HKL BAUMASCHINEN GmbH | Germany | 22xxx, 21xxx, 20xxx Hamburg | Permanent position | Full time | Published since: 11.03.2026 on stepstone.de
Senior Developer FullStack (m/f/d)
We are looking for our location in Hamburg-Hummelsbüttel
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Your tasks • Your profile • What we offer
Development of OroCommerce instance with several webshops (Frontend & Backend) as a senior developer for the B2B customer In cooperation with Product Owner, you evaluate development requirements & advise strategically Work on an extensive code base, continuous improvement and refactoring, taking into account clean code principles Takeover of agency code: Planning & implementation of step-by-step takeover & stabilization Cooperation with external agencies Ensuring the performance and scalability of the components during deployment You are responsible for the stable operation of the application and design the deployment process and monitoring as well as test development & automation Technical conception & development of a B2B customer portal Contribution to improving products by sharing with community & partners Participate in the selection, professional leadership & mentoring of a junior developer Remarkable: Experience with OroCommerce (e.g. price logics, customer hierarchies, supply processes and integration of external systems (e.g. ERP, PIM, CRM, payment provider) Advanced Tech Stack in Microsoft Azur environment for API backends, WebApps (SPA) and Static Websites
Multiannual professional experience & very good knowledge in PHP or Symfony framework in productive projects, agile software development & work in complex, grown code bases Found SQL knowledge and experience with PostgreSQL & Database Design Experience with test automation Very good knowledge of HTML, CSS and JavaScript (modern JavaScript concepts) Good knowledge of REST- & SOAP-API and authentication (e.g. Oauth) Good communication skills for technical argumentation Stakeholder communication (PO & if necessary specialist areas)
Responsibility for product quality AI openness: for the use of AI-Coding assistants & knowledge about the responsible use of AI in software development Self-employed and structured working methods & lust for design freedom for working methods (e.g. for development and deployment tools) Very good knowledge of German and good English in word and writing
30 days holiday per year Holiday and Christmas money Funding by the HKL Academy Canteen Jobrad
Location
 | HKL BAUMASCHINEN GmbH | |
| 22339 Hamburg | ||
| Germany |
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