Product Development
SaaS product support
Long-term work on a SaaS product: new features, refactoring, test coverage, performance optimization, and support for a distributed development team.
Ruby on RailsReactRSpecAWSElasticsearch
Service
Custom web application and internal system development
I build web systems around real business processes: user accounts, admin panels, CRM modules, internal tools, and product web applications.
Where it helps
When this service delivers the greatest value
You need a service built around a specific process instead of adapting to the limitations of an off-the-shelf solution.
You have an existing product that needs a new module, a new area of functionality, or stronger technical support.
You need one specialist who sees the whole picture: data, APIs, UI, integrations, and operations.
What's included
What I handle as part of the work
Defining the product structure, roles, data, and critical workflows.
Backend and frontend development focused on maintainability.
User accounts, admin panels, CRM modules, and operational interfaces.
Integrations with external services, webhook workflows, and data exchange.
Refactoring, stabilization, and preparing the product for its next stage of growth.
Process
How the work is organized
01
We align on the business need and identify which workflows the product actually needs now.
02
We build the solution in layers: data, business logic, integrations, interfaces, and operations.
03
We develop the product in short iterations so the team can see progress and adjust priorities.
04
We lay the foundation for straightforward maintenance, knowledge transfer, and the next stage of development.
Stack
Technologies for this task
I choose the stack around the scenario and its constraints, rather than an impressive list of technologies.
Ruby on RailsReactTypeScriptGoPostgreSQLRedisElasticsearchDocker
Case studies
Related case studies
Examples of projects where a similar stack and approach have already served the product and process.
View case study
Backend & Integrations
CRM integrations
Developing modules that connect an internal CRM to external services: payment systems, email marketing, and analytics, where predictable and reliable data exchange matters.
Ruby on RailsPostgreSQLRedisSidekiqREST API
FAQ
Frequently asked questions about Custom web development
Brief answers to questions that usually come up before work begins.
Contact
Need a web system that supports your process instead of getting in its way?
Tell me about the product or internal tool you need to build or improve. I will help define a sensible scope and a path to a working version.