Firebase Experts in Berlin
matched in minutes by AIHire experts who create reliable mobile and web backends with Firebase Authentication, Cloud Firestore, Cloud Functions and Firebase Cloud Messaging. Work with vetted, available freelancers matched precisely to your needs.
Meet FRATCH Experts in Berlin, who have recently used Firebase
Alicja R.
Last position:
Senior Product Owner BFSG & UX – Web and App Booking Journey at AIDA Cruises
- Lead Product Owner role for the BFSG pilot journey “Search and Book” across web and app, focusing on digital accessibility, UX, conversion, and regulatory implementation.
- Created and prioritized the product backlog; derived user stories and acceptance criteria from legal standards (BFSG, WCAG 2.1)
- Developed a product vision that combines digital accessibility, user-centered UX, and conversion optimization for the booking journey
- Cross-stream release management and quality assurance across the entire web and app area, including go/no-go decisions, rollout, and user acceptance tests
- Coordinated and prioritized with Legal, Compliance, external BFSG consultants, UX, Development, Marketing, and Management
- Conducted user research as well as usability and accessibility tests (including screen readers and keyboard navigation) and prototyping with UX/UI
- Defined KPIs to measure accessibility, conversion, and user guidance
- BFSG pilot journey “Search and Book” successfully delivered: first accessible features rolled out and the foundation for a long-term BFSG-compliant booking journey established
- Established sustainable process integration through close collaboration with consulting partners and internal teams
Jorge N.
Last position:
Senior Developer at SafeXSmart KI Solutions UG
AI Platform Backend – Senior Developer
Brought in to design and build a backend for an AI platform from scratch, including multi-provider LLM orchestration and real-time infrastructure for AI influencer personas at scale.
Tasks and responsibilities
- Architecture and implementation of a multi-LLM orchestration layer with Semantic Kernel to integrate GPT-4 and other providers for core platform logic and AI influencer personas, reducing model-switching overhead by abstracting provider APIs behind a single interface.
- Design and development of a backend from scratch in C# / .NET 10, including domain modeling with DDD, a versioned RESTful API layer, and cloud infrastructure setup on Azure.
- Built a real-time chat infrastructure with Server-Sent Events (SSE), message persistence, and delivery guarantees for live operation of AI influencer personas at scale.
- Developed a media management service with integration of cloud object storage for upload and retrieval of influencer-generated content.
- Created an integration and unit test suite with data seeding for reliable regression testing across all core platform flows, significantly reducing production error rates.
Tools and technologies: C#, .NET, ASP.NET Core, Python, TypeScript, MySQL, Semantic Kernel, EF Core, Minimal APIs, LLM Orchestration, Prompt Engineering, Agentic AI, Generative AI, AI-Assisted Engineering, Claude Code, GitHub Copilot, Google Gemini, OpenAI API, Ollama, Redis, Azure, Azure Container Apps, Azure Database for MySQL, Docker, GitHub Actions, Clean Architecture, Vertical Slice Architecture, CQRS, Domain-Driven Design, REST API, xUnit, Integration Testing, Unit Testing, Jira, Confluence, Scrum
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
Alessandro L.
Last position:
Vue Frontend Engineer at Savills
- Savills is one of the world's leading property advisors with 700+ offices worldwide. In Berlin, I built core digital solutions for the valuation business, replacing legacy Access-based workflows with an enterprise-grade web app built on Vue.js.
- Frontend Architecture & Scalability: Designed scalable Vue + TypeScript frontend architecture for internal enterprise applications, integrating a Symfony backend and interactive maps.
- Legacy Modernization: Led the modernization of legacy jQuery-based systems into maintainable Vue-driven applications, improving performance, maintainability, and efficiency across business workflows.
- PDF Report Workflow Automation: Engineered Twig-based automated PDF generation pipelines that reduced manual report preparation time by ~80%, saving approximately 12h per analyst/month.
- Design System & Frontend: Built a scalable SASS-based design system using mixins, maps, functions, and reusable UI patterns for consistency and long-term maintainability.
Muzamal A.
Last position:
Data Scientist / AI Consultant at HelmX
- Delivered AI and data science solutions, including LLM-based chatbots and data pipelines, improving operational efficiency.
- Collaborated on product features, achieving measurable impact and maintaining strong client relationships.
Can S.
Last position:
Platform Engineer at ClimateChoice
In a lean, execution-focused environment, I took ownership beyond a narrow engineering lane, shaping and implementing systems across backend, data, and infrastructure. Partnered directly with the three founders in a fast-moving, high-stakes environment, turning strategic priorities into concrete technical decisions and production outcomes.
- Owned core platform development across backend (Django/Rest Framework/Postgres), ETL (Python/Dagster), infrastructure (Terraform/Kubernetes/AWS), and frontend (typescript/react) for a climate-tech SaaS product, driving continuous cross-stack development across five repositories from October 2021 to this day.
- Architected and owned a standalone internal Python scoring framework for CRC assessments, using YAML-driven rules and metaprogramming to enable non-technical users to define complex evaluation logic without hardcoded implementations.
- Built and stabilized ETL and scraping pipelines using Dagster and Scrapfly, improving document ingestion, tagging, retry behavior, deployment flow, and operational resilience.
- Contributed to platform modernization and reliability through Django/Python upgrades, Postgres/RDS and EKS changes, CDN/TLS updates, test and performance improvements, and observability hardening.
- Drove backend engineering for product features, translating requirements into technical specifications, API contracts, data structures, and scalable implementation plans.
Cristian P.
Last position:
iOS-Teamleiter at Qlaunch Gmbh
- Contributed to the architecture design process, leading to scalable and maintainable solutions for complex projects
- Improved app performance through code optimization and implementation of efficient algorithms
- Led a team of iOS developers to complete projects on time and achieve customer satisfaction
- Implemented core design plans into complete iOS app frameworks and delegated project components to corresponding team members
- Key project: City Guide ([link]
Mario J.
Last position:
Architect / Developer at handyhase
- Overhaul of the entire design and implementation of new UI/UX aspects using React
- Planning of the software architecture and structuring of the project for long-term scalability using Git for version control
Qaiser A.
Last position:
Freelance Lead DevOps Engineer at Schwarz Gruppe Produktion
Bootstrapping a CloudOps team and building a multi-cloud provider backend for a low-code Internal Developer Platform (IDP) with env zero
Introducing user story mapping, ADRs, milestones, and backlog management
Designing and developing core APIs, setting up CI/CD pipelines, OpenTofu/Terraform scripts
Representing and communicating the team with third-party stakeholders (e.g. env zero)
(Cross-)team coaching on DevOps, software design, Terraform, Golang, and agile practices
Viktor S.
Last position:
AI Engineer (Freelance) at Empion
Enterprise AI content categorization and AI-powered web research.
- Built multi-LLM evaluation framework with annotated data
- Iterated LLM error rates based on annotated datasets
- Implemented AI-powered web research pipeline Stack: LLM, evals, OpenRouter, Python, Node.js, TypeScript, React
Steven M.
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
Julien L.
Last position:
MLOps Engineer at SAMGEN
- Building and scaling cloud infrastructure on GCP to support a SaaS platform for industrial clients
- Designing and implementing a data-driven DevOps pipeline for streamlined deployment and CI/CD workflows
- Collaborating with Data Science team on MLOps workflow to automate integrated retraining
Matthias Z.
Last position:
Senior Flutter Developer at Materna
- Developed a Flutter app for eID ID card logins
- Focus: Flutter, iOS, eID, AusweisAppSDK, Mason, Keycloak, Agentic Coding, Arc42, Jenkins
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
Fikret A.
Last position:
Senior Product Manager at Enocta
- Executing the roadmap for LMS/LXP platform with 550+ enterprise clients and 4+ million users
- Led the 0-to-1 development of a conversational AI role-play product with the AI team
- Led GTM for the AI Roleplay, creating a new ARR stream, acquiring 15+ enterprise customers in Q1
- Led the development & GTM of a conversational AI Mentor product
- Serving on the strategic leadership team, contributing to long-term product and business strategy
Discover over 15,000 top freelancers
Statistics of experts using Firebase
Aggregated from the professional profiles of matched freelancers.
Experience
13 years (Germany: 14 years)
Position duration
1.5 years (Germany: 1.7 years)
Positions per freelancer
10
Top business areas
Product Development, Information Technology, Quality Assurance
Top industries
Information Technology, Media and Entertainment, Retail
Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
96% (Germany: 88%)
Master's degree or higher
50% (Germany: 51%)
Certifications per freelancer
1 (Germany: 2)
Most common languages
English, German, Turkish
Speak two or more languages
93% (Germany: 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.
Discover detailed Firebase rate benchmarks:
Explore rate insightsAverage rates of experts in Berlin using Firebase
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.
Firebase 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%)
- Media and Entertainment (45%)
- Retail (45%)
- Healthcare (38%)
- Banking and Finance (34%)
- Automotive (31%)
- Professional Services (31%)
- Telecommunication (31%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What Firebase does
Firebase is Google’s managed application platform for building and operating mobile and web products. It provides backend services without requiring a company to run every server component itself, including authentication, databases, storage, messaging, hosting and application monitoring. Teams use it for prototypes, customer-facing products and connected application features.
Core services
The ecosystem combines services that cover the full application lifecycle:
- Firebase Authentication for email, social, phone and custom sign-in flows
- Cloud Firestore and Realtime Database for synchronised application data
- Cloud Storage for user-generated files and media
- Cloud Functions for event-driven backend logic
- Firebase Cloud Messaging for notifications and Firebase Hosting for web delivery
Typical projects
Firebase specialists support products where fast delivery, real-time behaviour and managed infrastructure matter:
- Mobile applications with secure accounts and synchronised data
- Progressive web apps and customer portals
- Chat, collaboration and live status features
- MVPs that need a production-ready backend foundation
- Notification, analytics and release workflows for app teams
Skills around Firebase
Strong work with Firebase goes beyond configuring a console. Professionals design Firestore data models, security rules, authentication flows and Cloud Functions with clear boundaries. They often bring experience with JavaScript or TypeScript, React, Angular, Flutter, iOS or Android, as well as Google Cloud services, REST APIs and CI/CD pipelines.
When to hire specialists
Companies bring in freelance Firebase expertise when a product needs a rapid backend build, a troubled data model needs restructuring or a mobile release requires dependable support. A specialist can also review security rules, reduce unnecessary reads and writes, connect Firebase to an existing backend, or prepare a migration away from tightly coupled services. In Berlin, teams may choose on-site workshops, remote delivery or a hybrid setup depending on product and communication needs.
What quality looks like
Reliable professionals treat Firebase as part of a wider system rather than a shortcut around architecture. They document access rules, separate client and trusted server operations, test Cloud Functions and plan backups, observability and cost controls. They can explain when Firestore, Realtime Database or another Google Cloud service fits the use case, and they leave maintainable code, clear deployment processes and secure environments behind.
Frequently asked questions
What clients ask us most about Firebase — answered in short.
Firebase is used to build mobile and web applications with managed services for authentication, databases, file storage, notifications, hosting and backend logic. It is especially useful for real-time features, rapid product launches and teams that want to reduce infrastructure management.
Firebase provides ready-made backend capabilities, which can shorten delivery and reduce operational work. A custom backend may offer more control over data processing, infrastructure and complex business rules, so the right choice depends on scale, compliance needs, integrations and the team’s long-term architecture.
A strong Firebase specialist usually understands JavaScript or TypeScript, Cloud Functions, Firestore data modelling and security rules. Useful adjacent skills include React, Flutter, native mobile development, Google Cloud, API design, automated testing and CI/CD.
The required depth depends on the work. A simple prototype may need someone familiar with Authentication and Firestore, while a production system needs proven skill in security rules, data modelling, monitoring, testing, migrations and integration with external services.
Firebase work is well suited to remote collaboration because configuration, code review, testing and deployments can be handled online. Berlin companies can work remotely or combine remote delivery with on-site workshops, provided communication, access controls and release ownership are agreed early.
Ask a Firebase specialist to explain the data model, security rules, failure handling and deployment process in practical terms. Review test coverage, environment separation, logging, backup plans and how the design controls unnecessary database operations.
Firebase can support substantial applications when its services are designed carefully and paired with suitable Google Cloud components. Complex products may still need dedicated services for intensive processing, advanced search, reporting, transactional workflows or strict control over infrastructure.
Freelancers working with Firebase commonly deliver authentication flows, Firestore migrations, Cloud Functions, push notifications, hosting setups and security reviews. They may also connect Firebase to payment systems, analytics tools, existing APIs and mobile release pipelines.
The average hourly rate of freelancers in Berlin, Germany who have used Firebase in their recent projects is 83 €, which corresponds to a daily rate of about 667 € based on an 8-hour working day.
Of the freelancers in Berlin, Germany who have used Firebase in their recent projects, 96% hold at least a Bachelor's degree and 50% hold at least a Master's degree.
On average, freelancers in Berlin, Germany who have used Firebase in their recent projects have 13 years of professional experience, with a single engagement typically lasting around 1.5 years.
The most common languages among freelancers in Berlin, Germany who have used Firebase in their recent projects are English (100%), German (86%), and Turkish (14%).
The most common industries among freelancers in Berlin, Germany who have used Firebase in their recent projects are Information Technology (100%), Media and Entertainment (45%), and Retail (45%).
The most common business areas among freelancers in Berlin, Germany who have used Firebase in their recent projects are Product Development (100%), Information Technology (86%), and Quality Assurance (59%).
Main locations of FRATCH Experts, who have recently used Firebase
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 Request a free demo
Get in touch with the FRATCH team and we will get back to you within 4 hours.
Would you rather directly get in touch?
We always have the time for a call or email!
Philipp Thomaschewski
FRATCH CEO
