clients hire me:
โ 14+ years of strong industry experience
โ Expert in C#, .NET, and enterprise application development
โ Strong database optimization and performance tuning skills
โ Experience in SQL Server, Oracle, and MS Access
โ Strong experience with real-world business systems (ERP)
โ I quickly identify performance bottlenecks and fix them
โ Focus on speed, stability, and long-term scalability
C#
VB.NET
DevExpress
Microsoft SQL Server
SAP Crystal Reports
Microsoft SQL Server Reporting Services
DevExpress Reporting
Database Management
Database
Oracle
Web API
Bot
Microsoft Access
DevOps
Akira S.
London, United Kingdom
$30/hr
5.0
7 jobs
Iโm a London-based AI voice automation engineer building proprietary products and operational systems.
I ship finely-tuned agents integrated via TypeScript/Node.js backends (Fastify & Serverless Functions) to your APIs, CRMs, booking systems, databases, messaging platforms and internal tools, with professional deployments, production-grade observability, monitoring, structured logging and analytics on solution performance. Retell, Vapi or ElevenLabs are utilised as the voice infra and conversational layer.
Currently delivering for SMBs, agency partners and service businesses across the ๐ฌ๐ง UK ยท ๐บ๐ธ USA ยท ๐ฆ๐บ Australia ยท ๐ณ๐ฟ New Zealand.
๐ The reasons why my voice automation products are the best on the market for SMBs ๐
Scoped entirely around your business.
Every build starts with your operations, your business logic, your existing software and your compliance requirements. Delivery is end-to-end and direct with me, from strategy and process design through to deployment and ongoing optimisation.
Real code, no n8n/Make/Zapier daisy chains.
The backend is Fastify API services and serverless functions performing real actions across your business tools via APIs, webhooks and direct integrations. Use cases include direct sales, scheduling, lead qualification, CRM updates, ticket creation, administrative tasks, internal routing, notifications and data sync.
Agents on low-latency voice infrastructure.
Configured on Retell, Vapi and ElevenLabs with telephony and SIP via Twilio. Systems support phone calls, web calls, web chat, SMS and in-app calls, with call routing, human handoff, departmental separation and escalation logic where required.
You own the system.
I deploy entire systems inside your own accounts so your team retains ownership and operational control. AWS, Google Cloud and Vercel deployment split dependant on the nature of the build. Every deployment follows professional practices across secrets management, structured logging, observability and error alerting.
Custom internal software where needed.
Ticketing dashboards, operator tools, alert systems and internal workflow interfaces, built to fit your operations.
Tested before launch, monitored after.
Real call scenarios, edge cases, failed inputs, broken handoffs, integration failures, workflow issues and operator-side failure points, all covered before launch. 7 days monitoring and optimisation post-delivery, with optional ongoing transcript review, performance monitoring, workflow refinement, agent optimisation, continued development and support.
How I engage:
1. Discovery & scoping (your systems, compliance, integrations)
2. Architecture & logic design
3. Build (agent, backend, integrations, custom tooling)
4. Live testing & iteration
5. Deployment & launch
6. Handoff with optional continued development, monitoring & optimisation
๐ฉ DM for live product demonstrations.
๐ฅ Portfolio below for full breakdowns of complete systems including the logic, architecture, backend software, integrations and implementation behind each build.
AI Agent Development
CRM Automation
Twilio API
TypeScript
Fastify
HighLevel
Conversational AI
Automation
Back-End Development
API Integration
AI Implementation
AI Chatbot
Make.com
n8n
Twilio
Artificial Intelligence
Chatbot Development
Application Integration Software
Node.js
AWS Lambda
Stephanie F.
London, United Kingdom
$100/hr
5.0
1 jobs
I am an award-winning, freelance Producer, as well as a Project
Manager for Marketing & Events with a US & Dutch Passport, and
the Right to Work in the UK.
I have experience with factual, documentary, animation, films, HETV
Drama, & commercials in a Production Capacity. With experience
in Production & Script Office Coordination & Set-Up, Production &
Post Production Paperwork (for Netflix, Apple, HBO Max, the BBC
& Nat Geo), Rights Clearances, and Production logistics. I have set
up Production shoots for fiction & Documentary in the UK, Germany,
France, Italy, America, Spain, Tanzania, Brazil, Colombia, and
China where I have experience working alongside Fixers, obtaining
visas, and sorting out carnets. I also have experience managing
40+ person crews in studios & on-location, working with animals,
vehicles, & children in both digital and film formats. Officially Covid
Safety Officer Certified.
I am also currently helping to run logistics for an International Music
Budget Management
Project Management
Creative Direction
Budget Planning
Budgeting & Forecasting Software
Microsoft Excel
Project Accounting
Project Delivery
Trello
Slack
Movie Magic
Problem Resolution
Jake W.
Leeds, United Kingdom
$30/hr
5.0
4 jobs
I build automations using n8n, zapier and make, creating AI-powered workflows that eliminate manual work for growing teams, that run 24 hours a day, 7 days a week.
Hi, I'm Jake ๐ send me an invite or message and I'll send you a personalised screen recording walkthrough explaining exactly how I would automate your workflow.
Whether you're buried in spreadsheets, manually moving data between systems, or running processes that should have been automated yesterday, I design and build reliable n8n workflows, AI agents, and API integrations that solve the problem once and keep solving it.
Recent work includes a fully automated staffing data pipeline processing 4,000 plus daily records, filtering and syncing data across Airtable, Google Drive, and a live job board, replacing hours of manual work every single day.
โ 100% Job Success Score
โ Rising Talent | 100% Job Success Score
โ Fast delivery, clear communication, every time
WHAT I BUILD
- n8n workflow automation (cloud and self-hosted)
- AI agents and LLM-powered workflows using OpenAI and Claude
- API integration and custom webhook automation
- CRM automation and lead generation automation
- Data pipeline automation, Google Sheets automation, and Airtable integration
- Business process automation end to end
- No-code and low-code workflow development
TOOLS AND PLATFORMS
n8n, Make, Zapier, Airtable, Google Sheets, OpenAI, Webhooks, JavaScript, Slack, Gmail, HubSpot, Notion, Pipedrive, ActiveCampaign, Typeform
If your business runs on repetitive tasks, I will automate them. Let's talk.
API
Zapier
n8n
AI Agent Development
Business Process Automation
CRM Automation
No-Code Development
Make.com
AI Chatbot
ChatGPT
Airtable
Automated Workflow
Lead Generation
Automation
Email Automation
Data Migration
OpenAI API
Artificial Intelligence
AI Model Integration
Ahmed E.
London, United Kingdom
$35/hr
5.0
99 jobs
๐ฅ Top 1% in Upwork ๐ MSc Construction Management โ๏ธ Chartered Civil Engineer โ๏ธ PMPยฎ Certified โ๏ธ PMI-RMPยฎ Risk Certified โ๏ธ PMI-ACPยฎ Agile Certified โ๏ธ PMI-SPยฎ Scheduling Certified โ๏ธ PMI-PBAยฎ Business Analysis.
With more than 10 years of Expertise in Construction Management with International Companies. Successfully Managed Giga Projects Exceeding $10 billion USD Worldwide.
โข Construction Scheduling: Creation and management of baseline and update schedules in Primavera P6 and Microsoft Project.
โข Claims & Contract Management: Handling Construction Claims, Construction Disputes including Litigation, Arbitration, Adjudication, Dispute Board, Extension of Time (EOT), and Forensic Schedule Analysis.
โข Project Planning & Controls: Expertise in Critical Path Analysis, Resource Loading, Risk Assessment, and Schedule Forecasting to ensure Project Milestones are met.
โข Project Documentation & Reports: Development of Professional Project Reports, Dynamic Dashboards, Timeline Analysis, and Contract Documentation for transparent project tracking. Advanced in using Softwares like Procore, SAP, Buildertrend, Power BI, Primavera Cloud, Smartsheets, Microsoft Project online.
If youโre looking for a dedicated professional who can simplify the complexities of construction scheduling and claims management, letโs connect to discuss how my skills can drive your project success.
Project Scheduling
Construction Management
Primavera P6
Microsoft Project
Gantt Chart
Procore
Project Management
Critical Path Analysis
Oracle Primavera
Project Timelines
Smartsheet
Microsoft Excel
Construction Monitoring
Project Plans
Scheduling
Abdul S.
London, United Kingdom
$20/hr
5.0
45 jobs
Flutter and FlutterFlow Developer for Startups | Firebase, Supabase, Full App
Store Deployment | M.Sc. Computer Science (London)
Need a mobile app built properly clean code, real performance, shipped on
time? That's my speciality.
I'm a Flutter and FlutterFlow developer with 4+ years of experience and an
M.Sc. in Computer Science from London. I work with startups and growing
businesses who need cross-platform mobile apps that actually hold up in
production not just demos.
โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ
WHAT I BUILD
โธ Flutter apps (iOS and Android) from Figma to App Store
โธ FlutterFlow MVPs for rapid validation and investor demos
โธ Firebase and Supabase backends with real-time sync
โธ REST and GraphQL APIs with Node.js, Spring Boot and FastAPI
โธ Performance refactors and Clean Architecture overhauls
โธ Full CI/CD pipeline setup and App Store deployment
โธ AI-powered features chat, automation and smart workflows
โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ
RESULTS I HAVE DELIVERED
โธ Refactored legacy app to Clean Architecture crash rate down 65%
โธ Migrated Firebase to Supabase with zero downtime and real-time sync
โธ Cut development time by 30-50% using AI-assisted workflows
โธ Shipped production apps across fintech, health and e-commerce
โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ
CORE TECH STACK
Mobile: Flutter, FlutterFlow, React Native (Expo)
State: BLoC, Riverpod, GetX, Provider
Backend: Node.js, Spring Boot, FastAPI, Buildship
Databases: Firebase, Supabase, PostgreSQL, MongoDB
DevOps: AWS, GitHub, CI/CD, App Store, Play Store
Design: Figma to Flutter, Animations, Responsive UI
AI Tools: AI-assisted coding, UI generation, API scaffolding
Arch: Clean Architecture, MVVM, MVC
โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ
HOW I WORK
1. Discovery call โ understand your goals and constraints
2. Structured sprints โ with updates every step of the way
3. QA and testing โ before anything ships
4. Deployment and handoff โ App Store ready and documented
โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ
4+ years, 20+ apps launched, 3500+ hours, M.Sc. CS London, B.Sc. Software Engineering
Message me with what you are building I will give you an honest answer on
timeline, fit and cost.
Flutter
Firebase
Node.js
Android App Development
iOS Development
FlutterFlow
UI/UX Prototyping
Responsive Design
Mobile App
Desktop Application
Figma
Flutter Stack
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