Technical Product Owner in Germany

• Planning and further development of responsive CMS websites
• Frontend development and extension of internal PHP applications
• CONTENS and OpenCms

DOKKI

AI-powered digital health product development

• Shaped the product vision, requirements, priorities, and technical target architecture of an AI-powered solution for processing medical documents.
• Designed LLM evaluation, data processing, data protection/governance aspects, and subsequent product development; technical prototyping with Codex.

• Owned requirements management for a connected mobile app integrating live vehicle hardware and embedded systems, from analysis through implementation (Requirements Management). App has grown to 500,000+ Google Play downloads and 5,800+ App Store ratings (4.4/5), ranking #170 in Germany's Navigation category.
• Steered digitalization and process optimization projects, coordinating between specialist departments, development teams, and external partners.
• Formulated requirements as user stories and acceptance criteria, accompanying implementation through testing and release.
• Applied genuine, practical AI Fluency to identify automation opportunities and accelerate delivery work. Applied SAFe and PRINCE2 methodologies; earned SAFe® 6 POPM and PRINCE2® Foundation certifications while in this role. Certified in Anthropic's AI Fluency framework.

• Own the 12–18 month roadmap and key outcomes for Elli's enterprise customer platform, covering onboarding, pricing, billing, analytics and broader platform modernization; redesigned the Fleet onboarding funnel to double conversion, supporting a projected €20.7M revenue uplift by 2028.
• Lead the broader Energy Intelligence product and directly own its AI/ML, asset and portfolio-optimization capabilities, including MLOps and safe strategy deployment, strategy lifecycle management and backtesting; delegated data and V2G integration roadmap ownership to a new PO as the platform scope expanded.
• Built a Human-in-the-loop GenAI/RAG support workflow, increasing L1 resolution by 24%, routing accuracy to 91%, and reducing L2 workload by 30%.
• Introduced standardized data contracts and a self-service Python toolkit for traders and Data Scientists, increasing platform adoption by 15% and reducing support effort by 50%.
• Built and scaled a real-time orchestration product from 32 to 3,000+ endpoints across four markets, growing recurring revenue from €1.4k to €56.3k MRR.
• Developed product and AI capability across the organization, training 20 PMs on RAG, agents and prototyping; mentoring a junior PM and coaching an Enterprise Platform Tech Lead toward Product Management ownership.

• Capturing requirements, including prioritization

• Coordinating the implementation schedule

• Supporting the necessary tests

• Setting up the necessary reporting structure

• Prioritized requirements for necessary measurements (KPIs)

• Monitoring dashboard for measuring system performance

• Reporting structure for measurement results

• Built a private second brain: a local AI agent (Ollama) searches my documents using full-text and vector search (RAG).
• Connected it to the Claude app via MCP with its own OAuth server.
• Private content is filtered out in code before a request reaches Claude (privacy by design).
• Development is agentic: AI agents implement user stories, review agents check them, and I accept and merge them.
• Planned for release as open source.

Technologies: Ollama, RAG, vector search, MCP, OAuth, Claude, AI agents

• Advising clients on digital transformation, IT architecture and the introduction of cloud-based environments.
• Gathering, evaluating and prioritizing customer requirements, as well as coordinating projects and programs based on scope, time, quality, budget and risk.
• Designing, documenting, maintaining and developing IT environments, automation and containerized applications.
• Implementing digital platforms, including e-commerce and ordering solutions, event platforms and the product concept for a legal-tech platform.
• Working in interdisciplinary teams and communicating effectively between clients, service providers and technical stakeholders.
• She accompanied companies in their transformation into the digital and agile working world, whether in business process or IT architecture consulting or as part of managed services.
• She developed individual strategies for the digital transformation of our customers and designed new IT environments in the cloud.
• As part of demand management, she gathered, evaluated and prioritized customer requirements.
• She worked in project and program management and coordinated our service providers and those of our customers, monitored their own projects in terms of scope, time, quality and budget and kept an eye on the associated risks.
• She led projects successfully to the end and ensured a professional transfer to regular operation.
• Ms. Sara Mussie has an exceptional understanding of the structure and optimization of IT infrastructures and various cloud technologies as well as modern IT architectures.
• Her areas of responsibility were the development of solutions, considering the service strategy and the possibility of automation, working on design and architecture documentation for projects and services, as well as working on the structure, maintenance and development of IT environments, automation and related tools for our microservice environment and containerized application.
• She was involved in improving our processes and the tool chain used.
• She is confident in handling common IT processes and IT standards.
• Ms. Sara Mussie has very good knowledge of PHP, PHP OOP, Laravel, MySQL, VueIs | Vuex, HTML | CSS | JS, Bootstrap, MongoDB, NodeIs and Python.
• To this day, Ms. Sara Mussie remains available to us for consultation requests from specific clients.

Workflow-automation SaaS for operations teams (Berlin, 120 people); full-time freelance engagement reporting to the CEO: an initial 12-month interim mandate, extended twice through the AI build-out; owned product for one squad and coached the other product managers on process.

• Led generative AI (LLM) integration into the core product: from LLM-powered steps to natural-language workflow authoring and step-level automation suggestions, plus AI-managed dynamic workflows, shipped behind eval gates with human-in-the-loop fallbacks: AI-drafted workflows grew to 31% of all new workflows, and median time-to-first-workflow fell from 3 days to 4 hours.
• Packaged the AI capabilities as a usage-based add-on priced on executed automation steps, working with sales and marketing on positioning: ~€800K added ARR in the first year, and adopting accounts churned 1.8 pp less.
• Owned the roadmap end to end: replaced feature-request-driven quarterly planning with an outcome-based rolling roadmap built on quarterly bets and explicit kill criteria, presented monthly to the executive team and quarterly to the board.
• Rebuilt the product-management operating system: weekly customer-discovery cadence incl. workshop facilitation, RFC/decision-doc reviews and a single quarterly metrics narrative; coached four product managers, one promoted to senior during the engagement.
• Closed the engagement as scoped: hired and onboarded the permanent VP Product, handed over the process playbook and roadmap, and exited on schedule in June 2026.

As a freelance employee / independent consultant, I supported a wide range of development projects and advised clients on digital innovation initiatives. A common role was acting as project manager / product owner at the interface between the client and the development team.

• Product Consulting — (Fractional) Product Owner, Freelance Product Management
• AI Services — AI consulting, training, vibe coding / agentic engineering, AI agents
• Tech Services — full-stack web development, design/UX, MVP delivery.

Two complementary tracks: (a) building my own AI products and open-source tools under the Neckarshore AI brand, with a focus on AI-supported multi-agent development processes and documentation automation; (b) freelance support for industrial, logistics, and financial companies in IT-related transformation projects.

Current product portfolio under the Neckarshore AI brand:

• Omnopsis Documenter — AI-powered documentation engine: generates compliance, technical, and release documentation from Git, Jira, and Confluence. 500+ automated tests, 100+ API endpoints, RBAC, monitoring stack.
• TrustScope — trust analysis for public GitHub repos: deterministic three-pillar report (Security & Supply Chain, Governance, Community) based on OpenSSF Scorecard, with constructive fix suggestions instead of a single misleading score.
• md-viewer — dependency-free Markdown viewer for macOS (Finder Quick Action) and web, split view of rendered document and raw text.
• Obsidian Vault Autopilot — AI-supported vault automation for Obsidian × Claude Code: sorts the inbox, renames notes, enriches frontmatter.
• Phonesis Voice Bank — voice archive for families, hospices, and cultural archives (guided recordings, inheritable archive, optional voice cloning); currently in the GDPR compliance phase (Art. 9, biometric data).
• Multi-Agent Development Process — 12+ specialized agents (architecture, implementation, security, refactoring, marketing) with structured handoff protocol, parallel execution, and automated quality assurance — powers the entire product development.
• Freelance consulting: Technical Product Ownership for production, logistics, and compliance/AML systems; steering international rollouts including test, cutover, and change management.

Stack: NestJS, TypeScript, PostgreSQL, Redis/BullMQ, Next.js, Claude Code (Opus), Docker, GitHub Actions, Vercel

Conceptual design and implementation of a modular customer portal based on Laravel.

The focus was on defining a maintainable system architecture with broad use of Domain-Driven Design principles (within the Laravel architecture), introducing automated quality assurance processes (test strategy, CI integration), and preparing an auditable operation (logging, traceability of changes) in an AWS-based infrastructure, taking IT security standards according to NIST and process requirements according to ISO 9001 into account.

Achievements:

• Analysis and structuring of business requirements in close coordination with stakeholders
• Documentation of the system architecture and infrastructure incl. change and release management
• Design and implementation of an interface for integrating SAP systems
• Planning and implementation of automated tests for quality assurance
• Implementation of security and compliance requirements, including SBOM generation, software license management, and QA processes
• Technical consulting and support for the internal IT team
• Introduction and establishment of AI-supported development processes (Spec-Driven Development), including AI-readable specifications, integration of AI instructions into the development environment, and training developers for productive use

Technologies and tools: SAP, Docker, ddev, PHP 8.4, Laravel, Filament, C4 Model, Architecture Decision Records (ADR), Mermaid, PlantUML, Spec-Driven Development, Claude, GitHub Copilot, Codex

• Built a standalone corporate IT environment — cloud strategy, network, AWS Landing Zone, security requirements, contract negotiations.
• Migrated all applications, helping the client avoid significant contractual penalties.
• Onboarded and managed int...

• Setup, configuration and ongoing administration of the Atlassian tools (especially Jira and Confluence) to optimally support project management and teamwork.
• Development, customization and maintenance of workflows, automations, permission structures and permission schemes within the Atlassian systems to ensure efficient and traceable processes.
• Support with integrating the Atlassian systems with other applications and tools to enable smooth information flows and consistent processes.
• Documentation of system configurations, processes and customizations to ensure traceability, knowledge transfer and long-term maintainability.
• Support for ongoing projects.
• Consulting and support with the introduction, adaptation and optimization of agile methods (SCRUM, Kanban), including coaching teams, Product Owners and Scrum Masters to ensure effective and transparent collaboration.

• Strategic consulting and implementation of AI-supported automation solutions for service processes (email communication, document handling, review processing, voice agents)
• Technical orchestration using n8n (workflow automation), Claude and ChatGPT (LLMs), as well as custom API integrations into existing enterprise tools
• Measurable customer results: response times reduced from hours to minutes, 8 fewer hours of invoice processing per week, 75% fewer routine calls
• Assessment of regulatory requirements (GDPR, compliance) as part of customer consulting
• Technical Product Ownership (backlog, roadmap, prioritization)
• Formal contracting vehicle for freelance assignments, including 1&1 Telecommunications
• Building & scaling enterprise AI platforms