Senior Software Developer with PHP (m/f/d)
Confirmed on the employer's own hiring board on Nov 5, 2026. First seen by Alion on Nov 3, 2026. Deutsche Telekom IT Solutions Slovakia scores B on the Alion truth index.
Our brand Deutsche Telekom IT Solutions Slovakia entered the life of Košice region in 2006 under the name of T-Systems Slovakia and ever since has been inextricably linked with the region when became one of the founding members of Košice IT Valley. We have managed to grow from scratch to the second largest employer in the eastern part of the country with more than 3900 employees. Our goal is to proactively find new ways to improve and continuously transform into the type of company providing innovative information and communication technology services.
DigiHUB MARE is the way to the digital future!
One backend for multiple front ends
Uncompromising customer focus - Uncompromising IT
The DigiHub Mare is responsible for the development of applications for the end customers in Germany, the employees of Deutsche Telekom Technik, Deutsche Telekom Field Service and Deutsche Telekom Service and for technical solutions to support customer-side processes.
Purpose
Software Developer develops, designs and implements new or modified software products or ongoing business projects. The purpose of development is the automation of business processes and cross-platform solutions. Handles all phases of the software development lifecycle, especially for small or mid-sized solutions. Follows agreed methodology steps and rituals and takes responsibility for the produced code to independently deliver functional solutions within the team. Shares knowledge with less experienced colleagues. Documents and shares best practices. Constantly develops technical expertise and follows industry trends.
WHAT WILL YOU DO:
- Lead development of front-end interfaces and back-end logic for DTT
- Design and build front-end assistants (robots), interfaces (SOAP, REST), customer UIs and system overlays
- Work on applications and functionalities defined in tickets in cooperation with the steering team and Product Owner
- Analysis of the requirements and communication with internal stakeholders
- Use agreed programming languages and tools to develop automation solutions
- Creative approach to solving complex technical challenges
- Active participation in research & development projects
- Participate in code reviews and quality checks
YOU WILL SUCCEED IF YOU:
Have knowledge in:
- PHP 8+ and Object-Oriented Programming
- Symfony Framework (or similar, e.g. Laravel, CakePHP)
- PostgreSQL / MySQL / MariaDB
- JavaScript + TypeScript
- Tailwind CSS
- React
- Docker
- PHPUnit, Vitest
- Puppeteer / Selenium - Nice to have
- Python / C++ / Golang / Rust - Nice to have
Speak:
- English - Upper-Intermediate (B2)
- German - Nice to have
Other criteria or requirements:
- Several years of experience working in the IT industry
- Good knowledge and understanding of development principles like SOLID, DRY, KISS, YAGNI
- Advanced experience with programming and application design
- Experience with migration of legacy applications to new codebases and PHP versions
- Experience with asynchronous processing (cron jobs, queues)
- Experience with CI/CD pipelines - design, modification, debugging
- Good skills in integrating systems and applications
- Good experience with Git and GitLab
- Good understanding of cloud systems, DevOps concepts and tooling
- Willingness to learn and teach new technologies
- Being self-motivated and organized
- Solid communication skills (oral and written), and willingness to develop them further
We believe in balance between work and personal life. An attractive and extensive work-life balance portfolio guarantees lasting motivation for employees and thus a better quality of life, promotes physical and mental well-being and contributes to a positive work environment. All this with the aim of providing more freedom in reconciling work, career growth, private life and individual lifestyle. Therefore we offer to our employees over 25 different benefits to improve their personal and professional life in these areas:
- Financial benefits
- Benefits with focus on learning and development
- Benefits with focus on health and sport
- Benefits with focus on family and work - life balance
- Other benefits
For more information about our benefits click to Benefits
Salary
Final salary is negotiable.
We are offering base salary depending on seniority level and previous experience of candidate. In addition to base salary we provide variable part and other financial benefits. Base salary will not be lower than 3100€ /brutto.
Additional information
* Please be informed that our remote working possibility is only available within Slovakia due to European taxation regulation.