Technical Lead - Java

🏢 Summary: Senior Java Developer role focused on building and maintaining large-scale backend systems for travel and transactional operations, including booking, ticketing, pricing, and system integration. The position involves developing microservices, REST APIs, and gRPC services using Java and Spring Boot in a cloud-native GCP and Kubernetes environment. The role also includes CI/CD support, troubleshooting, code reviews, mentoring, and collaboration with QA, SRE, and Product teams. 🗂️ Requirements: 6+ years of experience with Java, Experience with Spring Boot, Experience building microservices, Experience with REST APIs, Experience with 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, English proficiency, Polish proficiency, 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: Project info: A large-scale, 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 components. - 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: - 6+ 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. - Communicative proficiency in both English and Polish. - Must possess a legal work permit in Poland. Benefits: General benefits: - 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 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: Backend Java Developer role focused on building and maintaining high-performance, scalable systems for transaction, payment, and cashier functionalities within a complex trading platform. The position involves developing RESTful and RPC APIs, handling high-concurrency and large-scale data processing in distributed environments, and integrating with third-party services. The role requires strong production troubleshooting skills and collaboration within cross-functional teams. 🗂️ Requirements: 5+ years of Java backend development experience, Strong experience with Java 8+, Strong experience with Spring Boot, Experience in fintech product development, Experience with B2B systems, Hands-on experience with high-concurrency and multi-threaded environments, Experience with high-volume traffic systems, Experience with large-scale data processing, Knowledge of MyBatis, Redis, and message queues, Experience with MySQL and complex query optimization, Experience with Elasticsearch, Experience with Hadoop or big data technologies, Experience with event-driven architectures, Experience with unit and integration testing, Experience integrating third-party APIs, Understanding of distributed systems and microservices, EU work permit and EU-based work availability 📃 Skills: Java, Spring, SpringBoot, MyBatis, Redis, MySQL, Elasticsearch, Hadoop, Dubbo, REST, RPC, SQL, Multithreading, Microservices, Kafka, RabbitMQ 🏢 Description: 🟣 You will be: designing, developing, and maintaining high-performance backend systems using Java and Spring Boot, working on transaction, payment, and cashier-related functionalities within a complex trading platform, building and maintaining RESTful and RPC APIs (e.g. using Apache Dubbo), developing solutions capable of handling high-volume traffic, high concurrency, and multi-threaded environments, processing and optimizing large volumes of data within distributed systems, collaborating with cross-functional teams to deliver scalable and reliable systems, integrating backend services with third-party applications and external systems, troubleshooting, debugging, and optimizing system performance in production environments. 🟣 Your profile: 5+ years of professional experience in Java backend development, strong experience with Java (8+) and Spring Boot, experience in business product development within fintech environments, experience working on B2B products, hands-on experience with high-concurrency systems, multi-threading, and high-volume traffic environments, proven experience working with large-scale data processing systems, solid knowledge of technologies such as MyBatis, Redis, and message queue systems, experience working with relational databases such as MySQL, including writing complex queries and performance tuning, experience working with Elasticsearch and big data technologies such as Hadoop, experience with messaging systems (queues) and event-driven architectures, experience with unit and integration testing, experience integrating with third-party services and APIs, strong debugging and problem-solving skills, solid understanding of software design patterns and backend architectures, practical experience using AI-powered assistants (e.g. Claude Code, GitHub Copilot, Cursor) to improve productivity, quality, or decision-making in software delivery, good communication skills and ability to work in a team environment, immediate availability or a short notice period is preferred. Work from the European Union region and a work permit are required. 🟣 Nice to have: familiarity with RPC frameworks such as Apache Dubbo, experience working with systems serving large-scale user bases, understanding of distributed systems and microservices architecture, experience applying GenAI in a more structured way within the SDLC, including defined workflows, prompt patterns, or tool integrations embedded into daily work, interest in and familiarity with emerging AI-driven practices (e.g. agent-based workflows, automation patterns, AI-augmented development), with a willingness to explore and experiment beyond standard approaches. 🟣 Recruitment Process: CV review – HR call – Technical Interview – Client Interview – Decision 🎁 Benefits 🎁 ✍ Development: development budgets of up to 6,800 PLN, we fund certifications e.g.: AWS, Azure, access to Udemy, O'Reilly (formerly Safari Books Online) and more, events and technology conferences, technology Guilds, internal training, Xebia Upskill. 🩺 We take care of your health: private medical healthcare, multiSport card - we subsidise a MultiSport card, mental Health Support. 🤸‍♂️ We are flexible: B2B or employment contract, contract for an indefinite period.

🏢 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: B2B contract for a Java Developer to build and maintain secure, scalable backend services and workflow-driven processes for a leading bank. The role focuses on Java/Spring development, BPM engine implementation (Flowable or similar), REST integrations, and event-driven microservices in a banking environment. You will work on enterprise-grade systems supporting core banking products and internal operations. 🗂️ Requirements: 4+ years of commercial experience in Java backend development, Commercial experience with Flowable or other BPM engine (Camunda, Activiti, jBPM) in production, Experience with Spring (Boot, MVC, Data) and Hibernate, Strong knowledge of REST APIs and microservices architecture, Strong knowledge of SQL and relational databases (MS SQL or Oracle), Experience with message brokers or streaming platforms (Kafka or similar), Experience with Maven and Git, Fluency in Polish, Advanced English (B2/C1) 📃 Skills: Java, Spring, SpringBoot, SpringMVC, SpringData, SpringSecurity, Hibernate, Flowable, Camunda, Activiti, jBPM, BPMN, DMN, REST, Microservices, SQL, MSSQL, Oracle, Kafka, PubSub, Maven, Git, JUnit, Mockito 🏢 Description: Contract: B2B Rate: Mid: 110–130 PLN/h net + VAT, Senior: 120–140 PLN/h net + VAT Location: Remote within Poland Project: Development and maintenance of backend services and workflow-driven processes for a leading bank Project Overview Join our team as a Java Developer and work on a project for one of the leading banks. You will develop and maintain backend services, integrations, and business processes orchestrated in Flowable , supporting key banking products and internal operations. The project focuses on building secure, reliable, and scalable solutions used daily by thousands of customers and bank employees. You’ll collaborate closely with product and technical stakeholders, contribute to architecture discussions, and help continuously improve engineering standards and delivery practices. Key Technologies Backend: Java (Core Java), Spring (Spring Boot, Spring MVC, Spring Data, Spring Security), Hibernate Workflow: Flowable or Camunda/Activiti/jBPM (BPMN/DMN, process automation, integrations) APIs: REST API design & integration Databases: MS SQL, Oracle Messaging: Kafka / Pub/Sub (or similar) Tools: Maven, Git, JUnit, Mockito Responsibilities Design, develop, and maintain backend services in Java using Spring and Hibernate. Build and maintain workflow-driven solutions using Flowable (BPMN/DMN), including process modeling and implementation. Implement and integrate RESTful APIs with internal and external banking systems. Work in a microservices environment and support event-driven integrations (Kafka / Pub/Sub). Work with relational databases (MS SQL / Oracle): schema design, efficient queries, performance tuning. Write clean, testable, and well-documented code; create unit/integration tests (JUnit, Mockito). Troubleshoot production issues, debug incidents, and contribute to performance optimization. Collaborate with developers, QA, architects, analysts, and business stakeholders to refine requirements and propose technical solutions. Requirements 4+ years of commercial experience in Java development (enterprise/backend systems). Mandatory: Proven commercial experience with Flowable or another BPM/workflow engine (e.g., Camunda, Activiti, jBPM) used in production environments. Experience with Spring (Boot, MVC, Data; Security is a plus) and Hibernate. Solid understanding of REST APIs and microservices architecture. Strong knowledge of SQL and relational databases (MS SQL Server or Oracle). Hands-on experience with message queues/streaming platforms (Kafka, Pub/Sub, or similar). Practical experience with Maven and Git in daily development work. Fluency in Polish and an advanced level of English (B2/C1). Nice to have Banking/financial sector experience Familiarity with OAuth2 / OpenID Connect, security standards, and auditing Observability tools (logs/metrics/tracing), performance profiling Why join us? Rite NRG is a vibrant outsourcing technology company driven by the Right People . We are dedicated to empowering businesses through innovative software solutions. We focus on building strong partnerships and providing top-notch software solutions that drive real business growth. Our business model revolves around collaboration and delivering impactful results for our clients. Join us, and be part of a team where great minds, Right Energy , and strong partnerships come together to shape the future of technology! Stable, long-term, full-time collaboration. Remote work within Poland and flexible working hours. High engineering culture with a focus on growth and learning. Multinational teams. Benefits: Private medical care, Multisport card, and workation (work for a week from Barcelona or elsewhere).

🏢 Summary: The offer is for a Java Backend Developer responsible for designing, developing, and maintaining scalable backend services and RESTful APIs using Java 17+/21 and Spring Boot. The role involves working with cloud platforms, containerization, CI/CD pipelines, and observability tools while ensuring high code quality and secure coding practices. You will collaborate in cross-functional teams to deliver reliable, high-performance systems in a modern cloud-native environment. 🗂️ Requirements: 3+ years commercial experience as Java Backend Developer, Strong experience with Java 17+ (Java 21 preferred), Strong experience with Spring Framework and Spring Boot 3.x, Experience designing and developing scalable backend applications and RESTful APIs, Experience writing automated tests (unit, integration, functional) using JUnit and TDD/BDD, Knowledge of object-oriented programming and design patterns, Experience with Docker and Kubernetes, Experience with AWS, Azure, or GCP, Experience with CI/CD tools (Jenkins, GitHub Actions, or GitLab CI), Good knowledge of Linux environments, Understanding of logging, metrics, and distributed tracing, Knowledge of secure coding practices and application vulnerabilities, English level B2+ 📃 Skills: Java, Spring, SpringBoot, REST, JUnit, TDD, BDD, Docker, Kubernetes, AWS, Azure, GCP, Jenkins, GitHubActions, GitLabCI, Linux, CI/CD, OOP, Kafka, RabbitMQ, ActiveMQ, JMS, Terraform, Helm, ArgoCD, Flux, MongoDB, Hazelcast, Ansible, Prometheus, Grafana, OpenTelemetry 🏢 Description: Who are we? Lufthansa Systems Poland is acclaimed and widely recognized provider of superior services and IT solutions for the aeronautical, logistic and financial industries. As a part of the Lufthansa Group we implement technological solutions and dedicated services. Who are you? Your profile: 3+ years of commercial experience as a Java Backend Developer. Strong experience with Java 17+ (Java 21 preferred), Spring Framework, and Spring Boot 3.x. Experience designing and developing scalable backend applications and RESTful APIs. Experience writing automated tests at different levels (unit, integration, functional) using JUnit and TDD/BDD practices. Solid understanding of object-oriented programming, design patterns, and clean code principles. Experience working with Docker and Kubernetes. Experience with cloud platforms such as AWS, Azure, or GCP. Knowledge of CI/CD tools such as Jenkins, GitHub Actions, or GitLab CI. Good knowledge of Linux environments. Understanding of application observability concepts, including logging, metrics, and distributed tracing. Awareness of secure coding practices and common application vulnerabilities. Good written and spoken English (B2+). Ownership mindset, proactive attitude, and strong communication skills Knowledge of software design patterns and clean code principles. What do we welcome? Experience with Infrastructure as Code solutions (Terraform, Helm). Familiarity with GitOps practices and tools (ArgoCD, Flux). Experience with messaging platforms such as ActiveMQ/JMS, Kafka, or RabbitMQ. Familiarity with MongoDB, Hazelcast, or Ansible. Experience with monitoring and observability tools such as Prometheus, Grafana, and OpenTelemetry. Familiarity with structured logging and centralized log management platforms. Experience using AI-assisted development tools (e.g. GitHub Copilot, Claude Code) to improve development efficiency and code quality Why do we need you? You will be responsible for: Design, develop, and maintain backend services using Java (17+/21) and Spring Boot Build and evolve scalable, high-performance backend applications and RESTful APIs Contribute to system architecture decisions and technical design discussions Ensure high code quality by writing automated tests (unit, integration, and functional) using JUnit and TDD/BDD practices Apply object-oriented programming principles, design patterns, and clean code standards Deploy and manage applications using Docker and Kubernetes Collaborate with cross-functional teams to deliver reliable and scalable solutions Work with cloud platforms (AWS, Azure, or GCP) to support application deployment and infrastructure Implement and maintain CI/CD pipelines (e.g., Jenkins, GitHub Actions, GitLab CI) Work in Linux environments and support operational tasks Implement observability practices, including logging, metrics, and distributed tracing Ensure application security by following secure coding practices and addressing vulnerabilities What we can offer? An international working environment, atmosphere that stimulates development, Individual career path, Lufthansa Group membership benefits, Employment Contract, Salary in the range of 8 000 - 21 000 zł gross Flexible working time and place adjusted to employee’s needs. Possibility of starting your workday between 07:00 and 11:00, Workplace adjusted to employee's needs, Support for your passion for sports within the local activity group and co-financing Multisport cards, Private medical care for employees and their family members. Life insurance. Modern office in Oliwa – great location and comfortable workspace.

🏢 Summary: Backend Developer role in a travel-tech project focused on developing and maintaining a scalable microservices-based booking platform used across multiple European markets. The position involves building and optimizing backend services using Java and Spring (or Kotlin), designing REST APIs, and working with high-load systems handling hundreds of requests per second. You will contribute to system modernization and performance improvements within an international Scrum team. 🗂️ Requirements: Minimum 1 year commercial experience in Java and Spring or Kotlin, Experience with relational databases and SQL, Experience in designing and developing REST API and Web Services, Basic knowledge of microservices architecture, Ability to work with distributed systems handling high traffic, English level B2 or higher, Polish level C1 or higher 📃 Skills: Java, Spring, Kotlin, SQL, REST, WebServices, Microservices, NoSQL 🏢 Description: Dołącz do zespołu klienta z branży travel-tech i rozwijaj skalowalną platformę, z której korzystają tysiące użytkowników w ponad 20 krajach na świecie. ZADANIA Będziesz pracować przy rozwoju rozbudowanego systemu rezerwacyjnego, wspierającego realizację podróży dla klientów na wielu rynkach europejskich. Platforma działa w architekturze mikroserwisowej, obsługuje setki zapytań na sekundę i jest stale rozwijana oraz optymalizowana pod kątem wydajności i skalowalności. Twoje główne zadania: rozwój i utrzymanie backendu w oparciu o Java + Spring (lub Kotlin), projektowanie oraz rozwijanie REST API i Web Services, praca z relacyjnymi bazami danych (SQL), udział w modernizacji istniejących rozwiązań i migracji w kierunku nowoczesnej architektury, współpraca przy rozwoju systemu opartego na mikroserwisach, dbanie o jakość kodu oraz udział w code review, współpraca w zespole Scrumowym. Zespół: Dołączysz do jednego z backendowych zespołów (złożonych z doświadczonych developerów), pracujących nad kluczowymi elementami systemu. Zespół jest międzynarodowy, a część komunikacji odbywa się w języku angielskim. WYMAGANIA min. 1 rok komercyjnego doświadczenia w programowaniu w Java (Spring) i/lub Kotlin, doświadczenie w pracy z relacyjnymi bazami danych (SQL) , znajomość REST API / Web Services , podstawowa znajomość architektury mikroserwisowej lub chęć nauki w tym obszarze, znajomość języka angielskiego min. B2 (praca z dokumentacją, komunikacja), znajomość języka polskiego min. C1 , umiejętność pracy zespołowej, zaangażowanie oraz chęć rozwoju, samodzielność i uczciwe podejście do realizacji zadań (ważne w kontekście procesu rekrutacyjnego). MILE WIDZIANE doświadczenie z bazami NoSQL , znajomość architektury mikroserwisowej w praktyce, doświadczenie w branży travel lub e-commerce , zainteresowanie rozwiązaniami chmurowymi i skalowaniem systemów. CO OFERUJEMY NA TYM PROJEKCIE? Zatrudnienie bezpośrednio przez klienta. Współpracę w oparciu o umowę B2B/o pracę. Pracę hybrydową z Gdańska (2-3 razy w tygodniu w biura). Budżet rozwojowy 3000 PLN rocznie (kursy, konferencje, nauka), Opieka medyczna LuxMed Dofinansowanie do Multisport Miejsce w podziemny parkingu Hybrydowy system pracy; na etapie wdrożenia (3-6 miesięcy) będziesz częściej w biurze, ale później w miarę uzyskiwania samodzielności będziesz mieć możliwość częstszej pracy z domu Lekcje j. angielskiego JAK WYGLĄDA REKRUTACJA? Zgłoszenie : Zaaplikuj i prześlij swoje CV. Po weryfikacji aplikacji rekruter skontaktuje się telefonicznie z wybranymi kandydatami. Screening : Porozmawiaj z rekruterem speedapp o Twoim doświadczeniu . Kolejne etapy: Rekruter speedapp przedstawi Ci jak wygląda proces rekrutacji na dane stanowisko. Rekruter speedapp pozostanie z Tobą w kontakcie podczas całego procesu. O SPEEDAPP W speedapp wierzymy, że organizacja jest tak dobra jak tworzący ją ludzie. Jesteśmy zespołem ekspertów IT i innych specjalistów pracujących dla naszych klientów na całym świecie (m.in Izrael, Austria, USA). Wykraczamy daleko poza kategorię HR. Budujemy zespoły IT, a także pomagamy w ich zarządzaniu. 👉 10 lat doświadczenia 👉 +100 klientów na całym świecie +300 zatrudnień rocznie 💎 Jesteśmy laureatem prestiżowej nagrody Diamenty Forbes cztery lata z rzędu (2022, 2023, 2024, 2025), członkiem sieci Fast Growth Icons oraz FinTech Poland. MASZ PYTANIA? Skontaktuj się bezpośrednio z rekruterem odpowiedzialnym za ten proces. Adrianna Rudzka Junior IT Delivery Consultant adrianna.rudzka@speedapp.pl +48 884 271 647

🏢 Summary: The offer is for a Senior QA Engineer responsible for ensuring high quality of web and backend services through manual and automated testing. The role focuses on building and maintaining test automation frameworks, performing cross-browser testing, and integrating tests into CI/CD pipelines within an agile environment. 🗂️ Requirements: 5+ years of experience in software quality assurance, Strong experience in manual and automated testing, Hands-on experience with Playwright or Cypress, Experience with cross-browser testing tools, Proficiency in JavaScript or TypeScript, Strong manual testing skills including exploratory and regression testing, Experience testing RESTful APIs, Basic understanding of Go backends, Experience with CI/CD pipelines and test integration 📃 Skills: Playwright, Cypress, BrowserStack, JavaScript, TypeScript, React, REST, Postman, curl, Go, CI/CD 🏢 Description: About the company We are an e-commerce platform in Poland and a network of travel agencies offering a wide range of travel products. We are part of Wirtualna Polska Holding – Poland’s largest group of media and e-commerce companies. Alongside Wakacje.pl and the Invia brands, we scale our impact across the CEE market, driven by a shared #TravelMindset. In our daily work, we #Explore better ways to grow, #Engage through real ownership and teamwork, and #Enjoy building experiences that people genuinely look forward to. Send us your CV and… see you at Travelplanet.pl ! ✈️ Key responsibilities: Design, implement, and execute manual and automated test cases for web and backend services Develop and maintain automated test scripts using tools like Playwright (or Cypress) Perform cross-browser and cross-device testing using platforms such as BrowserStack Collaborate closely with developers, product managers, and designers to ensure quality throughout the SDLC Identify, log, and track bugs, and proactively drive root-cause analysis and resolution Contribute to continuous improvement of QA processes, test coverage, and automation practices Analyze requirements and specifications to ensure testability and identify potential quality risks early Participate in code reviews and provide input on testability and test coverage Self-organized, detail-oriented, and comfortable working in an agile environment Strong communication skills and a collaborative mindset Required Qualifications: 5+ years of experience in software quality assurance , with a focus on both manual and automated testing. Strong hands-on experience with test automation tools and frameworks, particularly Playwright or Cypress Experience with cross-browser testing, including platforms such as BrowserStack or similar tools. Solid knowledge of programming/scripting languages /frameworks (e.g.,  JavaScript, Typescript, React) Strong manual testing skills , including exploratory, regression, and edge case testing. Familiarity with RESTful APIs and tools like Postman or curl for API-level validation. Basic understanding of Go-based backends to support test design and troubleshooting. Experience with CI/CD pipelines and integrating automated tests into the development workflow Excellent analytical, problem-solving, and communication skills A passion for quality and a strong attention to detail We offer: Competitive Salary : commensurate with skills and experience Paid time off: is included in the service fee Flexible Working Hours : Our core hours are 9 AM to 3 PM Hybrid Work Model: Work 2 days in the office and 3 days from home Health and Wellness: Shared costs for sports activities and private medical care Professional Development: Shared costs for training and courses Life Insurance : Comprehensive coverage for peace of mind Employee Discounts: Access to corporate products and services at discounted prices If the above sounds like an interesting opportunity we would be more than happy to hear from you! Please send your resume in English.