Ensure we build, scale, ship, and monitor our platform reliably, leveraging technologies such as Scala, Python, MySQL, Clickhouse, Redis, Kafka, Qdrant, Solr.
Partner with product managers, designers, and other engineers to define requirements and complete feature work.
Work to improve the processes, systems, and tools we use to deliver quality products and champion technical initiatives and direction.
Uphold project quality and planning through meeting deadlines, breaking down work, and ensuring proper testing and monitoring
Lift the skills of other engineers through mentorship, knowledge sharing, and providing feedback on PRs and technical designs.

4 years experience developing and supporting software in a production environment
3 years experience programming in object oriented languages such as Scala or other JVM languages,
3 years experience with functional programming paradigms and ecosystems (e.g., Scala Cats, ZIO)
Professional English proficiency in verbal and written communication
3 years experience developing and supporting scalable, distributed backend services
3 years experience working with SQL databases and relational databases,
Professional Polish proficiency in verbal and written communication.

Stock Ownership (RSUs): Eligibility for Restricted Stock Units (RSUs)
Generous Paid Time Off: 26 paid days off annually, in addition to bank holidays and extra company-wide "Rest & Recharge" days.
Paid Parental Leave: We support all growing families with 20 weeks of paid leave for birthing parents and 16 weeks of paid leave for non-birthing parents.
Lifestyle Spending Account (LSA): An annual $600 USD fund to support your personal well-being. This can be used for gym memberships, health expenses, hobbies, or other wellness needs.
Remote & Hybrid Work Support: A flexible, remote-first model supported by a one-time $550 USD home office setup stipend and a monthly internet reimbursement.
Mental Health & well-being: Access to dedicated mental health resources and company-wide wellness programs.
International Travel: Opportunities to travel to our Chicago HQ for team meetups and collaboration.
Kraków Office Perks: A daily 50 zł lunch stipend when you choose to work from our office.

Senior Software Engineer – Back End

Key skills