The job in short

As a Senior System Engineer, you will join the crossfunctional team (System, Security and Software engineers) owning our Integration Platform as a Service (IPaaS), “Grand Central”. Our platform enables our customers (banks, financial institutions) to build and run integrations in a reliable and efficient way. In this role you will drive its uptime, automation, performance, security, and long-term architecture. Your technical and operational experience will be essential in bringing this platform to the next level. You won't just contribute—you will define and drive the technical roadmap to scale our services and shape the future of our IPaaS.

We are looking for a seasoned, hands-on engineer who is both a strategic thinker and a “doer”.  We expect you to bring deep technical expertise in at least 3 domains: Cloud (Azure), Kubernetes, Istio, Networking, Infrastructure as Code, Automation and Observability. You excel at troubleshooting - diagnosing and resolving the most complex systemic issues, while equally enjoying the challenge of building resilient, scalable systems from the ground up.

What You'll Do

• Own the Architecture: Design, build, and drive the evolution of our Integration Platform running in Azure, ensuring it meets standards of scalability, performance, and resilience.

• Guarantee Platform Integrity: Take ownership of the availability and reliability of the platform.

• Lead Incident Response: Participate in on-call rotations, serving as the final point of escalation for complex issues to ensure maximum reliability and availability.

• Drive Operational Excellence: Proactively identify and eliminate operational inefficiencies through automation, monitoring, and cost management initiatives.

• Mentor and Elevate: Foster a culture of continuous learning and technical excellence by mentoring team members, sharing expertise, and leading by example.

Who You Are

Core Qualifications:

• Extensive Experience: 6+ years of experience in system engineering, with a proven track record of designing, implementing, and running highly-available workloads in enterprise cloud environments.

• Autonomous & Proactive: You work independently, take initiative, and can lead complex projects from concept to completion with minimal oversight.

• Mentorship Mindset: You combine deep technical expertise with a passion for mentorship, providing peers with hands-on guidance and collaborative problem-solving.

• Automation-First Philosophy: Your primary goal is to make every process predictable, repeatable, and fully automated.

• Security Expertise: You possess a deep and practical understanding of cloud infrastructure and software security principles.

Technical Proficiencies:

• Expertise in public cloud: Azure Cloud ( preferred) - practical hands on experience in running and building production infrastructure

• Infrastructure as Code: Expert-level user of Terraform or OpenTofu.

• Kubernetes Ecosystem: Proficient with Helm, Kubernetes, ArgoCD, and Kustomize.

• Service Mesh: Hands-on experience configuring, maintaining, and optimizing Istio.

• Observability: Skilled in using metrics for proactive monitoring and troubleshooting, with strong experience in Prometheus and Grafana, OpenTelemetry.

• Networking: Solid experience with cloud networking concepts (VPN, VNet/VPC, routing, firewalls).

• Programming: Comfortable reading and writing code to solve automation and integration challenges (Python or Go preferred).

Preferred Qualifications (Bonus Points):

• AI assisted operations

• Experience with Knative.

• Significant hands-on work experience with Microsoft Azure.

• Professional background in FinTech or with other IPaaS solutions.

The Job in short

Where Innovation Meets Excellence! We're transforming the banking industry with cutting-edge technology and unparalleled customer experiences. Be part of a dynamic team that's redefining the future of digital banking. Together, we'll create groundbreaking solutions and achieve incredible success. Your journey to making a real impact starts here!"
Backbase created the Backbase Engagement Banking Platform – a unified platform with the customer at the center, helping banks orchestrate seamless journeys across every stage of the customer lifecycle.
                        
From customer onboarding, to customer servicing, customer loyalty and loan origination, we help financial institutions surpass customers’ expectations in every phase of the customer lifecycle.
                        
Built from the ground up with the customer at the heart, our Engagement Banking Platform easily plugs into existing core banking systems and comes pre-integrated with the latest fintechs so financial institutions can innovate at scale.
                        
Industry analysts Forrester, Gartner, Celent, Omdia and IDC continuously recognize Backbase’s category leadership position.

Meet the job

Do you thrive in high-pressure environments and crave a role that pushes the boundaries of technology in Banking? Are you an AI whiz who can adapt and solve problems on the fly? If so, then we want YOU!

We are forming an elite initial team of Navy Seal AI Engineers to spearhead the integration of cutting-edge artificial intelligence into our Banking solutions. This pioneering role demands exceptional technical skills coupled with the unwavering mental and physical fortitude of a Navy Seal.

Responsibilities:
Design, develop, and deploy AI solutions for real-world banking challenges
● Stay abreast of the latest advancements in AI, particularly Large Language Models (LLMs) like LaMDA, Jurassic-1 Jumbo, and emerging technologies like LangChain and HuggingFace transformers;
● Effectively utilize various LLM platforms like HuggingFace, ollama to tailor AI solutions to specific mission needs;
● Collaborate with other members and customers  to understand operational requirements and translate them into actionable AI applications;
● Troubleshoot and maintain deployed AI systems (LLMOps, MLOps, etc), ensuring optimal performance in austere environments;
● Document and share knowledge effectively to train future AI engineers within the team;
● Maintain the highest level of physical fitness and mental preparedness to seamlessly integrate with the SEAL team during operations.

How about You?

● Proficiency in programming languages like Python, Java, or C++;
● In-depth understanding of machine learning algorithms and deep learning architectures;
● Experience with cloud computing platforms (e.g., AWS, Azure);
● Exceptional problem-solving skills and the ability to think critically under pressure;
● Excellent communication and collaboration skills to work effectively within a team.

• 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.

• 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.

• 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.