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Jan Daniell Paragas

@jandaniellparagas

Engineering Lead at Staizen building a B2B workforce-management platform with .NET 8 microservices, CQRS, event sourcing, and gRPC.

Philippines

Message

At Staizen, I lead engineering for a B2B SaaS workforce-management platform covering staff allocation, Gantt scheduling, and reporting. I design .NET 8 microservices with CQRS, event sourcing, and DDD, and expose GraphQL through HotChocolate and a NestJS BFF.

Previously, I delivered .NET features for insurance-claims systems at Crawford & Co and migrated legacy MuleSoft APIs to .NET services. At Navitaire, an Amadeus company, I led design and development of an airline accounting system and built desktop apps and data-processing batch modules.

Experience

Work history, roles, and key accomplishments

Current

Engineering Lead

Current

Staizen

Jun 2025 - Present (1 year 4 months)

Lead engineering on a B2B SaaS workforce-management platform, owning services end to end from domain design to production. Design .NET8/C#12 microservices using CQRS, event sourcing, and DDD, with gRPC and GraphQL.

.NET 8+C# 12 CQRS Event Sourcing DDD gRPC GraphQL HotChocolate NestJS Data Loader Kubernetes GitHub Actions Amazon Cognito Claude MCP

Senior Fullstack Software Engineer

Crawford & Co

Mar 2024 - Jun 2025 (1 year 3 months)

Delivered end-to-end .NET8 features for insurance-claims systems and mentored engineers. Migrated legacy MuleSoft APIs to modern .NET services and built event-driven systems on AWS with CloudFormation and Azure DevOps CI/CD.

.NET 8+AWS Lambda EventBridge Amazon EKS DynamoDB SQS SNS CloudFormation Azure DevOps Kubernetes Helm MuleSoft

Principal Consultant

RIA Advisory

Jun 2023 - Mar 2024 (9 months)

Built document-automation POCs and MVPs for invoice processing using Azure Form Recognizer and Computer Vision. Modernized invoice generation onto .NET and Angular with ReactQuery in an NX monorepo.

Azure Form Recognizer Document Intelligence Computer Vision OCI IAM Object Storage .NET Angular React Query Nx (Monorepo)JMeter

BackEnd Developer

FLNT

Jan 2022 - Jun 2023 (1 year 5 months)

Built a property-search and lease-management platform on .NET 5/6 with an Angular frontend. Developed high-performance REST APIs for property data aggregation, indexed search, and automated lease workflows.

.NET 5 .NET 6 Angular REST APIs Property Data Indexed Search Lease Workflows

Backend .NET Developer

Xelure Technologies

Jan 2021 - Nov 2021 (10 months)

Developed a C#/.NET Core 3.1 Windows service for automated vulnerability scanning and Windows Event Log ingestion on a cybersecurity platform. Refactored legacy static code into testable object-oriented architecture.

C#.NET Core 3.1 Windows Services Vulnerability Scanning Windows Event Logs Cybersecurity Refactoring

Software Development Specialist

Navitaire, an Amadeus company

May 2013 - Dec 2020 (7 years 7 months)

Led design and development of an airline accounting system to company standards. Built and maintained client desktop apps and data-processing batch modules, improving accuracy and throughput.

Airline Accounting Desktop Applications Data Processing Batch Modules Code Review Training