Senior C++ Developer

🏢 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 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 Fullstack Developer role focused on building and scaling a high‑volume communication platform in the travel industry that sends time‑critical email and SMS notifications. The position involves delivering end‑to‑end features across Java/Spring Boot backend services and React/TypeScript frontends, designing APIs, and implementing event‑driven integrations. The role includes ensuring quality through automated testing and contributing to CI/CD pipelines in a GCP environment. 🗂️ Requirements: Proficiency in Java, Proficiency in React, Proficiency in TypeScript, Experience with SpringBoot, Strong understanding of distributed systems, Experience with REST APIs, Experience with messaging systems, Experience with Kafka, Experience with SQL databases, Experience with NoSQL databases, Experience with containerized deployments, Experience with GCP, Experience with automated testing, Experience with CI/CD pipelines, Legal work permit in Poland 📃 Skills: Java, SpringBoot, React, TypeScript, REST, Kafka, SQL, NoSQL, GCP, Containerization, CICD, Testing, DistributedSystems 🏢 Description: We are looking for a Senior Fullstack Developer for our client, based in Kraków and surrounding areas. The project involves developing a large-scale communication platform in the travel industry that generates traveler documents and delivers time-critical notifications via email and SMS (over 1 million emails and approximately 100,000 SMS messages daily). The system is responsible for informing travelers about schedule changes, web check-in availability, and flight status (from 24 hours before departure up to the departure time), as well as collecting post-trip feedback. Deliver end‑to‑end features across Java/Spring Boot services and React/TypeScript front‑ends. Design clean APIs and data contracts; implement event‑driven integrations and resilient error handling. Own quality with automated tests at multiple layers and contribute to CI/CD pipelines. Collaborate closely with Product/Design to iterate quickly from discovery to production. Proficiency in Java and React/TypeScript with solid understanding of distributed systems and web fundamentals. Experience with REST, messaging (e.g., Kafka), SQL/NoSQL and containerized deployments. Google GCP experience. Pragmatic testing mindset and effective code review habits. Nice to have Exposure to email/SMS deliverability and localization at scale. Experience building internal admin tooling and dashboards Must possess a legal work permit in Poland 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: Senior Fullstack Developer role focused on building and scaling a high‑volume communication platform in the travel industry, delivering time‑critical notifications via email and SMS. The position involves end‑to‑end development across Java/Spring Boot backend services and React/TypeScript frontends, with emphasis on distributed systems and event‑driven integrations. The role also includes ensuring quality through automated testing and contributing to CI/CD processes in a GCP environment. 🗂️ Requirements: Proficiency in Java, Proficiency in React, Strong knowledge of TypeScript, Experience with Spring Boot, Understanding of distributed systems, Experience with REST APIs, Experience with messaging systems, Knowledge of SQL and NoSQL databases, Experience with containerized deployments, Experience with Google GCP, Experience with automated testing, Experience with CI/CD pipelines, Legal work permit in Poland 📃 Skills: Java, SpringBoot, React, TypeScript, REST, Kafka, SQL, NoSQL, GCP, Docker, CICD, Testing 🏢 Description: We are looking for a Senior Fullstack Developer for our client, based in Kraków and surrounding areas. The project involves developing a large-scale communication platform in the travel industry that generates traveler documents and delivers time-critical notifications via email and SMS (over 1 million emails and approximately 100,000 SMS messages daily). The system is responsible for informing travelers about schedule changes, web check-in availability, and flight status (from 24 hours before departure up to the departure time), as well as collecting post-trip feedback. Deliver end‑to‑end features across Java/Spring Boot services and React/TypeScript front‑ends. Design clean APIs and data contracts; implement event‑driven integrations and resilient error handling. Own quality with automated tests at multiple layers and contribute to CI/CD pipelines. Collaborate closely with Product/Design to iterate quickly from discovery to production. Proficiency in Java and React/TypeScript with solid understanding of distributed systems and web fundamentals. Experience with REST, messaging (e.g., Kafka), SQL/NoSQL and containerized deployments. Google GCP experience. Pragmatic testing mindset and effective code review habits. Nice to have Exposure to email/SMS deliverability and localization at scale. Experience building internal admin tooling and dashboards Must possess a legal work permit in Poland 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: Senior Java Developer role focused on designing and owning the end-to-end architecture of a high-throughput, multitenant messaging platform in the travel industry. The position involves building event-driven microservices that generate traveler documents and deliver time-critical notifications via email and SMS at million-scale volumes. The role includes driving modernization, resilience, observability, and cloud-based scalability of the platform. 🗂️ Requirements: Expertise in Java and JVM performance, Experience designing large-scale event-driven systems, Hands-on experience with Spring Boot microservices, Experience with asynchronous messaging and API design, Experience with SQL and NoSQL databases and caching, Experience with Google GCP, Experience with high availability and disaster recovery architectures, Knowledge of email and SMS ecosystems and deliverability, Understanding of security and compliance standards (PII, GDPR, CAN-SPAM), Experience with static code analysis tools, Legal work permit in Poland 📃 Skills: Java, JVM, Spring, SpringBoot, SQL, NoSQL, GCP, OpenTelemetry, GitHubActions, Kubernetes, MTA, SPF, DKIM, DMARC, Veracode, CI, API, SMS, Email 🏢 Description: We are looking for a Senior Java Developer for our client, based in Kraków and surrounding areas. The project involves developing a large-scale communication platform in the travel industry that generates traveler documents and delivers time-critical notifications via email and SMS (over 1 million emails and approximately 100,000 SMS messages daily). The system is responsible for informing travelers about schedule changes, web check-in availability, and flight status (from 24 hours before departure up to the departure time), as well as collecting post-trip feedback. Own the end-to-end technical architecture for a multitenant, high throughput messaging platform: event driven services, template rendering, document generation, deliverability, and channel expansion Define service boundaries, data contracts, and platform SLOs (latency, throughput, deliverability); codify resilience (idempotency, retries, backoff, circuit breaking) and correctness (deduplication, exactly once where feasible). Lead design reviews and drive architectural RFCs/decision records; ensure documentation quality aligns with org guidelines. Guide modernization (e.g., Java 21 and newer, security hardening, SDLC improvements like GitHub Actions CI). Partner with Product to translate roadmap themes into platform epics (capacity, compliance, channel enablement); sequence tech debt with product outcomes. Elevate engineering standards, performance tuning, and observability (OpenTelemetry, metrics, logs, tracing). Collaborate with deliverability/infra teams on MTA configuration, SPF/DKIM/DMARC alignment, and reporting pipelines for at scale sending. Deep expertise in Java and JVM performance; significant experience designing event driven systems at millions per day scale. Handson Spring Boot microservices, asynchronous messaging, API design, and data stores (SQL/NoSQL, caching), Google GCP experience. Proven track record with HA, disaster recovery, multiregional patterns, and observability first design. Knowledge of email/SMS ecosystems (MTA, deliverability, anti abuse, link tracking, templating, internationalization). Security and compliance awareness (PII, GDPR, CAN-SPAM), static analysis workflows (e.g., Veracode). Ability to influence across product/engineering; excellent written design documentation. Nice to have Experience enabling new channels (RCS/WhatsApp), running canary/feature flags, and cost/perf optimization on cloud Kubernetes. Must possess a legal work permit in Poland 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: 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

🏢 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 C++ Developer role focused on building production-grade commercial software using modern C++ and MFC across the full software development lifecycle. The position involves software design, implementation, testing, code reviews, and performance optimisation in collaboration with an experienced engineering team. The offer includes long-term remote cooperation on a B2B contract. 🗂️ Requirements: Strong commercial experience with modern C++, Experience with MFC, Strong understanding of Object-Oriented Programming, Knowledge of SOLID principles, Experience with Microsoft SQL Server, Experience with query optimisation and execution plan analysis, Experience implementing and maintaining unit tests, Knowledge of software design patterns, Experience with performance profiling and optimisation, Experience delivering production-quality software, Experience working within the SDLC, English level B2/C1 📃 Skills: C++, MFC, SQL, SQLServer, OOP, SOLID, STL, Concurrency, Templates, UnitTesting, SDLC, C#, .NET 🏢 Description: Join an established software development team building production-grade commercial software. As a Senior C++ Developer, you'll work with modern C++ and MFC, contributing across the full software development lifecycle—from design and implementation to testing and delivery. You'll collaborate with experienced engineers, participate in code reviews and technical discussions, and help deliver high-quality software while driving continuous improvement. Requirements Strong commercial experience with modern C++ (C++11 and newer) , including memory management, templates, concurrency, and the C++ Standard Library Experience with MFC (Microsoft Foundation Class Library) Strong understanding of Object-Oriented Programming, including: SOLID principles encapsulation inheritance polymorphism Experience with Microsoft SQL Server, including query optimisation and execution plan analysis Experience implementing and maintaining unit tests across UI, back-end services, and database layers Knowledge of software design patterns Experience with performance profiling and optimisation techniques Experience delivering maintainable, production-quality software in a commercial environment Experience working within the Software Development Life Cycle (SDLC), including code reviews, design discussions, and collaborative delivery English at B2/C1 level Nice to Have Experience with C# Experience with the .NET ecosystem , particularly in cross-language integration or tooling We Offer B2B contract 120–150 PLN/h 100% remote work Long-term cooperation Immediate start Recruitment Process Recruitment screening Interview with the client Final decision

🏢 Summary: Senior Software Engineer role focused on designing and building a next-generation, cloud-native Order Management System for airlines. The position involves developing high-scale, low-latency microservices on Google Cloud Platform to replace legacy ticketing with a modern Offer & Order ecosystem. The engineer will drive architecture, ensure software quality, and contribute to mission-critical systems processing millions of transactions daily. 🗂️ Requirements: 6+ years experience in Agile/Scrum software development, Degree in Computer Science or equivalent certification, Advanced backend development in Java, Experience with Spring and Web Services, Hands-on experience with Google Cloud Platform, Experience in cloud-native microservices architecture, Strong knowledge of algorithms and data structures, Experience with CI/CD pipelines, Experience with containerization and orchestration, Ability to troubleshoot high-volume low-latency systems, Legal work permit in Poland 📃 Skills: Java, Spring, GCP, Microservices, REST, CI/CD, Git, Maven, Jenkins, Docker, Kubernetes, Algorithms, DataStructures, Scrum 🏢 Description: 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 Frontend Developer role focused on building and scaling a high-volume communication platform in the travel industry using React and TypeScript. The position involves creating advanced UIs for template management, localization workflows, approvals, and reporting dashboards, while ensuring performance, accessibility, and security. The developer will integrate with secure backend APIs and deliver robust, well-tested frontend solutions for global users. 🗂️ Requirements: Proficiency in React, Proficiency in TypeScript, Strong knowledge of HTML5 and CSS3, Experience with modern build tooling, Experience with testing frameworks (unit and E2E), Experience with Git workflows, Experience integrating with secure backend APIs, Knowledge of state management, caching and error handling, Understanding of accessibility standards, Knowledge of internationalization practices, Knowledge of browser security best practices, Very good command of English, Legal work permit in Poland 📃 Skills: React, TypeScript, JavaScript, HTML5, CSS3, APIs, Git, Testing, E2E, Unit, Accessibility, Internationalization, Security, StateManagement, Caching, ErrorHandling, BuildTools 🏢 Description: We are looking for a Senior Frontend Developer (React/JavaScript) for our client, based in Kraków and surrounding areas. The project involves developing a large-scale communication platform in the travel industry that generates traveler documents and delivers time-critical notifications via email and SMS (over 1 million emails and approximately 100,000 SMS messages daily). The system is responsible for informing travelers about schedule changes, web check-in availability, and flight status (from 24 hours before departure up to the departure time), as well as collecting post-trip feedback. Build React/TypeScript UIs for template authoring, localization workflows, approvals and reporting dashboards. Collaborate with Product to deliver accessible, responsive and performant experiences for global audiences. Integrate front‑end with secure backend APIs; ensure state management, caching and error handling are robust. Write automated tests (unit/E2E) and contribute to component libraries/design systems. Proficient in React, TypeScript, HTML5/CSS3 and modern build tooling. Experience with testing frameworks and Git workflows. Strong attention to accessibility, internationalization and security best practices in the browser. Very good command of English (written and verbal) Nice to have Hands‑on with WYSIWYG editors, charting/visualization libraries and design system contributions. Performance profiling and optimization experience. Must possess a legal work permit in Poland 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 Packag