Hüseyin Korkut - Senior Full-Stack Engineer

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Bad Grund, Germany

Experience

Apr 2024 - Dec 2024

9 months

Senior Full-Stack Engineer

DVAG

Architected and implemented a fully digitized closing process for managing securities contracts within DVAG infrastructure. The platform aims for maximum user-friendliness, modular extensibility, and compliance handling of sensitive data.
Implemented a reactive UI structure with focus on user guidance & accessibility.
Dynamic control of form and closing workflows including validation logic.
Reactive state management with SignalStore (signals + selective effects).
UX optimization with adaptive components and Playwright-based UI tests.
Modularized backend to integrate existing sales and contract logic.
API stability and DTO design following Clean Architecture principles.
Collaborated with domain teams to define technical contracts and service boundaries.
Management with GitHub.
Unit tests with Jest, E2E tests with Playwright.
Code reviews, CI-integrated test runs, iterative refactoring.
Ensured high coverage and UI stability in the closing process.
Technologies: Angular 18, RxJS, SignalStore, HTML5, SCSS, Spring Boot, Kotlin, REST, OAuth2, Jest, Playwright, Clean Architecture.

Feb 2024 - Present

2 years

Senior Full-Stack Engineer

HDI

Designed and built a modular full-stack platform for digital handling of property insurance processes. The focus was on performance, clean code, accessible user guidance (WCAG 2.1), and process-oriented implementation with Camunda BPMN and microservices on Kubernetes.
Implemented a scalable Angular architecture with Tailwind & Angular Material.
Built accessibility-compliant UI components (screen reader support, ARIA roles, keyboard navigation, contrast).
Applied WCAG 2.1 Level AA standards (including technical tests with axe-core & Lighthouse).
State management with RxJS, integration of REST-based APIs.
Refactored legacy components to meet accessibility and usability guidelines.
Automated UI testing with Jasmine & accessibility regression with Cypress.
Developed REST microservices with OpenAPI documentation.
Business process modeling & task control with Camunda BPMN 2.0.
Database access via Spring Data (JPA), structured error handling and DTO mapping.
Deployed microservices in Kubernetes cluster (including service management & health checks).
CI/CD via GitHub Actions including automated lint, test & deploy pipelines.
Secured deployments with Docker containerization and secrets handling.
Code reviews, architecture decisions in team, agile delivery in Scrum mode.
Documentation & story management via GitHub + Confluence.
Focus on maintainable, understandable, and accessible codebase (Clean Code + a11y).
Technologies: Angular 17, TypeScript, RxJS, Tailwind, Angular Material, Bootstrap UI, HTML5, CSS, Spring Boot, REST, OpenAPI, Camunda BPMN, Kubernetes, GitHub, Jasmine, Cypress, Axe-Core.

Aug 2023 - Feb 2025

1 year 7 months

Senior Full-Stack Engineer (Angular Lead)

Atruvia AG

Developed a strategic web platform for digital wealth optimization for bank customers. The goal was to visually present complex financial data with Highcharts, combined with a performant, scalable Angular architecture based on SignalStore, NgRx and a unified design system (Atruvia DS).
Built interactive UI components in Angular 17 stack.
Integrated Highcharts for dynamic visualization of portfolios and wealth trends.
Established reactive state management with SignalStore and NgRx.
Optimized component structure, change detection, and UI responsiveness.
Ensured UI consistency using the Atruvia Design System (Angular Material + Tailwind + Bootstrap UI).
Test strategy with Jasmine, Cypress and Playwright – including visual regression and E2E.
Refactored existing components focusing on performance & readability.
Pair programming & code reviews in team – supported by automated linting pipelines.
Collaborated with backend teams for REST interface integration.
GitHub-based version control, CI/CD-enabled structuring.
Deployed build and deployment processes with Docker & Kubernetes.
Used Azure environments in container context (staging, production).
Technologies: Angular 17, TypeScript, RxJS, SignalStore, NgRx, Highcharts, Tailwind, Bootstrap UI, Angular Material, Atruvia Design System, HTML5, CSS, JSON, Spring Boot, GitHub, Jasmine, Cypress, Playwright, Azure, Docker, Kubernetes.

Jun 2023 - Jan 2024

8 months

Full-Stack Developer

DB Fernverkehr AG

Enhanced and migrated a strategic dashboard application for visualization, control, and analysis of long-distance transport KPIs. Integrated into Deutsche Bahn’s AWS ecosystem and tightly connected with automated business processes via BPMN/Camunda.
Migrated to Angular 17 with signal integration and Tailwind redesign.
Developed modular components with RxJS & Angular Material.
Implemented responsive design, theming (dark mode) and integrated Tableau for visualization.
Automated UI tests with askui.
Built scalable REST microservices based on Clean Architecture.
DTO mapping (MapStruct), validation (JSR-380), error handling (GlobalExceptionHandler).
OAuth2/JWT authentication.
Camunda integration via REST for process automation.
DynamoDB: dynamic queries, secondary indexes, TTL.
Logging with SLF4J/Logback.
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.
Technologies: Angular 14–17, TypeScript, RxJS, HTML5, Tailwind CSS, Angular Material, askui, Java 17, Spring Boot 3, Spring Web, Spring Data, Lombok, MapStruct, JSR-380, Camunda BPM, AWS EC2, AWS DynamoDB, Kubernetes, Docker, Jest, Jasmine, JUnit 5, MockMVC, Testcontainers, Git, GitHub, REST, JSON, Tableau.

Sep 2022 - Jun 2023

10 months

Full-Stack Developer (Angular Focus)

Endress+Hauser

Developed an Angular application for selecting, configuring, and documenting technical measuring instruments for international industrial users. Integrated with existing REST infrastructure and optimized UI/UX behavior using reactive architecture principles.
Modularized Angular components in an Nx monorepo focusing on reusability, performance, and long-term maintainability.
Developed responsive UI with custom styling and consistent design system.
Implemented reactive state management via NgRx for consistent sync of UI states and backend API data.
Used REST interfaces for dynamic data delivery.
Ensured quality with unit tests using Jasmine & Jest.
Code review processes via pull requests, version control with Git.
Story management, QA approvals and sprint planning via Jira in Scrum mode.
Technologies: Angular 14, TypeScript, HTML5, CSS, NgRx, Nx Monorepo, REST, JSON, Jasmine, Jest, Git, Jira.

Feb 2022 - Apr 2023

1 year 3 months

Cologne, Germany

Senior Full-Stack Developer

CBC Cologne Broadcasting Center GmbH

Further development of a cloud-based content platform for dynamic delivery of personalized video offerings. Focus on performance, modularity, testability and event-driven communication - integrated into a scalable AWS infrastructure.
Modular build of UI components with Angular, RxJS and NgRx.
Use of the Nx build system for workspace management and code sharing in the monorepo.
Focus on performance, maintainability and clean code.
Implementation of microservices with Spring Boot & Kotlin.
Event streaming with Apache Kafka for communication between systems.
Design of REST APIs, validation, DTO mapping and service-oriented logic.
Containerized CI/CD workflows with Maven & Git.
E2E and integration tests with Cypress, Jest & Jasmine.
Integration into AWS infrastructure and collaboration with the DevOps team for rollout and monitoring.
Technologies: Angular 15, TypeScript, RxJS, NgRx, Nx Monorepo, HTML5, CSS, Java, Kotlin, Spring Boot, Maven, Kafka, REST APIs, Microservices, Cypress, Jest, Jasmine, AWS, Git, CI/CD.

Jan 2022 - Dec 2025

4 years

AI Agent – Autonomous Task Agent with LLM

Automated execution of structured tasks via GPT-4, API-first.
NLU leads to task planning and autonomous execution.
API calls, file system, calendar, mail, codegen.
Persistent contexts and dynamic plugins.
REST-first architecture with optional Flask UI.
Technologies: Python 3.11, FastAPI, Langchain, GPT-4, PostgreSQL, JSONMemory, APScheduler, Docker, GitHub Actions.

Jan 2022 - Dec 2025

4 years

KryptoBot – Autonomous trading bot for BTC & altcoins

Live trading with real-time data, risk management, alerts and SL/TP.
Live price stream (order book/trades), grid strategy.
SL/TP management + CRV backtests.
Angular dashboard with Highcharts.
Paper/live trading engine, modular design.
Technologies: Python 3.11, FastAPI, Flask, SQLite/PostgreSQL, ccxt, TA-Lib, WebSocket, Telegram, Docker, GitHub Actions.

Jan 2022 - Dec 2025

4 years

SignalBot – AI-based stock analysis bot

Generation of long/short/hold signals for over 1000 stocks (DAX, S&P 500, Nasdaq) via technical indicators and ML predictions.
Signal weighting (RSI, MACD, CRV, momentum).
ML predictions on 5/10/20d returns.
Backtests + score rankings, CSV/PDF export.
Modular logging, .env, staging-ready.
Technologies: Python 3.11, FastAPI, Dash, PostgreSQL, TA-Lib, scikit-learn, LightGBM, XGBoost, Plotly, APScheduler, Docker, GitHub Actions.

Jul 2021 - Jun 2022

1 year

Senior Full-Stack Developer

Generali

Development of a modern customer portal focused on security (OAuth2/SSO), performance and cloud-ready architecture. Implemented as a responsive web app with state-driven design, Keycloak integration and full-stack connectivity to AWS services.
Modular build of reactive UI components with Angular, RxJS, NGXS & NgRx.
Use of Tailwind for fast styling.
Ionic components for mobile optimization.
Integration of REST-based APIs with documented communication via OpenAPI.
Authentication & SSO via Keycloak.
Implementation of interface flows and state synchronization.
Test automation with Cypress & Jasmine.
Containerization with Docker, deployed on AWS services.
Git-based workflow with PR handling, story tracking via JIRA.
Technologies: Angular 13, TypeScript, RxJS, NGXS, NgRx, Tailwind, HTML5, CSS, Ionic, REST, OpenAPI, Keycloak, Cypress, Jasmine, AWS, Docker, Git.

Jul 2021 - Mar 2022

9 months

Senior Full-Stack Developer

Berenberg

Built a digital platform for asset management and investment advisory with a focus on performance, security, and modular full-stack design – in close coordination with UX, security, and product management.
Developed reactive UI components with Angular, RxJS, and Tailwind.
Focused on UX, responsive design, and maintainable component structure.
Created secure REST APIs with Spring Boot and OAuth2-based authentication via Keycloak and Azure AD.
Handled validation, DTO mapping, error handling, and API documentation with Swagger.
Containerized with Docker, deployed to Kubernetes.
Integrated CI/CD, maintained test coverage with Jest, managed Git PR process, documented in Jira, and maintained knowledge in Confluence.
Technologies: Angular 12+, TypeScript, RxJS, Tailwind, HTML5, CSS, Angular Material, Java, Spring Boot, REST, OAuth2, Keycloak, Azure AD, Swagger (OpenAPI), Docker, Kubernetes, Git, CI/CD, Jest.

Aug 2012 - Jul 2021

9 years

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

Over 12 years of enterprise project experience for clients such as 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, and HO2 System Consulting.
Responsible for architecture during migrations of AngularJS, SharePoint, and Polymer legacy applications to modern Angular stacks (v8–v13) with a structured migration plan, testing, and refactoring.
Built platforms for business-critical domains: applicant management (Ottogroup), auth/upload systems (Uniper, Hannover Re), control UIs for machinery and medical technology (Brückner, Sirona).
System-level SAP integration: connected SAP PI/PO interfaces (Aldi, HO2, Roche), built central workflows via SAP BPM for master data management.
Set up automated build and deployment processes in hybrid infrastructures (Docker, Azure DevOps, K8s, Jenkins).
Data architectures for highly available systems: high-performance data management with SQL Server, Entity Framework, complex joins, and stored procedures.
Implemented BPMN processes with Camunda & SAP BPM for critical business workflows with audit trails.
Developed secure REST, SOAP, & MQTT interfaces with DTO mapping, OAuth2, OpenAPI, and API gateway structures.
Enterprise-level test strategy: test coverage with Cypress, Jest, Karma, Testcontainers including web components, SAPUI5, and complex DOM behavior.
Technical leadership: agile development in Scrum mode with Jira, technical review culture, architecture consulting, mentoring & knowledge transfer.
Technologies: AngularJS, Angular 13, TypeScript, Java (Spring Boot), Kotlin, Node.js, Python, C#, REST, GraphQL, Kafka, AWS, Azure, Docker, Kubernetes, Keycloak, RxJS, NgRx, Cypress, Jest, SAP PI/PO, Camunda, MSSQL, PostgreSQL, Oracle.

Summary

I am a Full-Stack Engineer with over 12 years of experience building scalable web applications, APIs, and cloud-based 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 focus on quality, scalability, and clear code.

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 architecture

I write code that not only works but runs reliably under load, remains maintainable, and is understood by the team.

My focus is on quality, performance, and clear architecture so solutions last.

Skills

Frontend: Angular 2–19, Angularjs, Signals, Signalstore, Rxjs, Ngrx, Nx Monorepo, Typescript, Javascript (Es6+), Html5, Css3, Scss, Sass, Highcharts, D3.js, Chart.js, Apexcharts, Bootstrap, Tailwind Css, Angular Material, Primeng, Kendo Ui, Web Components, Shadow Dom, Stencil, Polymer, Sap Ui5, Sap Fiori, Jquery, Knockout.js, Lid.js, Responsive Design, Mobile-first, Accessibility (Wcag), Pwa (Progressive Web Apps)
Backend & Api: Java (8–21), Spring Boot, Spring Batch, Spring Security, Kotlin, C#, .Net Core, Asp.net Web Api/mvc, Node.js (Nestjs, Express), Python (Flask, Fastapi), Php (5/7/8), Abap, Rest, Graphql, Grpc, Openapi (Swagger), Soap, Websockets, Server-sent Events (Sse), Mqtt, Oauth2, Openid Connect, Jwt, Keycloak, Identityserver
Automation/ai: Pandas, Numpy, Scikit-learn, Xgboost, Lightgbm, Nltk, Openai Api, Langchain, Llm Prompts, Vector Dbs, Ccxt (Crypto Exchange Integration), Tradingview Api, Backtesting, Fastapi With Pydantic, Airflow (Etl), Chatbot Integration, Automated Reporting, Ai-based Signal Generation
Cloud & Devops: Docker, Docker Compose, Kubernetes (K8s), Helm, Terraform, Azure (Devops, Aks, Functions, Blob Storage), Aws (Ec2, S3, Lambda, Rds), Gcp, Nginx, Traefik, Portainer, Let's Encrypt
Ci/cd Pipelines: Github Actions, Gitlab Ci, Jenkins, Azure Pipelines, Circleci, Iac, Gitops, Secret Management (Vault, Doppler, K8s Secrets), Service Mesh (Istio, Linkerd)
Testing & Quality: Unit Tests, Integration Tests, End-to-end Tests (E2e), Jest, Jasmine, Karma, Cypress, Playwright, Protractor, Testcontainers, Nunit, Xunit, Mockito, Junit, Api Tests (Postman, Insomnia, Soapui), Tdd, Bdd, Coverage Analysis, Linting, Eslint, Husky, Prettier
Data & Storage: Postgresql, Mysql, Mariadb, Mssql, Oracle, Mongodb, Dynamodb, Redis, Cassandra, Influxdb, Elasticsearch (Elk), Solr, Firebase Realtime Db, Firestore, Flyway, Liquibase, Db Migrations, Er Modeling, Index Tuning
Architecture & Patterns: Clean Architecture, Hexagonal Architecture (Ports & Adapters), Onion Architecture, Ddd (Domain Driven Design), Tdd, Bdd, Cqrs, Event Sourcing, Microservices, Modular Monolith, Event-driven Architecture (Kafka, Rabbitmq), Api Gateway, Backend-for-frontend (Bff), Dto Mapping, Repository Pattern, Camunda Bpmn, Zeebe, Flowable, Decision Tables (Dmn)
Tools & Infrastructure: Git, Github, Gitlab, Bitbucket, Azure Devops, Svn, Tfs, Gitea, Jira, Confluence, Notion, Miro, Mural, Slack, Teams, Lotus Notes
Ides: Vs Code, Intellij Idea, Webstorm, Pycharm, Visual Studio, Eclipse, Xcode, Android Studio, Sap Web Ide, Nexus, Artifactory, Sonarqube, Eslint, Prettier, Husky, Commitizen
Operating Systems: Windows 7–11, Windows Server (2012–2022), Macos (Intel & M1), Linux (Ubuntu, Debian, Suse, Alpine, Rhel, Centos), Android (Emulator + Debugging), Ios (Xcode Simulator), Wsl2 (Windows Subsystem For Linux), Coreos, Vmware, Virtualbox, Docker Images (Alpine, Ubuntu)
Monitoring, Logging, Observability: Grafana, Prometheus, Loki, Elk (Elasticsearch, Logstash, Kibana), Graylog, Sentry, Datadog, New Relic, Uptime Kuma, Health Checks, Metrics Export, Alerting (Slack, Email, Pagerduty), Distributed Tracing (Opentelemetry, Zipkin)
Industry Experience: Insurance, Banking, Energy, Pharmaceuticals, Mechanical Engineering, Research & Nuclear Technology (Nuclear Power Plants), Public Transit (Öpnv), Transport & Logistics, Tourism, Retail, Food Industry, Media & Tv, Online Platforms, Video Production, It Services, Internet Economy, Web Development, Mobile Development, Digitalization & Digital Transformation, Software Development, Web Design, Marketing & E-commerce, Railways, Deutsche Bahn, Consulting & Project Management
Methodological Know-how: Agile (Scrum, Kanban, Safe), Ooa/ood, Solid, Ddd, Tdd, Bdd, Clean Architecture, Clean Code, Hexagonal Architecture (Ports & Adapters), Layered Architecture, Cqrs, Event Sourcing, Component-based Development, Test Automation (Unit, Integration & E2e Tests), Ci/cd, Devsecops, Api Design (Rest, Graphql, Openapi), Data-driven Modeling, Workflow & Ui Design, Code Reviews, Pair Programming, Technical Documentation, Seo & Web Hosting, Performance Optimization, Monitoring & Observability (Grafana, Prometheus, Elk), Scaling Frontend & Backend Systems, Feature Toggles & A/b Testing, User-centered Design, Accessibility (Wcag, A11y), Mobile-first & Responsive Design, Agile Requirements Engineering, Stakeholder Communication, Technical Roadmapping, Mentoring, Team Leadership & Onboarding Developers, Architecture Reviews, Project Management
Technologies (Selection – Frontend): Angularjs → Angular 13, Angular Elements, Typescript, Javascript, Html5, Css3+, Tailwind, Bootstrap, Ionic, D3, Lid.js, Polymer, Sap Ui5, Sap Fiori
Technologies (Selection – Backend & Apis): Java (Spring Boot), Kotlin, Node.js (Express), Python, C# (.Net Core), Asp.net, Rest, Graphql, Websocket, Openapi, Dto Mapping (Mapstruct), Kafka, Rabbitmq, Jpa/hibernate, Microservices
Technologies (Selection – Cloud & Auth): Aws, Azure, Docker, Kubernetes, Oauth2, Openid, Keycloak, Identityserver
Technologies (Selection – State Management): Rxjs, Ngrx, Ngxs
Technologies (Selection – Testing & Qa): Cypress, Jest, Jasmine, Karma, Protractor, Mockito, Testcontainers
Technologies (Selection – Sap Stack): Sap Pi/po, Sap Ecc, Sap Bpm, Sap Gateway, Odata
Technologies (Selection – Ci/cd & Devops): Github, Gitlab, Bitbucket, Jenkins, Azure Devops, Docker, Maven, Gulp, Webpack
Technologies (Selection – Bpm & Workflow): Camunda, Bpmn 2.0, Sap Bpm
Technologies (Selection – Dbs): Mssql, Postgresql, Oracle, Mongodb, Mysql, Pl/sql, T-sql
Technologies (Selection – Monitoring & Tooling): Grafana, Prometheus, Elk, Sentry, Postman, Jira, Confluence, Intellij, Vs Code
Architecture Principles & Methods: Clean Architecture, Ddd, Hexagonal & Layered Architecture, Modularization, Cqrs, Event Sourcing, Microservice Design, Api Security (Oauth2, Keycloak, Openapi), Devsecops, Tdd/bdd, Ci/cd Pipelines, Automated Testing, Bpm Integration, Agile Requirements Engineering, Mentoring & Technical Leadership