Maksim is a good programmer who knows his craft and pays attention to detail. He has proven himself a strong team player. He completes tasks quickly and to a high standard.
Senior Rails, React and AI engineering for SaaS companies
Rails upgrades, AI features, product development and support. We agree on scope and working format around your needs.
Email AlexanderServices
From an architecture review to ongoing product development, choose the support your team needs.
Discovery and architecture
Review your codebase and plans to identify risks, priorities and an estimate. Scope, timing and deliverables are agreed before starting.Architecture, risks and priorities
Product design
UX and UI for complex web apps: admin panels, editors, dashboards. We design what engineers can actually build, then build it.UX and UI for complex web apps
Product development
Rails backends, React interfaces, integrations and background processing. We take features from planning to release.Rails and React, ticket to production
QA that ships
Manual and automated testing, code review, and release checks help identify issues before changes reach your users.QA in every merge request
DevOps and on-call
Deployment, monitoring, backups and application support. We agree responsibilities and support coverage with your team.AWS, CI/CD, monitoring, on-call
Rails upgrades and modernization
Rails and Ruby upgrades, dependencies, tests and performance. Start with an audit if needed.Audits, upgrades, performance
Examples of cases we have solved
Examples of product engineering work, presented without identifying clients.

Development and integration of AI solutions
Image upscaling, object removal, content generation, and an AI writer integrated into the editor. Hosting and data flows depend on the model and feature.
Self-hosted models
Image and text
In production

Web development
A Rails backend and React editor developed by our team since 2017.
Version upgrades, integrations, and automated tests keep the product evolving alongside its users’ needs.
SaaS platforms
Admin panels and dashboards
Integrations and APIs

Design system for a design editor
An editor interface that helps people create materials without design expertise.
Locked brand elements, templates that agents cannot break, a design system shared between the editor, the admin and marketing outputs.
Design system
Editor UX
Templates
Locked brand elements

Marketing automation
Marketing materials that build themselves when a listing hits the property data: rules engine, generation, approval, regeneration on status change.
property data integration
Rules engine
Compliance
How we start
Introduction
Discuss your product, team and priorities.
Assess the task
Clarify the scope and risks. Start with an audit if needed.
Agree on the approach
Choose the team, timeline and working format together.
Start work
Deliver agreed tasks and review progress with you.
How we work with your team
They already work together
Engineers with experience working together, shared review practices, and QA. We plan onboarding around your product and existing team.
Nothing is locked in
Your repo, your infra, your accounts. Documentation and handover are part of the job, not an extra.
One person answers
Agree on a technical lead, responsibilities, and communication rhythm at the start. Alexander joins the initial discussion and helps define the engagement.
- Backend
- Design
- Frontend
- Infrastructure
- Infrastructure
- Backend
- Frontend
- Design
Working with our engineers
Start with a message
Tell us what you need. We’ll start by email and arrange a call if useful.


