Senior software engineer

AMADY BA

Senior .NET Full Stack Engineer

810-***-**** **********@*****.*** Sugar Land, TX

https://www.linkedin.com/in/amady-ba-dev1992/

Summary

Senior .NET Software Engineer with 10+ years of experience building distributed, cloud-native enterprise systems across insurance, fintech, and financial services. Strong background in C#, .NET 8/9, ASP.NET Core, Go, Python, Node.js, and TypeScript with deep knowledge of React, Next.js, Angular, and Vue. Experienced in microservices, event-driven architecture, DDD, Kubernetes, Azure, AWS, and GCP. Delivered AI-driven automation using LLMs, RAG pipelines, and OpenAI integrations. Proven ability to modernize legacy systems, improve performance, implement secure API platforms, and scale systems. Work Experience

Senior .NET Full Stack Engineer Lemonade, Inc

Feb 2021 – Present New York, NY

• Led architecture of a multi-tenant insurance payment platform using C#, .NET 8/9, ASP.NET Core, Go microservices, and PostgreSQL processing 250K+ monthly transactions.

• Designed distributed services with CQRS, MediatR, and Domain-Driven Design enabling improvement in release stability across 40+ production deployments annually.

• Modernized legacy .NET Framework and WCF applications into containerized ASP.NET Core and Node.js APIs reducing deployment time by 38% through Kubernetes orchestration on Azure AKS and AWS EKS.

• Implemented event-driven communication with Kafka, and Go consumers increasing throughput under 3x traffic growth.

• Delivered frontend platforms using React, Next.js, Vue, and Angular with TypeScript improving customer onboarding completion.

• Built RAG pipeline using LangChain, OpenAI embeddings, and Pinecone vector DB to automate underwriting document analysis, processing 2,500+ documents/month

• Reduced average underwriting review time from 45 minutes to 25 minutes across 15 insurance products

• Engineered prompt caching and response streaming to maintain low latency for real-time AI-assisted decisioning

• Optimized EF Core queries, Redis caching, and T-SQL indexing strategies maintaining sub-second API response times across 5M+ records.

• Hardened authentication with OAuth2, JWT, and Microsoft Entra ID passing 3 consecutive SOC and PCI audits without critical findings.

• Established observability using OpenTelemetry, Prometheus, and Datadog lowering MTTR across microservices.

• Automated CI/CD pipelines via GitHub Actions, Terraform, and Bicep enabling daily production release.

• Increased unit and integration test coverage from 52% to 75% using xUnit, Jest, and Selenium ensuring stable multi-region deployments.

• Mentored 6 engineers on Go, TypeScript, DDD patterns, and Kubernetes scaling strategies supporting delivery across 8 cross-functional squads.

• Established engineering standards for Go and TypeScript adopted by 4 squads

• Led weekly architecture reviews and incident post-mortems for 8 cross-functional teams Senior .NET / Python Engineer Modisoft

Mar 2018 – Feb 2021 Sugar Land, TX

• Architected financial transaction systems using C#, .NET 6+, ASP.NET Core, and SQL Server supporting hundreds of thousands of daily transactions across healthcare provider networks.

• Built RESTful and SOAP integrations with Salesforce and SAP enabling real-time synchronization across 15 enterprise clients.

• Developed backend services with Node.js, NestJS, and Go improving API response performance by 29% compared to monolithic implementations.

• Constructed asynchronous processing pipelines using RabbitMQ and Azure Service Bus handling 10M+ messages per month.

• Deployed containerized applications to AWS ECS, Azure App Services, and Google Cloud GKE reducing infrastructure costs by 22%.

• Created ETL workflows using SSIS and Python data pipelines processing 50GB+ nightly transaction datasets.

• Enhanced SQL Server performance through indexing, partitioning, and optimized T-SQL procedures lowering reporting latency by 24%.

• Integrated React, Vue, and Next dashboards with TypeScript improving user interaction speed by 25%.

• Expanded automated regression coverage with xUnit and Selenium decreasing production defects.

• Facilitated Agile ceremonies and enforced SDLC governance across 3 scrum teams increasing sprint predictability. Full Stack .NET Developer K & A Financial Group LLC Jun 2015 – Apr 2018 Sugar Land, TX

• Developed loan processing systems using C#, ASP.NET MVC, .NET Framework, and MS SQL serving tens of thousands of active customers.

• Refactored monolithic applications into layered OOP-based architecture improving maintainability metrics by 31%.

• Implemented REST services consumed by Angular and early React interfaces reducing manual processing steps by 24%.

• Migrated workloads to Azure VMs and reconfigured IIS settings improving system availability.

• Introduced Redis caching and improved stored procedures decreasing database load.

• Supported Linux-based deployment environments and automated build scripts using Bash improving release preparation time by 18%.

• Produced reporting solutions with Power BI and Crystal Reports enabling executive insights across 12 financial KPIs. Education

Bachelor’s Degree in Computer Science

The University of Texas at Dallas Nov 2010 - Jul 2015 Technical Skills

Languages: C#, .NET 8/9, .NET Core, JavaScript ES6+, TypeScript, Go, Python, SQL, T-SQL, Bash Frontend: React, Next.js, Angular, Vue.js, Nuxt.js, Blazor Server, Blazor WebAssembly, Redux, Zustand, Tailwind CSS Backend: ASP.NET Core Web API, Minimal APIs, Node.js, NestJS, Go Fiber, Python FastAPI, EF Core 8, ADO.NET, LINQ, MediatR, CQRS, DDD, REST, gRPC, GraphQL, SOAP

Architecture: Microservices, Event-Driven Architecture, Clean Architecture, Vertical Slice Architecture, OOP, SOLID, Secure API Design, SDLC

Databases: SQL Server, MS SQL, PostgreSQL, MongoDB, Redis, DynamoDB, Oracle, NoSQL Messaging: Azure Service Bus, Apache Kafka, RabbitMQ, Dapr Cloud: Microsoft Azure AKS App Services Azure SQL Key Vault Entra ID, AWS EKS ECS EC2 Lambda, Google Cloud GKE Cloud Run

DevOps: Docker, Kubernetes, Terraform, Bicep, GitHub Actions, Azure DevOps, Jenkins, CI/CD Pipelines Observability: OpenTelemetry, Prometheus, Grafana, Datadog, ELK Stack, Serilog Testing: xUnit, NUnit, Jest, Selenium, Integration Testing, TDD Security: OAuth2, JWT, Microsoft Entra ID, IdentityServer, RBAC, PCI Compliance, SOC Audit Support AI and Automation: OpenAI APIs, LLM Integration, RAG, LangChain, AI Workflow Automation

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