GitHub Experts in Frankfurt

Reza N.

Senior IT Security Engineer · Detection & Response · Microsoft Security

Dreieich

Last position:

Senior IT-Security Expert at Teambank AG

Completed the integration of log sources into Microsoft Sentinel, including GCP workloads – centralized consolidation of all security-relevant events from Azure and GCP environments for complete end-to-end telemetry and comprehensive compliance evidence
Developed custom rules and use cases based on the GFG Use-Case Library and the MITRE ATT&CK Matrix to cover company-specific threats and GFG-relevant scenarios with precise, mapped detection rules
Tuned detection rules to minimize false positives, optimized detection thresholds, and modeled exceptions – enabling the SOC to work with relevant, prioritized alerts while reducing Mean Time to Detect/Respond
Built SOAR capabilities in Sentinel by developing playbooks to automate recurring response processes such as containment, user and host isolation, and ticketing – shorter response times and 24/7 scalability
Designed and built a log transformation solution to normalize and enrich incoming raw logs (GeoIP, CMDB, threat intelligence) and convert them into a consistent schema for high-performance KQL queries, use case logic, and correlations
Managed Azure security through Azure Policies to enforce security and compliance standards, prevent drift, and continuously remediate deviations
Operated the Defender XDR portal to link endpoint, identity, email, and SaaS signals with Sentinel findings, enable holistic incident triage, and orchestrate measures directly from XDR

Technologies: Microsoft Sentinel, Microsoft Defender XDR, Azure Policy, KQL, GCP, MITRE ATT&CK

Boian V.

Solution Architect

Last position:

Solution Architect at DB InfraGO AG

The Base Services of DB InfraGO form a central data hub between the company’s IT systems. Common Data Services are developed that distribute data from source systems to a variety of downstream systems (via JMS) and make them available (via REST API). The existing service landscape based on TIBCO is being migrated to DB InfraGO’s cloud-native platform.

Architecture design and implementation for performance-optimized bulk data processing of several million datasets at specific times during the day
Technical specification and documentation of business requirements
Integration of various subsystems (including SAP and Salesforce) through the reimplementation of more than 40 microservices based on Spring Boot
Migration of TIBCO Based microservices from the Enterprise Integration Platform to the Cloud Native Platform using Spring-Boot
Establishment of a deployment pipeline using GitLab CI/CD, Artifactory, and automated deployment to a Kubernetes environment with the help of ArgoCD
Definition and implementation of automated unit, integration, and regression tests

Team Size: 9

Technologies/Tools: Java, Spring Boot, ActiveMQ(JMS), JUnit, Tibco Business Works, Gitlab (CI/CD), Kubernetes (Amazon AWS), ArgoCD, postgreSQL, Oracle, Postman, Hoppscotch, openAPI, Sonarqube

Michael H.

Senior Frontend Engineer · Frontend Tech Lead · Lead UI Engineer

Kelsterbach

Last position:

Frontend Developer at RTL Tech

Development and optimization of the RTL+ frontend application for SmartTV and set-top box platforms with React and Next.js.
Key role in the technical coordination of developers within the team and in coordinating implementation.
Central interface to adjacent teams to simplify development processes and improve cross-team alignment.
Improved frontend performance, stability, and rendering behavior on low-powered devices in a restricted runtime environment.
Implemented a frontend testing strategy with Jest, React Testing Library, and Playwright.
Implemented accessibility improvements according to WCAG 2.2 and WAI-ARIA.
Integrated Didomi Consent Management as a contribution to increasing ad monetization on streaming platforms.
Used AI-supported engineering workflows with Cursor for structured implementation, refactoring, and faster problem solving.

Technologies used: React, Next.js, TypeScript, JavaScript, GraphQL, Apollo Gateway, Zustand, Tailwind CSS, Styled Components, React Testing Library, Playwright, Jest, HTML5, CSS3, AWS Lambda, EC2, CloudFront, S3, GitLab CI/CD, NX, Cursor

Kevin F.

Senior Consultant and Platform Engineer

Last position:

DevOps and Platform Engineer at DB Systel GmbH

Error analysis and fixes including performance optimization of the in-house developed platform API
Change and incident management in day-to-day operations
Responsible for compliance with security and compliance requirements
Vendor management for software development and maintenance
Planning and execution of migration of legacy services to a cloud native platform

Role in the project: project staff, implementation team

Used skills: requirements analysis, IT service and application management, IT operations, error analysis and performance optimization, software maintenance and lifecycle management

Project environment: Cloud Native Platform (Kubernetes, Crossplane, AWS, ArgoCD, Grafana)

Saqib J.

Senior Solution & Software Architect · Interim IT Lead · AI/Agentic AI, Cloud, .NET

Erlensee

Last position:

AI Developer / AI Engineer (Lead) at KOM4TEC GmbH

Conceptual design and implementation of modular AI assistants for sales and business processes in the Microsoft ecosystem (Agentic AI, Copilot extensions)
Frontend architecture and development with React + TypeScript for embedded chat and assistant surfaces (streaming UI, hooks, React Query, OpenAPI clients)
Enterprise-level agent development: reusable skill/agent library, MCP server, review and compliance gates
LLM integration into the user experience: Anthropic (Claude), OpenAI, tool use, RAG pipelines, prompt engineering, guardrails
Architecture and code review consulting as well as mentoring in the AI development team
Integration with Microsoft Graph, Power Platform, and Azure services
Technologies: React, TypeScript, Anthropic Claude, OpenAI, MCP, RAG, Microsoft Graph, Power Platform, Azure

Prasad T.

Solution Architect / Senior Manager – DTC E-Commerce Platform

Last position:

Solution Architect / Senior Manager – DTC E-Commerce Platform at BRITA

Led discovery phase and POC for Shopware to Shopify Plus migration across EMEA markets, evaluating platform suitability, technical architecture, and multi-brand/multi-country capabilities against business requirements.
Designed reference architecture for Shopify Plus implementation incorporating headless front-end patterns (Vue.js, Nuxt.js), CMS integration (Magnolia), and Azure middleware (APIM, Functions, Logic Apps, Service Bus) for 11 EMEA markets.
Defined migration strategy analyzing data mapping, cutover approach, and zero-downtime deployment patterns using Varnish caching, GitOps pipelines, and CI/CD orchestration across six vendor teams.
Architected multi-tenant Shopify Plus governance model with centralized admin, localized storefront customization, and compliance controls (GDPR, data residency).
Prototyped AI-driven search optimization (LLM.txt, JSON-LD) for product discoverability in Google AI results, demonstrating post-launch performance opportunities.
Defined EMEA expansion roadmap for 15+ markets through C-level strategic workshops, identifying phased rollout, market-specific configurations, and resource requirements.
Tech Stack: React, Nuxt.js, Vue.js, Magnolia CMS, Shopware, Shopify Plus, Azure (APIM, Functions, Logic Apps, Service Bus, Front Door), Varnish, SAP, MS Dynamics, Docker, Kubernetes, GitHub Actions, PostgreSQL, Kafka

Torsten F.

Data Analyst, Requirements Manager

Dreieich

Last position:

Data Analyst, Requirements Manager at Isabellenhütte Heusler GmbH

Analysis of the existing reporting platform including processes and governance topics with stakeholders from sales and marketing.
Detailed analysis and evaluation of client-defined requirements for existing reporting and new dashboards.
Supporting stakeholders in managing sales processes and early detection of KPI trends.
Use of Microsoft Power BI as central analysis and reporting platform.
Developing a proposal for the necessary evolution of processes and the Power BI platform.
Gathering current business processes and defining company-wide KPIs in coordination with stakeholders.
Analysis and inventory of the client's Power BI platform.
Analysis of processes and data governance.
Recording and documenting current business processes.
Developing recommendations for process and reporting platform improvements.
Designing and implementing dashboards in Power BI.
Defining company-wide KPIs and aligning them with stakeholders.
Microsoft Power BI.
Data analytics.
KPI definition and reporting.
Dashboard design and data visualization.
Stakeholder management and requirements management.

Noel L.

Founder & Lead Engineer

Last position:

Founder & Lead Engineer at ausbildung-in-der-it.de

Platform established and running stably; deliberately reducing my involvement to refocus on an engineering mandate in the financial sector.
Built an own SaaS learning platform from the ground up and scaled it to over 20,000 users (over 6,000 courses sold, B2C and B2B); end-to-end ownership from development through infrastructure to operations.
Built a lab environment that provisions an isolated Linux container per user (Docker, Traefik, Go), including automatic provisioning and a dedicated subdomain per user.
Integrated LLM features into the product and accelerated development end-to-end with AI-assisted workflows (Claude Code, Codex); CI/CD with automated tests.

Uday V.

Full Stack Java Developer and DevOps Engineer

Last position:

Senior Full Stack Java Developer & DevOps Engineer at Deutsche Börse (DBAG)

Project: SCS (Settlement / Clearing Services)

Settlement platform serving multiple trading and clearing venues — counterparty risk safeguarding, settlement volume reduction, central risk management, and post-trade anonymity.

Technologies: Java 17, Spring Boot 3, Microservices, Spring Data JPA, SonarQube, Fortify (SCST), Mockito, Jenkins, OpenShift, Maven, Podman, GitHub, JIRA, Liquibase, Swagger, AMQP, Apache Camel, Terraform, PostgreSQL, Instana, Graylog.

Identified and remediated CVEs in third-party libraries using SCA tooling, strengthening the security posture of production components.
Maintained 90% code coverage with SonarQube, improving code quality and reducing production defects.
Enabled mTLS for database authentication and message broker connections, enforcing encrypted, certificate-validated communication.
Designed and deployed microservices with asynchronous, REST-based communication between components.
Optimized a high-volume REST API (~200K requests) by reducing response time from 3s to 2s (33% improvement), boosting throughput and reliability under production load.
Automated build and continuous integration pipelines using Maven and Jenkins.
Orchestrated containerized workloads on Podman/OpenShift and governed schema evolution with Liquibase, ensuring reliable, repeatable deployments across all environments.
Optimized Java code and implemented EHCache-based caching, improving application performance.
Streamlined release management by governing application images, JAR versions, and dependencies through DBAG Artifactory, ensuring version consistency and audit traceability across environments

Vincent R.

Freelancer

Last position:

Freelancer at VINROTLAB.IO

Consulting and creation of various web applications based on SharePoint and the React framework for different clients
Development and testing of accessible apps for SharePoint
Creation of various test cases for test automation
Development of various solutions based on Azure
Creation of various web services based on .NET
Development of various SharePoint Framework solutions
Development of various UI solutions based on SharePoint
Consulting and creation of various Power Apps applications and Power Automate for the steel industry and an IT consulting company
Support, consulting, and development with offshore teams for SharePoint 2013, 2016, and microservices for a logistics company
Consulting, concept design, and development of microservices and web applications based on Microsoft technology and the React framework for a logistics company
Consulting, concept design, and development of various SharePoint Framework solutions on SharePoint 2016 for logistics
Consulting for the migration from SharePoint 2010 to 2016 for an IT consulting company

Onik M.

SAP SuccessFactors & S4HANA Consultant

Last position:

SAP SuccessFactors & S4HANA Consultant at Banking Industry

Extracted relevant infotypes from SAP HCM for migration to SuccessFactors Employee Central and mapping to ECP fields.
Configured P2P integration including BAPI setup and secured data exchange with HTTPS and OAuth protocols.
Set up foundational settings in Recruiting (REC) including roles, permissions, and job requisition templates.
Implemented Career Site Builder to create a branded candidate experience and integrated external job boards.
Configured candidate application workflows, screening, interviewing, and hiring communication templates.
Set up pre-screening questions and assessment tools including DHB sanction list checks.
Implemented automated background check and KYC integration with external vendors in the REC module.
Localized job requisition templates to reflect regional job titles and regulatory compliance.
Customized onboarding document templates and localized document archiving protocols (DRTM).
Adjusted onboarding forms to capture country-specific employee information including Form I-9.
Enabled Form I-9 remote document verification and integrated eVerify with SuccessFactors.
Set up automated reminders for employees and HR to complete I-9 sections within deadlines.
Configured pre-Day 1 access for new hires to complete tasks and mandatory trainings prior to start date.
Enabled e-signature integration for onboarding documents to support remote verification.
Technologies: SAP SuccessFactors, BTP, CPI, HCM onPremise, EC, ECP, REC, ONB, Form I-9, eVerify, S4HANA.

Khaled T.

Consultant / DevOps Engineer

Last position:

Consultant / DevOps Engineer at Dr. Ing. h.c. F. Porsche Aktiengesellschaft

Porsche ID is a unified digital identity platform providing secure authentication and seamless access across Porsche’s online services, mobile apps, and connected vehicle features
Designed and implemented new authentication and authorization functionalities for both users and systems
Ensured high availability, security, and performance to deliver a flawless digital experience for Porsche customers
Technologies: Auth0, Angular, Tailwind, AWS, Terraform, Github
Methodologies: Scrum and SAFe

Svyetoslav P.

CTO

Last position:

CTO at Skar Audio

Main developer in an online retail company
Built an online shop using the Next.JS React framework
Integrated the site with dozens of third-party apps using REST and GraphQL APIs
Built a backend for order management, warehouse management (with iPhone app), and supply management
Automated invoicing and finances with QuickBooks

Ulm P.

Freelance IT Specialist

Steinbach (Taunus)

Last position:

DataStage ETL Expert at ING Bank

Datastage 11.7, dbt, Oracle 19, Python 3.12 / PySpark 3.5, Azure GitHub, Azure DevOps, Automic
Development of migration jobs to transfer data from the collection DWH to the new Risk Mart, as well as development of ETL pipelines to migrate historical data from the old Mart to the new Risk Mart.
Storage of the silver layer on Hadoop and the gold layer in Oracle.
Translation of DataStage jobs into dbt to publish reporting data in Google Cloud to a PostgreSQL database.
Creation and optimization of complex SQL queries for data extraction from a data vault, taking into account historical data in the point-in-time tables.
Creation of Oracle table definitions (DDL) and adjustment of existing stored procedures.
Versioning changes in GitHub and deployment via the CI/CD portal.
Refactoring long-running DataStage jobs into Python using PySpark to reduce server load.
Migration of SAS scripts to PL/SQL, including new development of distribution functions that have no direct equivalent in Oracle.
Development of Automic jobs to run DataStage pipelines and Python scripts (PySpark jobs) that control the population of the SME and institutional risk tables in the Risk Mart and perform business calculations.
Participation in the agile process, including creating user stories, estimations, and planning in Azure DevOps.
Handling Azure DevOps tickets and close collaboration with testers and business teams for error analysis and resolution.

Florian F.