Senior Developer - Fullstack

DeutscheTelekomITSolutions

Budapest, , Hungary Hybrid permanent

Posted: February 25, 2026

Required Skills

Job Description

The largest ICT employer in Hungary, Deutsche Telekom IT Solutions (formerly IT-Services Hungary, ITSH) is a subsidiary of the Deutsche Telekom Group. Established in 2006, the company provides a wide portfolio of IT and telecommunications services with more than 5000 employees. ITSH was awarded with the Best in Educational Cooperation prize by HIPA in 2019, acknowledged as one of the most attractive workplaces by PwC Hungary’s independent survey in 2021 and rewarded with the title of the Most Ethical Multinational Company in 2019. The company continuously develops its four sites in Budapest, Debrecen, Pécs and Szeged and is looking for skilled IT professionals to join its team.

The application of Digital construction support (Digitale Baubegleitung) will become the central platform for digitization of construction sites for fiber-rollout in Germany. You will be part of a central team that develops and operates the system. Main goals of the system are:

- Efficiency for construction supervisors and all related documentation

- Quality improvements during construction phase

- Higher degree of automation in billing-process

As a Senior Fullstack Developer your tasks will be to:

- Collaborate with stakeholders (development teams, PO, Architect, etc.) to ensure smooth operation and development of application

- Implement new features based on the requirements brought by PO

- Implement bugfixes

- Write unit tests for new features using Jest

- participate in reviewing merge requests

- Takes part in mentoring of less experienced colleagues

- Incident analyses/troubleshooting, cooperate on root cause analysis

- Document your work

- To guarantee a high standard of quality, contributes to the test strategy and make decisions on automation technologies

Must have:

- experience with modern JavaScript & TypeScript and JavaScript libraries, frameworks, etc.

- deep understanding of microservice architectures and Restful protocol

- deep experience with version control (git via GitLab)

- SQL & PostgreSQL database

- Jest (unit testing)

- microservice architecture

- RESTful APIs

- HTML/CSS, 

- VueJS 3 (build tool: Vite, state management: Pinia, Vue-query)

Nice to have: 

- experience with GeoData analysing Modules / Geospatial Data Analysis oder Geospatial Technologies

- Knex.js (as migration tool)

- nginX

- Docker

- ESLint

Soft skills: 

- Participate actively on Agile ceremonies and other, application-related discussions

- Likes to work in team and not afraid to ask or start a discussion if needed

- constructive problem solving and result oriented mindset, 

- ability to analyse, troubleshoot and resolve issues in a cloud-native environment

- good communication skills to work effectively within cross-functional teams, including developers, DevOps, PO,  app. management. (ENG is official Hub language and we are working in SAFe framework)

- attention to detail 

- curious and interested in the latest technologies, especially in frontend-related topics

* Please be informed that our remote working possibility is only available within Hungary due to European taxation regulation.

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