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Deutsche Telekom TSI Hungary Kft.
Deutsche Telekom TSI Hungary Kft.
20 open remote positions
Deutsche Telekom IT Solutions is a subsidiary of the Deutsche Telekom Group, providing a wide portfolio of IT and telecommunications services. With more than 5,300 employees, the company is recognized as Hungary's most attractive employer and continuously develops its four sites across the country.
Benefits Overview
2 of 20 jobs
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Open Positions
Manage and coordinate the Vice President's calendar, meetings, and travel arrangements. Organize leadership reviews, workshops, and prepare meeting materials and documents. Handle confidential information and maintain communication with executives and customers.
English
Project Management
Analytical Thinking
Strategic Thinking
Microsoft Office
Design, build, test, and maintain full-stack applications and services for HR use cases. Translate business requirements into pragmatic technical designs and integration concepts. Gradually take technical ownership of selected applications and solutions, driving their development and reliable operation.
TypeScript
React
Node.js
APIs
Cloud
Design and maintain backend services using Java 25 and Spring Boot 4.1. Implement OAuth 2.0/OIDC identity flows and secure APIs. Evolve a modular monolith toward hexagonal architecture with domain-driven design.
Java
Spring Boot
REST API
PostgreSQL
OAuth 2.0
Design and implement backend services and APIs for the Digital Construction Support platform. Collaborate with product owners and architects to develop new features and ensure code quality. Mentor junior developers and participate in agile ceremonies to drive continuous improvement.
TypeScript
Node.js
PostgreSQL
Docker
Jest
Implementation of new features and bugfixes based on requirements from Product Owner. Collaboration with stakeholders including development teams, PO, and Architect for smooth development. Participating in code reviews and writing end-to-end tests using Cypress.
Vue.js
TypeScript
JavaScript
HTML5
CSS3
Build and maintain scalable, reliable, and secure environments on AWS using Infrastructure as Code tools. Design and manage CI/CD pipelines, oversee Kubernetes clusters, and ensure GitOps practices. Monitor system health with OpenTelemetry and Grafana, enforce security best practices, and mentor junior engineers.
AWS
Kubernetes
Terraform
CI/CD
GitOps
Define and manage global E2E billing processes in SAP ERP environment with cross-functional business owners. Prioritize business demands using WSJF for quarterly planning and track fulfillment. Create transparency towards stakeholders through insightful presentations and steerco recommendations.
SAP ECC
SAP S/4HANA
Project Management
Act as central orchestration and coordination function for ERP transformation activities within T-Systems. Bundle and steer cross-functional transformation streams across Enterprise Architecture, Finance, Billing & Logistics, and Roles & Authorizations. Support governance activities including preparation of steering committees, decision papers, and executive-ready communication.
SAP
Stakeholder Management
Agile Methodologies
SAP S/4HANA
Provide TC strategy and costing structure for strategic deals and act as procurement SPOC in bid teams. Manage negotiations with key suppliers of network capacities and conduct tender invitation and e-auction processes. Establish relationships with Telco vendors and ensure seamless handover to lifecycle management.
Procurement
Negotiation
Communication
English
German
Build and operate Kubernetes platforms (Helm, Gardener) on Open Telekom Cloud (OTC) Manage Infrastructure as Code with Terraform and Terragrunt and implement GitOps delivery using ArgoCD Integrate security controls into CI/CD pipelines and harden service-to-service communication including mTLS
Kubernetes
Helm
Terraform
ArgoCD
CI/CD
Design, develop, and maintain automated test suites as code using Java and Cucumber BDD. Automate API testing for OAuth 2.0 and OpenID Connect authentication flows using RestAssured. Ensure compliance with gematik specifications through traceable, evidence-based test reporting.
Java
Cucumber
OAuth 2.0
CI/CD
Labeling of image data for training object recognition Programming data acquisition pipelines in Python or C++ Frontend development of a browser client in Three.js
Python
C++
Three.js
Blender
Linux
Evaluate incoming AI use cases and assist teams in selecting appropriate LLM models. Balance technical quality, security, compliance, availability, and cost considerations. Manage the LLM catalog including service requests, approvals, access, credentials, quotas, and onboarding processes.
LLM
API
Stakeholder Communication
Service Management
Design, build, and operate secure Kubernetes-based infrastructure for AI-assisted development. Implement GitOps and Infrastructure as Code for reproducible provisioning and operations. Provide observability, security, and operational discipline for engineering platforms.
Kubernetes
Terraform
GitOps
CI/CD
Python
Design and operate CI/CD pipelines for repository intake, build execution, image creation, artefact promotion, environment deployment, and evidence generation. Implement release controls for private registries, package sources, signing, SBOM generation, vulnerability scanning, dependency provenance, and approval workflows. Create observability across build systems, workflow services, repositories, test environments, model endpoints, and platform components using logs, metrics, traces, and dashboards.
CI/CD
Kubernetes
Observability
DevOps
Security
Analyze repositories for maintainability, dependency risks, insecure patterns, and build fragility. Use AI coding agents to accelerate code review, vulnerability explanation, and remediation proposals. Run quality and security scanning tools, support reproducible builds, and create evidence packs.
Python
AI Coding Assistants
Code Review
Kubernetes
Analyze OpenStack-style services to map APIs, configuration flows, service dependencies, and operational assumptions. Use AI coding agents to accelerate code navigation, call-flow reconstruction, and technical documentation across large multi-repository environments. Create structured service handover artefacts such as service maps, dependency notes, API summaries, and risk observations.
Python
Kubernetes
AI Development Tools
DevOps
Provide operational and administrative support to managers within the department. Manage documentation, create reports, and coordinate meetings, trainings, and business trips. Handle communication and translation tasks in English and German, and maintain internal HR and accounting databases.
Microsoft Office
English
German
Excel
Administrative Support
Responsible for the stable operation, monitoring, deployment, and continuous improvement of highly available applications. Work in a cross-functional DevOps team to support the entire application lifecycle from deployment to productive operation. Analyze and resolve complex production issues, automate operational tasks, and continuously improve system reliability, stability, and performance.
Docker
Git
CI/CD
Kubernetes
Jira
Design, develop, and operate security-critical backend services using Java and Spring Boot. Build and maintain authentication and authorization services based on OAuth 2.0, OpenID Connect, and modern identity standards. Apply secure software engineering principles throughout the development lifecycle.
Java
Spring Boot
OAuth 2.0
OpenID Connect
Security