Category: Software Development
All the articles in the "Software Development" category.
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Predileto '#9 - DDD and Hexagonal Architecture in a Python Backend
Software DevelopmentA walkthrough of how Estate OS Service implements Domain-Driven Design with hexagonal architecture in Python — bounded contexts, ports and adapters, typed domain events, and the trade-offs that shaped the design.
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Predileto '#8 - Building the Property Search Portal with Next.js
Software DevelopmentHow we built a property search portal with Next.js 16, hybrid rendering, URL-driven state, hierarchical location filtering, and comprehensive test coverage using Cypress and Jest.
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Predileto '#7 - Building a Property Visit Booking Service in Go
Software DevelopmentHow we built a property visit booking service in Go with domain-driven design, optimistic locking, OpenAPI code generation, SQS event consumption, and E2E tests using testcontainers.
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Predileto '#5 - Screening Rental Applicants with LangGraph and Reducto
Software DevelopmentHow we built an applicant screening pipeline that extracts identity and income data from uploaded documents, verifies them against applicant claims, and produces a risk-scored report using LangGraph and GPT-5.4.