Design and develop backend microservices: using Kotlin Spring Boot, following clean code and architectural best practices.
Build and maintain event-driven systems: leveraging message brokers such as Kafka or Google Pub/Sub, applying patterns like outbox where appropriate.
Participate in architectural decisions: contributing to the design of scalable, resilient distributed services across the PLG platform.
Collaborate cross-functionally: working with product, frontend, and QA teams to define specifications and ensure features meet quality standards.
Conduct code reviews: sharing knowledge and raising the overall quality bar within the team.
Identify and address technical debt: proactively improving system reliability, performance, and maintainability.

Strong backend fundamentals: 3+ years of experience building production-grade backend services in Kotlin and/or Java with Spring Boot.
Microservice architecture: practical experience designing and operating distributed systems; comfortable with service decomposition, API design, and inter-service communication.
Event-driven architecture: solid understanding of event sourcing, CQRS, outbox pattern, and experience working with Kafka, Google Pub/Sub, or equivalent.
Cloud and infrastructure basics: working knowledge of Google Cloud Platform and containerisation (Docker, Kubernetes); CI/CD experience (GitHub Actions or similar).
Database experience: comfortable with relational databases (PostgreSQL preferred); practical experience with ORMs and aware of the trade-offs.
Collaborative mindset: team player who communicates clearly, welcomes feedback, and takes initiative when something needs fixing.
Language: fluent English (B2/C1); Czech or Slovak is a bonus.

Hybrid work after the probation period – usually 3 days in the office, up to 2 days home office (we trust teams to agree on what works)
25 days of holiday
MultiSport card – you pay 330 CZK, we cover the rest
Edenred Flexi benefits – 10,560 CZK/year for culture, leisure, health or education
Meal vouchers – 124 CZK per working day, paid monthly with your salary
FreshPoint fridge with yummy ready-to-eat meals for the better price
Fully stocked kitchen – fruit, snacks, great coffee, toasties and plenty of alternative milks
Modern office in the centre of Prague – right by the main train station, co-working spaces included, and yes… the rooftop with breathtaking sunset views of Prague Castle
Coursera Plus for learning and your growth
Possibility of joining English classes
Company MacBook
Team life – monthly breakfasts with leaders, summer BBQs, offsites, sports, Xmas parties… and room for your ideas (seriously!)
Open, no-bullshit communication and a high-trust culture

Backend Developer

Key skills