Our Talent - Codexio | Hire AI-Ready Engineers

G

George

Frontend Engineer

Senior 7 years On request

Available now

Languages

English · B2 Bulgarian · Native Russian · B1

Education

BSc in Software Engineering

Tech Stack

Angular TypeScript RxJS NgRx Nx Tailwind CSS Kendo UI Cypress Playwright Jest React React Native

Industry Experience

Energy Retail Healthcare

Career Highlights

Architected scalable Angular solutions with standalone components, signals, and reusable design systems
Led and mentored distributed teams of up to 11 developers across 4 countries
Designed and implemented E2E testing architecture achieving 85%+ code coverage with Cypress and Playwright
Drove performance optimizations reducing initial load times by 40% through lazy loading and bundle optimization

Project History

Energy Company Frontend Platform

Energy · Senior Frontend Developer · 4 months

Architected scalable Angular 17+ frontend with standalone components, signals, and reusable component library.

Angular TypeScript RxJS NgRx Nx Tailwind CSS

Large-scale Retail Operations Platform

Retail · Senior Developer · 28 months

Delivered high-impact features and owned frontend testing architecture and performance optimization.

Angular React TypeScript Cypress Playwright Jest

Mission-critical Healthcare Platform

Healthcare · Senior Frontend Developer & Team Lead · 9 months

Led team of 6 building healthcare platform with Angular and Kendo UI data visualization dashboards.

Angular TypeScript RxJS NgRx Kendo UI Jest Cypress

V

Villy

Frontend Engineer

Senior 6 years On request

Available now

Languages

English · C1 Bulgarian · Native

Education

BSc in Computer Science

Tech Stack

Angular Ionic TypeScript React React Native Material UI SCSS Jest Figma NgRx

Industry Experience

eMobility FinTech Energy

Career Highlights

Built real-time FinTech dashboards with Angular and Ionic for responsive, accessible UI and live data
Delivered cross-platform mobile apps with Ionic and Angular, performant and user-friendly
Integrated third-party SDKs and crafted intuitive interaction patterns with NgRx and Angular forms

Project History

Urban Mobility Real-time Transport App

eMobility · Senior Frontend Developer · 14 months

Designed and developed in-app news feed and discussion system for real-time public transport platform; responsive UI in React Native.

React Native TypeScript SCSS

Enterprise Trade Finance Platform

FinTech · Frontend Developer · 30 months

Built trade finance platform with NgxSchemaForm widgets, NgRx state, and SignalR for live notifications.

Angular TypeScript Kendo UI NgRx

Energy Sector Web & Mobile Apps

Energy · Frontend Developer · 24 months

Built web and hybrid mobile applications with Angular and Ionic; custom Material UI themes for international energy client.

Angular React Ionic TypeScript Material UI Jest

P

Pete

Backend Architect

Senior 10 years On request

Available now

Languages

English · C1 Bulgarian · Native

Education

MSc in Computer Science

Tech Stack

Java Spring Boot Kotlin Kafka PostgreSQL Redis Docker AWS

Industry Experience

FinTech iGaming

Career Highlights

Architected payment processing platform handling 2M+ transactions daily with 99.99% uptime
Designed event-driven betting engine for iGaming serving 500K+ concurrent users
Led migration of monolith to microservices with zero-downtime blue-green deployments

Project History

Payment Processing Platform

FinTech · Tech Lead · 24 months

Built and scaled real-time payment processing infrastructure for a pan-European fintech. Event-driven design with Kafka; idempotent APIs and exactly-once semantics.

Java Spring Boot Kafka PostgreSQL Redis

Sports Betting Backend

iGaming · Backend Architect · 18 months

Designed and delivered core betting engine, odds calculation services, and wallet integrations for a licensed iGaming operator.

Java Kotlin Kafka PostgreSQL Docker AWS

C

Chris

Backend Engineer

Senior 8 years On request

Available in 2 weeks

Languages

English · C1 Bulgarian · Native

Education

MSc in Software Engineering

Tech Stack

Kotlin Spring Boot PostgreSQL Redis Docker Kafka Java

Industry Experience

AI FinTech

Career Highlights

Built AI-powered credit scoring engine processing 100K+ applications daily with sub-second latency
Designed algorithmic trading service with event sourcing and CQRS on Kotlin and Spring
Reduced fraud detection false positives by 35% through model-serving pipeline optimization

Project History

AI-Powered Credit Scoring Engine

AI · Senior Backend Developer · 16 months

Developed real-time credit decisioning API integrating ML models; ensured auditability and regulatory compliance.

Kotlin Spring Boot PostgreSQL Redis Kafka

Algorithmic Trading Service

FinTech · Backend Engineer · 12 months

Implemented order management and execution services for quantitative trading; low-latency design with Redis and Kafka.

Kotlin Java Spring Boot PostgreSQL Docker

E

Eddie

Full-Stack Developer

Mid 5 years On request

Available now

Languages

English · B2 Bulgarian · Native

Education

BSc in Computer Science

Tech Stack

React Node.js Nest.js TypeScript MongoDB Redis Docker

Industry Experience

eCommerce Marketing

Career Highlights

Delivered eCommerce marketplace rebuild with headless CMS and custom checkout; 40% conversion uplift
Built marketing automation platform with campaign builder and analytics; 2M+ emails/month
Introduced Nest.js and shared TypeScript models across frontend and backend, cutting bugs by 25%

Project History

eCommerce Marketplace Rebuild

eCommerce · Full-Stack Developer · 14 months

Rebuilt product catalog, search, and checkout; integrated payment and shipping providers; responsive and accessible UI.

React Node.js Nest.js TypeScript MongoDB

Marketing Automation Platform

Marketing · Full-Stack Developer · 10 months

Built campaign builder, audience segmentation, and email/sms delivery pipeline with analytics dashboard.

React Nest.js TypeScript Redis Docker

N

Niki

Frontend Developer

Mid 4 years On request

Available now

Languages

English · B2 Bulgarian · Native

Education

BSc in Software Engineering

Tech Stack

Angular Ionic TypeScript SCSS RxJS Jest

Industry Experience

Marketing eCommerce

Career Highlights

Built marketing campaign builder used by 50+ brands with drag-and-drop flows and A/B testing
Delivered mobile commerce app with Ionic and Angular; 4.8 App Store rating
Improved Core Web Vitals by 50% on key landing pages through lazy loading and code splitting

Project History

Marketing Campaign Builder

Marketing · Frontend Developer · 12 months

Designed and implemented campaign creation UI with drag-and-drop, templates, and real-time preview.

Angular TypeScript SCSS RxJS

Mobile Commerce App

eCommerce · Frontend Developer · 10 months

Built cross-platform shopping app with product catalog, cart, and push notifications; PWA and native builds.

Angular Ionic TypeScript Jest

M

Martin

Backend Architect

Lead 14 years On request

Available in 1 month

Languages

English · C2 Bulgarian · Native

Education

PhD in Computer Science

Tech Stack

Java Kotlin Kafka Spring Boot Kubernetes AWS PostgreSQL Docker Terraform

Industry Experience

iGaming FinTech

Career Highlights

Architected iGaming platform serving 10M+ concurrent users with sub-100ms p99 latency
Led distributed team of 15 engineers; designed multi-tenant core banking microservices
Defined event-driven standards and platform SDKs adopted across 20+ services

Project History

High-load iGaming Platform

iGaming · Technical Architect · 30 months

Designed and evolved real-time betting and gaming platform; fault-tolerant, globally distributed; compliance with MGA and UKGC.

Java Kotlin Kafka Kubernetes AWS

Core Banking Microservices

FinTech · Lead Engineer · 18 months

Led design of account, ledger, and payment microservices; event sourcing and CQRS; PCI-DSS and PSD2 alignment.

Java Spring Boot Kafka PostgreSQL Docker Terraform

D

Desi

Frontend Developer

Mid 4 years On request

Available now

Languages

English · C1 Bulgarian · Native

Education

MSc in Human-Computer Interaction

Tech Stack

Angular React TypeScript Tailwind CSS Jest Figma

Industry Experience

AI Marketing

Career Highlights

Built AI analytics dashboard visualizing model performance and drift for data science teams
Delivered marketing reporting UI with real-time metrics and export; used by 200+ marketers
Established design system and Storybook; reduced UI bugs by 30%

Project History

AI Analytics Dashboard

AI · Frontend Developer · 12 months

Designed and implemented dashboards for ML model monitoring, A/B test results, and feature importance; real-time updates.

Angular TypeScript Tailwind CSS Jest

Marketing Reporting UI

Marketing · Frontend Developer · 10 months

Built reporting and campaign analytics UI with filters, charts, and CSV/PDF export; responsive and accessible.

React TypeScript Tailwind CSS Figma

V

Viktor

Backend Engineer

Senior 11 years On request

Available in 2 weeks

Languages

English · C1 Bulgarian · Native

Education

MSc in Computer Science

Tech Stack

Java Spring Boot PostgreSQL Redis Kafka Docker AWS

Industry Experience

FinTech iGaming

Career Highlights

Built stock trading platform with real-time order book and FIX integration; 50K orders/sec
Designed iGaming wallet system with multi-currency, bonuses, and audit trail; PCI-compliant
Mentored 6 backend developers; introduced Kafka and event-driven patterns across 3 teams

Project History

Stock Trading Platform

FinTech · Senior Backend Developer · 22 months

Developed order management, matching engine integration, and market data pipelines; low-latency and fault-tolerant.

Java Spring Boot Kafka PostgreSQL Redis

iGaming Wallet System

iGaming · Backend Engineer · 14 months

Implemented wallet service with deposits, withdrawals, bonuses, and full audit logging; integrated with KYC and payment providers.

Java Spring Boot PostgreSQL Redis Docker AWS

A

Alex

Frontend Developer

Junior 2 years On request

Available now

Languages

English · B2 Bulgarian · Native

Education

BSc in Software Engineering

Tech Stack

Angular TypeScript Node.js Jest Tailwind CSS

Industry Experience

eCommerce Marketing

Career Highlights

Built eCommerce product catalog frontend with filters, search, and responsive layout
Delivered landing page builder used by marketing for campaigns; 20+ templates
Maintained 80%+ test coverage with Jest and Angular Testing Library

Project History

eCommerce Product Catalog Frontend

eCommerce · Frontend Developer · 8 months

Implemented product listing, filters, search, and detail pages; integrated with headless CMS and design system.

Angular TypeScript Tailwind CSS Jest

Landing Page Builder

Marketing · Frontend Developer · 6 months

Built drag-and-drop landing page builder with templates and preview; used by internal marketing team.

Angular TypeScript Node.js

A

Andriy

Full-Stack Engineer

Senior 9 years On request

Available now

Languages

English · C1 Ukrainian · Native

Education

MSc in Computer Science

Tech Stack

Angular Nest.js TypeScript Node.js PostgreSQL Redis Docker

Industry Experience

iGaming eCommerce

Career Highlights

Built real-time betting platform frontend and backend with WebSockets and event-driven APIs
Delivered eCommerce product configurator with complex rules and pricing; 30% uplift in config completion
Led full-stack team of 5; established shared TypeScript and API contracts

Project History

Real-time Betting Platform

iGaming · Full-Stack Engineer · 20 months

Designed and built live betting UI and backend; odds updates via WebSockets; wallet and KYC integration.

Angular Nest.js TypeScript PostgreSQL Redis

eCommerce Product Configurator

eCommerce · Senior Full-Stack Developer · 12 months

Built configurator with rules engine, pricing, and inventory; integrated with ERP and PIM.

Angular Nest.js TypeScript Node.js PostgreSQL Docker

D

Dmytro

DevOps & Backend Engineer

Senior 8 years On request

Available in 1 month

Languages

English · C1 Ukrainian · Native

Education

BSc in Information Technology

Tech Stack

Java Docker Kubernetes AWS Terraform Jenkins PostgreSQL Kafka

Industry Experience

iGaming FinTech

Career Highlights

Built iGaming cloud infrastructure on AWS with zero-downtime deployments; 99.99% SLA
Designed FinTech CI/CD pipeline with security scanning and compliance gates; 50+ services
Reduced cloud spend by 35% through rightsizing and spot instances

Project History

iGaming Cloud Infrastructure

iGaming · DevOps Engineer · 18 months

Designed and operated EKS-based platform for gaming and wallet services; multi-region; monitoring and alerting.

AWS Docker Kubernetes Terraform Jenkins

FinTech CI/CD Pipeline

FinTech · Senior DevOps Engineer · 14 months

Implemented CI/CD with automated testing, security scanning, and compliance checks; supported 50+ microservices.

Java Docker Kubernetes AWS Terraform PostgreSQL Kafka

O

Olena

Frontend Developer

Mid 5 years On request

Available in 2 weeks

Languages

English · C1 Ukrainian · Native

Education

BSc in Software Engineering

Tech Stack

React Angular TypeScript Tailwind CSS Figma Jest

Industry Experience

Marketing AI

Career Highlights

Built marketing analytics dashboard with real-time charts and cohort analysis; 300+ active users
Delivered AI content management platform UI for labeling and model feedback; reduced cycle time by 40%
Led frontend accessibility initiative; WCAG 2.1 AA on 3 products

Project History

Marketing Analytics Dashboard

Marketing · Frontend Developer · 14 months

Designed and implemented analytics UI with dashboards, filters, and export; integrated with analytics API.

React TypeScript Tailwind CSS Figma Jest

AI Content Management Platform

AI · Frontend Developer · 10 months

Built UI for data labeling, model feedback, and experiment tracking; used by ML and product teams.

Angular React TypeScript Tailwind CSS

M

Max

Backend Engineer

Senior 9 years On request

Available now

Languages

English · C2 German · Native

Education

MSc in Computer Science

Tech Stack

Java Spring Boot Kotlin PostgreSQL AWS Docker Redis

Industry Experience

FinTech eCommerce

Career Highlights

Built banking API gateway with PSD2 compliance; 100+ third-party integrations
Designed eCommerce order management system handling 500K orders/day; event-driven and scalable
Introduced Kotlin and coroutines; reduced boilerplate and improved throughput by 20%

Project History

Banking API Gateway (PSD2)

FinTech · Senior Backend Developer · 20 months

Implemented PSD2-compliant API gateway for account information and payment initiation; security and audit logging.

Java Spring Boot PostgreSQL AWS Docker

eCommerce Order Management System

eCommerce · Backend Engineer · 14 months

Built order lifecycle service with events, idempotency, and integrations to warehouse and payments.

Java Kotlin Spring Boot PostgreSQL Redis Kafka

F

Felix

Full-Stack Developer

Mid 3 years On request

Available now

Languages

English · C1 German · Native

Education

BSc in Software Engineering

Tech Stack

React Node.js Nest.js TypeScript MongoDB Redis Docker

Industry Experience

AI Marketing

Career Highlights

Built AI-powered content recommendation engine; 25% increase in engagement
Delivered marketing SaaS dashboard with campaign management and analytics; 50+ B2B customers
Established API-first design with OpenAPI and shared TypeScript SDK

Project History

AI-Powered Content Recommendation Engine

AI · Full-Stack Developer · 12 months

Implemented recommendation API and admin UI; integrated ML service; A/B testing and metrics.

React Nest.js TypeScript MongoDB Redis

Marketing SaaS Dashboard

Marketing · Full-Stack Developer · 8 months

Built campaign management, audience segments, and analytics dashboard for B2B marketing platform.

React Node.js Nest.js TypeScript Docker

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George

Villy

Pete

Chris

Eddie

Niki

Martin

Desi

Viktor

Alex

Andriy

Dmytro

Olena

Max

Felix

Not sure where to start?

George

Languages

Education

Tech Stack

Industry Experience

Career Highlights

Project History

Energy Company Frontend Platform

Large-scale Retail Operations Platform

Mission-critical Healthcare Platform

Villy

Languages

Education

Tech Stack

Industry Experience

Career Highlights

Project History

Urban Mobility Real-time Transport App

Enterprise Trade Finance Platform

Energy Sector Web & Mobile Apps

Pete

Languages

Education

Tech Stack

Industry Experience

Career Highlights

Project History

Payment Processing Platform

Sports Betting Backend

Chris

Languages

Education

Tech Stack

Industry Experience

Career Highlights

Project History

AI-Powered Credit Scoring Engine

Algorithmic Trading Service

Eddie

Languages

Education

Tech Stack

Industry Experience

Career Highlights

Project History

eCommerce Marketplace Rebuild

Marketing Automation Platform

Niki

Languages

Education