Senior Back End Developer

Aggregate function:  Technology
Business Area:  VT Vodafone IT
Posting Country:  Romania
Date Posted:  15 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.

What you’ll do

As a Senior Back-End Developer, you will play a key role in designing and building digital solutions that support both internal and external customers. You’ll work within the BSS Development team, collaborating closely with developers, product colleagues, and business partners to deliver stable, scalable, and high‑performing applications.

In this role, you will:

  • Develop applications and services as part of an Agile squad, contributing to iterative delivery cycles.
  • Build and optimize backend interfaces and services exposed to internal and external consumers.
  • Write clean, reusable, efficient, and well‑documented code.
  • Design and implement low‑latency, high‑availability, and high‑performance applications.
  • Integrate multiple data sources, systems, and databases into unified solutions.
  • Develop user authentication and authorization mechanisms across various systems and environments.
  • Understand and apply fundamental design principles for scalable and maintainable backend systems.
  • Collaborate with cross‑functional colleagues to ensure smooth operation of integrated services.
  • Monitor, troubleshoot, and resolve production issues.
  • Actively support interoperability between applications and platforms.
  • Own the technical deliverables agreed within the squad during planning sessions.
  • Mentor junior members, promoting continuous learning and technical excellence.
  • Contribute to ongoing improvements of processes, standards, and technical practices within the squad.

Who you are

You are a passionate and experienced backend engineer who enjoys solving complex problems, building robust systems, and collaborating in a dynamic Agile environment. You’re committed to quality, continuous learning, and driving improvements in both technology and teamwork.

We’re looking for someone who has:

✔ Technical expertise

  • At least 4 years of experience in software development (Java / JEE).
  • Strong experience designing and implementing multi‑layer applications using Spring MVC and Spring Boot.
  • Experience working with RESTful APIs and SOAP services.
  • Good understanding of application servers such as Weblogic, JBoss, Tomcat.
  • Hands‑on experience with JEE technologies (CDI, EJB, JPA, JMS, JTA, JSP, JSF, JAX‑WS, JAX‑RS).
  • Knowledge of security standards such as OAuth and OIDC.
  • Experience with relational databases (MariaDB, MySQL, PostgreSQL) and NoSQL databases (MongoDB, Redis).

✔ Ways of working

  • Experience working in an Agile environment (Scrum, SAFe) with tools like JIRA and Confluence.
  • Strong communication and collaboration skills.
  • Good time management and ability to handle deadlines effectively.
  • Team spirit and willingness to support others.

✔ Education

  • Bachelor’s degree in a technical field (mandatory).
  • Technical certifications (optional but appreciated).

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.

 

*Internal candidates must always inform their direct manager when applying for a new position.

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.