Description

Alexey Chentsov is an accomplished Full-Stack Developer, Tech Lead, and Architect with over 15 years of experience in software development. He has a proven track record of leading and delivering complex projects across various industries, including finance, energy, and security systems. Based in Munich, Germany, Alexey has demonstrated expertise in system architecture, full-stack development, and DevOps, consistently driving improvements in code quality, system efficiency, and team productivity. His technical skill set spans a wide array of programming languages and frameworks, including Java, TypeScript, and React, along with cloud platforms like Azure and AWS. Alexey's leadership has led to significant enhancements in project outcomes, with proven success in managing and mentoring development teams.

Languages

English
Native or bilingual
Russian
Native or bilingual
German
Conversational

Workplace preferences

Can work on-site

München (up to 50km)

Plug & Plai
Tech Lead (Part time)
TELECOMMUNICATIONS
September 2024 - June 2025 (9 months)
Munich, Germany
Greenfield startup initiative focused on hands‑on solution architecture, technical leadership, and end‑to‑end product development in Conversational/Generative AI.

Part‑time contribution in the early phase of a real‑time voice & chatbot platform leveraging Large Language Models (LLMs), VoIP integration, and cloud‑native microservices to deliver an innovative user experience. Worked in an agile setup emphasizing rapid iteration and system scalability.

System & Cloud Architecture: Designed the full stack (frontend, backend, DevOps/cloud) with a focus on scalability, high availability, and real‑time communication.
Technical Leadership: Led a small cross‑functional team; introduced agile best practices, CI/CD pipelines, and developer‑friendly tooling.
AI Integration: Implemented RAG‑based conversational flows; integrated STT/TTS, NLP, and LLM APIs for multi‑channel interactions.
Technology Strategy: Evaluated and selected the tech stack (Nest.js, Vue.js, Postgres, VectorDB, Fly.io), balancing time‑to‑market, scalability, and cost.
Deployment & Operations: Built automated deployments and Infrastructure as Code (IaC) for Fly.io; established monitoring and continuous optimization.
Used technologies:
Nest.js • Vue.js • OpenAI • Generative AI • Large Language Models (LLM) • RAG • VoIP • WebRTC • Twilio • Postgres • VectorDB • CI/CD • Docker • Fly.io • GitHub • Agile
NestJs Vue.js OpenAI PostgreSQL Docker
ING De
Senior Java Developer
BANKING AND INSURANCE
September 2024 - June 2025 (9 months)
Munich, Germany
Integration of a Newly Acquired System into ING Deutschland's Corporate Banking Platform
Worked as a Senior Java Developer on a strategic initiative at ING Deutschland to integrate a newly acquired system into the existing corporate banking infrastructure. The project was executed in a Scrum environment, with a strong focus on end-to-end feature delivery. My key responsibilities included:

Feature Development & Planning: Participated in technical discussions and sprint planning to shape and implement new features aligned with business requirements.
End-to-End Delivery: Took full ownership of the delivery pipeline — from implementation and testing to production deployment and post-release support.
Incident Resolution: Actively handled incident investigations and applied fixes to ensure system stability and reliability in production.
The project leveraged modern technologies such as Java 21, Spring Framework, and OpenShift within a service-oriented architecture. Tooling and CI/CD processes were supported by Azure DevOps, and the system relied on Kafka for asynchronous communication.

Used technologies:
Java • Spring • OpenShift • Kafka • Azure • Postgres • Azure DevOps • CI/CD
Java Spring PostgreSQL Microsoft Azure Apache Kafka
Devexperts
Team Lead
BANKING AND INSURANCE
March 2024 - August 2024 (5 months)
Munich, Germany
US-based Finance Project in Investments
Involved as a team lead in a major project for a US-based company in the finance and investments sector, focusing entirely on front-end development. My key contributions included:

System Design: Designed the core functionality of the system, ensuring a robust and scalable architecture.
DevOps & Deployment Support: Provided DevOps support and managed deployment processes to ensure smooth and efficient releases.
Code Review & Implementation: Conducted code reviews and implemented features for both web (React) and mobile (React-Native) applications.
The project was successful and delivered within budget.

Used technologies:
Javascript • Typescript • React • React Native • GraphQL • Azure • Postgres • Azure DevOps • CI/CD
Typescript React.js React Native GraphQL Microsoft Azure