Principal Software Engineer - Revenue Optimzier

Sabre is a technology company that powers the global travel industry. By leveraging next-generation technology, we create global technology solutions that take on the biggest opportunities and solve the most complex challenges in travel.  Positioned at the center of the travel, we shape the future by offering innovative advancements that pave the way for a more connected and seamless ecosystem as we power mobile apps, online travel sites, airline and hotel reservation networks, travel agent terminals, and scores of other solutions. Simply put, we connect people with moments that matter. Sabre is seeking a talented Software Engineer to support the Revenue Optimizer Team, dedicated to revolutionizing airline revenue management through our innovative SabreMosaic™ Continuous Revenue Optimizer. Revenue management is the practice of using data-driven strategies to maximize revenue by optimizing pricing and demand forecasting. In the airline industry, this means dynamically adjusting ticket prices based on real-time demand, customer segmentation, market conditions, and competitive pricing. Our team collaborates closely with leading airlines, to implement cutting-edge solutions that transform revenue management practices. By accurately forecasting demand and optimizing pricing strategies, we empower airlines to maximize revenue potential and enhance customer satisfaction. As a member of our team, you'll be at the forefront of integrating AI-driven technologies into airline systems, contributing to the evolution of modern air travel. Role and Responsibilities: Technical Leadership Drive technical excellence within the team by setting high standards in code quality, performance, and maintainability. Lead by example through deep hands-on involvement in design and implementation. Help guide teams through complex technical challenges, balancing practicality with long-term maintainability. Influence engineering direction through deep domain expertise, not just top-down decisions. Lead teams and initiatives. Coding & Development Write high-quality, maintainable code, often for critical parts of the system. Perform code reviews and ensure adherence to best practices and coding standards. Rapidly prototype solutions and contribute to proof-of-concept work. Mentorship & Collaboration Mentor team members, helping them grow technically. Foster engineering excellence, knowledge sharing, and continuous improvement. Collaborate closely with engineering managers, product owners, and designers. System Design & Architecture Lead or contribute significantly to the design of solutions to complex business problems Make trade-offs in performance, scalability, and cost. Evaluate and adopt new technologies and patterns when appropriate. Cross-Team Impact Work across multiple teams to drive alignment and solve cross-cutting concerns. Serve as a technical liaison across departments (e.g., between backend, frontend, and DevOps). Lead incident response or post-mortem analysis of system failures. Strategic Planning Contribute to long-term technical strategies and roadmaps. Evaluate technical debt, make recommendations, and lead refactoring efforts. Influence organizational processes and tooling to improve engineering productivity. Stakeholder Communication Translate complex technical ideas for non-technical stakeholders. Provide technical guidance during planning and prioritization. Qualifications and Education Requirements: Education & Experience Bachelor’s or Master’s degree in Computer Science or a related field, or equivalent certifications. Minimum 10 years of experience in software development, with a focus on delivering scalable, high-impact solutions. Proven experience in fast-paced Agile environments, with a strong track record of delivering quality software under tight timelines. Technical Expertise Advanced programming and solution design skills, with deep knowledge of Java, Python, and JavaScript ecosystems. Solid UI development experience using React, including component architecture and state management. Strong understanding of computer science fundamentals, including algorithms, data structures, and computational complexity. Hands-on experience working with large-scale datasets and distributed systems. Expertise in Apache Spark and big data processing frameworks. Strong grasp of cloud technologies, particularly Google Cloud Platform (GCP) and related services. Familiarity with CI/CD pipelines, containerization (e.g., Docker, Kubernetes), and cloud-native application development. Leadership & Collaboration Proven ability to lead technical initiatives, make sound decisions, and influence engineering direction. Strong interpersonal and mentoring skills, with the ability to elevate others' technical growth. Experienced in cross-functional collaboration with product, design, and other engineering teams. Problem Solving & Delivery Excellent problem-solving and analytical skills, with a bias for pragmatic, maintainable solutions. Demonstrated ability to navigate ambiguity, make progress without perfect information, and deliver results. Communication & Personal Attributes Proficient English communication skills, both written and verbal. Self-disciplined, proactive, and committed to high-quality outcomes. Passion for continuous learning and staying up to date with industry trends. Work arrangements Hybrid working mode; 3 chosen days from the office in a week Flexible working hours: Maintain your work-life balance by adjusting your working hours to your needs Paid time off Year-End-Break: enjoy additional fully paid days off during the last week of the year Paid parental leave: Take up to 12 weeks off with pay after birth or adoption of a child. Sabre Global Paid Parental Leave runs concurrently with local leave policies. Paid volunteer time: take up to 4 days annually to give your time to a charitable organization of your choice Your money My Benefit platform/Multisport card: enjoy the benefit cafeteria system and use popular sport card Tax deduction: take the opportunity to claim deductible costs, reducing your income tax Employee Capital Plans: profit from long-term saving scheme co-financed by Sabre and the State Treasury Baby Bonus: benefit from one-time allowance on childbirth or adoption  Say Thanks program: collect points on recognition program and transfer them to wide variety of gifts and services Health and wellness Luxmed VIP medical coverage: take care of yourself and your family with the extensive medical package with a broad range of additional services Foreign travel insurance: feel safe going abroad with free Allianz insurance offered as part of our Lux Med package Employee Assistance Program: find help in free, confidential program with a certified counselor Mindfulness & meditation apps: take care of your mental and physical health Life insurance: sign up for free, high coverage life insurance program Career development Professional development: access to e-learning platforms as well as join Sabre live learning sessions Certification and tuition reimbursement Our Communities: join one of our team member groups focused on sharing knowledge and best practices (Google Developers Group, Innovation Lab Community, Women in Technology, SOLVE!T and many more) And more Car and bike parking Fun & Relax zone in modern office: enjoy electronic tables to work, foosball, ping pong, pool table, swings, massage chairs and terraces to admire a panoramic view of Kraków. We have parents’ rooms as well No dress code Innovation Lab: access Augmented Reality & Virtual Reality equipment, Robot construction kit, 3D printers and many more Attractive Referral Bonus: earn $2500 USD for every hired referral We will give careful consideration to your application and review your details against the position criteria. You will receive separate notification as we progress your application. Please note that only candidates who meet the minimum requirements will proceed in the selection process. #LI-Hybrid#LI-KG1 Reasonable Accommodation Sabre is committed to working with and providing reasonable accommodation to applicants with disabilities. Applicants applying for a Sabre position with a disability who require a reasonable accommodation for any part of the application or hiring process may contact Sabre at recruiting@careers.sabre.com. Determinations on requests for reasonable accommodation will be made on a case-by-case basis. Affirmative Action Sabre is an equal employment opportunity/affirmative action employer and is committed to providing employment opportunities to minorities, females, veterans and disabled individuals. EEO IS THE LAW Technical Assistance For technical assistance with this career site, send an email to recruiting@careers.sabre.com. Note: Resumes/CVs are not accepted via email.