Senior Backend Developer

What You Will Do

As a Senior Backend Engineer, you will:

• First 1-3  months you will be part of the development team in order to get insight to the domain on a specific Project/Mission. You will work as a Senior engineer performing Development and SW Design activities. After the initial period, you may transition into a Technical Lead role for projects/missions, guiding the team and ensuring technical excellence

• Lead high-impact technical projects that influence multiple teams and systems.

• Define and drive the technical architecture for scalable, distributed backend systems.

• Collaborate across teams (backend, frontend, ML, UX, etc.) to ensure cohesive solutions.

• Deliver efficient, maintainable, and high-performance backend code using Java 17+ and frameworks like Spring Boot.

• Mentor engineers to improve team performance and drive a culture of learning and collaboration.

• Innovate and optimize solutions by introducing modern technologies, methodologies, and best practices.

• Influence technical direction across teams while ensuring alignment with business priorities.

What We Expect From You

• Deep Technical Expertise: 8+ years in backend programming, preferably in Java 8+ or Kotlin  (our current tech stack is Java 17+).

• Proven experience in designing and scaling distributed systems and microservice architectures.

• Strong proficiency in SQL (performance tuning of MySQL or PostgreSQL) 

• Experience with messaging systems (RabbitMQ and/or Kafka)  

• Strong knowledge of Java Frameworks: Spring Boot (in case of Java), Hibernate, MVC.

• Familiarity with cloud technologies (preferably Google Cloud Platform or AWS or Azure), Docker,  Kubernetes, and CI/CD pipelines (we use GitLab, ArgoCD).

• Experience in cross-functional collaboration, driving complex technical projects from concept to delivery.

• Advanced self-organisation: efficiently align tasks and time with team goals e.g. upon your seniority we are expecting you to be proactive and self organised

• Ability to mentor, inspire, and guide engineers to achieve engineering excellence.

• Language: Fluent English (B2 or higher).

Bonus Skills

• Knowledge of Redis, Elasticsearch, and NoSQL databases.

• Experience integrating solutions with OpenAI or similar LLMs.

• Exposure to frontend technologies and full-stack approaches.

• Python or Scala programming knowledge. 

What We Offer

• Impactful Work: Lead projects that directly influence customer satisfaction and business success.

• Growth and Learning: Opportunities for professional growth through mentorship, conferences, and workshops.

• Flexible Work Environment: Hybrid working model with 3 days in office and 2 days remote (for Prague proximity colleagues).

• Open Culture: Collaborative and supportive team environment with minimal bureaucracy.

• Personal Development: Budget allocated for training, learning, and professional growth.