Senior Back End Developer

Aggregate function:  Technology
Business Area:  VT Digital Engineering
Posting Country:  Romania
Date Posted:  16 Jan 2026
Full Time / Part Time:  Full Time
Contract Type:  Permanent

At Vodafone, we’re working hard to build a better future. A more connected, inclusive and sustainable world. As a dynamic global community, it's our human spirit, together with technology, that empowers us to achieve this. 

We challenge and innovate in order to connect people, businesses, and communities across the world. Delighting our customers and earning their loyalty drive us, and we experiment, learn fast and get it done, together.

With us, you can be truly be yourself and belong, share inspiration, embrace new opportunities, thrive, and make a real difference.

Join Us

At Vodafone, we’re not just shaping the future of connectivity for our customers – we’re shaping the future for everyone who joins our team. When you work with us, you’re part of a global mission to connect people, solve complex challenges, and create a sustainable and more inclusive world. If you want to grow your career whilst finding the perfect balance between work and life, Vodafone offers the opportunities to help you belong and make a real impact.

If you are a seasoned Java Developer who thrives on building high-scale, resilient systems join our Agile team and take technical ownership of enterprise-level backend services.

What you’ll do

Technical Ownership: Design and develop high-performance, low-latency backend services using modern Java (21/25).

Architectural Influence: Contribute to solution design, proposing modern patterns and tools to optimize time-to-market.

Leadership: Act as a technical mentor for junior and mid-level developers, fostering a culture of continuous learning and collective responsibility.

Innovation: Build and maintain internal libraries and boilerplates that define our team’s technical standards.

 

Why Join Us?

Complex Challenges: Work on enterprise-level ecosystems with strict scalability and availability requirements.

Modern Environment: No more legacy bottlenecks—we focus on Spring Cloud, Hexagonal Architecture, and Cloud-native deployments.

True Agile: A collaborative environment where your voice matters in every sprint, refinement, and retrospective.

 

Who you are

Your Tech Stack & Expertise: Java Mastery: 5+ years of experience, with a deep dive into Java 17/21 and the Spring Ecosystem (Boot, Cloud, Security, Data).

Modern Patterns: Solid understanding of Reactive Programming (WebFlux), Microservices, and Event-Driven Architectures.

Data & Messaging: Hands-on experience with Apache Kafka (Streams, Schema Registry) and a mix of SQL/NoSQL (PostgreSQL, MongoDB, Redis).

Cloud & DevOps: Proficiency with Docker, Kubernetes (K8s), and modern CI/CD pipelines (GitLab CI, ArgoCD, Helm).

Quality Mindset: Strong advocate for Clean Code, SOLID principles, and system observability.

Mandatory higher education (technical university studies)

Knowledge / working experience with TMF framework can be an advantage

Optional: Technical certifications

Not a perfect fit?

Worried that you don’t meet all the desired criteria exactly? At Vodafone we are passionate about empowering people and creating a workplace where everyone can thrive, whatever their personal or professional background. If you’re excited about this role but your experience doesn’t align exactly with every part of the job description, we encourage you to still apply as you may be the right candidate for this role or another opportunity.

What's in it for you

  • Hybrid working regime 2 days from the office, 3 days remote
  • Special discounts for Vodafone employees, Friends & Family offers
  • Demo telephone subscription - unlimited (voice and data)
  • Voucher for the purchase of a mobile phone
  • Medical subscription to a top private clinic & other medical benefits
  • Insurance for hospitalization and surgical interventions
  • Life insurance
  • Meal tickets
  • Bookster subscription
  • Participation in development programs and challenging projects in the leadership area
  • Access to internal Wellbeing & Recognition events
  • Extra vacation days (for seniority, special events, volunteering)
  • You will benefit from specializations in your field of activity, through programs based on modern training methods and systems

Who we are

We are a leading international Telco, serving millions of customers. At Vodafone, we believe that connectivity is a force for good. If we use it for the things that really matter, it can improve people's lives and the world around us. Through our technology we empower people, connecting everyone regardless of who they are or where they live and we protect the planet, whilst helping our customers do the same.

Belonging at Vodafone isn't a concept; it's lived, breathed, and cultivated through everything we do. You'll be part of a global and diverse community, with many different minds, abilities, backgrounds and cultures. ;We're committed to increase diversity, ensure equal representation, and make Vodafone a place everyone feels safe, valued and included.

If you require any reasonable adjustments or have an accessibility request as part of your recruitment journey, for example, extended time or breaks in between online assessments, please refer to https://careers.vodafone.com/application-adjustments/ for guidance.

Together we can.

Vodafone is committed to attracting, developing and retaining the very best people by offering a motivating and inclusive workplace in which talent is truly recognised and rewarded. We are committed to promoting Inclusion for All with the belief that diversity plays an important role in the success of our business. We actively encourage everyone to consider becoming a part of our journey.