Postman Expert in Berlin
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Meet FRATCH Experts in Berlin, who have recently used Postman
William N.
Last position:
Power BI Solutions Architect/Engineer & AI Consultant at AVERDUNG GmbH
- Redesign of the company's BI infrastructure: replacement of a fragmented landscape of manually maintained Excel solutions and CSV imports with a centralized Power BI environment featuring a unified data model as the company-wide single source of truth
- Consolidation of previously isolated reporting logic into a central semantic model – eliminating redundant files, manual data transfers, and inconsistent metrics between departments
- Forecasting & planning: Design and implementation of company-wide liquidity planning in Power BI – from business logic to a fully automated, data-source-driven planning model replacing the previous manual Excel process; enables rolling forecasts and continuously up-to-date cash flow transparency for management
- Optimization of existing Power BI dashboards in terms of performance, structure, and analytical value using an AI-native approach
- Analysis and improvement of the data model, including data quality analyses, data cleansing, and consistent modeling using star schema, DAX, and Power Query
- Incident & anomaly analysis: Identification, investigation, and explanation of data anomalies, including root-cause analysis and concrete recommendations for action
- AI solution architecture: Connecting Business Central and Power BI to LangDock via MCP (Model Context Protocol) for AI-supported data usage
- Creation of a historical data layer as a basis for trend and time-series analyses
- AI-supported automation: Design and development of AI skills, agents, loops, and processes for the automated analysis and interpretation of reports
- Automated reporting workflow: Setup of scheduled, automated email distribution of AI-generated analyses and recommendations to stakeholders
- Gathering and documentation of business requirements and coordination with business departments and IT as part of requirements engineering / product owner activities
- Breaking down overall requirements into clearly defined work packages and tasks
- Definition, prioritization, and management of milestones throughout the entire project lifecycle
Tools: POWER BI, M365, Copilot Studio, MIRO, Microsoft Business Central, Microsoft Fabric, Claude AI, ChatGPT, LangDock, MS VS Code
Hubertus S.
Last position:
Senior Product Manager AI
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.
Aruldass A.
Last position:
Web Module Lead at Mphasis Limited
- Led the end-to-end delivery of enterprise full-stack web applications by driving requirement analysis, solution design, frontend and backend development, database design, API integration, code reviews, team coordination, Agile execution, CI/CD deployments, production support, performance optimization, security implementation, and stakeholder collaboration to deliver scalable, high-quality software solutions.
Murad H.
Last position:
Founder & Technical Lead at Hubpoint.Ai
- Founded an AI-powered scheduling and business-management SaaS for SMBs, owning technology strategy, architecture, product development, UX, billing and go-to-market execution.
- Architected and shipped a multi-tenant platform with REST APIs, RBAC, CRM, billing and notifications, powering the manager dashboard, admin console, booking experience and iOS/Android applications.
- Led and mentored 7 software engineers, 1 DevOps engineer, 1 QA engineer and 1 UX/UI designer, while remaining hands-on across backend, frontend and product delivery.
- Built AI voice and chat agents using Python/FastAPI, OpenAI and Anthropic APIs, RAG, pgvector and tool calling; integrated Twilio, Google Calendar/Meet, Stripe and Firebase.
- Owned production infrastructure and automated delivery across separate environments using Docker, Nginx, GitHub Actions and Grafana; represented the company at accelerators and international startup events.
Selected stack: Python, FastAPI, Node.js, Vue 3, React/Next.js, React Native, PostgreSQL, Redis, Docker
Abed D.
Last position:
Co-Founder, Product Manager at HODL It!
- Cut first-30-day post-subscription churn 45% to 20% by revamping onboarding and optimizing time-to-value.
- Drove 3x LTV in 6 months through retention and monetization experiments across the customer lifecycle.
- Owned app redesign and feature delivery leading to lifting active-user NPS from 6.3 to 8.5.
Imran A.
Last position:
Software Engineer II at LivePerson Germany GmbH
- Led development of 15+ microservices (Java 17, Spring Boot) driving customer interactions; migrated from on-prem to GCP Kubernetes, improving scalability and reducing infra cost by 20%.
- Optimized user services with CouchDB caching and API refactoring, cutting response times by 35% and enhancing customer experience.
- Implemented canary deployments, FluxCD GitOps, and CI/CD optimizations in GitLab, reducing release lead time by 25% and enabling zero-downtime rollouts.
- Set up Grafana health checks and Anodot alerts for latency, error, and throughput monitoring, reducing MTTR by 40%.
- Built secure APIs using OAuth2, DPoP, and Gatekeeper, integrated REST and GraphQL, and achieved 90%+ test coverage with unit and E2E tests.
- Mentored junior developers, promoted Agile best practices, and collaborated cross-functionally to deliver high-impact, reliable customer-facing features.
Ola V.
Last position:
IT Lecturer
- IT training in theory and practice for IT specialists in application development and system integration
Unnikuttan V.
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
Steffen S.
Last position:
Senior Technical PM, CRM Core Experience & AI at Propstack GmbH (Scout24 S.E.)
- Built a JTBD-based prioritization framework for 3,000+ accumulated feature requests, identified 27 broker jobs, validated 8 through 25 user interviews, and used the resulting job map as a live prioritization filter for all incoming channels (Upvoty, CSAT, consulting tickets).
- Responsible for the Scout24 Lighthouse initiative: Document Intelligence with full RAG architecture (semantic chunking, bge-m3 embeddings, pgvector, BM25+Dense hybrid retrieval).
- Reduced lead time of customer feature requests to 3.1 days through code analysis, ticket specification, and independent implementation using a coding agent (Codex).
- Developed an LLM-based support agent (GPT-4o mini, Codex-generated merge requests) that reduced 3rd-level escalations from 40% to 5% of all monthly tickets.
- Integrated six partners through technical coordination, specification, backlog and release management, and led seven full stack developers.
- Eliminated regulatory exposure for brokers in six weeks through risk analysis (BGH ruling on distance selling/GDPR), new audit features, and coordination with legal and data protection officers.
Vili D.
Last position:
Technical Lead, Data Engineer at Mercedes-Benz Consulting
- Optimized the data architecture (medallion) to better decouple processing stages and improve transparency and reproducibility
- Ensured technical quality of data processing in Databricks by introducing schema enforcement, data quality checks and a structured data architecture
- Orchestrated pipelines with Azure Data Factory
- Professionalized and automated the development and deployment process by integrating Git and GitHub Actions
- Led the Data Engineering team (3 members) in a functional role
- Conducted workshops to optimize and stabilize the data platform and the development process
- Collected and prioritized new requests, maintained the product backlog
- Technologies: Microsoft Azure (Data Lake, Data Factory), Databricks, Apache Spark (PySpark), Python, SQL, Git, Confluence, Power BI, Power Apps, Dataverse, MS SharePoint, Mural
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.
Niharika G.
Last position:
Staff Product Lead - Pricing & Insight at University of Illinois Urbana-Champaign
Nikhil K.
Last position:
Head of Product (Contract) at illuminem
- Leading product strategy and platform development for B2B sustainability solutions.
Ayodeji E.
Last position:
Product Lead, Strategy and Operations at Skilladder AI
- Engineered and delivered a full-stack assessment platform from prototype to production, now the company’s primary product, using AI tools to build a multi-tenant dashboard.
- Cut assessment deployment time by 85% (from weeks to 24 hours) by building a template-based system with built-in scoring, proctoring, and participant management.
- Grew platform adoption to 6 recurring enterprise clients by owning the full product lifecycle: research, requirements, design, and hands-on development.
Abhilasha S.
Last position:
Advisory Board at Intersteller Consulting GmbH
- Holds an advisory role in this startup on providing guidance on use of AI in product management to use Jira AI
- Working on real-world applications of AI tools like ChatGPT, Visual Studio, Augment, and Synthesia to enhance product management and user communication
Discover over 15,000 top freelancers
Statistics of experts using Postman
Aggregated from the professional profiles of matched freelancers.
Experience
13 years (Germany: 16 years)
Position duration
1.7 years (Germany: 1.8 years)
Positions per freelancer
9 (Germany: 12)
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Banking and Finance, Automotive
Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
100% (Germany: 93%)
Master's degree or higher
66% (Germany: 59%)
Doctorate
3% (Germany: 6%)
Certifications per freelancer
2 (Germany: 3)
Most common languages
German, English, Hindi
Speak two or more languages
97%
Based on our profile pool as of 19 Sep 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology in Berlin are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows how many freelancers charge within that range.
Average rates of experts in Berlin using Postman
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 19 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Postman 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 (100%)
- Banking and Finance (50%)
- Automotive (36%)
- Education (36%)
- Healthcare (33%)
- Media and Entertainment (28%)
- Professional Services (28%)
- Transportation (25%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
API development and testing
Postman is a collaboration environment for designing, sending, testing and documenting APIs. Teams use it to inspect requests, validate responses and share repeatable workflows across development, quality assurance and product work. Its collections make API behavior visible before an integration reaches production.
Collections and workflows
Postman collections group requests, variables, authentication settings and example responses into reusable assets. Professionals use environments to switch between local, test and production services while keeping configuration controlled. Collection Runner, scripts and scheduled runs support repeatable checks for REST APIs and other HTTP services.
Integrations and tooling
Postman fits into a wider API delivery toolchain and connects with common engineering workflows.
- Build collections for REST, GraphQL and webhook interfaces
- Write pre-request and test scripts with JavaScript
- Connect checks to CI pipelines and release processes
- Publish reference documentation and mock responses
- Work with OpenAPI definitions and imported API schemas
When companies need specialists
Companies bring in freelance Postman specialists when an API estate is growing, test coverage is inconsistent or integration teams lack a shared workflow. They may need help turning informal requests into maintainable collections, introducing contract checks or preparing clear documentation for internal and external consumers. In Berlin, this work often supports product, commerce, fintech and software teams working across on-site and remote groups.
What strong professionals deliver
A strong professional understands HTTP methods, status codes, headers, authentication and payload formats, not just the Postman interface. They create readable collections, isolate environment data, handle token refresh safely and write assertions that expose meaningful failures. They can also explain trade-offs between Postman, command-line tools and dedicated test frameworks.
Choosing the right expertise
Look for evidence of API testing, integration delivery and versioned collection maintenance. Ask how the professional handles secrets, unstable test data, asynchronous endpoints and failures in CI. Relevant adjacent skills include OpenAPI, JavaScript, OAuth, JSON, Git and pipeline tooling. Clear documentation and a practical review of an existing collection are useful signs of quality.
Frequently asked questions
Before you brief your next project: the most common questions about Postman.
Postman is used to send API requests, inspect responses and organize repeatable checks. Companies also use it to create documentation, mock endpoints, share collections and validate integrations before release.
Postman offers a broad workspace for collections, environments, scripts, documentation and collaboration. Insomnia and cURL can be a better fit for lightweight request work or command-line automation, while Postman is often chosen when teams need a shared API workflow.
A strong Postman freelancer should understand HTTP, JSON, REST, GraphQL and authentication methods such as OAuth. JavaScript scripting, OpenAPI, Git and CI tooling are also valuable when API checks must run beyond the desktop workspace.
The right Postman experience depends on the project scope and the state of the API. A simple collection needs focused API testing knowledge, while shared standards, scripted checks, documentation and CI integration call for deeper experience with delivery workflows.
Postman work is well suited to remote collaboration because collections, environments and documentation can be reviewed asynchronously. Berlin teams should agree on communication routines, repository access, security rules and whether German or English is required for workshops and documentation.
Postman can cover many API validation and regression tasks, especially when collections run through automation or a pipeline. It may not replace a dedicated framework when a project needs complex fixtures, extensive code structure, specialized reporting or tightly integrated application tests.
Typical Postman deliverables include organized collections, environment templates, safe variable handling, test scripts and clear API documentation. Depending on the brief, the professional may also provide mock servers, pipeline execution, review notes and guidance for maintaining the assets.
Review whether the Postman professional uses meaningful assertions, separates secrets from shared assets and designs collections that others can understand. Ask for examples of failure handling, token management, test-data strategy and how API checks were connected to a wider release process.
The average hourly rate of freelancers in Berlin, Germany who have used Postman in their recent projects is 75 €, which corresponds to a daily rate of about 596 € based on an 8-hour working day.
Of the freelancers in Berlin, Germany who have used Postman in their recent projects, 100% hold at least a Bachelor's degree, 66% hold at least a Master's degree, and 3% hold a doctorate.
On average, freelancers in Berlin, Germany who have used Postman in their recent projects have 13 years of professional experience, with a single engagement typically lasting around 1.7 years.
The most common languages among freelancers in Berlin, Germany who have used Postman in their recent projects are German (97%), English (97%), and Hindi (17%).
The most common industries among freelancers in Berlin, Germany who have used Postman in their recent projects are Information Technology (100%), Banking and Finance (50%), and Automotive (36%).
The most common business areas among freelancers in Berlin, Germany who have used Postman in their recent projects are Information Technology (100%), Product Development (97%), and Project Management (64%).
Main locations of FRATCH Experts, who have recently used Postman
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.
Hamburg 
Munich 
Cologne 
Frankfurt 
Stuttgart 
Dusseldorf 
Essen Countries:
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Philipp Thomaschewski
FRATCH CEO
