Roman Sokolov

Senior Fullstack Developer / 12+ years experience / Barcelona, Spain

Senior fullstack developer available for agency subcontracting and project work.

Let's talk
React TypeScript Node.js Next.js PostgreSQL Cloudflare Workers Python Salesforce

01 — What I Do

Web Applications

React/Next.js SPAs, dashboards, admin panels. Pixel-perfect, performant, and accessible.

API & Backend

Node.js, REST/GraphQL APIs, database design, and third-party integrations that scale.

CRM & Fintech

Salesforce FSC, CRM integrations, financial data systems. Deep domain experience in advisory tech.

DevOps & Infra

Cloudflare Workers, Docker, CI/CD, monitoring. Production-ready infrastructure from day one.

02 — How I Work

I integrate into your team seamlessly.

Availability

Overflow capacity, project-based work, or long-term subcontracting. Flexible engagement models.

Timezone

CET (Europe/Madrid) — comfortable overlap with UK, EU, and US East Coast teams.

Communication

Slack, email, async-first. Clear written updates, documented decisions, predictable delivery.

03 — Selected Projects

Vintage Authentication iOS App

AI-powered mobile app for authenticating vintage items and estimating market value. Contract engagement — full cycle from development to App Store release.

Delivered to App Store in 2.5 months
React Native Expo TypeScript OpenAI API Apple ID Auth

CRM Integration Platform

Widget ecosystem connecting multiple CRM systems (Salesforce, Redtail, Wealthbox) with a unified API layer.

1,000+ financial advisory firms served
React TypeScript Node.js Salesforce API REST

SmarterTools

AI-powered platform that matches businesses with optimal software stacks. Curated database with questionnaire-based recommendations via Claude AI.

100+ tools catalogued — live smartertools.app ↗
Astro React Cloudflare Workers D1 Claude AI

Captureze

Website monitoring SaaS with scheduled screenshots, pixel-level visual diff, and multi-channel alerts (email, Slack, Telegram).

Live — $19–$149/month captureze.com ↗
Node.js Astro TypeScript Puppeteer Nginx

Vibe Audit

Code review service for AI-generated projects. Manual security, performance, and code quality audit with 24–72h turnaround.

Live — $49–$249/audit vibe-audit.com ↗
Next.js Node.js TypeScript Stripe

Financial Data Dashboard

Real-time dashboard for financial advisors with customizable widgets, data sync, and reporting.

Used daily by advisory teams
React TypeScript Node.js PostgreSQL WebSockets

04 — Let's Work Together

Have a project in mind? I'm currently available for new engagements.