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# Senior Full Stack Developer

- **Company:** Döhler GmbH
- **Location:** Darmstadt, Germany
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), User Authentication, Software Quality, Code Review, Databases, Continuous Integration, Python (Programming Language), Object-Oriented Software Development, Systems Development Life Cycle, Software Engineering, Software Systems, TypeScript, ReactJS, Backend, Gitlab-ci, Front End Software Development, Api Design, Docker
- **Published:** August 27, 2026
- **Apply:** https://de.indeed.com/viewjob?jk=09f8689be884e0dc

## About the Role

* Several years of experience developing production-grade software solutions with Python and modern TypeScript/React applications
 * Strong hands-on expertise across the full software delivery lifecycle, from design and implementation to deployment, operations and continuous improvement
 * Sound understanding of software design and code quality, especially in object-oriented programming, testing, API design, database modelling, asynchronous workflows and integration patterns
 * Solid working knowledge of Docker, GitLab CI/CD and observability in day-to-day engineering practice
 * Ability to act as a technical point of reference, sharing knowledge and supporting others through reviews, pairing and technical exchange
 * A strong sense of ownership, sound engineering judgement and a collaborative, delivery-focused mindset

## Description

* Deliver complex end-to-end functionality across frontend, backend, APIs, data models and service integrations
 * Take technical ownership of high-quality solutions and set standards for architecture, code quality and sustainable software design
 * Support the team through code reviews, mentoring and pragmatic problem-solving in complex or ambiguous technical situations
 * Build and evolve reusable platform and integration capabilities, for example in authentication, API standards, CI/CD, observability and deployment
 * Investigate production issues in a structured way and derive meaningful improvements in reliability, performance, security and developer experience
 * Work closely with architects, product owners and relevant stakeholders to evaluate technical options and enable incremental, dependable delivery


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- [Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs)
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- [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape)
- [Nest.js - TypeScript in the backend can also be clean](https://www.wearedevelopers.com/videos/1033-nest-js-typescript-in-the-backend-can-also-be-clean)

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