ARBAJ SHAIKH
.NET Full Stack Developer
Mumbai,MH
Summary
Results-oriented .NET Full Stack Developer with 3+ years of hands-on experience designing, developing, and deploying enterprise-grade applications using C#, ASP.NET Core, Web API, ReactJS, and SQL Server across Banking, EGovernance, and Industrial Automation domains. Proven expertise in RESTful API development, Aadhaar/CKYC integrations, microservices architecture, and CI/CD pipelines (Azure DevOps, GitHub Actions).
Overview
4
4
years of professional experience
Work History
Software Developer
ABM Knowledgeware Ltd.
Mumbai
03.2025 - 04.2026
- Architected and delivered a Digital E-Governance Platform for MahaIT (Aaple Sarkar portal) using .NET Core 8, ReactJS, and SQL Server, enabling real-time data synchronisation across 12+ government departments.
- Engineered Aadhaar API and CKYC/CERSAI integrations for citizen identity verification, reducing manual KYC processing time by 45% and ensuring regulatory compliance.
- Automated 8+ legacy workflows using ReactJS dynamic interfaces and backend .NET APIs, cutting manual data-entry effort by 60% and improving citizen service response time.
- Executed a zero-downtime legacy .NET migration to .NET Core 8 with
- Designed and optimised complex SQL stored procedures and indexed queries, improving critical report generation speed by 35%.
- Deployed applications on IIS Server and Azure App Services using CI/CD pipelines (Azure DevOps), reducing release cycle time by 40%.
Software Engineer - Support
ML and Cloud Solutions Pvt. Ltd.
Mumbai
01.2024 - 02.2025
- Implemented Local Administrator Password Solution (LAPS) with Active Directory using C# for a Banking client (Cymmetry), strengthening IT security posture across 500+ enterprise endpoints.
- Built and hardened secure Web APIs with JWT-based authentication and RBAC, ensuring controlled access to sensitive financial data under strict compliance standards.
- Integrated MongoDB backend APIs with React front-end for real-time content delivery, reducing page load latency by 30%.
- Provided 24×7 production support for critical banking systems-triaging incidents, conducting root cause analysis, and resolving issues within defined SLA windows with 99.5%+ uptime.
- Monitored application health via Nagios dashboards and application logs, proactively identifying and resolving 20+ performance bottlenecks before they impacted end users.
Software Engineer
Prescient Technologies
Pune
05.2022 - 11.2023
- Developed and maintained WinForms desktop applications (Recipe Configurator & Trend Viewer) in C# and SQL Server for industrial automation client Vega Innovation.
- Delivered a real-time Trend Viewer dashboard with dynamic graph and signal visualisations using WinForms and Web API, enabling data-driven decisions for production engineers.
- Implemented input validation, error-handling mechanisms, and optimised event-handling logic, reducing application crash rate by 25%.
- Integrated RESTful Web APIs with desktop UI, enabling seamless live data feeds from industrial sensors.
- Collaborated with senior developers in an Agile Scrum environment to deliver new client-facing features on schedule, contributing to a 15% improvement in sprint velocity.
Education
Bachelor of Engineering - Computer Science
Punyashlok Ahilyadevi Holkar Solapur University
Skills
- C#
- ASPNET MVC
- ASPNET Core
- NET Core 6/8
- Entity Framework Core
- Microservices
- ReactJS
- JavaScript (ES6)
- HTML5
- CSS3
- Bootstrap
- Razor Pages
- Responsive Design
- SQL Server
- Stored Procedures
- Query Optimization
- Indexing
- MongoDB
- Microsoft Azure
- AWS
- Docker
- CI/CD Pipelines
- Jenkins
- GitHub Actions
- Azure DevOps
- JWT
- OAuth 20
- Active Directory
- Role-Based Access Control (RBAC)
- LDAP
- RESTful APIs
- Third-Party APIs
- Aadhaar API
- CKYC
- Payment Gateway Integration
- Postman
- Git
- IIS Server
- Visual Studio
- VS Code
- Ninetex
- Nagios
- JIRA
- Swagger / OpenAPI
- Agile (Scrum)
- SDLC
- UAT
- TDD Basics
- Code Reviews
- SLA-driven Production Support
- Full Stack NET Development
- Microservices Architecture
- RESTful API Design
- Aadhaar / eKYC Integration
- Azure Cloud Services
- Docker Containerisation
- SQL Performance Tuning
- Team Collaboration
Languages
English
Advanced (C1)
Hindi
Bilingual or Proficient (C2)
Marathi
Advanced (C1)
Certifications Training
- C# Development Projects - Udemy
- WinForms Application Development - Udemy
- IoT Programming with Python - ADJ Infotech Pvt. Ltd.
Projects
- Digital E-Governance Platform Integration, E-Governance, MahaIT (Govt. of Maharashtra), Modernise the Aaple Sarkar citizen-service portal with secure, real-time API integrations and automation to digitise government services across Maharashtra., .NET Core 8, C#, ReactJS, SQL Server, IIS Server, Azure DevOps, Aadhaar API, CKYC/CERSAI, Postman, REST APIs, Integrated Aadhaar eKYC and CKYC/CERSAI APIs for automated citizen identity and financial record verification., Built modular .NET Core 8 Web APIs consumed by ReactJS SPA for 12+ departmental data pipelines., Automated workflow engines using Ninetex, reducing manual approvals from 3 days to 4 hours., Established CI/CD pipelines on Azure DevOps for zero-touch deployment to staging and production., Migrating a monolithic legacy .NET 4.5 application to .NET Core 8 microservices with zero data loss and
- Enterprise Identity and Access Management System, Banking Security, Cymmetry, Implement a centralised, policy-driven access control system for a banking enterprise to secure privileged accounts and API endpoints., ASP.NET Core, C#, Web API, ReactJS, Active Directory (LAPS), JWT, MongoDB, SQL Server, Nagios, Deployed LAPS integration with Active Directory to auto-rotate local admin passwords across 500+ endpoints., Developed JWT-secured RESTful APIs with RBAC, enforcing principle of least privilege for 20+ user roles., Architected MongoDB-backed API layer serving real-time dashboard data to ReactJS front-end., Maintained 24×7 production uptime with SLA-driven incident management and Nagios monitoring., Ensuring API security and RBAC compliance while integrating heterogeneous identity providers (AD + MongoDB) without service disruption., 99.5%+ system uptime; eliminated 100% of static admin passwords; reduced security incident response time by 50%.
- Industrial WinForms - Recipe Configurator and Trend Viewer, Industrial Automation, Vega Innovation, Build a desktop-based recipe management and real-time trend visualisation tool for manufacturing process control engineers., C#, WinForms, SQL Server, Web API, JavaScript, CSS, Nagios, Git, Designed dynamic UI (data grids, dropdowns, charts) for recipe configuration with full CRUD operations., Delivered a real-time Trend Viewer pulling live sensor data via Web API with sub-second refresh., Optimised SQL queries and stored procedures, reducing data retrieval time by 30%., Rendering high-frequency sensor signals in real time on WinForms without UI thread blocking., 25% reduction in application crashes; engineers saved 2+ hours/day through automated trend analysis vs. manual logging.
Timeline
Software Developer
ABM Knowledgeware Ltd.
03.2025 - 04.2026
Software Engineer - Support
ML and Cloud Solutions Pvt. Ltd.
01.2024 - 02.2025
Software Engineer
Prescient Technologies
05.2022 - 11.2023
Bachelor of Engineering - Computer Science
Punyashlok Ahilyadevi Holkar Solapur University