Sr.Software Engineer (Java) w Warszawa, Polska

Dream Big. Go Beyond. Be Unstoppable. About Us Kyriba is a global fintech leader empowering CFOs and finance teams with cloud-based treasury, payments, risk management and working capital solutions. We serve 3,000+ customers worldwide, managing $15 trillion in payments annually and helping businesses optimize liquidity performance across the enterprise. We're on a mission to become the most sought-after cloud technology company globally. We think big, innovate relentlessly, and challenge the status quo every day. If you are a problem-solver who’s ready to push boundaries and achieve more than you thought possible-you'll find an exceptional career within an extraordinary business. Location: Warsaw About the role We are looking for a passionate Senior Software Engineer to join our Payment Advanced Routing Team based in Poland and France. Our team is dedicated to developing the payments processing core of our SaaS solution. Crucially, our system is engineered to rapidly process massive volumes of payments with the lowest possible latency. Our architecture is primarily based on microservices, though we maintain and integrate with legacy monolithic systems. In this role, you will drive the development of new microservices while ensuring smooth operation and modernization of existing systems. We are looking for a candidate with deep technical insight who is determined to understand the root causes of complex problems and has proven experience navigating both legacy codebases and modern, distributed environments. We value proactive engineers who propose innovative solutions to minimize technical debt and optimize system scalability. Responsibilities Actively participate in architecture definition and develop robust architectural designs for our solutions. Discuss requirements with Product Owners and the Agile Team to design the most effective and scalable solutions. Collaborate with engineers outside of your immediate team to deliver efficient, high-quality outcomes. Autonomously develop new business modules and functions tailored for high-throughput processing. Refactor and optimize existing code to improve performance and limit technical debt. Ensure high-quality deliverables through modern modular design, test-driven development, and robust test automation. Take full ownership of the performance, scalability, and reliability of your software. Drive continuous improvement in engineering processes, technology stack, and best practices. Requirements 12+ years of experience in Java development (Spring) and working with complex distributed systems. Proven experience working with both monolithic and microservice architectures. Strong knowledge and practical experience in scaling applications to efficiently handle large volumes of data and high-throughput processing. Practical, project-proven experience with Kubernetes and Kafka. Strong practical knowledge of good software engineering practices: TDD/BDD, DDD, OOP, FP, Clean Code, API design, and CI/CD. Familiarity with modern deployments and system observability (alerts, metrics, tracing). Solid experience with database design and a strong working knowledge of SQL. Effective verbal and written communication skills in English. A positive, team-oriented attitude, eagerness to learn and grow, a proactive approach, an engineering mindset, and strong problem-solving skills. Benefits Contract Options: Permanent contract (UoP). Compensation: Annual salary increase based on individual performance and a 15% yearly bonus. Work Environment: Fully remote work from anywhere in Poland or on-site work from our Warsaw office. Equipment: MacBook Pro or a Dell laptop with Linux. Productivity Tools: Access to cutting-edge AI tools to enhance your daily efficiency. Professional Development: Access to Coursera, Pluralsight, LinkedIn Learning, and opportunities to attend major industry conferences (e.g., Devoxx). International Collaboration: Work closely with international software development teams and participate in engaging team-building events. Additional Benefits for Permanent Employees (UoP) Tax Benefits: Creative work tax deduction (KUP 80%). Comprehensive Perks: Medical, sports, and life insurance, a lunch card, and an employee capital plan (PPK). Our Values Guide Everything We Do Think Big & Constantly Innovate: We have the confidence to think big, embrace change, challenge the status quo, and continuously evolve - incorporating new technologies and driving industry progress. Put our Customers’ Outcomes First: We are passionate about delivering the highest value for our customers and supporting them with end-to-end care throughout their journey with us. Act with Integrity: Integrity is at the heart of everything we do. We take personal responsibility for our actions, own our decisions, and honour each other’s contributions. We empower each other through honesty, respect, trust and transparency. Work as One Team: We are driven by our common goals and share in each other’s successes and failures, learning and working together as a team where everyone can bring their best selves. Strive for Excellence while Having Fun: We enjoy tackling new challenges together, and revel in continuous improvement as we deliver, with ultimate professionalism, the very best for our customers, while exceeding our own expectations. At Kyriba we value pay transparency and fairness. For new hires, the annual base salary range for this role is zł233,500.00 - zł350,350.00 based on a full-time schedule. Salary can progress beyond this range through sustained performance and demonstrated success in the role. In addition to base pay, this position may be eligible for variable compensation (eg. performance bonus or commission-based plan) and a long-term incentive. The final package will be determined by factors such as skills, experience and qualifications. Kyriba also offers a comprehensive compensation package, including a range of health, welfare and wellbeing benefits designed to support both your professional and personal life. Kyriba believes that everyone has the ability to make an impact, and we are proud to be an equal opportunity employer committed to providing employment opportunity regardless of sex, race, creed, color, gender, religion, marital status, domestic partner status, age, national origin or ancestry, physical or mental disability, medical condition, sexual orientation, pregnancy, military or veteran status, citizenship, and genetic information. We aim to make our recruitment process accessible to everyone. 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