Senior Backend Engineer, Klar

• You are a senior engineer with experience in architecture, design, implementation and deployment of business critical systems
• You are passionate about simplifying complex problems with innovative solutions which increases efficiency and saves cost
• At least 5 years of experience with several of the following development technologies: Java, SpringBoot, PostgreSQL or other relational databases, Apache Kafka, Docker
• At least 5 years of experience with microservice architectures, synchronous REST communication over HTTP, and asynchronous communication over Apache Kafka
• Deep understanding of database transactions and locking mechanisms
• Knowledge of algorithms and data structure for distributing loads like sharding, leadership election, and more

Desirable

• You’ll join a new backend team within a newly established business division at Klar, where we’re expanding capacity to support the launch of additional products and services
• As a fintech, Klar operates in a fast-paced, dynamic, and low-hierarchy environment where individual contributors are encouraged to take ownership, influence technical direction, and have a meaningful impact on the business
• In this role, you’ll work on core backend services and scalable platform capabilities that help reduce the cost of digital banking while supporting Klar’s continued growth in the financial services industry
• You’ll collaborate closely with product and engineering leaders, contribute to architectural decisions, and help shape the evolution of a critical platform from an early stage
• Write correct, efficient, clean, robust, and maintainable code (Mostly in Java 21+)
• Write unit, integration, and end-to-end tests to prevent current errors or future regressions
• Participate in code review to learn from others and to teach them as well
• Prototype new technologies and libraries that could save time and effort
• Write clear and concise documentation for users of your systems
• Identify common problems between multiple systems and develop common solutions via libraries
• Create designs for new systems and features of moderate complexity
• Make time estimates to implement designs that can aid in future planning
• Mentor junior engineers