Backend Engineer

Genestack Ltd, Belgrade (hybrid or remote)

At Genestack we are tackling the underlying computational and scientific challenges of bioinformatics in order to provide researchers with software tools that will streamline the discovery process and drive forward precision medicine, drug development, and bioinformatics research.

Take end-to-end ownership of complex User Stories and actively contribute to feature analysis and solution design, from refining requirements to delivering production-ready solutions.

Collaborate closely with backend engineers on system design and implementation, proactively proposing technical solutions and taking ownership of decisions within your scope.

Contribute to the evolution of core backend components and APIs.

Write clean, maintainable code and participate in refactoring initiatives.

Optimize database queries and backend components for performance and scalability, and investigate performance bottlenecks in your areas of ownership.

Break down complex tasks into pragmatic, deliverable increments.

Proactively suggest backend and technical improvements that enhance product reliability, performance, and maintainability.

Contribute to improving engineering practices and development processes.

6+ years of experience in software engineering;

Strong foundation in computer science (OOP, data structures, algorithms);

Solid experience with relational databases (e.g., MySQL);

Experience working with ClickHouse (writing and optimizing queries);

Strong proficiency in Java and/or Kotlin;

Strong practical experience with Spring Framework in production systems;

Hands-on experience writing automated tests (functional and integration);

Ability to independently drive complex User Stories to completion and make sound technical decisions within your scope;

Strong practical use of AI tools to improve development efficiency and code quality, with readiness to share effective practices within the team;

International team of professionals;

Comfortable office in the very heart of the historical center of Belgrade;

Opportunity to work 100% remotely;

Medical insurance, fully paid sick leaves;

Onboarding and domain training for newcomers;

Flexible work schedule.