Hybrid Senior Back End Developer

at Vodafone

• Job title: Senior Back End Developer
• Job type: Full Time
• Experience level: Senior
• Salary: Not specified
• Degree requirement: Bachelor's Degree
• Tech skills: Java, MariaDB, MongoDB, MySQL, NoSQL, Postgres, Redis, SOAP, Spring, Spring Boot, SpringBoot
• Location requirements: Hybrid, Romania

About the role

• Senior Back-End Developer at Vodafone designing and building digital solutions. Collaborating with teams to deliver stable and high-performing applications.

Responsibilities

• 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.

Requirements

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

Benefits

• 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