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👋 Hello I'm

Carl Johnson

C E R T I F I C A T I O N S

Microsoft Certified: Azure Fundamentals

AWS Certified DevOps Engineer – Professional (Credential ID: KPWS1ELKLE1E1GW3)

AWS Certified Solutions Architect – Professional (Credential ID: NH06F4P2LB4E1XGP)

About Me

Senior Software Engineer | Finance, Healthcare

My Contact Information

Name :Carl Johnson

Email :carltonjohnsonote@gmail.com

Phone : (321) 324 0002

LinkedIn : http://www.linkedin.com/in/carl-johnet-c

Address : Holiday, Florida, 34691

Professional

Experience

Citigroup

Feb 2022 - May 2025

Senior Software Engineer, Tech Lead

Worked on a 12-member team to deliver an Equity Derivatives Trading application, driving business-critical solutions for traders by integrating real-time market data, pricing, and trade booking functionalities. Leveraged Azure based Microservices architecture with C#/ASP.NET Core 6, Node.js with Angular.

Accenture

Jan 2020 - Feb 2022

Senior Software Engineer

Orchestrated the Healthcare SaaS platform's framework based on microservices and event-driven patterns utilizing ASP.NET Core, Angular, Docker, RabbitMQ, SSIS and ELK; enhancing the user experience.

ScienceSoft

Jan 2015 - Dec 2019

Software Engineer

Skills

My expertise skills

● C#, .NET, ASP.NET Core, Entity Framework, MVC, Web API, WPF, ADO.NET, SignalR, Node.js, Django
● JavaScript, TypeScript, Angular, React, Next.js, Vue.js, Node.js, BootStrap, Kendo UI, React Native, MAUI, Xamarin
● MS SQL, PostgreSQL, CosmosDB, DynamoDB, MySQL, MongoDB, Redis, S3
● SAOP, REST, GraphQL, RabbitMQ, Kafka
● Azure App Service, Azure Functions, Azure Logic Apps, Azure Key Vault, Azure Service Bus, Azure Application Insights, Azure SQL, Azure Data Factory
● AWS Lambda, AWS Cognito, AWS Glue, AWS Redis, AWS S3
● NUnit, XUnit, MSTest, Apache Jest, Cypress, Moq, Adobe Target, Monetate
● TeamCity, Azure DevOps, Jenkins, Docker, Kubernetes, Terraform
● Jira, Confluence, Kanban, Agile, CRM, Salesforce Mulesoft

My Services

What I Can Do

Designs, develops, and secures scalable backend systems using C#, .NET Core, and Node.js. Builds REST, SOAP, and GraphQL APIs, integrates real-time data streams, and ensures compliance with industry standards like PCI-DSS, SOX, and HIPAA. Specializes in event-driven and microservices architectures for finance and healthcare.

Designs efficient schemas and optimizes queries for SQL Server, PostgreSQL, CosmosDB, DynamoDB, and Redis. Implements ETL workflows, advanced indexing, and caching strategies. Ensures secure, reliable, and high-speed data access for mission-critical applications.

Architects, deploys, and maintains cloud-native solutions on Azure and AWS. Implements serverless computing, CI/CD pipelines, infrastructure as code, and container orchestration with Docker and Kubernetes. Ensures compliance, security, and scalability for enterprise platforms.