JWT Experts in Frankfurt
in minutes from over 15,000 CVs with the power of AI.Hire experts who design secure token flows, implement JSON Web Token authentication in APIs and apps, and connect JWT with OAuth 2.0 and OpenID Connect. Get fast, precise matching with vetted, available freelancers.
Meet FRATCH Experts in Frankfurt, who have recently used JWT
Ali Aminian
Last position:
Platform Engineer & Software Architect at Yatta GmbH
- Architected the Yatta Integration Layer – a config-driven integration platform on Java 25, Spring Boot 4 (WebFlux), Temporal, gRPC and Kafka, enabling new third-party integrations (e.g. AVS fulfillment) via declarative JSON configs with zero code changes.
- Designed and implemented Tink integration with 0Auth IBAN verification to enhance fraud prevention and account validation workflows with Adyen payByBank.
- Architected and implemented an OpenFGA-based authorization model for centralized management of users, groups, and fine-grained access control in the vendor portal.
- Architected and led delivery of the Yatta API Gateway platform using GraphQL Federation, providing a unified enterprise API layer across distributed microservices with centralized authentication, authorization and request orchestration.
- Replaced NGINX + NLB with Istio service mesh and AWS ALB; rolled out WAF, OAuth (Cognito), IP whitelisting and RBAC across environments.
- Migrated CDC from Confluent Cloud connectors to a self-hosted Kafka Connect + Debezium stack, reducing operational cost by ~80% across multiple environments.
- Implemented the Transactional Outbox pattern with Debezium for reliable, exactly-once event publishing to Kafka with Avro and Schema Registry.
- Migrated dunning/payment-recovery workflows from Airflow to Temporal, achieving 99.9% reliability for settlement handling.
- Optimised Apache Airflow with deferrable sensors to handle 1000+ concurrent DAG runs without scaling the worker pool.
- Refactored a monolithic Terraform codebase into 3 modular projects, cutting deployment time by ~45%.
- Stood up full observability with OpenTelemetry, Tempo, Prometheus and Loki; automated dev/staging/prod with ArgoCD, Image Updater and Helm.
- Collaborated with product, operations and engineering stakeholders to define scalable platform architecture and integration standards aligned with long-term business and operational goals.
Dilip Kumar Jena
Last position:
.NET Technical Lead & Application Architect at Hays AG
- Devised a new Domain-Driven Design architecture for a core system: reverse-engineered a central component, refactored the data-access layer to minimise database round-trips (improving scalability) and migrated processing to async.
- Decomposed the platform into independent .NET Core microservices (database-per-service) with RabbitMQ pub/sub using the Outbox Pattern + Saga choreography, behind an Ocelot API Gateway (JWT, rate limiting, CORS, health checks).
- Delivered on .NET Core / Angular / SQL Server / EF Core with Docker and Azure DevOps CI/CD; implemented health checks and CORS; contributes technical designs for stories in agile Scrum.
- Sole ADR owner; mentored 3 engineers and presented architecture decisions directly to the Director of Corporate IT.
Werner Keil
Last position:
Test Coordinator, Designer and Engineer at IBM
- Testing the SekIDP and related components
- Test design, execution and automation, microservices, GitHub Enterprise, Eclipse, Katalon Test Platform, API Testing, Confluence 8, JIRA/Xray, Draw.io, Swagger/OpenAPI, Postman, Docker, Kubernetes, Podman, PuTTY, E-Health, Telematik, Gematik standards, EPA, E-Rezept, sektoraler IDP, encryption, XaDES, PaDES, DICOM, HL7, FHIR, IHE, ICD, SSO, SAML/Shibboleth, OAuth, smartcards, JWT, two factor authentication Android and iOS, Wireshark, BrowserStack, Cypress, gRPC, REST, SOAP, WS-Security, Linux Shell, PowerShell, SSH/SSL, Java, Kotlin, Cordova, Gradle, Groovy, Python, TypeScript
Eduard Van Kleef
Last position:
Workshop Leader 'Introduction to AI Development Tools' at Software company in Wiesbaden
- Presentation introducing generic AI and large language models
- Explanation of legal frameworks (EU AI Act, US CLOUD Act, GDPR)
- Systematic review of AI tools along the SDLC and holistic systems
- Comparison of on-prem LLMs vs. cloud-based, as well as change management and works council
- Facilitated the discussion and derived next steps for introducing AI development tools
Igor Propisnov
Last position:
Senior Frontend Developer at Objego GmbH
Within the project, Objego's digital platform for real estate management was further developed.
Further development of various software modules within the application.
Continuous improvement and optimization of existing functionalities to enhance performance and user experience.
Design and implementation of unit tests to ensure code quality and stability.
Close collaboration with the QA team to quickly fix bugs.
Implementation of new features in coordination with stakeholders and end users.
Active member of the Scrum team with a focus on agile methods and continuous improvement of the software.
Technologies: Angular 16/17, Material, Angular CDK, Angular Elements, Nx, NgRx, NgNeat, NgX-Translate, NgX-Charts, NgX-Lottie, NgX-Markdown, Sentry, Azure AI Form Recognizer, Lodash, Dayjs, Flatpickr, Lottie-Web, Mixpanel, RxJS, Prettier, ESLint, Webpack, Cypress, Playwright, Jest, Husky, TypeScript, Node.js, Zone.js, Docker, Spring Boot, Git, Figma, Figma Token, Storybook, Jira, Confluence, Atlassian, Gitlab CI/CD, Codecov, Custom Design System, Mockoon.
Robert Barisic
Last position:
Lead Developer & Consultant at BIOCOM AG
Solo full-stack developer for upgrading a Rails 4 legacy application to Rails 7, including deployment setup via Capistrano and NGINX configuration
Delivered a custom admin dashboard with ChartJS reports, PDF generator and CSV batch importer via Administrate
Implemented new features for reporting, import, data management and GDPR compliance, redesigned core components
Discover over 15,000 top freelancers
Statistics of experts using JWT
Aggregated from the professional profiles of matched freelancers.
Experience
15 years (Germany: 17 years)
Position duration
1.7 years (Germany: 2.7 years)
Positions per freelancer
14 (Germany: 13)
Top business areas
Information Technology, Product Development, Project Management
Top industries
Banking and Finance, Information Technology, Healthcare
Certification focus areas
Information Technology, Business Intelligence, Operations
Bachelor's degree or higher
67% (Germany: 86%)
Certifications per freelancer
3
Most common languages
German, English, Spanish
Speak two or more languages
100% (Germany: 98%)
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 Frankfurt 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 Frankfurt using JWT
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
Token-based auth
JWT, short for JSON Web Token, is used to pass verified claims between systems without keeping a server session open. It is common in modern API authentication, single sign-on flows, and mobile apps that need simple, signed identity data.
Where it fits
- API access tokens for web and mobile clients
- Login and session handoff across services
- OpenID Connect and OAuth 2.0 flows
- Role and scope claims for access control
A strong JWT specialist knows when a token should be signed, when it should be encrypted, and when a session cookie is the better choice.
Common stack
JWT work often sits next to OAuth 2.0, OpenID Connect, SSO, and identity providers such as Auth0, Keycloak, Azure AD, or Cognito. The code may touch backend services, gateways, frontend clients, and edge checks that verify claims, expiration, issuer, and audience.
Signs you need help
- Tokens are accepted in the wrong services
- Logout or revocation is unclear
- Claims are too broad or inconsistent
- Key rotation and refresh logic need review
Companies in Frankfurt often bring in JWT experts when security reviews, identity projects, or multi-service systems need clean token handling without slowing delivery.
What strong experts do
Good professionals keep tokens small, use short-lived access tokens, protect refresh flows, and avoid putting sensitive data into claims. They also plan for clock drift, key rollover, token parsing errors, and clear failure paths so auth remains stable under load.
Delivery focus
In a real project, JWT work is rarely just one file or one endpoint. It usually includes login flows, validation middleware, claim design, access rules, documentation, and testing across local, staging, and production environments.
Frequently asked questions
What clients ask us most about JWT — answered in short.
JWT is used to carry trusted claims between a client and a service, usually for login and API access. Teams use it in web apps, mobile apps, and service-to-service flows when they want stateless authentication and clear token validation rules.
Yes. JWT is the common abbreviation for JSON Web Token, and that full name is what many security and identity discussions use. When people search for JWT, they usually mean signed token handling, claim validation, and expiration checks.
A JWT setup works well when multiple services need to validate identity without sharing server-side session state. Session cookies can still be better for simple browser-only apps, especially when you want centralized session revocation and less token handling in the client.
A strong JWT professional usually understands OAuth 2.0, OpenID Connect, identity providers, and API gateway patterns. They should also know how to manage signing keys, refresh tokens, claim design, and secure storage in browser or mobile clients.
A JWT project needs more than basic token parsing if it touches login, SSO, or microservices. The right expert should be able to explain claim structure, token lifetimes, audience checks, and failure handling in plain words.
Most JWT work can be done remotely because the key tasks are design, code review, and integration testing. On-site time in Frankfurt can help when the project involves security workshops, stakeholder alignment, or sensitive identity architecture discussions.
Look for someone who talks about expiry, issuer, audience, rotation, and revocation instead of just decoding tokens. A good JWT expert should also know the trade-offs of signed versus encrypted tokens and be able to spot weak claim design quickly.
Common JWT problems include long-lived tokens, weak key handling, missing audience checks, and putting sensitive data into claims. Another frequent issue is treating JWT as a full session system without a plan for logout, refresh, and revocation.
The average hourly rate of freelancers in Frankfurt, Germany who have used JWT in their recent projects is 110 €, which corresponds to a daily rate of about 883 € based on an 8-hour working day.
Of the freelancers in Frankfurt, Germany who have used JWT in their recent projects, 67% hold at least a Bachelor's degree.
On average, freelancers in Frankfurt, Germany who have used JWT in their recent projects have 15 years of professional experience, with a single engagement typically lasting around 1.7 years.
The most common languages among freelancers in Frankfurt, Germany who have used JWT in their recent projects are German (100%), English (100%), and Spanish (17%).
The most common industries among freelancers in Frankfurt, Germany who have used JWT in their recent projects are Banking and Finance (100%), Information Technology (100%), and Healthcare (67%).
The most common business areas among freelancers in Frankfurt, Germany who have used JWT in their recent projects are Information Technology (100%), Product Development (100%), and Project Management (83%).
Main locations of FRATCH Experts, who have recently used JWT
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.
Berlin 
Munich Request a free demo
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Philipp Thomaschewski
FRATCH CEO
