devseev

Lead Typescript Developer

About me

15 years in software engineering, with over 10 years in Lead / Principal Engineer and technical leadership roles. Experience working across EU, US, and APAC markets. Led engineering teams (up to 8 engineers) and served as a CTO in an outsourcing environment.

Key results

  • Accelerated the release cycle from quarterly releases to weekly deployments.
  • Planned and executed complex long-term migrations (1–2 years) without interrupting active product development, significantly reducing technical debt and enabling easier team scaling.
  • Supported 5+ startups as a CTO / Lead Developer β€” from technical validation of ideas and MVP architecture to rapid delivery of initial product versions and participation in preparation for investment rounds.
  • Actively contributed to hiring and scaling engineering teams, mentoring developers and building a strong, sustainable engineering culture.

Skills & expertise

  • Strong experience working with and aligning multicultural teams
  • Mobile development: React Native, Hybrid Mobile Apps, Expo
  • Full-stack development: JavaScript, TypeScript, Node.js
  • System architecture, including migrations from monoliths to modular / microservices architectures
  • Performance optimization & reliability engineering
  • Deep learning

Motivation

I want to join a team working on future-oriented technologies. I’m particularly interested in growing within new domains while applying my technical expertise and leadership skills to build a real, impactful product.


What matters most to me in my next role is working on a real product with real users, where engineering decisions are closely tied to product outcomes. I’m motivated by environments where engineers have ownership, are trusted to shape solutions end-to-end, and can see the direct impact of their work.



Experience: 11 years

Yearly salary: $140,000

Hourly rate: $80

Nationality: πŸ‡ΊπŸ‡¦ Ukraine

Residency: πŸ‡΅πŸ‡Ή Portugal


Experience

Team-Lead
Flo Energy
2020 - 2025
Singapore's largest independent electricity retailer. Worked on creating customer dashboard, payment handling, print, energy certificates issuing and multi-market scaling.
Team-Lead
Firstbird
2017 - 2020
Digital employee referral programs for enterprise companies. Delivered MVP, helped to create and grow inhouse team, mentored developers.

Skills

full-stack
english