Expert Full - Stack Developer (m/f/d)
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Before you apply
LocationA Coruña, Bilbao, Gijón, Granada, Madrid, Reus, Sevilla & Valencia, es
Work modehybrid
Typefull-time
SenioritySenior
DepartmentO-SISGD - GDC Iberia (34005365)
Company size10,000+ people
PostedOct 5, 2026 · 1mo ago
Verified live1d ago
At a glanceSummarised by Seekless from the posting.
Python
Angular
Kotlin/Java
Postgres
GitLab
JIRA
Confluence
Senior experience in frontend development / Design
Senior experience in Backend development
Generic data analysis skills
Backend and DB architecture
Test automation/Test-driven development
Debugging Skills
German Language
Flutter
Dart
Kubernetes
Observability
Skills
Python
Angular
Kotlin
Java
Postgres
GitLab
JIRA
Confluence
Flutter
Dart
Kubernetes
Benefits
Health insurance
Meal vouchers
Childcare
Transport
Life insurance
Accident insurance
Telemedicine
Social fund
Unlimited PTO
Company Description
T‑Systems is part of the Deutsche Telekom Group, with around 30.000 employees worldwide. We create technology with purpose to generate a positive impact on society. We are looking for curious talent, eager to learn, take on challenges, and contribute ideas that transform our customers’ experience.
We trust people: we offer autonomy, continuous support, and a collaborative environment where you can grow without limits. We are one global team, guided by respect, integrity, and a passion for doing better every day.
Job Description
Main driver for this service is reach a consistent state of documentation, where we will have sufficiently mapped all devices within approx. 8.000 central offices (“Betriebsstelle”). With this mapping we shall achieve much improved cost efficiency within our energy and space management. This will directly benefit the central overview about technical equipment rack-slots including documentation of technology and energy supplies. This is a critical pillar for an overall energy management strategy and therefore contributing to the corporate objectives for Carbondioxide emission reduction.
It is the main enabler for:
•
Transparent Space Utilization, Energy Consumption and Energy planning.
•
Manage the technical places.
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Localization of undocumented legacy systems.
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Python, Angular, Kotlin/Java, Postgres.
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GitLab, JIRA, Confluence, Tardis.
Activity description and concrete tasks:
•
Collaborate with the product owner and the cross-functional team to execute engineering challenges.
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Contribute to the product architecture to ensure seamless development of new product features.
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Take the technical ownership for product components and enhance and maintain these. Design and develop new features.
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Automated tests, code reviews and documentation ensure high quality of your software artefacts.
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Integrate your software with partner systems, often requiring from you to learn new technologies.
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Ensure that the product is always compliant to security requirements and uses state-of-the-art technologies.
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Work in an agile and team context.
Qualifications
Must to have skills
•
Python, Angular, Kotlin/Java, Postgres.
•
GitLab, JIRA, Confluence.
•
Senior experience in frontend development / Design.
•
Senior experience in Backend development.
•
Generic data analysis skills.
•
Backend and DB architecture.
•
Test automation/Test-driven development.
•
Debugging Skills.
Nice to have skills
•
German Language.
•
Flutter, Dart.
•
Kubernetes.
•
Observerbility.
Additional Information
What do we offer you?
Work environment & flexibility
•
International, dynamic and collaborative environment.
•
T-Social: social initiatives (sports, community, health, …).
•
Hybrid work model (remote/on-site).
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Flexible working hours.
Growth & development
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Customized training: access to Coursera to learn whatever you want, whenever you want.
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Weekly language classes (English & German).
•
International Mentoring Sessions & Experience Days.
Compensation & benefits
•
Flexible compensation plan (health insurance, meal vouchers, childcare, transport).
•
Telemedicine.
•
Life and accident insurance.
•
Social fund.
Wellbeing & time off
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26+ working days of vacation per year.
•
Free access to specialist services (medical, legal, wellness).
•
100% salary coverage during medical leave.
And many more advantages of being part of T-Systems!
If you are looking for a new challenge, do not hesitate to send us your CV! Please send CV in English. Join our team!
Hiring process
T-Systems Iberia will only process the CVs of candidates who meet the requirements specified for each offer.