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Mobile Backend Software Engineer

MOL Nyrt. Mobile Backend Software Engineer

Develop, design and maintain backend services for mobile applications using Java and Spring Boot.
Implement and evolve RESTful APIs ensuring scalability, reliability, and security.
Own non-trivial features end-to-end, including design, development, testing, and deployment.
Integrate backend services with upstream systems (microservices, Mule, Salesforce, Azure services) across multiple environments and regions.
Collaborate with mobile developers, backend engineers, and product teams to ensure seamless integration.
Write clean, testable, well-structured, and maintainable code following best practices.
Drive and participate in code reviews, providing constructive feedback and maintaining high coding standards.
Troubleshoot and debug issues in backend services and API interactions.
Contribute to technical design discussions, architecture decisions, and backend standards.
Mentor and support junior engineers through knowledge sharing and code reviews.
Stay updated with industry trends and best practices, particularly in mobile backend technologies.
Proactively identify improvements to backend performance, reliability, and developer experience.
Provide clear communication on progress, challenges, and ideas for improving backend performance and reliability.

Education

University or college degree with specialization in Computer Science or Information Systems or equivalent.

Experience

3–6 years of professional experience in software development, with strong focus on Java backend development.
Hands-on experience with RESTful API implementation and backend system integration.
Experience with mobile backend systems is a strong plus.

Professional and Technical Competencies

Solid, hands-on knowledge of Java and strong experience with Spring Boot.
Understanding of RESTful API design principles and hands-on experience in building APIs.
Experience with Git (branching strategies, pull requests, and code review practices).
Working knowledge of relational databases and SQL; NoSQL (e.g. MongoDB, Redis, Cosmos DB) is a plus.
Understanding of system integration and working with upstream/third-party services.
Familiarity with cloud platforms (preferably Azure) and CI/CD pipelines.
Strong understanding of authentication and authorization (JWT, OAuth2, OpenID Connect, Azure Entra ID).
Experience with GraphQL is a plus.
Experience with Atlassian JIRA and Confluence.

Soft Skills

Proactive mindset with a positive attitude and a strong sense of ownership, and team mentality.
Strong attention to detail and commitment to delivering high-quality work, and security in development.
Strong analytical and problem-solving skills with a focus on customer-centric solutions.
Strong written and verbal communication skills in English for cross-functional collaboration.
Willingness and ability to mentor junior colleagues.
Growth mindset with a passion for continuous learning, adapting, and staying updated on industry trends and best practices.
Openness to work with different cultures across CEE.

Work with an advanced and innovative tech stack.
Collaborate with multinational teams and projects across the CEE region.
Enjoy tremendous opportunities for continuous learning and growth in a fast-paced, agile environment.
Explore versatile career paths in a dynamically growing international organization at Local and Group level.
Gain cross-industry experience through our expanding portfolio of businesses (both within and beyond MOL Group).
Be part of a supportive and inclusive workplace that values innovation and creativity.
Enjoy a hybrid work model: two days of home office and three days at the beautiful MOL Campus.
Access Medicover health insurance and an extensive benefit package, including an annual bonus and maximalized fringe benefits.
Participate in regular team outings and MOL family events.

See also