Amazon Cognito Expert in Berlin
in minutes from over 15,000 CVs with the power of AI.Hire experts who design secure user directories, implement OAuth 2.0 and SAML 2.0 federations, and integrate multi-factor authentication into cloud applications, matched quickly with our precise AI platform of vetted, available freelancers.
Meet FRATCH Experts in Berlin, who have recently used Amazon Cognito
Marina Kornilova
Last position:
Independent Software Developer at LILARAUM
- Independently designed, developed, published, and maintained mobile games for iOS and Android.
- Implemented application architecture, gameplay systems, UI, monetization, analytics, and platform integrations.
- Managed the complete release lifecycle, including testing, store publication, production monitoring, and iterative improvements based on analytics.
Vili Dhamo
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
Muhammad Zubair
Last position:
Sr. Mobile Developer at Firsty
- Worked on ideation phase through deployment; managed the team and implemented the core architecture
- Developed Firsty Travel eSim: native eSIM installation with a single click; seamless user authentication; real-time data synchronization; intuitive user interface design; advanced security protocols; integration with third-party services; high performance and scalability
- Developed WIO Business banking app: spend, save, invest, and control entire transaction process
- Technologies: Flutter, iOS, Android Studio
Mohamed Rwash
Last position:
Software Engineer at Clark
- Led the implementation of a critical backend initiative for the offer teasing feature, resulting in a 10% increase in users actively seeking counter offers.
- Contributed to high-impact features such as instant advice, customer ratings, and automatic contract switching, leading to increased user engagement and conversion rates.
- Built a gRPC service to integrate internal systems with the ERP platform, improving the reliability and observability of data exchange.
- Refactored parts of the legacy Ruby codebase into a more maintainable and scalable Elixir-based architecture.
- Delivered a greenfield project from concept to production on a new stack, integrating with internal services and managing infrastructure setup and deployment.
- Collaborated closely with the front-end team, product managers, and cross-functional team members to ensure the seamless integration of backend features, fostering effective communication and collaboration across disciplines.
- Stack: Ruby, Ruby on Rails, Elixir, OTP, Phoenix, REST, GraphQL, gRPC, PostgreSQL, AWS, Cognito, Lambda, SNS, SQS, Terraform, Helm, Docker, CI/CD, Grafana, Prometheus, Git, Agile Methodology.
Haseeb Ahmad
Last position:
Full Stack Ruby on Rails Developer at FINLINK
- Delivered MVP for strategic enterprise client including core Links banking APIs and interest rate calculations
- Integrated German banking APIs for automated credit checks
- Built lead distribution system that improved sales team efficiency by 40%
- Developed microservices architecture for mortgage offer generation from multiple banks
- Automated document verification process for customer KYC and income validation
- Implemented GDPR-compliant consent management for customer data protection
- Deployed and managed services using Kubernetes with custom YAML configurations
- Wrote comprehensive test coverage using Rspec ensuring code reliability
- Reduced customer onboarding time by 30% through workflow optimization
Robert Hänsel
Last position:
Senior Software Engineer at Zalando SE
Discover over 15,000 top freelancers
Statistics of experts using Amazon Cognito
Aggregated from the professional profiles of matched freelancers.
Experience
15 years
Position duration
2.5 years
Positions per freelancer
8
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Automotive, Banking and Finance
Bachelor's degree or higher
100%
Master's degree or higher
40%
Doctorate
20%
Certifications per freelancer
1
Most common languages
German, English, Arabic
Speak two or more languages
100%
Based on our profile pool as of 30 Aug 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 Amazon Cognito
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 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
About the technology
Cloud-native identity management and user pools
Amazon Cognito provides secure user directories that scale to millions of users. Specialists use it to handle registration, authentication, and account recovery without managing backend infrastructure. This service supports user sign-up and sign-in directly or through social and enterprise identity providers.
Essential components and integrations
Experienced professionals work with two main components: user pools and identity pools. They connect these systems with Amazon Web Services resources to grant users temporary credentials.
- Designing custom authentication flows with AWS Lambda triggers
- Configuring social sign-in with Apple, Google, and Facebook
- Setting up enterprise federation via SAML and OpenID Connect
- Implementing multi-factor authentication and adaptive security
When companies hire Amazon Cognito specialists
Organizations bring in external expertise when migrating legacy user databases to the cloud without downtime. Experts ensure secure transition paths and maintain session continuity during the cutover. They also step in when application teams need to implement complex authorization structures or meet strict security compliance standards.
The local context in Berlin
The tech ecosystem in Berlin relies heavily on cloud-native architectures for SaaS and fintech products. Local companies hire specialists to align identity systems with European data privacy rules, ensuring user pools store profile data securely in the AWS Frankfurt region. Experts in the city often collaborate in hybrid setups to align security schemas with local product teams.
Signs you need external expertise
If your internal team struggles with token verification or federation bugs, bringing in a specialist prevents security vulnerabilities.
- Users experience intermittent login failures across different devices
- Custom Lambda triggers fail to validate user registration metadata
- Mobile applications fail to refresh OAuth tokens securely
- Team requires expert review of IAM policies and trust relationships
Characteristics of strong cloud professionals
Top specialists possess deep knowledge of modern security protocols like OAuth 2.0, OIDC, and SAML. They write clean serverless code to customize authentication pipelines and debug token issues efficiently. Strong candidates understand how identity management affects the overall user experience and application latency.
Frequently asked questions
Not sure where to start with Amazon Cognito? These answers cover the essentials.
In Amazon Cognito, user pools act as your user directory, handling registration, authentication, and token generation. Identity pools, on the other hand, authorize users to access other AWS resources directly by granting temporary credentials.
When working with Amazon Cognito in Berlin, specialists configure the service to store user profiles within the Frankfurt AWS region. This setup helps businesses comply with strict European data sovereignty laws and GDPR requirements.
Yes, an experienced AWS Cognito professional can implement a migration strategy using a just-in-time migration pattern with Lambda triggers. This allows users to migrate seamlessly as they log in, avoiding forced password resets.
A strong Amazon Cognito specialist should be highly proficient in AWS Lambda, API Gateway, and Identity and Access Management. Knowledge of frontend frameworks and security protocols like OAuth 2.0 is also essential.
While security architecture alignment often benefits from initial face-to-face workshops in Berlin, most Amazon Cognito configuration and development can be performed entirely remotely.
You can evaluate candidates by asking about their experience with custom authentication challenges in Amazon Cognito and asking them to explain their approach to securing token storage in mobile and web applications.
Yes, Amazon Cognito supports federation with social identity providers like Google and enterprise systems via SAML. A specialist can unify these different login methods under a single user directory schema.
Most cloud projects involving Amazon Cognito in Berlin are conducted in English, as the technical documentation and global teams are English-speaking, though local regulatory discussions may occasionally benefit from German.
The average hourly rate of freelancers in Berlin, Germany who have used Amazon Cognito in their recent projects is 84 €, which corresponds to a daily rate of about 669 € based on an 8-hour working day.
Of the freelancers in Berlin, Germany who have used Amazon Cognito in their recent projects, 100% hold at least a Bachelor's degree, 40% hold at least a Master's degree, and 20% hold a doctorate.
On average, freelancers in Berlin, Germany who have used Amazon Cognito 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 Amazon Cognito in their recent projects are German (100%), English (100%), and Arabic (17%).
The most common industries among freelancers in Berlin, Germany who have used Amazon Cognito in their recent projects are Information Technology (100%), Automotive (50%), and Banking and Finance (50%).
The most common business areas among freelancers in Berlin, Germany who have used Amazon Cognito in their recent projects are Information Technology (100%), Product Development (100%), and Project Management (67%).
Main locations of FRATCH Experts, who have recently used Amazon Cognito
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.
Countries:
Berlin 
Hamburg Munich Cologne Frankfurt Stuttgart Dusseldorf Leipzig Dortmund Essen Bremen Dresden Hanover Nuremberg 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
