📍 Full-time | Remote or Hybrid (only for Romanian residents) | Long-term collaboration | Employment contract only

We are looking for a passionate Senior Full-Stack Developer with solid experience in Kotlin (server-oriented, backend) and Java to join our team. You will have the option to work either remotely or in a hybrid setup.

Responsibilities:

• Designing, developing, and maintaining applications using Kotlin (for backend, server-oriented) and Java.
• Developing and optimizing user interfaces and frontend components.
• Participating in defining software architecture and making technical decisions.
• Optimizing code for performance and scalability.
• Collaborating closely with QA, DevOps, and Product Management teams.
• Mentoring less experienced colleagues in the team.
• Reviewing code and engaging in pair programming to ensure high quality and knowledge sharing.
• Applying best practices for testing, security, performance, and resilience.
• Taking full ownership of microservices throughout the entire lifecycle: design, development, deployment, monitoring, and operation.
• Working closely with designers, architects, testers, and product managers in a fast-paced environment.
• Actively participating in knowledge-sharing formats such as internal tech events, online training, and external conferences.

About you

Required:

• 3+ years of recent software development experience with Kotlin (server-oriented)
• 5+ years of software development experience with Java
• Experience with popular frameworks (Spring/Spring Boot/Ktor)
• Experience with Vue.js 3 and Nuxt 3 / Vite
• Strong knowledge of microservices-based architectures
• Knowledge of programming best practices (SOLID, Design Patterns)
• Skills in working with relational and NoSQL databases
• Familiarity with frontend technologies (HTML, CSS, JavaScript)
• Experience working with CI/CD and containers (Docker, Kubernetes)
• Hands-on experience with Git and automation pipelines
• Advanced English proficiency (written and spoken)
• Excellent communication and teamwork skills

Nice to have:

• Comfortable working in agile environments (Scrum/Kanban) and cross-functional teams
• Experience with cloud technologies (AWS, Azure, GCP) is a plus
• Familiarity with Google Cloud Platform (CloudSQL, Pub/Sub, GKE), Terraform, and DevOps practices is a plus
• Interest or experience in data privacy and software security topics is welcome

About eSolutions

We take pride in being a technologically advanced organisation dedicated to developing integrated, complex, and secure solutions, designed to elevate the underlying business processes of the software we create. We develop and implement bespoke solutions for key industries, using microservices architectures for scalable and stable apps. Committed to employing the latest development methodologies, we consistently produce high-quality, reliable code - a testimony to our 24 years of proven success. With a client portfolio including companies such as Carrefour, REWE Digital, Regina Maria, Deutsche Telekom, METRO.digital Romania, STS, or WHO, we consistently rise to meet industry challenges and equip our partners with a decisive competitive advantage in their respective markets.

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