Backend Engineer

Backbase

The Job in short Backbase is on a mission to help banks re-architect around the customer and embrace the era of Engagement Banking. We are looking for a Senior Backend Engineer to strengthen our team. As a Backend Engineer you will join a Product team in our Business Banking value stream within the R&D department and you will focus on creating a solution that allows banks to seamlessly service customers and employees by crafting memorable and engaging banking experiences. By joining Business Banking Tribe in Poland you will have the opportunity to work on Entitlements which provide a set of web journeys designed to control user access and limit what financial institution employees and customers can do with the resources they have access to. Positive Pay, a fraud prevention service enables bank customers to set multiple ACH rules for their accounts and forbid transactions that do not comply with the defined rules. And many more capabilities designed and built in Krakow.     Meet the Job As part of the team, you will contribute to new and existing functionalities, proof of concepts, and technical improvements that will be implemented in the Digital Banking Platform. Your autonomous team is responsible for the entire software development life cycle for the digital banking product suite: from idea to release. You are expected to take ownership of what you build and proactively collaborate with architects, QA engineers and other team members to ensure implementation is done according to our technical vision and best practices. R&D way of working is inspired by the Spotify Model. We are organized in Value Streams (e.g. Business Banking), Tribes, Guilds and Chapters where engineers can exchange knowledge and share new ideas. Business Banking squads follow Scrum with two-week sprints, delivering product increment in monthly releases. We offer a hybrid working model which is a location-flexible arrangement that allows people to combine on-site and off-site work.     How about you ● You have a solid background in software development including design; ● You are able to communicate clearly and confidently across all levels to get buy-ins from technical stakeholders as well as from your team members; ● Experience in the banking domain or Fintech products will be considered an advantage; ● You have excellent communication skills in English, spoken and written; ● You have a solid understanding of Java, Maven, CI and CD; ● You have experience with relational databases and Spring JPA / Hibernate; ● You have experience with microservices (Netflix OSS is a plus); Cloud and Apache Tomcat; ● You have experience with non-functionals such as security, performance, scalability etc.; ● You have a solid understanding of Enterprise Integration Patterns. Why Backbase? At Backbase, you’ll work in an environment that values innovation over bureaucracy. You will have the opportunity to own the AI lifecycle from ideation to global deployment, impacting millions of banking customers worldwide.

Backbase

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.

Stegra Boden AB

Studies show that women and underrepresented groups often hesitate to apply unless they meet every requirement. At Stegra, we’re building an impact-driven, sustainable company - and we need a diverse, inclusive team to make it happen. If you share our passion but don’t meet every qualification, we encourage you to apply anyway. You might be the perfect fit for this role, or another as we grow. At Stegra, we’re not just building a plant, we’re proving that sustainable industry is possible. And to do that, we need people like you. Join a team where safety comes first. Where we support each other, learn as we go, and make space for everyone to grow and contribute. This is your chance to be part of something big - while being closer to nature and leading a balanced, purposeful life. Backend Engineer – Digital Enterprise (HR & Finance) At Stegra, we are building a next-generation steel plant - and digital capabilities are a core part of how we operate, optimize, and scale our operations. We believe the best digital solutions are created close to the business, by teams who understand both the context and the technology. Our teams work cross-functionally to build solutions that are scalable, maintainable, and create real value. We are now looking for a Backend Engineer to join our Digital Domain supporting HR and Finance. What you’ll do In this role, you will be part of a cross-functional team within our Digital Enterprise function, working closely with both business and technical colleagues. Your day-to-day work will include: Developing and maintain backend services that enable reliable HR and Finance operations Designing APIs and integrations that enable reliable and scalable communication between systems Working with both synchronous and asynchronous patterns, including event-driven approaches where relevant Contributing to how services are structured, interact, and evolve over time Collaborating with HR and Finance stakeholders to understand needs and turn them into working solutions Breaking down problems into clear technical components and development tasks Ensuring that security, data protection, and access control are embedded in the solutions we build How we work Modular, microservice-based architecture Combination of well-designed APIs and event-driven integrations Integration treated as a core capability Systems designed to evolve and be replaceable over time Iterative development - delivering early and improving continuously We make use of modern tools, including AI-assisted development, while placing strong emphasis on understanding problems, making sound technical decisions, and building solutions that work in practice. What you’ll bring A degree in Computer Science, Engineering, or equivalent experience A few years of experience in backend development Experience working with APIs and/or microservice-based systems Interest in how systems are designed and how components interact over time Familiarity with asynchronous patterns (events, messaging, queues) Ability to break down complex problems into structured technical solutions Comfortable working directly with both technical and non-technical stakeholders Interest in understanding business processes and how digital solutions support them Meriting: Experience with Kotlin / Spring or similar Experience with cloud, DevOps practices, or CI/CD Experience working with testing, monitoring, or production systems How you will grow We believe the best engineers don’t work in silos. While your core will be backend, you’ll have the opportunity to understand and contribute across the full stack - from data to frontend - and to take increasing responsibility for how services are designed, interact, and evolve over time, supported by experienced colleagues in each area. Benefits at Stegra At Stegra, you’ll join a company where your work has real impact on the climate, the industry, and future generations. We’re building a culture rooted in safety, trust, and inclusion, where people feel supported to grow and thrive. You’ll receive fair, competitive compensation aligned with collective agreements, along with benefits like up to 30 days of paid vacation, occupational pension, parental benefits, and insurance. If you need support with relocation or immigration, our relocation department will help guide you through the process, whether it’s permits, housing or other practical matters. You can also enjoy perks like subsidized gym memberships and bike leases, plus the everyday benefits of life closer to nature. This is Stegra Stegra is on a mission to change the global steel industry by producing green hydrogen, iron, and steel - with the goal of eliminating CO₂ emissions. Instead of coal, we use green hydrogen and fossil-free electricity, meaning our primary emissions will be water and heat. By 2030, our ambition is to produce 5 million tonnes of green steel annually in our fully integrated, digitized, and sustainable plant in Boden, Northern Sweden - currently under construction. But this is just the beginning. Our expertise in green hydrogen will enable us to decarbonize industries beyond steel, paving the way for a cleaner future. Our Stockholm Office Our modern Stockholm office is located on Norra Stationsgatan, close to Karolinska University Hospital in central Stockholm. Here, you’ll find a bright, collaborative workspace where cross-functional teams connect, share ideas, and drive progress. Whether you're visiting regularly or working hybrid, you'll be part of a vibrant office culture with easy access to the city’s energy and amenities.