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Articles on software development

Pricing, timelines, technologies and pitfalls — written from our own projects.

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Web services & CRM

RPO and RTO in SaaS Backup: How to Choose a Strategy and Avoid Data Loss

Learn how to measure acceptable data loss and downtime for SaaS. We cover RPO, RTO, backup types, and required recovery tests.

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Web services & CRM

Message Queues in Integrations: RabbitMQ, Kafka, Redis Streams — When to Use What, Reliability

We break down when to use RabbitMQ, Kafka, and Redis Streams, how to build reliable message queues, and avoid data loss during failures.

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Web services & CRM

Observability from Scratch: Logs, Metrics, and Traces for Small and Medium Businesses

Step-by-step guide to implementing observability for SMBs: collecting logs, metrics, and traces, setting up ELK and Grafana in the cloud, alerts, and infrastructure monitoring…

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Web services & CRM

Infrastructure as Code: Terraform and Ansible for Reproducible Environments for Product Teams

Learn how Terraform and Ansible ensure environment reproducibility for product teams. Reduce risks, accelerate delivery, and maintain control...

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Web services & CRM

Migrating a Web Application to the Cloud: Plan, Risks, and Downtime

A step-by-step plan for migrating a web application to Yandex Cloud or AWS, risk analysis, cutover strategy to minimize downtime, and practical recommendations.

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Web services & CRM

Custom Admin Panel Development: CRUD, Role-Based Access, and Action Auditing for Efficient Management

Custom admin panels with RBAC: CRUD functionality, operator UX, auditing. How to make data management secure and convenient.

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Web services & CRM

Pre-release Load Testing for Web Services: k6, Scenarios, and SLO

Load testing web services before release: using k6, building scenarios, and verifying SLO. Recommendations from ESK Solutions.

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Web services & CRM

SSR, SPA or Hybrid: How to Choose the Architecture for a Business Web Application

SSR, SPA, or hybrid: compare web app architectures based on SEO, UX, and development ease. Tips for business selection.

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Web services & CRM

Payment System Integration for Web Products: Acquiring and Billing via Webhooks, Idempotency, and PCI DSS

How webhooks, guaranteed idempotency, and minimal PCI requirements make payment system integration reliable. Analysis for web products.

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Web services & CRM

Client Personal Account Architecture: How to Design a Secure, Convenient, and Scalable Solution for B2B and B2C

We analyze the architecture of a personal account: role model, document management, notifications, and data protection. Approaches for B2B and B2C segments…

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Web services & CRM

Choosing a Web Development Contractor: Criteria, Pilot, Contract

Selection criteria for a web development contractor: from RFP preparation to pilot launch. KPIs, communication, and project protection — in this ESK Solutions article.

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Web services & CRM

Technical Specification for Web Service Development: Structure, User Stories, and Common Mistakes

Analyzing key sections of a technical specification for a web service, the role of User Stories and Acceptance Criteria, non-functional requirements, and the most common mistakes during requirements definition.

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