Senior Back End Developer

Join Klar as a Senior Back End Developer

Klar is seeking a highly skilled Senior Back End Developer to join our Collections team. This is a full-time remote position open to candidates based in Germany. As a Senior Back End Developer, you will play a crucial role in developing flexible, scalable software systems to reduce the costs of digital banking. You will primarily work on our collection services and loan credit systems, which are key components of Klar's service offerings.

Key Responsibilities

• Write correct, efficient, clean, robust, and maintainable code, primarily in Java 11+.
• Develop unit, integration, and end-to-end tests to prevent current errors or future regressions.
• Participate in code reviews 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.

Qualifications

• At least 5 years of experience with Java, SpringBoot, PostgreSQL or other relational databases, Apache Kafka, and Docker.
• 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 structures for distributing loads like sharding and leadership election.
• Preferred: 2 years of experience with logging and metrics technologies such as Prometheus, Grafana, Kibana.
• Preferred: 1 year of experience with infrastructure technologies such as AWS, Github Actions, Kubernetes, Istio, Terraform, Terragrunt.
• Spanish language skills are a plus.
• Experience with the Fintech domain or high-paced startup is preferred.

What We Offer

• Competitive salary based on performance and experience.
• Chance of earning Klar stock options.
• 26 days of paid vacation per year.
• Computer devices provided.
• Gympass subscription for mental and physical health.
• Access to a modern health platform.
• Training budget to enhance your skills.
• Comprehensive health insurance.
• BVG Corporate ticket for transportation.
• Access to Desana, a network of flexible workspaces around the world.
• An international work environment with amazing and highly skilled people.
• A world-class team that helps you evolve your skills in areas you're interested in.

Klar is committed to creating a welcoming and inclusive environment for new talents to flourish. We value diversity and welcome all applications regardless of gender, nationality, ethnic and social origin, religion/belief, physical abilities, age, sexual orientation, and identity.