Full Stack Developer - Angular, C#, .NET Expert

Soloman Philip Mariaraj

Email: **************@*****.***

Mobile:732-***-****

Summary of Qualifications

Over 20 years of experience in Enterprise Applications Architecture, Data Architecture, Solutions Design, Systems Integration, Strategy and Governance, Service Delivery and Support, establishing Organization Principles, Standards and best Practices.

Experience in offering newer and smarter technology solutions to business problems, establishing Organizational Patterns & Principles for Enterprise Application Integration (EAI).

Good understanding of storage concepts. Experience in designing and implementing Azure Storage.

Experience setting up Architectural Vision, Roadmap, working with Program/Project Managers, analyzing Scope of Architectural Work.

Experience with server-side (SSOM) and client-side (CSOM) programming, customizing lists, libraries, web parts, and workflows using C#, .NET, and PowerShell

Expertise in implementing Design Patterns like MVC & MVVM for Web Applications; used Dependency Injection, Singleton, Abstract and Prototype design patterns to devise and architect Multi-Tier enterprise level applications.

Experience in Data Governance, Data Management, Data Modeling, Data Migration, Master Data Management, Data Warehousing practices & implementation delivering analytic solution artifacts with conceptual, logical and physical models.

Expertise in designing, building, and optimizing OLAP cubes and tabular models, utilizing MDX and DAX queries, and implementing dimensional modeling (Star/Snowflake schema

Expertise in code analysis & application development in Microsoft Stack using Visual Studio using .NET Framework, ASP.NET, ASP.NET MVC,Web API, Angular, jQuery, CSS3, HTML5, and Windows applications using XAML, C#.NET and VB.NET.

Experience on working custom Directives,Controllers,Services,filters of module of Angular

Experience designing distributed systems using Service Oriented Architecture (SOA) using Pub-Sub and Integration patterns with WCF, REST and SOAP Web Services with XML/JSON.

Proficiency in Project Management Methodologies like Waterfall, Agile SCRUM, TDD (Test-Driven Development) using tools like MS Project and JIRA

Experience working in Commercial Industry Organizational domains like Health Care, Finance, Transportation, and E-Commerce, retail Industries including State and Local Government Agencies.

Good knowledge in Microsoft Azure

Professional Experience

Fiserv, NJ, USA Feb 2024 – Present

Advisor

XP2/Collections

Fiserv Collections is a real time, integrated collections management solution designed for credit unions, helping staff efficiently resolve delinquent loans and negative accounts through streamlined workflows, customizable queues, and full visibility into member relationships.

Responsibilities

Develop deep expertise in Fiserv’s banking/payment platforms and their underlying architecture.

Understand system components built on ASP.NET MVC, C#, .NET Framework/Core, SQL Server, and integration layers.

Explain platform behavior, data flows, and configuration options to client IT teams.

Interpret technical documentation, API specs, and release notes to guide clients.

Diagnose complex issues involving MVC controllers, API endpoints, services, SQL queries, stored procedures, and integrations.

Analyze logs, exceptions, stack traces, and SQL performance bottlenecks.

Reproduce defects, validate fixes, and ensure stability before deployment.

Work with engineering to resolve platform bugs or performance issues.

Support clients integrating with Fiserv via REST APIs, SOAP services, SFTP, batch jobs, and data interfaces.

Assist with data mapping, schema validation, and SQL transformations.

Guide clients through authentication, token management, and secure API usage.

Validate end to end workflows during UAT and production cutovers.

Troubleshoot SQL Server issues including slow queries, deadlocks, and data inconsistencies.

Assist clients with data extracts, imports, schema changes, and reporting queries.

Validate data integrity across environments (test, UAT, production).

Provide insights on indexing, performance tuning, and query optimization.

Support onboarding, configuration, and deployment of Fiserv solutions.

Assist with environment setup, IIS configuration, connection strings, and service dependencies.

Validate builds, deployments, and version upgrades.

Ensure smooth cutovers with minimal downtime.

Environment: MVC5, C#, Angular 17,SQL Server2016,SSIS, WebAPI,WCF,S,HTML5, CSS3, Kendo/Telerik, JQuery, Bootstrap, Share Point,TFS, and GIT,Devops,IIS 8.5,Azure,NLog

DSS/HRA, NY, USA Nov 2020 – Nov 2023

.Net Consultant

CAPS- Coordinated Assessment and Placement System

A Web based platform that allows providers to centrally access the Coordinated Assessment survey,NYC supportive Housing application and vacancy control system.

Responsibilities

Involved in analysis and design of the system specification and gathering requirements and prepared the document for proposed system

Analyzing and reviewing the business requirements, design document, and functional requirements document.

Use Agile Methodologies for regular adaption to change requirements and continuous delivery of useful and working software.

Successfully implemented web application security of the application — resolved web vulnerabilities like SQL Injection, Cross-site scripting, etc.

Developed web-based applications or systems while adhering to new development specifications which involve C#, MVC 5, No SQL, JavaScript, jQuery, and AJAX.

It is developed and consumed RESTFUL Services in the services layer for implementing business logic.

Designed and developed Angular applications using components, modules, services, RxJS, and TypeScript for scalable enterprise front end architecture.

Built reusable UI components, shared modules, and custom directives to standardize behavior across large applications.

Implemented state management using RxJS, Observables, Subjects, BehaviorSubjects, and async patterns for predictable UI behavior.

Integrated Angular applications with RESTful Web API endpoints, handling authentication, authorization, pagination, filtering, and error handling.

Implemented SQL and PL/SQL queries, triggers, and Stored Procedures as per the design and development related requirements of the project.

Worked with the data architect to design and develop a distributed solution using Cassandra to satisfy a time series requirement.

Responsibility for migrating the templates from Developer sandbox to QA, UAT, and Production. Deploying the components from Developer environment to QA, UAT, and Production using changesets.

Responsibility for enforcing field-level security between different profiles and monitoring SQL request mailbox to provide production support.

Performed unit testing using N-Unit Site plugged into Visual Studio on every new version before sending it for User Acceptance Test.

Involved in writing Unit testing for the Business layer. Involved in writing integration testing for repository.

Environment: NET Framework, ASP.NET, C#, VB.net,MVC 4.0, JQuery, WebAPI,AJAX,Entity Framework,AngularJS,Angular17(PrimeMG), LINQ,Agile / Scrum, XML,XSLT, AJAX, HTML,DHTML, CSS, IIS, MS Visual Studio 2010/2013/2015,Nunit,2012/2015/2017,WinForms,Web API, VSS, Git, SQL Server,PL/SQL, SSIS,SSRS,Oracle 11i/12c,Azure,NLog

DOE, NY, USA Apr 2019 – Nov 2020

.Net Consultant

STARS/LMSAdmin

The STARS Classroom application is designed to support teachers, staff, and administrators in performing key school functions. These include the ability to program students for subjects and mandated services, as well as grade entry and the generation of reports.

Responsibilities

Lead in design and development activities.

Developing the Application using MVC 5 Core, JQuery, Telerik Kendo UI, HTML5, and Bootstrap with SQL Server 2014 as the back end.

Analysis, Design, Coding, Testing for the new re-write web application.

Using Onion Architecture with different layers to implement decoupled architecture.

Creating new modules for the application and created complex SQL queries, procedures according to business requirements.

Experience on working custom Directives,Controllers,Services,filters of module of Angular

Working with an agile methodology to ensure delivery of high-quality work with Bi-Weekly iteration.

Hands-on technical experience delivering utility tool solutions using C# with a focus on Winforms including: OO Design and Programming.

Designed and Implemented SSIS package to extract, transform and Load ( ETL ) data operations from multiple heterogeneous systems to SQL Server

Attending Daily Status meeting, Backlog Grooming meetings and Sprint Planning meeting to implementing Agile Methodologies.

Debugging and testing using Test Driven Development using Nunit

Environment

.NET Framework, ASP.NET, C#, VB.net, MVC 4.0, JQuery, WebAPI,AJAX,Entity Framework,AngularJS,Angular 2, LINQ,Agile / Scrum, XML,XSLT, AJAX, HTML,DHTML, CSS, IIS, MS Visual Studio,Nunit,2012/2015/2017,WinForms,Web API, VSS, Git, SQL Server,PL/SQL, SSRS,,Oracle 11i/12c,SSIS,TOAD

Metropolitan Transportation Authority, NY, USA Aug 2012 – Mar 2019

.Net Lead

RCCF – RCC Flagging, iRAILS, FIAT, SWC (System Wide Contract)

Analyzed, defined, and documented requirements for data, workflow, logical processes, interfaces with other systems, internal and external checks and controls, system inputs and outputs. Analyzed and estimate feasibility and compatibility with hardware and other programs.

Lead team development into using rich UI in developing the scheduling UI by using ASP.NET AJAX Server Controls, custom ASP.NET web parts control library for personalization using pluggable APIs.

Designed and developed .NET web components and user controls using ASP.NET and C#.NET, AJAX Toolkit

Designed web applications with ASP.NET Master Pages, Templates, Themes, Skins and developed dynamic user controls with managed session objects and understanding ASP.NET Page Life Cycle.

Designed database schema, tables, PL/SQL Packages, views, triggers, functions and stored procedures using T-SQL with SQL Server in accordance with enterprise data standards, naming conventions, policies, procedures.

Used Microsoft enterprise library exception handling and logging application block to implement a central repository for monitoring all n-tier farm exceptions, logging, tracing and auditing capabilities.

Involved in performance tuning T-SQL statements adding indexes, reviewing constraints, normalizing & de-normalizing relational application database using SQL Profiler and Network Monitoring tools analyzing high volume transactions.

Designed and Implemented SSIS package to extract, transform and Load ( ETL ) data operations from multiple heterogeneous systems to SQL Server

Using development tools like Visual Studio,Windows,Git/Subversion,TFS

Coordinating new systems development working with project resources to ensure it is consistent and well-integrated with existing Systems and other Proprietary Vendor solutions.

Environment

.NET Framework, ASP.NET, C#, MVC 4.0, JQuery, AJAX,Entity Framework, LINQ,Agile / Scrum, XML,XSLT, AJAX, HTML,DHTML, CSS, IIS, MS Visual Studio 2012/2015/2017, Web API, IBM MQ,VSS, Git, SQL Server,PL/SQL, SSIS,Oracle 11i/12c,TOAD

Bank of America (Merrill Lynch), New York, USA Jan 2011 – Jul 2012

Senior .NET Consultant

GMW (Global Money Wire)

Global Money Wire is a trading application used for money transaction between client and broker. The external client can input and authorize cash payments and receipts, and view the subsequent status of those inputs.

Responsibilities

Designed various custom controls for User Login, Input Validation, Page Navigation, Interactive Grid, Calendar User Controls with ASP.NET Server Controls with HTML, CSS and JavaScript.

Developed and documented several core data processing class libraries in C# using Object Oriented Programming with .NET Framework 2.0/1.1 using industry recognized patterns and policies.

Designed configurable core C#.NET APIs using .NET Generic Collections for business rules engine, exception handling and logging, auditing and tracing to be used across enterprise wide applications.

Developed data access layer using ADO.NET following disconnected architecture using Data Adapter, Data Sets over Data Reader implementing disposable objects for performance over SQL Connection.

Developed business logic layer with WCF (Windows Communication Foundation) web services, .NET Framework 3.0, customizing WSDL SOAP headers and message formats for authentication, signature & implementing secure token over distributed applications following Service Oriented Architecture.

Designed and Created database objects such as stored procedures, packages, functions, triggers and indexes.

Enhanced performance of several automated usage reports and database applications using SQL Profiler for performance tuning with SQL Server 2008.

Environment

.Net, Visual Studio 2008 with TFS/VSS6.0,, C#.NET, ASP.NET, HTML, DHTML,CSS, jQuery, AJAX Control Toolkit, Telerik Rad Controls, DevExpress, XML, XSLT, XPath, Oracle 11g, TOAD, SQL Server 2008,SSIS, SSRS, SSAS, Crystal Reports X, IIS 7/6.

DOHMH, New York, USA Dec 2009 – Dec 2010

eDRI

Application Developer

The main objective of eDRI is data collection. This software is designed for health departments (DOHMH) to deliver HIV prevention services. eDRI is an electronic/browser-based tool to facilitate the collection, reporting, analysis, and interpretation of standardized data on HIV prevention service activities as required in the health department. This system helps DOHMH to analyze and monitor the patient records.

Responsibilities

Designed UML Class diagrams, block diagrams, documents using Microsoft Visio and Microsoft Office to represent business processes and workflows for Object Oriented Development.

Lead, Designed, developed various software programs, applications, established SOA (Service Oriented Architecture) messaging protocols in C#.NET.

Lead team development into using rich UI in developing the scheduling UI by using ASP.NET AJAX Server Controls, custom ASP.NET web parts control library for personalization using pluggable APIs.

Configured IIS to use Forms Authentication, Session state management and, IIS Tuning for Performance, Logs and Alerts.

Code review of peers, enhanced with Threading, Error Handling, Logging.

Designed stored procedures using TSQL queries with joins, cursors, triggers, Database tables with indexing, added relations, scalar, table-valued functions and views. Also used SQL Tuning for performance with cost estimation and execution plan.

Used LINQ to SQL in designing data access layer with Entity Framework on SQL Databases on Windows servers

Written solutions documentation in communication with technical & non-technical personnel.

Collaborated with hospitals, labs, and EHR vendors (Epic, Cerner, custom systems) to validate HL7 message structure, segment mapping, and PHI compliance.

Ensured full alignment with HIPAA Privacy Rule, Security Rule, and Breach Notification Rule across all HL7 based data exchanges..

Experience working with HIPAA guidelines and handling PHI responsibly.

Environment

Visual Studio 2015, C#.NET, .NET Framework 4.6, ASP.NET MVC, XML,HTML5, CSS3,Log4Net, SQL Server 2012/2008, Oracle 11g,PL/SQL, Entity Framework,HL7, HIPPA, TFS with Git for .NET version control

Centers for Disease Control and Prevention (CDC), Atlanta, Georgia, USA Apr 2006 – Nov 2009

Sr .Net Developer

PEMS – Program Evaluation and Monitoring System

The main objective of PEMS is data collection. This software is designed for health departments and community-based organizations (CBO’s) funded by the Centers for Disease Control and Prevention to deliver HIV prevention services. CDC is recognized as the lead federal agency for protecting the health and safety of people. PEMS is an electronic/browser-based prevention tool to facilitate the collection, reporting, analysis, and interpretation of standardized data on HIV prevention service activities as required in the health department and CBO program announcements. It monitors different types of disease control programs throughout different states and funds different agencies which are connected either directly or indirectly with the state health department or CDC. This system helps CDC evaluating and monitoring HIV related diseases and the performance of the agencies which are assigned the task of preventing it.

Responsibilities

Involved in analysis and design of the system specification and gathering requirements and prepared the document for proposed system

Designed and developed ASP.NET web assets including in house web applications

Used Master page and CSS for achieving uniformity among all the ASPX Pages.

Developed HIPAA compliant modules for patient portals, scheduling, claims, and clinical workflows.

Developed and used ADO.NET objects for handling database activities.

Used JavaScript and HTML controls for Client Side validations.

Worked on web services to consume to feed the data and provided security.

Designed and modified database tables and wrote complex T-SQL queries, stored procedures, functions, Triggers in SQL 2000

Integrated HL7 feeds with public health surveillance to support case investigation, lab result processing, and provider reporting workflows.

Designed and developed HIPAA compliant healthcare applications handling PHI for patient intake, case investigation, lab results, and provider communication across CDC

Environment

.Net, Microsoft Visual Studio 2002, C#.Net, ASP.Net, JavaScript, .NET Framework, IIS, XML, CSS, HTML, PHI,PII,HL7,Rational Clear case, SQL server 2000,Oracle 9i, Crystal Report, Windows.

Certifications & Trainings

Microsoft Certified – MCSD, MCP

Brain bench Certified in VB.Net,C#, ASP.Net.

Education

Graduated in Bachelors of Engineering from Bharathiyaar University, Tamil Nadu, India.

oMajors in Electronics and Communications Engineering.

Contact this candidate