Senior Backend Developer – Kotlin

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Invillia

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API • B2B • SaaS

Invillia is a technology company that specializes in developing innovative software solutions for businesses. It focuses on creating custom applications leveraging advanced technologies to enhance operational efficiency and drive digital transformation for its clients. Invillia aims to empower organizations by providing tailored software that meets their specific needs and challenges.

5001 - 10000 employees

Founded 2003

🔌 API

🤝 B2B

☁️ SaaS

📋 Description

• Design, develop and evolve scalable, resilient back-end systems with a focus on performance and availability. • Architect and implement well-decoupled, event-driven microservices, integrating via APIs and asynchronous messaging. • Actively participate in technical and architectural decisions, always aligning solutions with business needs and market trends. • Conduct deep technical analyses to identify bottlenecks and propose performance and scalability improvements. • Ensure software quality through best practices such as Clean Code, DDD, automated testing (Test Pyramid), code reviews and continuous integration. • Work on system observability (monitoring, logging, alerts) and contribute to a robust and efficient CI/CD pipeline. • Foster innovation within the team by experimenting with new technologies and methodologies that increase delivery capability and technical quality. • Serve as a technical mentor, supporting the development of less experienced professionals and promoting a culture of continuous learning and collaboration.

🎯 Requirements

• Extensive experience developing software in high-complexity environments. • Proficiency in Kotlin and Java, with strong knowledge of the Spring ecosystem (Boot, Data, Security, Cloud). • Solid experience with microservices architecture and asynchronous integration using Kafka, SQS, SNS and RabbitMQ. • Advanced knowledge of SQL and NoSQL databases (PostgreSQL, MySQL, DynamoDB, MongoDB), with strong modeling skills and query optimization. • Deep understanding of design patterns (Singleton, Factory, Strategy, Observer, Decorator, Composite, Proxy). • Familiarity with SOLID principles, DDD, TDD, KISS, DRY and YAGNI. • Experience with Cloud Computing, preferably AWS (Lambda, S3). • Proficiency with Linux, Docker, Kubernetes, Kafka and Infrastructure as Code practices. • Familiarity with observability tools: Datadog, Prometheus, Grafana, ELK Stack. • Experience with CI/CD pipelines using tools such as Jenkins, GitHub Actions or similar. • Knowledge of application security practices (OAuth2, JWT, TLS, rate limiting, CORS).

🏖️ Benefits

• Not specified