Technical Leader

🏢 Summary: Senior Java Developer role focused on building and maintaining a high-performance airline retailing and merchandising platform with personalized offers, dynamic pricing, and real-time shopping experiences. The position involves developing scalable cloud-native services, integrating microservices, and supporting booking, ticketing, search optimization, and pricing systems using Java and GCP technologies. The role also includes collaboration with SRE, security, and product teams in an Agile environment. 🗂️ Requirements: 6+ years of professional software development experience, Strong expertise in Java, Experience with Enterprise Java, Experience with Spring Boot, Knowledge of REST web services, Knowledge of JSON, Knowledge of XML, Knowledge of SOAP, Experience with Google Cloud Platform, Experience with Kubernetes deployments, Experience with CI/CD pipelines, Knowledge of Unix/Linux, Ability to troubleshoot production and test environments, Experience translating business requirements into technical designs, Familiarity with Agile/Scrum methodologies, Communicative English, Communicative Polish, Legal work permit in Poland 📃 Skills: Java, Spring, SpringBoot, REST, JSON, XML, SOAP, GCP, GKE, Kubernetes, CI/CD, Linux, Unix, DevOps, Rally, Scrum 🏢 Description: Project info: The airline retailing and merchandising platform enables airlines to create personalized offers and dynamic pricing for customers. The team is responsible for delivering a modern, omni-channel, real-time retailing shopping experience and reducing costs through consolidation of common components, including offer management systems. This is an opportunity to work on a critical and operationally complex high-performance product that interacts with several mission-critical products. The role provides exposure to high-performing products and opportunities for career growth. Quick Facts: - System Integration: Facilitating robust and efficient communication between internal microservices and proprietary components. - Booking & Ticketing Lifecycle: Supporting transactional flows including reservations, refunds, and exchanges. - Search & Optimization: Developing backend algorithms to generate optimal flight connections. - Financial Calculations: Handling pricing engines, fare structures, and cost-assessment calculations. Responsibilities: - Design, code, test, and build high-quality enterprise software according to requirements. - Leverage AI-assisted development tools to improve coding efficiency, code comprehension, and test generation. - Perform unit testing and maintain code quality, security, and performance standards. - Design, build, deploy, and operate scalable services using Google Cloud Platform (GCP). - Collaborate with platform, security, and SRE teams to align solutions with cloud, security, and reliability standards. - Support the Technical Product Manager in preparing and refining requirements. - Provide input to story prioritization, technical tradeoffs, estimation, and sizing activities. - Participate in Scrum ceremonies, release planning, and technical reviews. - Update status in Rally and contribute to improving engineering and DevOps practices. Requirements: - Minimum 6+ years of professional software development experience. - Strong expertise in Java / Enterprise Java and Spring Boot. - Solid knowledge of REST, JSON, XML, and SOAP web services. - Experience with Google Cloud Platform services including Compute/GKE, networking, security, storage, messaging, and monitoring tools. - Familiarity with containerized and cloud-native architectures, including Kubernetes. - Experience with CI/CD pipelines and cloud-integrated DevOps practices. - Solid Unix/Linux knowledge. - Ability to troubleshoot issues in test and production environments. - Experience translating business requirements into technical designs and documentation. - Familiarity with Agile/Scrum methodologies and shift-left testing. - Communicative English and Polish. - Legal work permit in Poland. Benefits: - Hybrid work model combining office and remote work. - Attractively located office with collaboration spaces. - Onsite parking space. - Referral program with financial bonus. - Life insurance. - Development budget including language courses. - Access to internal learning platform and professional training. - Access to MyBenefit platform including Multisport. - Team building activities. - Charity initiatives. - Inclusive and diverse working environment. - Private medical care – Platinum Package.

🏢 Summary: Senior backend engineering role focused on building and maintaining high-volume travel and transactional systems using Java microservices architecture. The position involves developing REST and gRPC services, deploying cloud-native solutions on GCP and Kubernetes, and supporting booking, ticketing, pricing, and integration workflows. The role also includes CI/CD participation, production support, troubleshooting, and mentoring junior developers. 🗂️ Requirements: 8+ years of experience with Java, Experience with Spring Boot, Experience building microservices, Experience developing REST APIs, Experience developing gRPC services, Hands-on experience with GCP, Hands-on experience with Docker, Hands-on experience with Kubernetes, Knowledge of GitHub, Knowledge of Jenkins or GitHub Actions, Familiarity with Prometheus, Familiarity with Stackdriver or Cloud Monitoring, Basic scripting skills in Python or Bash, Experience with WireMock, Experience with performance testing, Legal work permit in Poland 📃 Skills: Java, Spring, SpringBoot, Microservices, REST, gRPC, GCP, Docker, Kubernetes, GitHub, Jenkins, GitHubActions, Prometheus, Stackdriver, CloudMonitoring, Python, Bash, WireMock 🏢 Description: A largescale, highly complex initiative focused on the development and maintenance of core internal systems. The project ensures seamless communication and integration between various backend components responsible for critical, high-volume travel and transactional operations. Key Functional Areas: System Integration: Facilitating robust and efficient communication between internal microservices and proprietary component. Booking & Ticketing Lifecycle: Supporting core transactional flows, including ticket reservations, refunds, and exchanges. Search & Optimization: Powering backend algorithms designed to find and generate the most optimal flight connections. Financial Calculations: Handling complex pricing engines, fare structures, and diverse cost-assessment calculations. Responsibilities: Design, develop, test and maintain backend applications using Java and Spring Boot. Build and support RESTful APIs and gRPC services. Develop solutions deployed on Google Cloud Platform (GCP) and Kubernetes. Collaborate with QA, SRE, and Product teams. Participate in CI/CD processes, deployments, and production support. Provide support during release cycles, including smoke testing, manual validation. Troubleshoot issues using logs, metrics, and monitoring tools. Conduct code reviews, mentor junior developers, and participate in an on-call rotation. Requirements: 8+ years of experience with Java and Spring Boot. Experience building microservices, REST APIs, and gRPC services. Hands-on experience with GCP, Docker, and Kubernetes. Knowledge of GitHub, Jenkins, or GitHub Actions. Familiarity with monitoring tools such as Prometheus and Stackdriver/Cloud Monitoring. Basic scripting skills in Python or Bash. Experience with WireMock and performance testing. Must possess a legal work permit in Poland Benefits: General benefits - depends on the form of employment Hybrid work model combining office & remote work Attractively located office with collaboration spaces Onsite parking space for employees Referral program with financial bonus Life Insurance Budget for development (including language courses and others), clear career path with the possibility to gain experience in international environment Access to internal Learning Platform with multiple trainings oriented for professional growth Lifestyle benefits: Access to MyBenefit platform (Multisport included) Team Building activities Charity initiatives Working environment promoting diversity and inclusion Health benefits: Private medical care - Platinum Package

🏢 Summary: Backend C++ developer role focused on building and optimizing a high‑performance air‑shopping engine used to search and deliver low‑fare flight solutions. The position involves developing reliable components, understanding complex data flows, and designing technical solutions in a large‑scale travel industry transformation supported by cloud technologies. 🗂️ Requirements: Excellent knowledge of C++ in UNIX/Linux environment, Very good knowledge of STL and Boost libraries, Strong understanding of object-oriented design, Knowledge of design patterns, Practical experience with unit testing, Experience with Linux, Experience with web technologies (HTTP, Tomcat, Apache) 📃 Skills: C++, UNIX, Linux, STL, Boost, OOP, DesignPatterns, UnitTesting, HTTP, Tomcat, Apache 🏢 Description: Project info: A high‑performance air‑shopping engine provides optimal solution sets to maximize shopping efficiency in a feature‑rich environment while maintaining the lowest reasonable costs. These solutions are used by travel agencies, online users, and airline reservation agents to find available and applicable low‑fare options for specific dates or calendar‑based searches. Customers can tailor their requests with qualifiers that include alternate airlines, airports, cities, flight times, inventory, and other search criteria. You will have the opportunity to work with best‑in‑class Subject Matter Experts — both technical and business — and contribute daily to one of the largest technology transformations in the travel industry, fully supported by Google Cloud Platform. Responsibilities: Developing backend applications using Agile methodologies Coding, unit- testing and refactoring highly reliable components Understanding existing data flows, both technical and functional requirements for shopping data Designing and proposing technical solutions Job requirements: Excellent knowledge of C++ programming in UNIX/Linux environment Very good knowledge of STL, boost libraries, object-oriented design and design patterns Knowledge of Java will be considered as a plus Excellent problem solving and analytical skills Good English communication skills; written and verbal Self-disciplined and commitment-oriented approach to work Practical knowledge of unit testing, Experience in Linux and web technologies (HTTP, Tomcat, Apache) Must possess a legal work permit in Poland Benefits: General benefits Hybrid work model combining office & remote work Onsite parking space for employees Referral program with financial bonus Life Insurance Budget for development (including language courses and others), clear career path with the possibility to gain experience in international environment Access to internal Learning Platform with multiple trainings oriented for professional growth Lifestyle benefits: Access to MyBenefit platform (Multisport included) Charity initiatives Working environment promoting diversity and inclusion Health benefits: Private medical care - Platinum Package

🏢 Summary: Senior C++ Developer role focused on building and enhancing a high-performance airline retailing and merchandising platform enabling personalized offers and dynamic pricing. The position involves designing and developing modern, cloud-based microservices and critical system components in a real-time, mission-critical environment. The role includes coding, code reviews, performance optimization, and resolving complex production issues. 🗂️ Requirements: 5+ years of hands-on experience with Modern C++, Bachelor’s degree in Computer Science or related field, Experience with cloud deployments, preferably GCP, Experience in building or enhancing microservices, Strong knowledge of data structures and algorithms, Strong understanding of distributed systems and systems architecture, Experience in developing and operating cloud-based applications, Ability to design, code, test, and debug complex systems, Legal work permit in Poland 📃 Skills: C++, GCP, Cloud, Microservices, Algorithms, DataStructures, DistributedSystems, SystemsArchitecture, Linux, Git 🏢 Description: For our client we’re looking for a talented and motivated Senior C++ Developer. The airline retailing and merchandising platform that enables airlines to create personalized offers and dynamic pricing for customers. Team is responsible to deliver modern, omni-channel, real-time retailing shopping experience. Provide reduced cost through consolidation of common components including consolidation of offer management system. This is a unique opportunity to work on a critical and operationally complex high-performance product that also interacts with several of mission critical products. That will help the selected candidate to work on high-performing products as well expose opportunity to other products and enable the candidate to grow in their career. Identifying technical design and clarifies implementation Reviewing code to ensure meet of Definition of Done and collaboratively codes with the team Developing, coding, testing and debugging new moderately complex software solutions or enhancements to existing software in a maintenance capacity Designing and coding critical system components in accordance with established coding standards and guidelines Creating new ideas to improve application performance and stability Working collaboratively with team across geographical locations Resolving customer complaints with software and responding to suggestions for improvements and enhancements Proactively understands business domain knowledge Effectively working in interaction with other Developers, QA and business analysts Being able to work under pressure to investigate and resolve real-time issues Minimum 5+ year of hands-on Modern C++ programming Bachelor's degree in computer science or a related field Experience in Cloud deployments, Preferably in GCP Solid tech background in creating new/or enhancing existing microservices Deep knowledge in functional programming, data structures, algorithms, distributed systems and systems architecture Developing applications for cloud computing, design, maintaining and operating cloud systems/microservices and applications, keep cloud systems secure Fully testing and integrating with all the other products/applications, understand the language of business, and developing to address the business’s needs Travel industry knowledge as the advantage Must possess a legal work permit in Poland General benefits - depends on the form of employment Remote work Referral program with financial bonus Budget for development (including language courses and others), clear career path with the possibility to gain experience in international environment Access to internal Learning Platform with multiple trainings oriented for professional growth Lifestyle benefits: Access to MyBenefit platform (Multisport included) Team Building activities Charity initiatives Working environment promoting diversity and inclusion

🏢 Summary: Senior C++ Developer role focused on building and maintaining high-performance, cloud-native microservices for an airline retailing and dynamic pricing platform. The position involves developing distributed systems in GCP, ensuring code quality, security, and low-latency performance within a standardized CI/CD environment. This is a hands-on role in a complex, mission-critical product interacting with multiple integrated systems. 🗂️ Requirements: Minimum 5 years of professional experience in C++ development, Strong expertise in modern C++ (11/17), Experience designing and developing C++ microservices, Experience with high-performance distributed systems in GCP, Hands-on experience with gRPC and REST APIs, Experience with GCP Pub/Sub, Knowledge of OAuth2 and JWT, Strong understanding of data structures and algorithms, Experience with multithreading, Experience with Git-based workflows, Experience with CI/CD toolchains (Bazel or Maven), Experience optimizing low-latency applications and memory management, Experience working with containerized environments, Bachelor’s degree in Computer Science or related field, Legal work permit in Poland 📃 Skills: C++, GCP, gRPC, PubSub, REST, JSON, OAuth2, JWT, Git, Bazel, Maven, GoogleTest, Multithreading, Algorithms, Microservices, CICD 🏢 Description: Project Info: For our client we’re looking for a talented and motivated Senior C++ Developer based in Kraków or the surrounding area. The airline retailing and merchandising platform that enables airlines to create personalized offers and dynamic pricing for customers. Team is responsible to deliver modern, omni-channel, real-time retailing shopping experience. Provide reduced cost through consolidation of common components including consolidation of offer management system. This is a unique opportunity to work on a critical and operationally complex high-performance product that also interacts with several of mission critical products. That will help the selected candidate to work on high-performing products as well expose opportunity to other products and enable the candidate to grow in their career. Responsibilities: Accountable to build high-quality, cloud-native software within a standardized CI toolchain Collaboratively codes, tests, and builds services in a shared monorepo environment Performs meaningful unit testing using Google Test Accountable to maintain code quality and ensure cloud systems remain secure and integrated Provides input to story prioritization and leads small development pods or workstreams as needed Supports Technical Product Manager in preparation of requirements for each release Attends scrum ceremonies and updates status in Rally on a daily basis Continuously works with global teams to improve technical practices across time zones Attends release planning meetings and technical reviews Provides implementation coverage and on-call support, including warranty phases Takes a proactive approach to continuous learning and self-guided problem solving Requirements: Minimum 5 years of professional experience as a C++ Developer Designing, coding, and debugging modern C++ microservices Developing and operating high-performance distributed systems in GCP Expertise in: Modern C++ (11/17), Multithreading, and Data Structures Expertise in: gRPC, GCP Pub/Sub, and REST/JSON APIs Understanding of: OAuth2, JWT, and cloud security best practices Solid knowledge of Algorithmic thinking and Distributed Systems Architecture Fluency in Git-based workflows and large-scale CI/CD toolchains (Bazel/Maven) Optimizing low-latency applications and complex memory management Troubleshooting and responding to unexpected events in a containerized environment Translating business needs into technical implementation details for the travel industry Maintaining and enhancing core microservices architecture within a shared codebase Assisting in the development of software technical documentation and CI/CD workflows Bachelor’s degree in Computer Science or a related field Experience collaborating with global, distributed engineering teams Must possess a legal work permit in Poland Benefits: General benefits - depends on the form of employment Hybrid work model – 3 days per week in the office Referral program with financial bonus Budget for development (including language courses and others), clear career path with the possibility to gain experience in international environment Access to internal Learning Platform with multiple trainings oriented for professional growth Lifestyle benefits: Access to MyBenefit platform (Multisport included) Team Building activities Charity initiatives Working environment promoting diversity and inclusion

🏢 Summary: Senior C++ Developer role focused on building and maintaining high-performance, cloud-native microservices for an airline retailing platform enabling dynamic pricing and personalized offers. The position involves developing distributed systems in GCP, ensuring code quality within a shared monorepo and CI/CD environment, and supporting mission-critical, real-time services. The role combines hands-on development, technical leadership, and operational support in a global engineering setup. 🗂️ Requirements: Minimum 5 years of professional experience as C++ Developer, Experience designing, coding, and debugging modern C++ microservices, Experience developing and operating high-performance distributed systems in GCP, Expertise in Modern C++ (11/17), Strong knowledge of multithreading, Strong knowledge of data structures, Experience with gRPC, GCP Pub/Sub, and REST/JSON APIs, Understanding of OAuth2, JWT, and cloud security best practices, Solid knowledge of algorithms and distributed systems architecture, Experience with Git-based workflows and CI/CD toolchains (Bazel or Maven), Experience optimizing low-latency applications and complex memory management, Experience troubleshooting in containerized environments, Bachelor’s degree in Computer Science or related field, Legal work permit in Poland 📃 Skills: C++, C++11, C++17, Multithreading, DataStructures, gRPC, GCP, PubSub, REST, JSON, OAuth2, JWT, Git, CI/CD, Bazel, Maven, Algorithms, DistributedSystems, Docker, Containers, GoogleTest 🏢 Description: Project info: For our client we’re looking for a talented and motivated Senior C++ Developer. The airline retailing and merchandising platform that enables airlines to create personalized offers and dynamic pricing for customers. Team is responsible to deliver modern, omni-channel, real-time retailing shopping experience. Provide reduced cost through consolidation of common components including consolidation of offer management system. This is a unique opportunity to work on a critical and operationally complex high-performance product that also interacts with several of mission critical products. That will help the selected candidate to work on high-performing products as well expose opportunity to other products and enable the candidate to grow in their career. Responsibilities: Accountable to build high-quality, cloud-native software within a standardized CI toolchain Collaboratively codes, tests, and builds services in a shared monorepo environment Performs meaningful unit testing using Google Test Accountable to maintain code quality and ensure cloud systems remain secure and integrated Provides input to story prioritization and leads small development pods or workstreams as needed Supports Technical Product Manager in preparation of requirements for each release Attends scrum ceremonies and updates status in Rally on a daily basis Continuously works with global teams to improve technical practices across time zones Attends release planning meetings and technical reviews Provides implementation coverage and on-call support, including warranty phases Takes a proactive approach to continuous learning and self-guided problem solving Requirements: Minimum 5 years of professional experience as a C++ Developer Designing, coding, and debugging modern C++ microservices Developing and operating high-performance distributed systems in GCP Expertise in: Modern C++ (11/17), Multithreading, and Data Structures Expertise in: gRPC, GCP Pub/Sub, and REST/JSON APIs Understanding of: OAuth2, JWT, and cloud security best practices Solid knowledge of Algorithmic thinking and Distributed Systems Architecture Fluency in Git-based workflows and large-scale CI/CD toolchains (Bazel/Maven) Optimizing low-latency applications and complex memory management Troubleshooting and responding to unexpected events in a containerized environment Translating business needs into technical implementation details for the travel industry Maintaining and enhancing core microservices architecture within a shared codebase Assisting in the development of software technical documentation and CI/CD workflows Bachelor’s degree in Computer Science or a related field Experience collaborating with global, distributed engineering teams Must possess a legal work permit in Poland Benefits: General benefits - depends on the form of employment Remote work Referral program with financial bonus Budget for development (including language courses and others), clear career path with the possibility to gain experience in international environment Access to internal Learning Platform with multiple trainings oriented for professional growth Lifestyle benefits: Access to MyBenefit platform (Multisport included) Team Building activities Charity initiatives Working environment promoting diversity and inclusion

🏢 Summary: Senior Software Quality Engineer role focused on testing and quality assurance for an airline retailing and merchandising platform delivering personalized offers and real-time shopping experiences. The position involves designing and maintaining automated test frameworks, executing functional and integration testing, and collaborating across engineering teams to ensure product quality. The role also emphasizes AI-assisted testing, Agile collaboration, and quality engineering for high-performance, mission-critical systems. 🗂️ Requirements: 4-6 years of experience in software testing or quality engineering, Strong knowledge of software testing methodologies and quality metrics, Programming skills in Java, Hands-on experience with Cucumber, Selenium, JMeter, SoapUI or equivalent frameworks, Experience with AI-assisted testing and quality tools, Ability to apply risk-based testing decisions, Experience with authentication and authorization testing, Experience designing and maintaining automated tests, Strong English communication skills, Familiarity with Agile/Scrum and shift-left testing, Working knowledge of Unix/Linux commands, Knowledge of application servers, Ability to configure and troubleshoot test environments, Legal work permit in Poland 📃 Skills: Java, Cucumber, Selenium, JMeter, SoapUI, Agile, Scrum, Unix, Linux, Tomcat, API, AuthN, AuthZ, Rally, AI 🏢 Description: Project info: For our client we’re looking for a talented and motivated Senior Software Quality Engineer. The airline retailing and merchandising platform that enables airlines to create personalized offers and dynamic pricing for customers. Team is responsible to deliver modern, omni-channel, real-time retailing shopping experience. Provide reduced cost through consolidation of common components including consolidation of offer management system. This is a unique opportunity to work on a critical and operationally complex high-performance product that also interacts with several of mission critical products. That will help the selected candidate to work on high-performing products as well expose opportunity to other products and enable the candidate to grow in their career. Responsibilities: Creates and maintains test plans (functional, regression, and integration) Designs, implements, and maintains test cases with full traceability to requirements and story cards Develops and maintains automated regression test suites Utilizes AIassisted testing tools to accelerate test design, improve coverage, and identify edge cases Executes functional, regression, and nonfunctional testing Identifies defects, documents findings, and collaborates with the scrum team on resolution Accountable for overall product quality across functional, regression, and integration testing Actively promotes collaboration and quality mindset within the scrum team Provides input into release milestones and readiness assessments Coordinates test planning and execution across multiple environments Produces and communicates quality metrics and risk assessments Attends and contributes to scrum ceremonies Updates testing status in Rally on a daily basis Collaborates with Software Engineers to ensure appropriate test coverage for all new or changed functionality Participates in estimation and sizing activities Engages early in solution design discussions to influence testability and quality Job requirements: 4-6 years of professional experience in software testing or quality engineering Strong understanding of software testing methodologies, processes, and quality metrics Programming skills in Java Automation tools & frameworks: hands-on experience with tools such as Cucumber, Selenium, JMeter, SoapUI, or equivalent testing frameworks Experience using AIassisted testing and quality tools, such as: AIsupported test case generation, Intelligent defect analysis and triage assistance, AIassisted exploratory testing and edgecase identification Ability to balance AIgenerated insights with engineering judgment and riskbased testing decisions AIdriven test development with ownership: effective use of AI tools to improve test coverage, speed, and insight while retaining accountability for test design, correctness, security, and maintainability Authentication & authorization testing: experience validating functional and edgecase behavior of authN/authZ flows through API and integration tests Crossteam collaboration: effective partnership with Software Engineering, Platform, Security, and SRE teams to promote a share quality mindset Strong collaboration and communication skills across engineering, product, and platform teams Test automation engineering: programming proficiency in Java for designing and maintaining automated tests Communication: strong English communication skills, written and verbal, suitable for crossgeo and crossfunctional collaboration SDLC & Agile practices: familiarity with Agile/Scrum development methodologies and shiftleft testing approaches Systems & tooling awareness: basic working knowledge of Unix/Linux commands and application servers (e.g., Tomcat) Test environment management: ability to configure, validate, and troubleshoot test environments Must possess a legal work permit in Poland Benefits: General benefits - depends on the form of employment Hybrid work model or remote work Attractively located office with collaboration spaces Onsite parking space for employees Referral program with financial bonus Life Insurance Budget for development (including language courses and others), clear career path with the possibility to gain experience in international environment Access to internal Learning Platform with multiple trainings oriented for professional growth Lifestyle benefits: Access to MyBenefit platform (Multisport included) Team Building activities Charity initiatives Working environment promoting diversity and inclusion Health benefits: Private medical care - Platinum Package

🏢 Summary: Senior Software Engineer role focused on building and maintaining a next-generation airline Order Management System using cloud-native microservices on Google Cloud Platform. The position involves designing scalable, low-latency backend systems, driving architectural improvements, and mentoring teams in an Agile/Scrum environment. The platform processes millions of global travel transactions and supports modern e-commerce-driven airline operations. 🗂️ Requirements: 6+ years of professional software development experience, Experience in Agile/Scrum environments, Degree in Computer Science or equivalent certifications, Advanced backend programming in Java, Experience with Spring and Web Services, Knowledge of Google Cloud Platform, Experience with cloud-native application development, Understanding of algorithms, data structures, and computational complexity, Experience with CI/CD pipelines, Experience with containerization tools, Ability to troubleshoot high-volume low-latency systems, English communication skills, Legal work permit in Poland 📃 Skills: Java, Spring, GCP, Git, Maven, Jenkins, Docker, Kubernetes, CI/CD, Scrum, Microservices, WebServices, Algorithms, Cloud 🏢 Description: Project Info: Join our global, decision-driving team based in Krakow and become a key player in fundamentally transforming the global travel industry. We are designing, building, and maintaining a next-generation, high-scale, and low-latency Order Management System for airlines. Our mission is to replace legacy ticketing with a modern, e-commerce-driven "Offer & Order" ecosystem. We develop scalable, microservice-based, and cloud-oriented architectures running on Google Cloud Platform (GCP). This is a mission-critical platform where we leverage AI productivity tools to securely process millions of global transactions and support millions of traveling passengers daily. If you want to tackle complex state management, work with mature Scrum processes, and build a massive market differentiator, this journey is for you. Responsibilities: As a Senior Software Engineer, you will plan, design, develop, and test complex software systems, having a direct impact on our architectural direction. Your main duties will include: Development & Design: Developing, coding, testing, and debugging complex software solutions and new cloud-native microservices using advanced technologies. Architecture & Innovation: Actively designing prototypes, proposing architectural enhancements, and handling the complete lifecycle of dynamic travel baskets and seamless legacy system integrations. Quality & Best Practices: Encouraging high coding standards, promoting best practices, and ensuring top-tier software quality. Mentorship & Leadership: Providing technical mentorship and cultural/competency-based guidance to the team, sharing larger business/product context, and mentoring on specific tech stacks. Collaboration: Regularly interacting with architects, product managers, and technical panels to align business requirements with advanced technology. Representing the team in cross-functional and cross-team meetings. Requirements: Experience & Education: 6+ years of related professional experience in fast-paced software development within an Agile/Scrum environment. Degree in Computer Science, a related field, or equivalent professional certifications. Technical Expertise: Deep knowledge of the Java ecosystem, including advanced backend programming, solution design, Spring, and Web Services. Strong grasp of cloud technologies, particularly Google Cloud Platform (GCP) and cloud-native application development. Solid understanding of computer science fundamentals, including algorithms, data structures, and computational complexity. Practical experience with CI/CD pipelines and containerization tools (e.g., Git, Maven, Jenkins, Docker, Kubernetes). Proven ability to troubleshoot intricate software issues and handle high-volume, low-latency transaction systems. Communication & Personal Attributes: Excellent English communication skills (both written and verbal) for seamless daily collaboration in a global environment. Exceptional analytical and problem-solving skills. Strong interpersonal skills with the ability to influence technical decisions and gain acceptance from others in sensitive situations without damaging relationships. Self-disciplined, commitment-oriented, and passionate about continuous learning and staying up-to-date with industry trends. Must possess a legal work permit in Poland Benefits: General benefits - depends on the form of employment Hybrid work model combining office & remote work - 3 x per week work from the office Attractively located office with collaboration spaces Onsite parking space for employees Referral program with financial bonus Life Insurance Budget for development (including language courses and others), clear career path with the possibility to gain experience in international environment Access to internal Learning Platform with multiple trainings oriented for professional growth Lifestyle benefits: Access to MyBenefit platform (Multisport included) Team Building activities Charity initiatives Working environment promoting diversity and inclusion Health benefits: Private medical care - Platinum Package

🏢 Summary: Senior Software Engineer role focused on designing and developing a next-generation, cloud-native Order Management System for the airline industry. The position involves building high-scale, low-latency microservices on Google Cloud Platform, shaping architecture, and ensuring high software quality in an Agile/Scrum environment. You will work on mission-critical systems processing millions of global transactions daily while mentoring others and influencing technical direction. 🗂️ Requirements: 6+ years of professional software development experience in Agile/Scrum environment, Degree in Computer Science or related field, or equivalent certifications, Deep knowledge of Java ecosystem and backend development, Experience with Spring and Web Services, Strong experience with Google Cloud Platform (GCP) and cloud-native development, Solid understanding of algorithms, data structures, and computational complexity, Experience with CI/CD pipelines and containerization tools, Ability to troubleshoot complex, high-volume, low-latency systems, Fluent English (written and spoken), Legal work permit in Poland 📃 Skills: Java, Spring, GCP, Microservices, WebServices, CI/CD, Git, Maven, Jenkins, Docker, Kubernetes, Algorithms, DataStructures 🏢 Description: Project Info: Join our global, decision-driving team based in Krakow and become a key player in fundamentally transforming the global travel industry. We are designing, building, and maintaining a next-generation, high-scale, and low-latency Order Management System for airlines. Our mission is to replace legacy ticketing with a modern, e-commerce-driven "Offer & Order" ecosystem. We develop scalable, microservice-based, and cloud-oriented architectures running on Google Cloud Platform (GCP). This is a mission-critical platform where we leverage AI productivity tools to securely process millions of global transactions and support millions of traveling passengers daily. If you want to tackle complex state management, work with mature Scrum processes, and build a massive market differentiator, this journey is for you. Responsibilities: As a Senior Software Engineer, you will plan, design, develop, and test complex software systems, having a direct impact on our architectural direction. Your main duties will include: Development & Design: Developing, coding, testing, and debugging complex software solutions and new cloud-native microservices using advanced technologies. Architecture & Innovation: Actively designing prototypes, proposing architectural enhancements, and handling the complete lifecycle of dynamic travel baskets and seamless legacy system integrations. Quality & Best Practices: Encouraging high coding standards, promoting best practices, and ensuring top-tier software quality. Mentorship & Leadership: Providing technical mentorship and cultural/competency-based guidance to the team, sharing larger business/product context, and mentoring on specific tech stacks. Collaboration: Regularly interacting with architects, product managers, and technical panels to align business requirements with advanced technology. Representing the team in cross-functional and cross-team meetings. Requirements: Experience & Education: 6+ years of related professional experience in fast-paced software development within an Agile/Scrum environment. Degree in Computer Science, a related field, or equivalent professional certifications. Technical Expertise: Deep knowledge of the Java ecosystem, including advanced backend programming, solution design, Spring, and Web Services. Strong grasp of cloud technologies, particularly Google Cloud Platform (GCP) and cloud-native application development. Solid understanding of computer science fundamentals, including algorithms, data structures, and computational complexity. Practical experience with CI/CD pipelines and containerization tools (e.g., Git, Maven, Jenkins, Docker, Kubernetes). Proven ability to troubleshoot intricate software issues and handle high-volume, low-latency transaction systems. Communication & Personal Attributes: Excellent English communication skills (both written and verbal) for seamless daily collaboration in a global environment. Exceptional analytical and problem-solving skills. Strong interpersonal skills with the ability to influence technical decisions and gain acceptance from others in sensitive situations without damaging relationships. Self-disciplined, commitment-oriented, and passionate about continuous learning and staying up-to-date with industry trends. Must possess a legal work permit in Poland Benefits: General benefits - depends on the form of employment Hybrid work model combining office & remote work - 3 x per week work from the office Attractively located office with collaboration spaces Onsite parking space for employees Referral program with financial bonus Life Insurance Budget for development (including language courses and others), clear career path with the possibility to gain experience in international environment Access to internal Learning Platform with multiple trainings oriented for professional growth Lifestyle benefits: Access to MyBenefit platform (Multisport included) Team Building activities Charity initiatives Working environment promoting diversity and inclusion Health benefits: Private medical care - Platinum Package

🏢 Summary: Senior Software Quality Engineer role focused on building and maintaining automated API testing frameworks for a cloud-native, microservices-based airline retailing platform. The position involves ensuring high-quality releases through automated regression testing, CI/CD integration, and comprehensive API validation in a complex distributed environment. The engineer will drive test quality, support release readiness, and work on high-performance, mission-critical systems. 🗂️ Requirements: 5+ years experience as Automation QA Engineer, Strong knowledge of software testing methodologies and SDLC, Expertise in Java, TestNG, RestAssured, Experience with Cucumber (BDD), Postman, BloomRPC, Bazel or Maven, Proficiency in API/Webservices testing (JSON, XML, gRPC), Knowledge of JWT and OAuth2 authentication, Experience with CI/CD pipelines and automated regression testing, Ability to analyze issues in distributed systems, Experience testing in containerized environments (GKE, Docker), Experience working in Agile/Scrum environments 📃 Skills: Java, TestNG, RestAssured, Cucumber, Postman, BloomRPC, Bazel, Maven, JSON, XML, gRPC, JWT, OAuth2, GKE, Docker, CICD, BDD, Microservices, APIs, Rally 🏢 Description: Project info: For our client we’re looking for a talented and motivated Senior Software Quality Engineer based in Kraków or the surrounding area. The airline retailing and merchandising platform that enables airlines to create personalized offers and dynamic pricing for customers. Team is responsible to deliver modern, omni-channel, real-time retailing shopping experience. Provide reduced cost through consolidation of common components including consolidation of offer management system. This is a unique opportunity to work on a critical and operationally complex high-performance product that also interacts with several of mission critical products. That will help the selected candidate to work on high-performing products as well expose opportunity to other products and enable the candidate to grow in their career. Responsibilities: Creates automated API testing frameworks for cloud-native microservices Implements and maintains API tests for new and existing product features in a monorepo · Automates applicable test cases for regression testing within standardized CI/CD pipelines Performs manual and automated testing; validates defect tickets and fixes Identifies defects and works with the scrum team on rapid resolution Accountable for overall test quality and the maintenance of technical test documentation Promotes an environment of collaboration and demonstrates leadership within small pods Coordinates test planning and execution for complex, API-based software platforms Provides reports related to product quality metrics and release readiness Attends scrum ceremonies and updates status in Rally on a daily basis Ensures test cases cover 100% of new functionality using BDD (Cucumber) Provides on-call coverage and support following implementation Requirements: Analyses and diagnoses complex software issues in distributed environments 5+ years of professional experience as an Automation QA Engineer Very good understanding of Software Testing Methodology and the full SDLC Expertise in: Java, TestNG, and RestAssured Experience with: Cucumber (BDD), Postman, Bloom RPC, and Bazel/Maven Solid knowledge of Webservices/API testing (JSON/XML/gRPC) and JWT/OAuth2 Experience in Agile/Scrum environments with global team collaboration Travel agency or Airline domain industry experience is highly preferred Experience monitoring and tracing test execution in containerized (GKE/Docker) environments Must possess a legal work permit in Poland Benefits: General benefits - depends on the form of employment Hybrid work model – 3 days per week in the office Referral program with financial bonus Life Insurance Budget for development (including language courses and others), clear career path with the possibility to gain experience in international environment Access to internal Learning Platform with multiple trainings oriented for professional growth Lifestyle benefits: Access to MyBenefit platform (Multisport included) Team Building activities Charity initiatives Working environment promoting diversity and inclusion Health benefits: Private medical care - Platinum Package