
Neo4j Experts in Berlin
matched in minutes from over 15,000 CVs with the power of AIHire experts who model connected data, build Cypher queries and deliver graph-powered applications for recommendations, fraud detection and knowledge graphs. FRATCH connects you quickly with vetted, available freelancers whose skills fit your project.
Meet FRATCH Experts in Berlin, who have recently used Neo4j
Kenan Å .
Last position:
Enterprise Architecture at Swiss Krono
- Building up the Enterprise Architecture department. Preparing the convergence of IT / OT.
- Mapping the global business application landscape (6 countries).
- Concept for a graph model of the application landscape. Storing the results in the open-source graph database Neo4J. Various reports in the database query language CYPHER and the visualization component BLOOM. Automatic generation of IT architecture diagrams.
- Development of an application taxonomy to identify redundant applications.
- Applying Gartner's Software Portfolio Management TIME model (Tolerate, Invest, Migrate, and Eliminate) for portfolio management.
- Enterprise Architecture Governance: establishing architecture guidelines for documenting measures and decisions.
- Process modeling according to Porter (Value Chain).
- Various architecture approvals for change requests and documentation in Architecture Decision Records (ADR).
- Working on the RACI matrix for various processes.
- Working on business capabilities as preparation for a LeanIX rollout.
- Contributing to the concept for IT/OT convergence.
- Establishing architecture guidelines in a very pragmatic corporate culture. Knowledge about applications and responsibilities is spread across the world.
Ibrahim H.
Last position:
Senior Full Stack / AI Engineer at Punktum Digital GmbH
- Context: Healthcare and laboratory teams required faster document analysis, treatment-planning support, and reliable AI workflows for MR/VR-assisted operations.
- Contribution: Built the AI healthcare platform, model/agent workflows, VR-glasses deployment platform, REST APIs, Next.js/React interfaces, and CI/CD pipelines.
- Impact: Delivered a production-ready AI product foundation that improved clinical document review, supported laboratory automation, and made VR fleet deployment manageable across environments.
Tech: TypeScript, Next.js, Node.js, React, Java, Spring Boot, Python, PyTorch, TensorFlow, Docker, PostgreSQL, OpenAPI, GitLab, GitHub Actions.
Deepak M.
Last position:
Lead ML Platform Engineer at Billie GmbH
- Mentor team of 6 ML platform engineers through weekly 1:1s, technical design reviews, and best practices, improving team velocity by 35% through structured sprint planning and skill development programs
- Define 2025–2026 ML platform roadmap in collaboration with Data Science, Cloud Engineering, and Product teams, prioritizing automated model governance, cost attribution systems, and multi-environment deployment strategies
- Partner with Data Science, SRE, and Product stakeholders to align ML platform capabilities with business objectives, reducing data scientist deployment friction by 60% through self-service platforms
- Architect and deliver production-grade MLOps platform supporting 50+ models in production with automated promotion pipelines, versioning, and rollback capabilities, achieving 99.5% platform uptime SLA
- Design distributed ML pipeline architecture using Metaflow and Argo Workflows (Vertex Pipelines-compatible), reducing model training time by 30% and deployment cycles from 2 weeks to 3 days through full CI/CD automation
- Build containerized ML services on Kubernetes with auto-scaling policies, resource quotas, and multi-tenancy isolation, optimizing infrastructure costs by $180K annually (25% reduction)
- Implement monitoring, alerting, and performance tracking using Prometheus, Grafana, and custom instrumentation, reducing model debugging time by 50% and establishing model performance SLOs
- Lead development of RAG-based document intelligence platform using LangChain, LangGraph, and vector databases, implementing agentic AI workflows for automated financial document processing
- Implement Infrastructure-as-Code using Terraform for reproducible environment provisioning and GitOps workflows, reducing infrastructure drift incidents by 80%
- Design role-based access control for ML platform, implement model lineage tracking, and establish audit trails for regulatory compliance aligned with enterprise IAM best practices
Sebastian S.
Last position:
Group Product Manager – Digital Platform Discovery at SPREAD.AI
- Developed and implemented organization-wide discovery framework based on Ulwick’s Outcome-Driven Innovation; enabled 7 Product Owners to systematically identify and quantify unrealized value through shared outcome language and opportunity scoring methodology
- Transformed Product Owner role from backlog clerks to strategic experimenters; established dedicated time budget for autonomous hypothesis testing and discovery activities
- Rebuilt customer journey maps to start at actual user need (tool selection phase) instead of platform entry point; eliminated manual data aggregation work previously done by project teams
- Implemented OKR framework across 4 product teams; defined quarterly objectives with measurable key results (e.g., 40% reduction in manual integration effort, self-service adoption increase)
- Unified 3 separate platform roadmaps through cross-team dependency mapping and shared service agreements
- Supported enterprise sales cycle with ROI modeling and technical due diligence for automotive and defense customers
Louis G.
Last position:
Freelance Solutions Architect and Machine Learning Engineer at Self-employed
- Develop and demonstrate solutions using GenAI software like langchain, vercel ai sdk, copilotkit
- Work with customers to understand their challenges and provide the best solutions based on open-source data products
- Build RAG and GraphRAG solutions using Neo4j, lancedb, and Postgres
- Deploy a LLMOps platform using kubernetes, terraform, helmfile, Arize phoenix, mlflow
- Architect and build data pipelines using dbt, Trino, Spark, Iceberg, Airflow, ArgoCD, terraform, kubernetes
- Delivered user-centred technical strategy for Agriculture 4.0 and precision livestock farming, helping my client secure funding from Bpifrance
- Delivered a prospecting tool for a leading French solar carport installer, using geospatial computing (GIS), speeding up the sales process
- Built digital twin architecture for solar carports and EV chargers, making real-time monitoring and smart charging possible
Karthikeyan R.
Last position:
Full-Stack Developer — Own Product at Self-employed
Java 21 · Spring Boot 3 · Keycloak · PostgreSQL · Docker · Nginx · GitHub Actions · DigitalOcean · React 18 · TypeScript · Plasmo
- Architected and shipped a production-ready Job Application Tracker end-to-end: REST API with 5-stage workflow, pagination, sorting, and dynamic filtering — full ownership from design to live cloud deployment on DigitalOcean.
- Implemented production-grade identity management: OAuth 2.0 / OpenID Connect / JWT / RBAC via Keycloak, applying Hexagonal Architecture and DDD principles.
- Built automated CI/CD pipeline (GitHub Actions); containerised with Docker; Nginx reverse proxy with path-based routing and SSL termination.
- Developed a Chrome Extension (Plasmo framework, Manifest V3) that auto-fills job applications directly from LinkedIn into the tracker — demonstrates full product thinking across backend API and browser client.
Tejasvi Y.
Last position:
Backend Engineer at N26
- Developed and maintained Kotlin-based microservices with Kafka event streaming, applying Hexagonal Architecture and Domain-Driven Design in production environments.
- Contributed to the Bring-Your-Salary feature, enabling seamless onboarding of new salary accounts and improving customer experience.
- Built and integrated services for the FPAD VOP platform, supporting secure and scalable partner integrations.
- Investigated and resolved production incidents through root cause analysis (RCA), implementing fixes that improved service stability and reliability.
Kaan D.
Last position:
IT Consultant at Tensora GmbH
Kalyani K.
Last position:
Assistant Vice President at Deutsche Bank
- Technologies: Java, React, Python, Scala, Spring Boot, JPA, microservices, Kubernetes, Docker, OpenShift, Eureka, Prometheus, Grafana, Zookeeper
- Led the design and development of enterprise wide data warehouse platform for efficient and secure data sharing using stateless, event-driven microservices architecture
- Served as component guardian and Scrum master for three microservices, ensuring seamless integration and maintaining high data integrity
- Optimized performance through Prometheus and Grafana, achieving measurable system resilience
Kenneth Foster A.
Last position:
Assistant Vice President- Portfolio Risk at Deutsche Bank
- Conducting counterparty credit risk (CCR) stress testing across a wide range of asset classes, including Listed Derivatives and Securities Financing Transactions (SFTs), ensuring alignment with regulatory requirements.
- Supporting the execution of regulatory stress testing frameworks such as CCAR (Federal Reserve), ECB (Europe), and MAS (Singapore) — including scenario design, results analysis, and full end-to-end coordination.
- Plays a key role in the governance and documentation process for CCAR submissions to the Federal Reserve, ensuring timely delivery, internal signoffs, control evidence, and clear audit trails in line with regulatory expectations.
- Maintains comprehensive, audit-ready documentation for CCAR model assumptions, methodologies, and results interpretation, serving as a point of contact for internal and external audits as well as regulatory reviews.
- Acting as a key liaison during internal and external audits and regulatory reviews, preparing evidence packages, responding to queries, and addressing findings related to CCR stress testing.
- Presenting final stress testing results and key risk drivers to senior management and risk committees to secure executive approval and sign-off prior to regulatory submission.
- Analyzing credit exposure under stress across derivatives and SFT portfolios, identifying and explaining significant drivers.
- Participating in the review and enhancement of CCR methodologies, working closely with Risk Models, Front Office, Regulatory Reporting, and Technology teams.
- Development, implementation and automation of risk reporting infrastructure, improving transparency and controls across the CCR stress testing process.
Robert H.
Last position:
Senior Software Engineer at Zalando SE
Konstantin K.
Last position:
.NET Senior Full-stack Software Developer at DINA Elektronik GmbH
- Tech-Stack: C#, XAML, WPF, MongoDB, Azure Cloud, Azure DevOps, Resharper, Rider, OAuth2.0, REST, XUnit, NSubstitute, FluentAssertions
- Designed and implemented the IO architecture for improved data flow and efficiency.
- Developed a new desktop application from scratch, improving user experience and functionality.
- Led the implementation of daily stand-ups, software refinements, retrospectives, and project planning.
- Wrote unit and integration tests to ensure code quality and stability.
- Conducted code reviews and mentored junior developers.
- Played a key role in the company's digitalization efforts.
- Managed a team of 4 software developers, providing leadership and direction.
Mario E.
Last position:
Developer and Consultant at Freelancer
Discover over 15,000 top freelancers
Statistics of experts using Neo4j
Aggregated from the professional profiles of matched freelancers.
Experience
15 years (Germany: 17 years)

Position duration
2.5 years (Germany: 2.2 years)

Positions per freelancer
7 (Germany: 10)

Top business areas
Information Technology, Product Development, Project Management

Top industries
Information Technology, Banking and Finance, Automotive

Certification focus areas
Information Technology, Product Development, Business Intelligence
Bachelor's degree or higher
100% (Germany: 96%)
Master's degree or higher
60% (Germany: 71%)

Certifications per freelancer
2 (Germany: 3)

Most common languages
English, German, Arabic

Speak two or more languages
92% (Germany: 97%)
Based on our profile pool as of 29 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Berlin are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows the share of experts charging within that range.
Average rates of experts in Berlin using Neo4j
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 29 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Neo4j experts industry focus
See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.
- Information Technology (92%)
- Banking and Finance (69%)
- Automotive (46%)
- Manufacturing (38%)
- Energy (31%)
- Media and Entertainment (31%)
- Professional Services (31%)
- Retail (31%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Graph database fundamentals
Neo4j is a native graph database built to store and query connected data. It represents information as nodes, relationships and properties, making paths and patterns central to the data model. Companies use it when connections matter as much as individual records, including recommendation engines, identity graphs and network analysis.
Cypher and data modeling
Cypher is Neo4j’s declarative query language for finding, creating and updating graph patterns. Strong professionals design clear property graphs, choose useful labels and relationship types, and plan constraints and indexes around real query paths. They also translate relational or event data into models that remain understandable as the system grows.
Ecosystem and tooling
Neo4j projects can include Aura, the managed cloud service, as well as self-managed deployments and integrations with common data tools. Relevant skills often cover Java, Spring Data Neo4j, Python, JavaScript, GraphQL, Kafka and cloud infrastructure. APOC procedures, the Neo4j drivers and Bloom support practical graph exploration and application delivery.
Where it fits
Teams bring in Neo4j expertise when connected data is difficult to represent or query efficiently in a relational design. Typical deliverables include:
- Recommendation and personalization features
- Fraud, risk and anti-money-laundering graph models
- Knowledge graphs and semantic search foundations
- Network, dependency and access analysis
- Data migration, graph analytics and API integration
When companies need specialists
Freelance expertise helps when a proof of concept must become a reliable service, when a graph model needs review, or when existing queries are hard to maintain. In Berlin, remote collaboration is common, while on-site workshops can help product, data and engineering teams agree on domain concepts. German and English communication may both matter in local organizations.
What strong professionals deliver
Effective Neo4j professionals connect domain questions to graph structures instead of forcing every problem into a visual network. They validate models with representative data, profile Cypher queries, secure access and plan backups, monitoring and scaling. They explain trade-offs between Neo4j, relational databases and search systems, then leave behind tests, documentation and maintainable deployment processes.
Frequently asked questions
Key details about Neo4j, drawn from the questions we get asked most.
Neo4j is used for applications where relationships are central to the answer, such as recommendations, fraud investigation, identity resolution, knowledge graphs and network analysis. It can expose connections and paths that are awkward to query in a purely tabular model.
Neo4j stores relationships as first-class data, while a relational database normally represents them through tables and joins. Neo4j is often a strong fit for deep, changing connections; relational systems may remain preferable for highly structured transactions, broad reporting or established operational workflows.
Neo4j focuses on traversing explicit relationships and evaluating graph patterns. A search engine is usually better for relevance-ranked text retrieval, while Neo4j suits connected questions such as how entities are linked, which routes exist and which shared attributes create risk.
A strong Neo4j freelancer usually combines Cypher and graph modeling with a programming language, data integration and cloud or infrastructure skills. Experience with Java, Spring Data Neo4j, Python, GraphQL, Kafka, APOC and the Neo4j drivers can be useful depending on the delivery context.
The right level depends on the work rather than a fixed career history. A small proof of concept may need a professional who can model a domain and write reliable Cypher, while a production migration or high-volume service calls for deeper skills in performance, security, operations and data quality.
Yes. Neo4j work is well suited to remote collaboration when data access, modeling decisions and review practices are organized clearly. Berlin teams may still prefer on-site sessions for domain workshops, and the freelancer’s German or English communication should match the stakeholders involved.
Ask a Neo4j specialist to explain the proposed graph model using real business questions, not only diagrams. Review Cypher readability, query plans, indexing choices, migration tests, security controls and operational documentation, and ask how the design would change as relationships and workloads expand.
Neo4j Aura is the managed cloud offering, so it changes the balance between database operations and application delivery. A professional should still understand backups, access control, observability, connectivity, data loading and performance, while knowing which operational tasks are handled by the service.
The average hourly rate of freelancers in Berlin, Germany who have used Neo4j in their recent projects is 90 €, which corresponds to a daily rate of about 719 € based on an 8-hour working day.
Of the freelancers in Berlin, Germany who have used Neo4j in their recent projects, 100% hold at least a Bachelor's degree and 60% hold at least a Master's degree.
On average, freelancers in Berlin, Germany who have used Neo4j in their recent projects have 15 years of professional experience, with a single engagement typically lasting around 2.5 years.
The most common languages among freelancers in Berlin, Germany who have used Neo4j in their recent projects are English (100%), German (92%), and Arabic (15%).
The most common industries among freelancers in Berlin, Germany who have used Neo4j in their recent projects are Information Technology (92%), Banking and Finance (69%), and Automotive (46%).
The most common business areas among freelancers in Berlin, Germany who have used Neo4j in their recent projects are Information Technology (100%), Product Development (92%), and Project Management (62%).
Main locations of FRATCH Experts, who have recently used Neo4j
Our freelancers and interim experts are at home across the DACH region — available on-site in the major business hubs or fully remote. Choose a location to discover matched specialists, local market insights and up-to-date availability.
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