Experis to światowy lider rekrutacji specjalistów i kadry zarządzającej w kluczowych obszarach IT. Z nami znajdziesz konkurencyjne oferty zatrudnienia oraz ciekawe projekty IT skierowane zarówno do ekspertów z wieloletnim doświadczeniem, jak i osób, które dopiero zaczynają swoją przygodę w branży IT. Start Date: ASAP / Within 1 Month / Flexible Work Model: Hybrid  30/70 - (office in Warsaw, Wroclaw, Katowice, Poznań, Gdańsk, Lublin, Opole) Contract Type: B2B (190 - 220 PLN/h + VAT) We are seeking an experienced Exstream Developer to join our team and deliver high-quality, multi-channel document solutions. This role involves designing and implementing complex document composition workflows using OpenText Exstream, integrating enterprise systems, and modernizing legacy templates.    Responsibilities Design and implement multi-channel document solutions using OpenText Exstream. Integrate enterprise systems and core business applications. Modernize legacy templates using Exstream frameworks. Automate pipelines with Jenkins and Apache Groovy. Optimize performance and troubleshoot complex issues. Expectations Strong understanding of document architecture and composition. Proficiency in data interchange formats (XML, JSON). Hands-on experience with OpenText Exstream scripting and document composition. Familiarity with related tools such as DocuShare and Eloqua. Experience with RESTful API development and pipeline automation. Excellent communication skills in English (spoken and written). What We Offer Medicover healthcare package Multisport card Access to an e-learning platform Group life insurance