Resume / Fullstack Developer

Aleksei Dergachev

Fullstack developer who carries a product from interface and business logic to API integrations and production-ready delivery.

Fullstack developer focused on real product work: interfaces, business logic, APIs, integrations, and production-ready delivery. I build solutions that simplify workflows, reduce routine work, and help products stay reliable as they grow.

Focus

Strong fullstack focus without the noise.

Product development

Interfaces, business logic, APIs, integrations, and delivery inside one working cycle instead of isolated implementation.

From idea to production

I can move from structure and interface decisions to backend logic, integrations, and launch preparation with a coherent product view.

Independent execution

Task decomposition, implementation, verification, code review, iterations, and getting the feature to a finished state.

Experience

Team experience

CloudComments

Backend → Full-stack Developer

Developed a review service for e-commerce websites as part of a small team. Joined an existing product as a backend developer, gradually took on frontend work, and went on to deliver changes across both parts of the system.

  • Added features and fixed bugs across backend logic, APIs, the review widget, and the admin interface.
  • Developed configurable review fields, preserving historical field names and values after a field was changed or deleted.
  • Improved widget appearance and behavior settings, OAuth authentication, and notification workflows.
  • As my product knowledge grew, independently turned team requests into tasks, described solutions, implemented changes, maintained statuses, scheduled sprint checks, and wrote progress reports.

What I can cover

Product responsibilities, not just tool names

Product Frontend

What I cover

SaaS interfacesDashboardsAdmin panelsFormsTablesFiltersOnboardingResponsive systems

Technologies

ReactNext.jsTailwind CSSMaterial UIStorybookTanStack QueryReact Hook Form

Backend

What I cover

REST APIAuthenticationPermissionsBusiness logicValidationDatabase architectureIntegrations

Technologies

NestJSPrismaTypeORMPostgreSQLJWTSwaggerZodFastify

Product Integrations

What I cover

Telegram Bot APIEmailOpenAI APIBullMQExternal APIWebhooks

Technologies

Telegram workflowsemail deliveryAI-assisted processingqueue-based background jobs

Delivery

What I cover

DockerLinuxEnvironment configurationProduction readinessPerformanceCross-browser stability

Technologies

docker-composepnpm workspacesTurboreporemote setuprelease discipline

Tech stack

The stack supports the product, not the other way around

Frontend

HTML В· CSS В· Sass В· SCSS В· Tailwind CSS В· BEM В· Material UI В· Storybook В· JavaScript В· TypeScript В· React В· Next.js В· Preact В· React Router В· TanStack Query В· React Hook Form В· i18next

Backend

Node.js В· NestJS В· Fastify В· Laravel В· PHP В· Prisma В· TypeORM В· Zod В· REST API В· Swagger В· JWT В· OAuth В· OpenTelemetry В· PostgreSQL

Delivery & Integrations

Product architecture В· API integrations В· Telegram Bot API В· Email (SMTP) В· OpenAI API В· BullMQ В· Docker В· docker-compose В· Linux В· .env environments В· pnpm workspaces В· Turborepo В· Production readiness

Product Work

Interface systems В· Responsive UI systems В· Admin panels В· CRUD workflows В· Validation В· Feature delivery В· Performance improvements В· Cross-browser stability В· Onboarding flows В· Analytics surfaces В· Multi-tenant SaaS

Mobile

Expo В· React Native В· Mobile app flows В· Device-oriented UX

Teamwork & Process

Task decomposition В· PR workflow В· Code review В· Safe iterations В· Independent execution В· Production readiness

Approach

How I work on a product

Product first

I look beyond the isolated task and focus on how the decision affects the full user and business flow.

Predictable architecture

I aim for a structure that can be extended and supported after the first release instead of shortcut implementations.

Frontend + backend

I can see the whole chain: interface, API, business logic, data, and integrations as one system.

Delivery

The work does not end at commit. Verification, stability, production readiness, and support matter just as much.

Selected work

Projects where the value is more than code

A few selected product cases that show system thinking, workflow design, and delivery beyond a simple feature list.

AI / CRM / SaaS

Product development · Frontend · Backend · Integrations

AI Lead Inbox

AI-assisted lead operations platform that centralizes intake, qualification, pipeline movement, and reply workflows.

Stack

React · NestJS · BullMQ · PostgreSQL · OpenAI · Telegram / Email

View project

B2B SaaS / Document AI

Product development · Frontend · Backend · Integrations

Evidra

Document processing workspace that turns invoices and scans into structured data, with field-level review, team comments, and approved exports.

Stack

Next.js · React · TypeScript · NestJS · Prisma · PostgreSQL · Python / FastAPI · OpenAI API · Docker

View project

Subscription Platform UX

Product development · Account flows · Admin systems

Secure Connectivity Platform

Subscription-based connectivity platform with device provisioning, account access, server visibility, and support workflows.

Stack

Next.js · NestJS · Prisma · PostgreSQL · Expo / React Native

View project

Local Business / Feedback Workflow

Product development · Workflow design · Dashboard UX

QR Review Platform

Customer feedback and review-operations platform for local businesses with QR routing, guest forms, inbox handling, and analytics.

Stack

Web application · Feedback workflows · Analytics · Admin surfaces

View project

Booking / Search Workflow

Product development · Search flows · Booking UX

Bronvi / Booking Platform

Booking platform with search, availability, reservation flow, and calendar-based user scenarios.

Stack

Booking flow · Availability · Calendar · Search experience

View project

Have a project or task that needs to reach a real result?

I can join the development of an existing project or help build a new service from interface and workflow to backend logic and integrations.