Consultency focused on integration tasks, such as Salesforce integration, SAP integration as well as legacy ESB integration.
Building secure APIs and exposing those to B2B or B2C clients.

Founder

Providing integration consulting with the specialty focus on TIBCO technologies.
Also working on an internal product to improve observabilty throughout a whole TIBCO stack (project nJAMS).

Solution Architect

Used AWS in various project throughout the last years. Also took the professional and specialty certification to get a more wholesome picture of the ecosystem.

API integration is the core of most of my projects. It provides the groundwork to further application development.
Throughout the last years, I worked with multiple API Gateway providers such as AWS API Gateway, TIBCO Mashery, WSO2 API Gateway as well as WSO2 Ballerina to provide a good foundation for public interfaces.

Node, especially with the focus on serverless, plays an important role in todays tasks.
Most integrations use some kind of scripting, either provide the full API like with Express.js or just to use it as function layer (AWS Lambda).
Most event based system also integrate really will into this ecosystem.

I am a developer building integration solutions for the last 15 years with various technologies for B2B as well as B2C scenarios. Integrating SaaS stacks as well as building custom backends is the core of my work.

Jens Walter

Due to the current service landscape of the customer, we found that most commercially available API gateways are not prepared to provide its functionality across multiple regions/continents within a consolidated environment. Therefore we initiated this project to provide a basic API gateway (as a layer architecture) to provide API functionality internally as well as expose a certain subset publicly. All this was created on top of an existing ESB architecture, which also provided basic building blocks for deployment and monitoring.

Provide a regionally distributed API Gateway

Callable is a SaaS project which aims to provide a serverless integration for SAP systems.
It provides OpenAPI access to any SAP-based system through SAP-native mechanisms (SAP JCO). Through the transformation from SAP JCO types into restful interfaces, interacting with such systems is opened to a much broader audience. This system is completely built on serverless components to keep the offset cost at a bare minimum. The licensing also follows a pay-per-use model.

Callable.cloud

Exposing previously private interfaces to business partners, which allows them to request the necessary information to streamline the booking process. Those interfaces include schedule and routing information required for a decision making on the actual freight forwarder.
The project decided to implement this in the form of a public API within the AWS ecosystem.
AWS API Gateway was chosen to provide a secured endpoint.
AWS Lambda was chosen to implement a transformation into internal formats and routing into the company DMZ.
The On-premise stack consisted of a TIBCO ESB which we connected to AWS Lambda to transport the information to the backend.

Provide public API for internal booking system

Provide a monitoring software which integrates seamlessly into the TIBCO ecosystem (EMS, BW, AMX) to provide full end to end visibility of the running business processes. To achieve this, nJAMS inspects all payloads and transforms these into actionable log entries. Business rules can be applied to this dataset to further enhance the solution through third party systems (ticket systems, operations dashboards).

Personal details

Jens W.

Summary

Technical skills

Work Experience

Personal Projects