filippov.au

Product Engineering · Fintech · Leadership

Tech lead with 18+ years building web products.

From early PHP systems to Ruby on Rails fintech platforms, focused on pragmatic architecture, team mentorship, and full-stack delivery.

Melbourne, Australia

Experience & Competencies

I have commercial experience with:

  • Ruby
  • Ruby on Rails
  • JavaScript
  • TypeScript
  • Vue
  • React
  • NestJS
  • Elixir
  • Phoenix
  • Dart
  • Flutter
  • PHP
  • Laravel
  • PostgreSQL
  • Elasticsearch
  • Kubernetes

Sep 2021 - Jan 2026 · 4 yrs 5 mos

Tech Lead

Codex Optimus · Full-time

Led the technical and business delivery of the B2B sector for a new digital bank (Yangi.uz), building the platform from the ground up.

  • Architected and developed the integration layer connecting the platform to the Core Banking System.
  • Built key B2B features including robust authentication, client dashboard, payment orders, e-signature processing, card system integrations, and payroll structures.
  • Collaborated closely with stakeholders to align technical architecture with business goals.
  • Stepped in to lead frontend development for a year (TypeScript/Vue.js) to ensure full-stack alignment.
  • Mentored engineers, drove architecture decisions, and established engineering best practices.
  • Ruby on Rails
  • Vue.js
  • TypeScript
  • NestJS
  • Ruby
  • Kubernetes

Apr 2016 - Sep 2021 · 5 yrs 6 mos

Senior Software Developer

DevMasterz · Full-time

Core developer for ePayService (epayservices.com), a European payment system. Focused on complex fintech integrations, security, and payment processing.

  • Maintained and expanded the core payment infrastructure, integrating with Mastercard, wire transfers, and Centrolink.
  • Ensured strict adherence to PCI-DSS compliance standards.
  • Delivered additional projects across varied stacks, including Elixir/Phoenix, Dart/Flutter, and Node.js.
  • Ruby
  • Ruby on Rails
  • Fintech
  • PCI-DSS
  • Elixir
  • Phoenix
  • Node.js
  • Dart
  • Flutter

Oct 2012 - Apr 2016 · 3 yrs 7 mos

Full Stack Web Developer

Freelance

Built and shipped web platforms across healthcare, advertising, and custom software projects.

  • Built one of the largest medical tourism portals for Israel from scratch using Ruby on Rails.
  • Developed and launched an ad network from scratch as a solo full-stack developer using PHP.
  • Contributed to many smaller projects.
  • Ruby on Rails
  • JS
  • React
  • Elasticsearch
  • PostgreSQL
  • PHP
  • Laravel
  • MySQL

Jul 2013 - Dec 2013 · 6 mos

Team Lead

CREATE DIGITAL LLC

Led delivery of two major projects during a focused product development period.

  • Maintained and enhanced one of the largest e-commerce platforms for photography equipment in Russia.
  • Built a leading interior design online magazine and furniture marketplace.
  • Team leadership
  • Project delivery
  • Ruby on Rails
  • React

Oct 2010 - Oct 2012 · 2 yrs 1 mo

Chief Technical Officer

Create

Early adopter of Ruby. Hired a team, technically trained them, and transitioned the stack to Ruby. Created promo sites for international brands and large-scale web platforms.

  • Ruby
  • Ruby on Rails
  • Technical strategy
  • Engineering leadership

2009 - 2010 · 1 yr

Full Stack Developer

am.ru

Contributed to one of the largest automotive marketplaces in Europe.

  • PHP
  • MySQL
  • JavaScript