Hi,
I am an Upwork verified Microsoft Certified Professional (Exam 70-486), FULL-TIME freelancer, Ex Backend Engineer Lead @ Fatura , Ex Sr. Engineer @ UNITED NATIONS & Ex SDE @ Systems Ltd Pakistan's biggest IT company involved in solution designing, developing, deploying, testing, and debugging of large-scale applications including application (VAVA CARS) for a FORTUNE 500 client (VITOL) , Largest CU rewards app, Custom CMS and legal workflow automation tool being used at YAHOO (NDA).
Quick stats:
- 6+ years of Experience (Software Development, Automation, DevOps, Cloud, Security, Team Management)
- Upwork Top Rated Plus
- Ex Senior Engineer @ United Nations
- Ex-Interim CTO @ Hemma
- Competitive Programmer @ Scale AI
- Ex-Backend Engineering Lead @ Fatura
- All positive reviews with 50% returning clients - Upwork stats
- Average client stays for 4 months - Upwork stats
- Among Upwork's Top 50 ASP.NET developers - Upwork stats
- 50% of my clients are long-term - Upwork stats
- Top 21% overall @ StackOverflow
- GitHub Arctic Code Vault Contributor + Pull Shark
My Tech stack:
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Data Structures and Algorithms (DSA) Enthusiast - 170+ leetcode problems solving done officially ( 200+ unofficially) | Competitive Programming
Backend:
.NET, .NET CORE, Blazor, ASP.NET, ASP.NET MVC, Web API, WCF, C#, Entity Framework 5/6, Signal R Core, ADO.NET, ADO.NET Core, Dotnet, JWT, OAuth, xUnit, MOQ
DevOps/Cloud/Microservices:
Docker , Kubernetes, AWS (EC2, EKS, ECS, VPC, API Gateway, SQS, SNS, Lambda), Google Cloud, Azure ( Functions, SignalR, Service Bus, Azure AD, Azure DevOps , Azure Event Hub, Application Insights) , Git Actions , Jenkins, CI / CD , Serverless, Terraform, RabbitMQ, Kafka, API Gateway, Load Balancers, Service Discovery, SAGA, gRPC, Prometheus, Grafana, Jaegar, Service Mesh, Consul, Open Tracing, Open Telemetry, Jaegar , SEQ, Serilog ,
Data Stack:
Azure Cosoms DB, AWS Dynamo DB, AWS RDS, Google Spanner, REDIS, SQL Server, PostgreSQL, My SQL, Elastic Search, Kibana
Software Design & Architecture:
Microservices, Domain-Driven Design, N-Tier Architecture, Clean Architecture, CQRS, Mediator, Test Driven Development, SOLID, GoF patterns, Layered Architecture, Loosely coupled and highly coherent software
Client Side:
Angular, React, React Native, JS, jQuery, Bootstrap, HTML5/CSS3, UI/UX, Media Queries, Sass
Software Engineering:
Scrum, Agile, JIRA, Azure DevOps, GitHub
Integrations:
OAuth, DocuSign, eBay API, Facebook API, Google API, Instagram API, SendGrid, Twilio, KakaoTalk API, Amazon API, Algopix API, WeChat, Auth0, Auth0 Management API, High Charts, jQuery Data tables, OpenTok (video calling)
Languages:
C#, Java, C++, C, Python, JavaScript
During the past 6+ years I've worked with:
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- Fortune 500 client on their Subsidiary named VAVA Cars which deals in sale/purchase/auction of used vehicles on large scale
- Did code refactoring & wrote advanced unit tests for legacy applications which is being used by Yahoo, Juniper and NetApp.
- United States' largest CU organization and its partner businesses on reward-based CU applications
- UAE Government on a Humanitarian project named IHC (exhibited in GITEX '18)
- Contributed to the development of a custom CMS written in C# .NET that helps businesses create web pages on drag-drop while providing data analytics and integrations with third-party service providers.
- Worked on a large-scale intelligent appointment scheduling medical application for and wrote highly customizable Appointment Engine for intelligent appointment scheduling
Engineering Skills:
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- Performance Improvements (SQL + Code)
- Software Design Principles (KISS, DRY, YAGNI, SR, IOC)
- Architectural Patterns (Microservices, Layered, Tiers, MVC, MVVM)
- Software Design Patterns (CQRS, Mediator, Singleton, Facade, Adapter, Builder, Bridge, etc)
- Database Design (SQL, MySQL, Postgres)
- TDD Unit testing with X-Unit and MOQ
- JWT Authentication
- API Documentation
- Middleware
I believe in giving back to the community which lead me to speak at 250+ talks, Top 22% overall @ StackOverflow with 3.3M reach (2022) and 100k+ Answer views @ Quora.