Encryption Experts in Berlin

Andreas R.

Principal Consultant Information Security

Last position:

Freelance Consultant for Information Security at A-R-C Andreas Rühl Consulting

Development and implementation of tailored information security strategies
Introduction and further development of ISMS according to ISO 27001, BSI baseline protection, and other standards
Risk management and creation of security concepts
Consulting for KRITIS, PCI DSS, TISAX, and VdS 3473/10000
Building and improving security organizations
Creation and implementation of guidelines, policies, work instructions, and process descriptions
Audit support and certification preparation
Conducting trainings, workshops, and awareness campaigns
Selection and consulting on the introduction of IT security solutions such as SIEM, DLP, IDS/IPS, firewalls, and encryption technologies
Conducting penetration tests and vulnerability analyses
Consulting on the selection, integration, and management of security architectures in complex IT environments
Consulting on ITSM and managed security services and SOC
Leading and managing complex projects to improve information security
Process analysis, optimization, and management according to ITIL, ISO 27001, and cybernetics
Introduction and quality assurance of management, documentation, and knowledge management systems
Support in complying with regulatory information security requirements (e.g. GDPR, HIPAA, SOX, GMP, KRITIS)
Development and implementation of risk analysis procedures
Organizing initial response, forensic investigations, and organizational measures in the event of security incidents
Designing and running targeted workshops on topics such as ISMS, IT risks, and current threat scenarios
Awareness campaigns to promote security culture in companies
Special trainings on ISO 27001, BSI baseline protection, KRITIS, and other relevant standards
Simulations and exercises to prepare for information security incidents
Interim management for leading information security projects or IT security organizations
Taking on the role of an external CISO (Chief Information Security Officer)
Support in developing and implementing IT security and corporate strategies
Coaching and mentoring of managers in the field of information security
Building and leading security departments as well as recruiting and qualifying employees
Temporary assumption of management responsibility in critical situations

Giovanni L.

Data and Solution Architect

Last position:

Solution Architect at Nordea Bank

Consumer Cards Solution Architect

Provided architectural leadership in Consumer Cards Domain establishing best practices and improving architectural transparency and maintainability by designing a structured documentation framework to enable reverse engineering of legacy card systems.
Standardized architectural artefacts including BIAN Business Capabilities, UML diagrams in draw.io format (Use Case, Component, Sequence), naming conventions, document repository, design templates and blueprints, microservices.
Produced high-level and low-level designs aligned with enterprise architecture governance processes and artefact standards.
Provided architectural support to the Strategic Card Simplification Programme, focusing on card product migrations and application decommissioning across all countries. Agile environments (Scrum/SAFe).
Analysed and designed AI use cases in the architecture domain.

Project: Payment Card Industry Data Security Standards (PCI DSS) Strategic Programme

Analysed and documented existing data flows across card products and geographic regions to assess PCI DSS compliance.
Identified areas involving sensitive data at rest and data in motion requiring encryption or masking, ensuring adherence to PCI DSS requirements.
Collaborated with security, infrastructure, and application teams to align encryption strategies with regulatory and organizational policies.
Provided strategic advisory services on data strategy, data governance, data management, data quality, data architecture, data mesh, MEGA HOPEX, DAMA-DMBOK, event-driven architecture, end-to-end data flows and card product harmonization models.
Ensured solution design alignment with regulatory compliance (BCBS 239, DORA, GDPR) and internal policies.

Project: Denmark ATM Outsourcing Project

Objective: Outsource ATM operations and maintenance to a third-party provider while expanding the Denmark ATM fleet, with Nordea retaining ownership of ATMs and cash for the existing and extended infrastructure.

Led a cross-functional delivery team (project management, business analysis, and architecture) and documented the as-is ATM ecosystem architecture, including end-to-end data flows, integrations, and internal/external application interfaces.
Designed end-to-end processes for authorization, reconciliation, and settlement, aligning operating model, controls, and compliance requirements across Nordea and the outsourced service provider.
Produced high-level and low-level solution designs using standardized UML artefacts (Use Case, Component, and Sequence diagrams) to support vendor onboarding, integration planning, and implementation.
Ensured architectural alignment and decision-making across enterprise stakeholders and third-party providers, managing dependencies and interfaces in the context of the outsourcing initiative.

Daniel M.

Founding Database Engineer

Last position:

Founding Database Engineer at tonbo.io

Working on the next iteration of tonbo to make it the most flexible in-process analytical database in the market that scales and is operated with strong availability
Introduced object scope cache to the remote storage layer to avoid I/O churn
Working on refactoring WAL to support remote storage
Taking care of the health of the systems as well as designing the operational story and bringing them to production
Technologies: LSM, WAL, Arrow, Parquet, Rust

Alois R.

Senior Backend & Fullstack Developer

Last position:

Senior Fullstack Developer at brandung GmbH

Opt-in RAG extension over tenant-owned data sources (SharePoint, Confluence) on existing multi-tenant enterprise AI platform
Architecture: ADRs, solution evaluations, permission strategy, cost modeling
End-to-end SharePoint and Confluence connectors: OAuth consent flows, token refresh, metadata sync, search integration
Permission resolution: ACL indexing at ingestion and query-time verification (document-level security)
Elasticsearch hybrid search (semantic + keyword) with RRF scoring
RAG chat with context injection and source citations
Stack: Elastic Cloud, Elasticsearch, Docker, Northflank, Next.js, React, TypeScript, Prisma, Microsoft Graph API, Atlassian REST API, OAuth 2.0

Unnikuttan V.

Managing Director (Co-Founder)

Last position:

Managing Director (Co-Founder) at AathmaSignals

Spearheading investor outreach and partnership development as founding MD, building the business case and technical narrative needed to attract initial funding and strategic collaborators in the digital health space
Designing multi-agent AI systems for autonomous biosignal analysis, orchestrating LLM-based reasoning pipelines with domain-specific medical context to enable intelligent, clinical decision support

Ursula R.

Sabbatical with Training

Last position:

Sabbatical with Training at Own Sabbatical

Steven M.

Freelance Trainer

Dallgow-Döberitz

Last position:

Freelance Trainer at TÜV Rheinland Akademie

Practical seminar “Generative AI in Software Development”
Mobile apps and cloud computing
Internet of Things, smart home, and consumer healthcare
The future of mobile communication

Bidya B.

Global Lead – Payment Risk

Last position:

Global Lead (Product) – Payments Platform (Risk & Data Products) at Chargebee

Own strategy and roadmap for the payment orchestration and risk intelligence products serving enterprise subscription customers.
Conduct deep workflow discovery and user interviews to redesign onboarding experience, resulting in 5× funnel throughput and 70% reduction in manual steps.
Define PRDs for scalable data pipelines, fraud signals, and automation logic, improving insight accuracy and speed of decision-making by 30%.
Partner with engineering, data, design, and security to ship 15+ enterprise features with 100% successful release quality.
Introduce risk analytics dashboards and performance KPIs, reducing investigation time by 40% and improving visibility across teams.
Lead prioritization of new capabilities, tech debt, and security initiatives (PCI DSS, access controls, auditability).
Lead development of ML-based fraud detection models (regression, decision trees) to identify high-risk transactions, reducing chargebacks by 20%.
Design end-to-end analytics dashboards (Tableau, Redshift) to visualise global risk exposure, cutting onboarding SLA from 2.4 days to 3 minutes.
Partner with engineering and data teams to deploy scalable payment risk frameworks, enhancing compliance visibility and decision speed.
Mentor analysts and data scientists through agile sprint cycles, embedding a data-driven culture across risk operations.

Katarzyna R.

Product Designer

Last position:

Product Designer at IBM Denmark

end-to-end design: managing the full design process from user research and ideation to wireframes, prototypes, and final UI designs
secure product UX: ensuring usability and accessibility for complex systems like encryption management and IoT infrastructure
cross-functional collaboration: working closely with developers, security engineers, product managers, and stakeholders to align technical constraints with user needs
design thinking workshops: participating in and facilitating workshops to define user problems and ideate potential solutions
user research & client interviews: gathering insights through direct user and client interactions to inform product features and design direction
feature design & presentations: designing detailed features and presenting them to both technical and non-technical stakeholders for feedback and iteration
implementation support: supporting developers throughout implementation to ensure design quality and consistency
design systems: contributing reusable components and UX patterns to internal design systems for consistency and scalability
usability focus: refining user flows and interfaces based on usability testing and feedback to reduce friction and increase efficiency
technical fluency: serving as a bridge between design and development, translating complex technical requirements into intuitive user experiences

Taha H.

Senior Salesforce Developer

Last position:

Senior Salesforce Developer at Eurofiber

Implemented Service Tickets functionality for the HOLAWAL Partner Portal, taking full ownership of the epic from architectural design to delivery
Conducted stakeholder meetings, defined solution approach, and developed a reusable dynamic LWC component that enables configurable flow creation through JavaScript file settings
Implemented the IP-VPN workflow as a new business product and managed its end-to-end delivery using Salesforce Communication Cloud
Designed and developed a customer-facing quoting mechanism enabling external customers to view and accept quotes seamlessly
Localized and enhanced the customer portal by implementing Dutch translations, improving usability and engagement for a major Dutch client
Designed a quote request submission flow for the customer portal using Balsamiq wireframing tool, ensuring all required details were captured upfront
Developed an order form flow using Lightning Web Components to capture products, linked services, and service locations
Configured Salesforce Industries CPQ by modifying existing products, adding new attributes, and implementing validations to enhance product customization and accuracy
Implemented Apex mocking using the FFLIB library to build efficient, maintainable, and high-coverage test classes

Marcus K.

Senior Software Developer (APEX)

Last position:

Senior Software Developer (APEX) at Various

Further development and tuning of a medium-sized application for managing events and participants
Identification of bottlenecks
Adding missing foreign keys and indexes
Reprogramming views and SQL queries in APEX
Report development with Jasper Reports
Mentoring other APEX developers

Muhammad I.

Group Product Manager

Last position:

Group Product Manager at Delivery Hero SE

Strategic portfolio management: Own the product vision and multi-year strategic roadmap for the global InventoryAutomation portfolio. Managed the integration of AI-powered efficiency tools across multiple operating entities, ensuring alignment with complex regulatory and governance standards.
AI/ML impact at scale: Spearheaded mission-critical AI initiatives that automated 70% of global inventory rules. Leveraged predictive modeling to reduce manual errors by 40%, resulting in multi-million euro annual operational savings.
Operational optimization: Defined and tracked high-level success metrics (e.g., CPO). Successfully achieved a 10% reduction in Cost Per Order (CPO) through the deployment of Generative AI assistants and automated financial workflow models.
Executive stakeholder management: Acted as the primary liaison between Product, Engineering, Risk, Compliance, and Finance. Successfully navigated high-stakes negotiations to align disparate global entities on standardized payment protocols.
Team mentorship: Led a cross-functional squad of Data Scientists, Engineers, and Designers, fostering a culture of rapid experimentation and "Responsible AI" deployment.

Ina R.

Consultant

Last position:

Consultant at ALL AML GmbH

AML consultancy services, including setting up AML risk management, developing policies, procedures and controls, designing and undertaking employee trainings

Kalyani K.

Assistant Vice President