Kotlin developer business banking

Andersen is a pre-IPO software development company providing full-cycle services and helping enterprises and mid-sized firms worldwide transform their businesses through digital solutions and innovative technologies. Its expertise spans Fin Tech, Healthcare, Retail, Telecom, Media & Entertainment, Logistics, Travel & Hospitality, eCommerce, and other industries.

• Develop and maintain a microservices architecture
• Optimize database performance and queries
• Configure monitoring, logging, and alerting
• Handle deployment and infrastructure management
• Conduct code reviews and mentor team members
• Design architecture from scratch

• 3+ Years of backend development experience
• Strong proficiency in Kotlin and Java, including Kotlin data classes, sealed classes, extension functions, scope functions, Coroutines & Flow, Java Collections, Generics, and Stream API
• Deep understanding of multithreading and JVM internals, including garbage collection, memory model, and performance tuning
• Extensive hands-on experience with Spring Framework, including Spring Boot, Dependency Injection / IoC, Spring Data, Transaction Management, and Spring AOP
• Advanced knowledge of PostgreSQL and SQL, including query optimization, EXPLAIN ANALYZE, indexing, complex queries, window functions, and CTEs
• Proven production experience with Kafka, including producers, consumers, partitions, and offsets
• Strong expertise in REST API design, including versioning, pagination, and error handling
• Solid practical experience with Docker and advanced Git workflows
• Hands-on experience with Prometheus, Grafana, and Micrometer, including structured logging, correlation IDs, and alerting best practices
• Strong understanding of microservices architecture, including patterns, anti-patterns, high availability, fault tolerance, and scalability
• Good knowledge of software design principles, including SOLID, GoF patterns, and DDD basics
• Experience with unit testing, integration testing, JUnit / Kotest, MockK, and Testcontainers
• English from Intermediate+ level and above
• Nice to have:
  Liquibase or Flyway, Java 17+ features, Spring Web Flux / Reactive programming, Spring Security, distributed transactions and consistency patterns, database scaling, Redis, Kubernetes, CI/CD pipelines, Jaeger or Zipkin, event-driven architecture, API lifecycle management, contract testing, Camunda BPM or similar platforms, fintech or banking systems

• Work from Anywhere principle
• Mentoring and adaptation systems for new employees
• Transparent performance review and assessment systems
• Access to educational platforms, seminars, and practices
• Stable and competitive salary
• Extensive benefits package
• Opportunities for specialist or managerial growth
• The company operates in Kazakhstan