Freelancer profile translated to English.

Description

With over 8 years of professional experience in software development and cloud infrastructure, I have led an international team of developers as CTO, built modern microservice architectures, and implemented scalable systems in Google Cloud with Terraform. My focus is on Java Spring, Kubernetes, GitOps, CI/CD with GitLab, as well as the use of AI technologies and tools like Temporal.io. I combine technical know-how with leadership skills and deliver robust, future-proof solutions for demanding projects.

Industry field of expertise

Languages

Bulgarian
Native or bilingual
German
Fluent
English
Fluent

Workplace preferences

Can work on-site

Wien (up to 50km)

TAK Technologies Inc.,
Chief Technology Officer & Co-Founder
BANKING AND INSURANCE
January 2024 - May 2025 (1 year and 4 months)
Wilmington (Delaware), United States
Leading a team consisting of three developers and a UI/UX designer - responsible for software architecture and selection of suitable technologies
Building the infrastructure in Google Cloud using Terraform (GKE cluster, Secret Manager, Cloud Storage, Cloud Run, Pub/Sub, External API Gateway)
MongoDB configuration with multiple environments and peering connection to the Kubernetes cluster
Development and code review of Java-Spring-based microservices and REST APIs
Building GitLab CI/CD pipelines with automated deployment via ArgoCD according to the GitOps principle
Development of AI-based face and palm recognition models
Implementation of Firebase Authentication incl. SMS login in connection with Spring Security
Integration of the payment provider Checkout.com for processing card payments, Apple Pay and stored credit cards
Using Temporal.io for asynchronous HTTP communication between microservices
Conducting sprint reviews in the Scrum process as well as formulating and maintaining user stories
Administrative tasks (creation of employment contracts, payroll, calculation of vacation days)
Java Spring Spring Security Firebase Google Cloud Kubernetes Google Kubernetes Engine (GKE) Gitlab CI/CD Gitlab Terraform Scrum MongoDB Project Management Argo CD Artificial Intelligence (AI) Vertex AI Pytorch TensorFlow
Fincon Reply GmbH,
DevOps Engineer
BANKING AND INSURANCE
May 2022 - June 2023 (1 year and 1 month)
Hamburg, Germany
Creation of a production-ready data migration script from MySQL to PostgreSQL with pgloader
Setting up and managing Kubernetes resources for various application environments
Development of reusable GitLab-CI-pipeline templates for different project types
Maintenance and versioning of Docker images to optimize build and deployment processes
Setting up monitoring and alerting systems with Prometheus and Grafana
Gitlab Kubernetes Helm PostgreSQL MySQL Docker Grafana Prometheus
Fincon Reply GmbH
Java Software Engineer
BANKING AND INSURANCE
September 2021 - May 2022 (8 months)
Hamburg, Germany
Development of a Java-Spring application for online banking
Creation of a RESTful API taking into account modern best practices
Design of a relational data model based on PostgreSQL
Test-driven development (TDD) to ensure code quality and stability
Setting up a GitLab-CI-pipeline
Creation and maintenance of a Helm chart
Java Spring PostgreSQL Gitlab Helm JUnit Docker Scrum