Senior Full Stack Developer (d/w/m)

Position at Inxmail GmbH in Freiburg, Germany.

Employment Type: Permanent. Working Time: Full time. Hybrid work allowed.

We offer a flexible working environment with home office options, a permanent contract, fair compensation aligned with your qualifications, a yearly training budget, health and mobility benefits such as a Hansefit membership and JobRad leasing, and ergonomic workstations.

We are committed to diversity, equity, and inclusion and uphold a respectful, non-discriminatory workplace.

Responsibilities

Build new features for our email‑marketing platform.
Develop core components with Java, Spring, SpringBoot and React.
Extend our existing product to an API‑based near‑real‑time service featuring streaming and Webhooks.
Own the full lifecycle of feature delivery from technical concept to implementation.
Influence architecture decisions and propose innovative improvements.
Perform code reviews, pair programming, automated testing and use AI tools as part of the development workflow.
Analyze and resolve complex technical problems in third‑level support together with other teams.
Mentor and support junior colleagues and foster knowledge sharing.

Qualifications

Extensive professional experience with Java and strong knowledge of Spring, SpringBoot and React.
Proven experience developing modern web applications and clean REST APIs; SQL knowledge, preferably PostgreSQL.
Hands‑on experience in both backend and frontend development and handling complex legacy systems.
Strong quality focus and experience with automated tests, code reviews, and pair programming.
Enjoy working with AI‑based development tools.
Self‑driven, team‑oriented, and willing to share knowledge.
Ideally experience with Jenkins, Docker and Kubernetes.
Excellent German language skills.

About Inxmail

Inxmail builds a software platform for professional email marketing, enabling companies to create personal, legally compliant, and timely email communications. Our platform covers newsletters, transactional emails, event mailings, and automated campaigns, with seamless integrations into CRM, shop, and CMS systems.

With a focus on technical quality and deliverability, we ensure that emails reliably reach inboxes, protect sending domains, and accurately display brand logos. We also provide support for accessible email communications.

Founded in 1999, Inxmail counts more than 2,000 customers, including Audi, Vorwerk, CreditPlus, babymarkt, Heise Medien, and 1. FC Köln, among others.

Scope of activities: IT and software development.

Location: Wentzingerstraße17, 79106 Freiburg, Germany.

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