Senior Backend Engineer

Stack

Responsibilities

• ▹Design and build scalable backend services and APIs for payments and financial workflows
• ▹Contribute to event-driven systems using messaging and streaming technologies
• ▹Collaborate with Product, Design and Engineering to deliver practical, high-quality solutions
• ▹Support deployments, monitoring and troubleshooting in cloud environments
• ▹Improve system reliability, performance and security
• ▹Participate in code reviews, knowledge sharing and team discussions
• ▹Contribute to technical design and architecture decisions (for more senior candidates)
• ▹Explore and adopt new technologies and best practices where they add value

Requirements

• ▹Experience building backend systems in a professional environment (Scala, Java or similar)
• ▹Solid understanding of software design, APIs and distributed systems
• ▹Experience working with cloud platforms (AWS, GCP or Azure)
• ▹Familiarity with SQL and database design (RDBMS; NoSQL is a plus)
• ▹Interest or experience in event-driven architecture (Kafka or similar)
• ▹Comfortable debugging and improving production systems
• ▹Professional working proficiency in English
• ▹Experience designing and operating large-scale, high-availability systems
• ▹Ability to lead technical design, mentor other engineers and make architectural tradeoffs
• ▹Demonstrated experience leveraging AI tools to improve workflows, enhance decision-making or drive innovation

Nice to have

• ▹Experience with Scala or functional programming
• ▹Experience with Kafka or similar messaging systems
• ▹Familiarity with Kubernetes and containerized environments
• ▹Frontend experience (React / TypeScript)
• ▹Experience in fintech, payments or security-sensitive systems

Soft skills

What we offer

• ▹Performance bonus opportunities and employee referral rewards
• ▹Flexible time off and 13 paid public holidays aligned with the Czech calendar
• ▹Paid sick leave with additional support through the Czech social security system
• ▹Maternity, paternity and parental leave in line with Czech regulations, plus additional paid paternity leave
• ▹Full statutory benefits, including public health insurance, social security, pension and work accident coverage
• ▹Access to Coursera (including Gen AI Academy) and ongoing professional development
• ▹Clear growth paths, regular feedback and opportunities for advancement
• ▹Be a founding engineer of the new Brno R&D hub: after a brief 1-6 month integration with U.S. teams, fully autonomous, locally-led squads form, with clear paths to Staff and leadership roles
• ▹International company environment with collaboration across Europe and the U.S.
• ▹Opportunities to travel for company events, including potential U.S. visits
• ▹Local team events, outings, and wellness and learning programs
• ▹New Brno office with opportunities to work in person and a flexible hybrid setup
• ▹The AI-first transformation: building a secure, massive-scale Unified AI Platform

About the company

8am builds software that helps professionals run stronger businesses. Its platform powers payments, client experience and operational workflows for legal, accounting and other service businesses, and is used by more than 250,000 professionals across the U.S. every day.