Blog
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By Alera Infotech Engineering | October 2025 Payments systems live at the intersection of throughput, irreversibility, and regulation. This guide walks Staff-level engineers through building a fault-tolerant, PCI-aware eCommerce payments platform using Java + Spring Boot + Kafka + PostgreSQL (AWS). We focus on determinism (exactly-once outcomes), auditability, and evolution (how the system scales and…
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By Alera Infotech Engineering | Published October 2025 Healthcare engineering demands a unique balance between throughput, reliability, and ethics. A single dropped message can compromise patient safety; a design shortcut can violate HIPAA compliance. This article is a field manual for Staff Engineers who architect FHIR-driven data platforms using FastAPI + Spark + AWS. 1.…
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Understanding Event Bubbling in Lightning Web Components (LWC)
When working with Lightning Web Components (LWC), you’ll often need your parent component to react when something happens deep inside a child or even a grandchild. For example, think of a table inside another table with checkboxes — when the user checks a box, the parent should know. This is where event bubbling comes in.…
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Camunda 8: The Complete Guide to Modern Workflow Orchestration
Camunda 8 and BPMN: The Complete Guide to Workflow Orchestration Modern systems are built from many parts: REST APIs, microservices, SaaS integrations, and human workflows. The challenge is not building each service, but orchestrating them together in a way that is reliable, visible, and adaptable. This is where BPMN (Business Process Model and Notation) and…
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Job interviews are not just about your skills — they’re also about how you react under pressure, adapt to uncertainty, and communicate clearly. Recruiters and interviewers often use subtle strategies (sometimes even “tricks”) to observe your behavior in real-time. Recognizing these strategies can help you stay calm and perform at your best. 🔄 Last-Minute Reschedule…
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The Practical Guide to Table Tech on a Data Lake (Iceberg vs Delta vs Hudi)
Salesforce Platform Developer II (PD2) Training Salesforce Platform Developer II (PD2) Training A hands-on program by Alerainfotech to master advanced Apex, LWC, integrations, and patterns—so you can confidently clear PD2. View Pricing Contact Us Who is this for? Salesforce developers aiming for PD2 PD1-certified devs moving to advanced scenarios Engineers transitioning from admin/low-code to pro-code…
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Ultimate Guide to Preparing for the Salesforce Agentforce Specialist Certification Exam
The Salesforce Agentforce Specialist Certification is designed for professionals who want to master AI agents, prompt templates, insights, and governance in Salesforce. If you’re preparing for the exam, you’ll need to know not just the theory but also how to map real-world scenarios to the correct Salesforce feature. This guide provides a complete breakdown of…
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Building an AI Healthcare Agent to Automate Clinical Follow-Up Decisions
By Mahesh PalanPublished: July 2025 🚀 Introduction Imagine a world where AI reads clinical notes and decides whether a patient needs follow-up — and even books it for them automatically. That’s the vision I had when building my healthcare automation agent. In this blog, I’ll walk you through how I used BERT, PyTorch, Temporal, and…
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From Admin to Developer: Writing Your First Salesforce Trigger
If you’re a Salesforce Admin who wants to become a Developer, you’re in the right place. You already know objects, fields, and automation — now let’s add one more tool: Apex triggers. ⚡ This tutorial will guide you through writing your first Apex Trigger inside the Salesforce Developer Console — no prior coding required! Why…
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Jobseekers, Automate the Most Annoying Part of Your Day
Screenshot 📋 Jobseekers, Automate the Most Annoying Part of Your Day As a developer constantly applying for jobs, I often receive emails from recruiters asking me to fill out the same table over and over again. Details like my name, contact number, LinkedIn, work authorization—every single time. It gets frustrating. You’re already…
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