Back End Developer-VB

## 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. ## Role Purpose The Back End Developer is responsible for designing, developing, and maintaining server-side applications, APIs, databases, and integration services that power enterprise digital solutions. The role ensures that applications are scalable, secure, performant, and aligned with enterprise architecture and coding standards. The Back End Developer collaborates with Front End Developers, DevOps Engineers, Solution Architects, QA teams, and business stakeholders to build robust digital platforms and services. ## Key Accountabilities * Design, develop, and maintain server-side applications and microservices. * Build RESTful and GraphQL APIs to support web and mobile applications. * Develop integrations with third-party systems, ERPs, CRMs, and enterprise applications. * Design and optimize relational and NoSQL databases. * Implement authentication, authorization, and security controls. * Optimize application performance, scalability, and reliability. * Write reusable, maintainable, and well-documented code. * Develop automated unit, integration, and API tests. * Participate in peer code reviews. * Troubleshoot and resolve application defects and production issues. * Ensure adherence to coding standards and best practices. * Project management * Stakeholder management * Risk management * Compliance and auditing ## Core competencies, knowledge and experience * 3–5 years of experience in back-end development. * Strong proficiency in at least one back-end language such as Java, C#, Python, Go, or Node.js. * Experience designing APIs and microservices. * Bachelor’s degree in Computer Science, Software Engineering, or related field. * Relevant cloud or platform certifications are an advantage. * Strong database design and SQL skills. * Experience with cloud-native and containerized applications. * Strong problem-solving and analytical capabilities. * Effective communication and teamwork. * Excellent command of English. ## Must have technical qualifications Programming Languages & Frameworks * Java / Spring Boot * C# / .NET * Python / FastAPI or Django * Node.js / NestJS or Express.js * Go (optional) APIs & Integration * REST APIs * GraphQL * OpenAPI / Swagger * Webhooks Databases * PostgreSQL * MySQL * Microsoft SQL Server * MongoDB * Redis Messaging & Event Streaming * Apache Kafka * RabbitMQ * Azure Service Bus Cloud & Containers * Docker * Kubernetes * Microsoft Azure / AWS / Google Cloud DevOps & CI/CD * Git * GitHub / GitLab / Azure DevOps * Jenkins Testing & Quality * JUnit / NUnit / PyTest * Postman * SonarQube Security * OAuth 2.0 * OpenID Connect * JWT * OWASP secure coding practices ## 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.