Hüseyin Korkut

Senior Full-Stack Engineer

Bad Grund, Germany

Experience

Apr 2024 - Dec 2024
9 months

Senior Full-Stack Engineer

DVAG

  • Designed and built a digital signing flow to manage securities contracts within the DVAG infrastructure

  • Goal: max usability, modular extensibility, and compliance-safe handling of sensitive data

  • Frontend (Angular 18 + SignalStore)

  • Built a reactive UI structure focused on user guidance & accessibility

  • Dynamic control of form and signing steps including validation logic

  • Reactive state management with SignalStore (signals + selective effects)

  • UX tweaks with adaptive components and Playwright-based UI tests

  • Backend (Spring Boot + Kotlin)

  • Broke backend into modules to connect existing sales and contract logic

  • API stability and DTO design following Clean Architecture

  • Worked with domain teams to define technical contracts and service boundaries

  • Testing & QA

  • Unit tests with Jest and E2E tests with Playwright

  • Code reviews and CI-run tests

  • Iterative refactorings ensuring high coverage and UI stability

Feb 2024 - Present
1 year 6 months

Senior Full-Stack Engineer

HDI

  • Designed and built a modular full-stack platform for digital processing of property insurance workflows

  • Focus on performance, clean code, accessible UX (WCAG 2.1), and process-driven implementation with Camunda BPMN and microservices on Kubernetes

  • Frontend (Angular 17)

  • Created a scalable Angular setup with Tailwind & Angular Material

  • Accessible UI components (screen reader support, ARIA roles, keyboard nav, contrast)

  • Applied WCAG 2.1 Level AA with axe-core & Lighthouse tests

  • State management with RxJS and REST API integration

  • Refactored legacy components and automated UI tests with Jasmine & accessibility regression with Cypress

  • Backend (Spring Boot & Camunda)

  • Built REST microservices with OpenAPI docs

  • Modeled business processes & tasks with Camunda BPMN 2.0

  • DB access via Spring Data (JPA), structured error handling, DTO mapping

  • Cloud Native & DevOps

  • Deployed microservices on Kubernetes with service management & health checks

  • CI/CD via GitHub Actions with lint, test & deploy pipelines

  • Secured by containerization with Docker and secrets handling

  • Collaboration & QA

  • Code reviews, architecture decisions, agile delivery in Scrum

  • Docs & story tracking in GitHub and Confluence

Aug 2023 - Feb 2025
1 year 7 months

Senior Full-Stack Engineer (Angular Lead)

Atruvia AG

  • Built a strategic web platform for digital asset optimization for banking clients

  • Visualized complex financial data with Highcharts

  • High-performance, scalable Angular setup using SignalStore, NgRx, and the Atruvia Design System

  • Frontend (Angular 17 + SignalStore)

  • Developed interactive UI components and integrated Highcharts for dynamic portfolio views

  • Set up reactive state management with SignalStore and NgRx

  • Optimized component structure, change detection, and responsiveness

  • Ensured UI consistency via the Atruvia Design System (Angular Material, Tailwind, Bootstrap UI)

  • Testing & Quality

  • Test strategy with Jasmine, Cypress, and Playwright including visual regression and E2E

  • Refactored components focusing on performance & readability

  • Pair programming & code reviews supported by automated lint pipelines

  • API Integration & DevOps

  • Collaborated with backend teams on REST API integration

  • GitHub based version control and CI/CD setup

  • Used Docker & Kubernetes and managed Azure environments (staging, production)

Jun 2023 - Jan 2024
8 months

Full-Stack Engineer

DB Fernverkehr AG

  • Enhanced and migrated a strategic dashboard app for KPI visualization, control, and analysis in long-distance rail

  • Integrated into Deutsche Bahn’s AWS landscape and linked to automated processes via BPMN/Camunda

  • Frontend (Angular 14–17)

  • Migrated to Angular 17 with signal integration and Tailwind redesign

  • Built modular components with RxJS & Angular Material

  • Responsive design, theming (dark mode), and Tableau embedding

  • Automated UI tests with askui

  • Backend (Java 17, Spring Boot)

  • Developed scalable REST microservices using Clean Architecture

  • DTO mapping with MapStruct, validation (JSR-380), global exception handling

  • OAuth2/JWT auth and Camunda integration via REST for process automation

  • DynamoDB: dynamic queries, secondary indexes, TTL

  • Logging with SLF4J/Logback

  • DevOps & QA

  • Containerization & deployment via Docker/Kubernetes on AWS EC2

  • Tests: unit (JUnit 5), integration (MockMVC, Testcontainers), E2E (Jest, Jasmine)

  • CI/CD pipelines & PR management with GitHub

Sep 2022 - Jun 2023
10 months

Full-Stack Engineer (Angular Focus)

Endress+Hauser

  • Built an Angular app for selecting, configuring, and documenting measurement devices for global industrial users

  • Integrated into existing REST infrastructure and improved UI/UX using reactive architecture

  • Frontend (Angular 14, Nx Monorepo)

  • Modularized Angular components focusing on reuse, performance, and maintainability

  • Responsive UI with custom styling and a consistent design system

  • State Management & Backend Integration

  • Implemented reactive state with NgRx

  • Used REST interfaces for dynamic data

  • Testing & Team Processes

  • QA via unit tests with Jasmine & Jest

  • Code reviews via pull requests and Git version control

  • Story handling, QA sign-offs, and sprint planning in Jira under Scrum

Feb 2022 - Apr 2023
1 year 3 months

Senior Full-Stack Engineer

CBC Cologne Broadcasting Center GmbH

  • Evolved a cloud content platform for dynamic, personalized video delivery on scalable AWS infrastructure

  • Focus on performance, modularity, testability, and event-driven communication

  • Frontend (Angular 15, Nx Monorepo)

  • Modular UI components with Angular, RxJS, and NgRx

  • Used Nx build system for workspace management and code sharing in a monorepo

  • Backend (Spring Boot, Kotlin, Kafka)

  • Built microservices with Spring Boot & Kotlin

  • Event streaming with Apache Kafka and REST API design with DTO mapping

  • DevOps & Testing

  • Containerized CI/CD workflows with Maven & Git

  • E2E and integration tests with Cypress, Jest & Jasmine

  • Integrated into AWS infra and collaborated with DevOps team

Jan 2022 - Dec 2025
4 years

AI Agent – Autonomous Task Agent with LLM

Privat

  • Automated structured tasks via GPT-4 in an API-first architecture

  • Tech stack: Python 3.11, FastAPI, LangChain, GPT-4, PostgreSQL, JSONMemory, APScheduler, Docker, GitHub Actions

  • NLU for task planning and autonomous execution

  • API calls, file system, calendar, email, and codegen

  • Persistent contexts and dynamic plugins

  • Optional Flask UI and REST-first architecture

Jan 2022 - Dec 2025
4 years

CryptoBot – Autonomous Trading Bot for BTC & Altcoins

Privat

  • Live trading with real-time data, risk management, alerts, SL/TP, and CRV backtests

  • Tech stack: Python 3.11, FastAPI, Flask, SQLite/PostgreSQL, ccxt, TA-Lib, WebSocket, Telegram, Docker, GitHub Actions

  • Grid strategy and live price stream (order book/trades)

  • Angular dashboard with Highcharts

  • Paper and live trading engine with modular architecture

Jan 2022 - Dec 2025
4 years

SignalBot – AI-Based Stock Analysis Bot

Privat

  • Generated long/short/hold signals for over 1000 stocks (DAX, S&P 500, Nasdaq) using technical indicators and ML forecasts

  • Tech stack: Python 3.11, FastAPI, Dash, PostgreSQL, TA-Lib, scikit-learn, LightGBM, XGBoost, Plotly, APScheduler, Docker, GitHub Actions

  • Signal weighting (RSI, MACD, CRV, momentum)

  • ML forecasts on 5/10/20d returns

  • Backtests and score rankings with CSV/PDF export

  • Modular logging, .env, and staging-ready

Jul 2021 - Jun 2022
1 year

Senior Full-Stack Engineer

Generali

  • Built a modern customer portal focusing on security (OAuth2/SSO), performance, and cloud-ready design

  • Made a responsive web app with state-driven design, Keycloak integration, and full-stack AWS connectivity

  • Frontend (Angular 13, NGXS/NGRX)

  • Modular reactive UI components and fast styling with Tailwind

  • Integrated Ionic components for mobile optimization

  • Backend / APIs

  • Connected REST APIs with OpenAPI docs

  • Auth & SSO via Keycloak and state sync

  • DevOps & Testing

  • Test automation with Cypress & Jasmine

  • Containerization with Docker and AWS deployment

  • Git workflow with PR handling and Jira story tracking

Jul 2021 - Mar 2022
9 months

Senior Full-Stack Engineer

Berenberg

  • Built a digital platform for wealth management and advisory focusing on performance, security, and modular full-stack design

  • Frontend (Angular 12+, Tailwind)

  • Developed reactive UI components with Angular, RxJS, and Tailwind

  • Focus on UX, responsive design, and maintainable component structure

  • Backend (Spring Boot, OAuth2)

  • Created secure REST APIs with Spring Boot and OAuth2 via Keycloak and Azure AD

  • Validation, DTO mapping, error handling, and Swagger docs

  • DevOps & Testing

  • Containerization with Docker and Kubernetes deployment

  • CI/CD integration, test coverage with Jest, and Git PR process

Aug 2012 - Jul 2021
9 years

Lead Full-Stack Engineer · Angular Migration Architect · Enterprise Solution Developer

Self-Employed

  • Consulting and development for clients like Zurich Insurance, Hannover Re, Better Mobility, Brückner Maschinenbau, Dentsply Sirona, GÖRLITZ AG, Roche Diagnostics, Aldi, Ottogroup, DB Systel, dm-drogerie markt, contentteam AG, GNS Nuklear-Service, Uniper, Appgenco, HO2

  • Frontend: Migrated from AngularJS to modern Angular (up to v13), Angular Elements, TypeScript, JavaScript, SAP UI5 and Fiori

  • Backend & APIs: Java (Spring Boot), Kotlin, Node.js (Express), Python, C# (.NET Core), REST, GraphQL, Kafka, RabbitMQ, microservices

  • Cloud & Auth: AWS, Azure, Docker, Kubernetes, OAuth2, OpenID, Keycloak

  • State Management: RxJS, NgRx, NGXS

  • Testing & QA: Cypress, Jest, Jasmine, Karma, Testcontainers

  • SAP Stack: SAP PI/PO, ECC, BPM, Gateway, OData

  • CI/CD & DevOps: GitHub, GitLab, Jenkins, Azure DevOps, Maven, Webpack

  • Highlights:

  • Architect responsibility on migrations from legacy apps to modern Angular stacks

  • Built critical platforms (applicant management, auth/upload systems, control UIs)

  • SAP integration and BPMN workflows

  • Set up automated build and deployment in hybrid infra

  • Tech leadership, mentoring, and architecture consulting

Summary

I’m a Full-Stack Engineer building scalable web apps, APIs, and cloud architectures. I focus on Angular architectures, Spring Boot backends, cloud-native deployments, and automated data flows with Python & AI. I work solution-oriented, think in systems, and deliver stable, maintainable software with quality, scalability, and clear code in mind.

Core Focus:

  • Frontend: High-End Angular (up to v19), RxJS, SignalStore, Clean Code, Nx
  • Backend: Spring Boot, Java/Kotlin, NestJS/Node.js, Python (FastAPI, Flask)
  • Cloud-Native: Docker, Kubernetes, Azure, AWS, CI/CD, Helm, Terraform
  • AI & Automation: Trading bots, ML models, OpenAI, ccxt
  • Quality: Jest, Playwright, Cypress, TDD, Clean Architecture
  • Lead & Architecture: Review culture, delegation, scalable system design

My mission: I write code that not only works but stays stable under load, stays maintainable, and is clear for the team. I focus on quality, performance, and clear architecture so solutions last.

Languages

German
Native
English
Advanced

Certifications & licenses

MCSD (Developing ASP.NET MVC Web Applications)

MCP (Developing Microsoft Azure and Web Services)

MS (Programming in HTML5 with JavaScript and CSS3)

Need a freelancer? Find your match in seconds.
Try FRATCH GPT
More actions