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Malt Strategy
Roman MaltsevRM

Roman Maltsev

Senior Backend NodeJS Engineer

€390/day
Valencia, ES
8-15 years
Node.js
PostgreSQL
Typescript
MongoDB
NestJs

Average response time: 1 hour

About Roman

Over eight years of experience in backend development with proficiency in Node.js. I have experience of splitting monoliths into microservices, designing APIs for 10k RPS load, and building payments and ledger systems from scratch. Led a cross-functional team in launching projects for millions of users.
Banking and Financial Services
Real Estate
Health and Wellness

  • English

    Native or bilingual

  • Spanish

    Conversational

Remote only
Primarily works remotely

Experience

  • Cohab LTD,
    Backend Engineer
    March 2024 - Today (2 years and 3 months)
    London, UK
    Architected and delivered a full PropTech self-management platform from the ground up—including billing ledger, Direct Debit rent collection (PaySuite/Stripe), KYC flows (Veriff, Vouch), and tenant application management—using Node.js, NestJS, TypeScript, PostgreSQL, Redis, and Jest.
  • FitGrowth SL,
    Backend Engineer
    May 2022 - March 2024 (1 year and 10 months)
    Valencia, Spain
    Spearheaded a SaaS for personal trainers: designed and deployed multi-tier APIs for client and trainer portals, integrated Stripe for subscription and usage billing, built a media pipeline (S3 + FFmpeg) for workout videos, and collaborated with product design to formalize requirements.
  • LaVenta.ai, Premier.one, SMM course
    Independent Contractor, Software engineer and IT consultant
    February 2021 - May 2022 (1 year and 3 months)
    Delivered end-to-end solutions for startups and international clients: standardized development workflows, recruited a CTO for an ML venture, launched a high-traffic online course platform, and built a Binance-based trading system with real-time signals and SL tactics.
Check out Roman's experience

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Education

  • Bachelor's degree in Business-Informatics
    Higher School of Economics
    2019
  • Agile Methodologies, international practice
    Hogeschool Rotterdam
    2017

Skill set

Backend Service Development
Software Architecture
Performance Optimization
CI/CD Management
Microservices Architecture

Categories