Senior AI Applied Software Engineer
workatbackbase
Kraków
Posted Jul 27, 2026
- Other
- Product & Platform Department
Job description
**The Job** At Backbase, we don’t just deliver software – we redefine how people manage their finances. We are looking for a **Senior AI Applied Software Engineer**to join our R&D department in Kraków. You will join the team which sits at the core of Backbase platform: Entitlements. Handling complex problems related to Access Control, Approvals and Limits. By joining our team, you won’t just write code; you will design systems that impact millions of users across over 100 financial institutions worldwide. **Meet the Job** As a Senior AI Applied Software Engineer you are a technical cornerstone of your squad. You will design and deliver complex features with minimal guidance, ensuring that both the "engine" (Backend) and the "experience" (Frontend) are performant, secure, and scalable. - **Full SDLC Ownership:** Lead the entire lifecycle of digital banking products—from initial idea and architectural design to release and maintenance. - **Architectural Excellence:** Improve system architecture and design components that integrate smoothly across APIs and microservices. - **Technical Leadership:** Act as a go-to resource for your team, mentoring junior engineers, conducting critical code reviews, and raising the bar for engineering standards. - **AI & Innovation:** Contribute to the evolution of LLM-based voice assistants and real-time personalization engines using OpenAI and ML models. - **Security-First Mindset:** Implement "Entitlements" and fraud prevention services with a focus on non-functional requirements like security, scalability, and resilience. - **Collaborative Culture:** Work in a Pod based model, collaborating with Architects, Product Owners, and UX Designers to align technical solutions with business needs. **Who You Are** - **Location:**You live in Kraków or nearby area and you are willing to work in a hybrid mode - twice per week from our office. - **Experience:** You have **5–7+ years** of professional experience building complex, high-traffic products. - **Backend Mastery:** Solid understanding of **Java**, **Spring JPA/Hibernate**, and **Maven**. Experience with **Microservices** (Netflix OSS is a plus) and Cloud technologies. - **Frontend Expertise:** Strong skills in **Angular** and **TypeScript**. You are proficient with **RxJS** and modern build systems (Webpack, Jenkins). Experience with Vue.js is a plus. - **System Design:** You have a solid grasp of **Enterprise Integration Patterns** and can design systems that handle complex data flows between services. - **The "Senior" Edge:** You don't just solve tickets; you identify gaps in tooling, reduce technical debt, and optimize CI/CD pipelines to streamline delivery. - **Communication:** Excellent English (spoken and written). You can confidently explain technical concepts to non-technical stakeholders and get buy-in for your architectural decisions. - **Domain Knowledge:** Previous experience in **Fintech or Banking** is highly considered an advantage. **What We Offer** - **Growth:** €1,000 annual self-development budget, a clear promotion path, and dedicated time for training. - **Rewards:** Competitive base salary plus an annual bonus and referral bonuses. - **Hybrid Work:** A flexible arrangement combining remote work with our vibrant Kraków office. - **Office Perks:** Daily lunches, community breakfasts on Wednesdays, and high-end hardware (MacBook). - **Well-being:** Private healthcare (Luxmed), Headspace app subscription, and a Work-From-Home allowance. - **Culture:** Integration events, flexible working hours, and a focus on healthy work-life balance.