Viprasol Blog
Expert insights on trading, development, and technology. Learn from our team of fintech professionals.
Articles (1498)
🚀SaaS & StartupsSaaS Cron Job Dashboard in 2026: Job History, Retry UI, Status Monitoring, and Alerting
Build a SaaS admin dashboard for scheduled jobs: job execution history, real-time status, manual retry, failure alerting, and duration tracking with PostgreSQL and React.
🚀SaaS & StartupsBuilding a SaaS Data Export Pipeline: Async Jobs, Streaming CSV/JSON, and S3 Signed URLs
Build a production-ready SaaS data export system with async job queues, streaming CSV/JSON generation, S3 storage, signed download URLs, and real-time progress tracking.
🌐Web DevelopmentNext.js Authentication Patterns in 2026: Auth.js v5, JWT vs Session, OAuth, and Magic Links
Implement Next.js authentication with Auth.js v5: database sessions vs JWT, OAuth providers (Google, GitHub), magic link email, middleware protection, and role-based access.
🌐Web DevelopmentPostgreSQL Logical Replication in 2026: CDC, Replication Slots, and Streaming to Data Warehouse
Use PostgreSQL logical replication for change data capture: replication slots, publications, Debezium CDC, streaming to Redshift/BigQuery, and monitoring slot lag.
🤖AI & Machine LearningAWS Bedrock RAG in 2026: Knowledge Bases, Embedding Pipeline, and Retrieval-Augmented Generation
Build a RAG system with AWS Bedrock: Knowledge Bases with S3 and OpenSearch, embedding pipeline, retrieval queries, Claude integration, and Terraform configuration.
🚀SaaS & StartupsSaaS Slack Integration in 2026: OAuth, Slash Commands, Interactive Messages, and Notifications
Build a production SaaS Slack integration: OAuth app installation, slash commands, interactive message buttons, workspace notifications, and event subscriptions with TypeScript.
🌐Web DevelopmentTypeScript Template Literal Types in 2026: infer, Mapped Types, and Conditional Types
Master TypeScript template literal types: string interpolation in types, infer keyword, mapped types with remapping, conditional types, and building type-safe APIs and event systems.
🌐Web DevelopmentPostgreSQL Partitioning in 2026: Range, List, and Hash Partitioning with Partition Pruning
Deep-dive into PostgreSQL partitioning: range partitioning for time series, list partitioning for tenants, hash partitioning for even distribution, partition pruning, and maintenance automation.
☁️Cloud & DevOpsAWS Lambda Scheduled Jobs in 2026: EventBridge Cron Rules, Error Handling, and Terraform
Run AWS Lambda on a schedule with EventBridge: cron expressions, rate expressions, overlap prevention, error handling with DLQ, idempotency, and Terraform configuration.
🌐Web DevelopmentReact Query Infinite Scroll in 2026: useInfiniteQuery, Cursor Pagination, and Intersection Observer
Build infinite scroll with React Query useInfiniteQuery: cursor-based pagination, Intersection Observer trigger, bi-directional infinite scroll, and virtualized infinite lists.
🚀SaaS & StartupsSaaS Audit Trail in 2026: Append-Only Event Log, Immutable Records, and Compliance Export
Build a production SaaS audit trail: append-only event log, immutable PostgreSQL records, actor/resource/action model, compliance export, and retention policies for SOC 2 and GDPR.
🌐Web DevelopmentNext.js Static Site Generation in 2026: ISR, generateStaticParams, and On-Demand Revalidation
Master Next.js static generation in 2026: generateStaticParams for dynamic routes, ISR with revalidate, on-demand revalidation via revalidatePath and revalidateTag, and PPR.
☁️Cloud & DevOpsAWS Parameter Store vs Secrets Manager in 2026: Hierarchical Config, Rotation, and Terraform
Compare AWS SSM Parameter Store vs Secrets Manager: use cases, cost, rotation, hierarchical configuration paths, Lambda and ECS integration, and Terraform configuration.
🌐Web DevelopmentReact Native Camera in 2026: Expo Camera, Photo Capture, and Image Picking
Build React Native camera features with Expo Camera v14: photo capture, front/back camera switch, flash control, image picking from gallery, cropping, and upload to S3.
🚀SaaS & StartupsSaaS Waitlist in 2026: Invite Codes, Referral Tracking, Drip Emails, and Launch Conversion
Build a SaaS pre-launch waitlist: invite code generation, referral position tracking, automated drip email sequences, viral share mechanics, and conversion to paid subscription.
🌐Web DevelopmentPostgreSQL EXPLAIN ANALYZE in 2026: Reading Query Plans, Identifying Slow Queries, and Index Fixes
Master PostgreSQL EXPLAIN ANALYZE: reading query plan nodes, identifying seq scans and hash joins, using pg_stat_statements, adding indexes, and fixing N+1 query patterns.
🌐Web DevelopmentReact State Machines in 2026: XState v5, useReducer Patterns, and Complex UI Flows
Model complex React UI flows with state machines: XState v5 actors, useReducer finite state patterns, multi-step wizards, form flow states, and testing state transitions.
☁️Cloud & DevOpsAWS SQS and SNS Patterns in 2026: Fan-Out, FIFO Queues, and Message Filtering
Production AWS SQS and SNS patterns: fan-out architecture, FIFO queues with deduplication, message filtering, Lambda trigger configuration, DLQ setup, and Terraform configuration.
🌐Web DevelopmentNext.js Middleware Authentication in 2026: JWT Verification, Route Guards, and Edge Runtime
Implement Next.js middleware authentication: JWT verification at the edge, route guards, role-based redirects, workspace context injection, and performance-safe middleware patterns.
🚀SaaS & StartupsSaaS Usage-Based Billing in 2026: Metered Stripe Subscriptions, Aggregation, and Overage Charges
Implement SaaS usage-based billing with Stripe: metered subscriptions, usage record aggregation, overage pricing tiers, real-time meter reporting, and billing period reconciliation.
🌐Web DevelopmentPostgreSQL UUID vs Serial vs ULID in 2026: Ordering, Indexing, and Sharding Trade-offs
Compare PostgreSQL UUID v4/v7, ULID, and serial IDs in 2026: B-tree index fragmentation, insert performance, sharding, URL exposure, and how to migrate from serial to UUID.
🌐Web DevelopmentReact Resizable Panels in 2026: react-resizable-panels, Drag Handles, and Persistent Layout
Build resizable panel layouts in React with react-resizable-panels: drag handles, collapsible panels, keyboard navigation, persistent layout, and sidebar + code editor patterns.
☁️Cloud & DevOpsTerraform vs CloudFormation vs CDK in 2026: When to Use Each and How to Migrate
Compare Terraform, AWS CloudFormation, and AWS CDK in 2026: syntax, state management, multi-cloud, testing, drift detection, and migration strategy from CloudFormation to Terraform.
🚀SaaS & StartupsSaaS CSV Import in 2026: Parsing, Validation, Background Jobs, and Progress Streaming
Build a production SaaS CSV import pipeline: streaming CSV parse, per-row validation, background job processing, real-time progress via SSE, error reporting, and duplicate detection.
🚀SaaS & StartupsSaaS Multi-Workspace Architecture in 2026: Users in Multiple Orgs and Workspace Switching
Build a SaaS multi-workspace architecture: users belonging to multiple organizations, workspace switching UX, cross-workspace search, per-workspace billing, and data isolation.
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