Data Engineer (Digital Hangar)

🏢 Summary: The offer is for an iOS Developer responsible for building and maintaining modern mobile applications for major airline brands, focusing on high-quality user experience and backend integration. The role involves architectural design, CI optimization, and close collaboration with cross-functional teams in an international environment. It includes active participation in technical decisions and continuous improvement of development processes. 🗂️ Requirements: Minimum 2 years of experience in similar position, Experience in Swift, Knowledge of design and UX patterns, Experience with workflow tools, Experience with Continuous Integration, Ability to integrate with REST APIs, Participation in application architecture design, English proficiency for daily communication, Availability to work hybrid model (2 days in Gdańsk office) 📃 Skills: Swift, SwiftUI, UIKit, Xcode, SPM, Combine, CoreData, REST, XCTest, Quick, Nimble, Wiremock, Git, Fastlane, Azure, DevOps, Jira, CI 🏢 Description: The focus of Digital Hangar (DH) is the improvement of passenger experience throughout the whole journey. The projects that are in focus are Lufthansa Group (Lufthansa, SWISS, Austrian and Brussels) main web portals, mobile apps (iOS and Android) and B2B platforms. On top we’re developing our own R&D solutions within Hangar initiatives.​ We are focused on the continuous development of our software engineers and therefore you can expect: - Experienced developers to learn from, - Weekly dev talks, time for refactoring and improvements, - Dev team has freedom to choose frameworks/libraries, - Individual development plan with trainings, - Possibility to go to conferences. - Our technology stack: Swift 6; Xcode 16; SPM; UIKit & SwiftUI; Combine; Quick & Nimble for testing; GIT; Fastlane; Core Data; communication with REST API; XCTest; Wiremock; Azure Devops. 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. Your responsibilities: Developing modern iOS applications using Swift and SwiftUI. Implementing design and UX patterns to deliver high-quality and user-friendly solutions. Integrating apps with backend systems and external APIs. Collaborating with project managers, developers, and QA teams. Participating in the design of application architecture and making key technical decisions. Implementing and optimizing Continuous Integration (CI) processes. Our requirements: At least 2 years of experience in a similar position. Experience in Swift. Practical knowledge of design & UX patterns. Experience in workflow tools (Jira). Experience in Continuous Integration. Good English skills for daily communication. Enthusiasm, curiosity and creativity. Open mind and open communication. Solution oriented working. Motivation to bring yourself and the team a step further. Readiness to work in a hybrid model - 2 days in the office in Gdańsk. Nice to have: Experience in working in Scrum/SAFe. Work experience in international environment. What we offer: An international working environment, atmosphere that stimulates development. Individual career path. Stable employment under an employment contract. Salary for : senior level range of 10 000 - 21 000 zł gross, standard level range of 8 000 - 16 000 zł gross, Lufthansa Group membership benefits. 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. Atmosphere – small teams, high independence, real impact on the project.

🏢 Summary: Design and develop cloud-native, microservices-based applications as a Java Developer, owning the full product lifecycle from concept to production in a DevOps environment. The role focuses on building scalable and reliable solutions, using distributed messaging and modern CI/CD practices. You will lead technical design and ensure high standards of quality and performance. 🗂️ Requirements: Minimum 4 years of experience as Java Developer, Experience with microservices architecture, Experience with distributed message brokers, Experience with distributed event streaming platforms, Experience working in DevOps environment, Experience with CI/CD pipelines, Knowledge of RESTful services, Practical knowledge of design patterns, Knowledge of coding best practices, Experience in software quality assurance 📃 Skills: Java, Microservices, REST, DevOps, CICD, DistributedMessaging, EventStreaming, DesignPatterns, QA 🏢 Description: Digital Hangar (DH) is an innovation part of Lufthansa Group that aims to upgrade the Lufthansa Group to new digital business models, original product ideas and digital technologies for a digital future. As DH we do not aim in never-ending project coding, but in delivering working solutions that respond to Lufthansa Group needs. For that reason, updating our applications on production few times a week in a DevOps spirit is not an exception, it is daily work. Using the newest technologies and services like Storage Services, Kubernetes Services - it is not a WOW, it is a fact. Also, as Hangar, we must research new technologies and solutions from the IT market which will also be your responsibility. Are you ready for new challenges? Your responsibilities: As a Java Developer, you will lead the design and development of cloud-native applications using the latest tech stack. You will be responsible for the full lifecycle of our products, from concept to deployment and beyond, ensuring that they meet the highest standards of performance, scalability, and reliability. Our requirements: At least 4 years’ experience on a similar position, Experience in microservice approach, Experience with working with distributed message broker and distributed event streaming platform, Experience in working in DevOps and CI/CD, Knowledge of RESTful services, Practical knowledge of design patterns and good practices of coding, Expertise in software quality assurance, Excellent knowledge of Polish & English language, Ability to take full ownership of a product’s lifecycle, from development to production, ensuring continuous improvement and operational excellence, Excellent team collaboration skills and the ability to communicate technical concepts to both technical and non-technical stakeholders, Confidently propose new ideas and improvements, backed by data and research, Strong analytical and problem-solving abilities to troubleshoot and resolve issues efficiently, Readiness to work in a hybrid model - 2 days in the office in Gdańsk Nice to have: Azure knowledge, Familiarity with Angular, OpenTelemetry, Working in a cross-functional/T-shaped team, Projects in Agile Kanban, Scrum, SAFe.​ What do we offer? An international working environment, atmosphere that stimulates development, Individual career path, Employment contract, Salary in the range of: Senior position 10 000 - 21 000 zł gross (contract of employment) Regular position 8 000 - 16 000 zł gross (contract of employment) Lufthansa Group membership benefits, Flexible working time and place adjusted to employee’s needs. Possibility of starting your workday between 07:00 and 11:00, 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. Training opportunities and real growth paths. Modern office in Oliwa – great location and comfortable workspace. Atmosphere – small teams, high independence, real impact on the project.

🏢 Summary: Development and maintenance of backend services for Lufthansa’s Digital Hangar, focused on enhancing passenger-facing web and mobile platforms. The role involves building REST APIs, integrating distributed systems, and working within an agile international team using modern Java and Kotlin technologies. 🗂️ Requirements: Experience with HTTP-based REST APIs, Strong knowledge of Spring Framework including WebFlux, Proficiency in Kotlin, Experience with Git, Experience with CI/CD pipelines, Experience with Gradle, Knowledge of SQL databases, Knowledge of NoSQL databases 📃 Skills: Java, Kotlin, Spring, WebFlux, REST, HTTP, Git, Gradle, CICD, SQL, NoSQL, MySQL, CosmosDB, Kafka, Redis, Testcontainers, MockK, Bruno, Mockoon, Azure 🏢 Description: We are looking for a Standard or Senior Java Developer with good knowledge of Kotlin for Lufthansa’s Digital Hangar Department. The focus of Digital Hangar (DH) is the improvement of passenger experience throughout the whole journey. The projects that are in focus are Lufthansa Group (Lufthansa, SWISS, Austrian and Brussels) main web portals, mobile apps (iOS and Android) and B2B platforms. On top we’re developing our own R&D solutions within Hangar initiatives. We are focused on the continuous development of our software engineers and therefore you can expect: Experienced developers to learn from, Weekly dev talks, time for refactoring and improvements, Dev team has freedom to choose frameworks/libraries, Individual development plan with trainings, Possibility to go to conferences. Are you interested in joining a group of software enthusiasts, working in an international agile team setup, creating products that make the difference in the entire airline industry - then apply now! 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. Your responsibilities: Implement and maintain REST APIs, integrate with systems such as Kafka and Redis, and work with SQL and NoSQL databases. Troubleshooting, debugging, and resolving issues in a complex distributed system, utilizing the existing structured logging and monitoring tools. Collaborate within an international, agile team, participate in code refactoring, choose appropriate tools and frameworks, and develop your skills through training and conferences. Our requirements: Experience working with HTTP-based REST APIs. Solid knowledge of Spring Framework (including Spring WebFlux) and Kotlin. Experience with Git, CI/CD, and Gradle. Knowledge of NoSQL and SQL databases (Azure Cosmos DB, MySQL). Open mindedness, good communication skills, team spirit. Excellent English language skills. Readiness to work in a hybrid model: 2 days in the office in Gdańsk. Nice to have: Experience with Kafka and Redis. Knowledge of testing tools like Testcontainers and MockK. Familiarity with API support tools like Bruno, Mockoon. Experience with mobile app clients (iOS, Android). Knowledge of Server-Driven UI (SDUI) principles. Experience with Azure or other public cloud services. Comfort using AI coding assistants (e.g., GitHub Copilot). What we offer: An international working environment, atmosphere that stimulates development. Individual career path. Stable employment under an employment contract. Lufthansa Group membership benefits. Flexible working time and place adjusted to employee’s needs. Possibility of starting your workday between 07:00 and 11:00. 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. Parking space for employees. Extra social benefits. Holiday funds. Sharing the costs of holidays for kids. Sharing the commuting costs. Modern office in Oliwa – great location and comfortable workspace.

🏢 Summary: Software Engineer role focused on developing and maintaining aviation charting applications that enhance flight planning reliability and efficiency. The position involves designing, coding, testing, and reviewing .NET-based solutions within an agile, globally distributed team. The role emphasizes high software quality and adherence to established development processes. 🗂️ Requirements: Minimum 3 years of experience with C#, Proficiency in C# and VB.NET, Strong knowledge of T-SQL, Experience with .NET Framework 4.8 and .NET 6, Experience with ASP.NET and Entity Framework, Practical experience with WinForms and WPF (MVVM), Experience with DevExpress, Experience with SQL Server and PostgreSQL, Experience with Git, Experience with CI/CD pipelines, Experience working in Agile methodologies 📃 Skills: C#, VB.NET, TSQL, .NET, ASPNET, EntityFramework, WinForms, WPF, MVVM, DevExpress, SQLServer, PostgreSQL, Git, CICD, Agile 🏢 Description: The future of aviation is driven by software and data. As part of our software team, you will work on charting applications used in the aviation industry. In an agile environment with a globally distributed team, you will help design and maintain solutions that improve the reliability and efficiency of flight planning. You can expect a friendly, multicultural atmosphere focused on delivering value to the aviation community. 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. Your responsibilities: Designing, developing, and testing software components. Following the company’s software development processes and organizational guidelines. Participating in code reviews. Ensuring software quality through testing and QA practices. Performing various additional development-related tasks as needed. Our requirements: Minimum of 3 years of experience in programming with C#. Proven experience with agile methodologies, Git, and CI/CD pipelines. Strong communication skills and ability to work in a team. Proficiency in C#, VB.NET , and T-SQL as primary programming languages. Experience working with .NET Framework 4.8, .NET 6, ASP.NET , and Entity Framework. Practical knowledge of UI development using WinForms, WPF (MVVM), and DevExpress. Experience with relational databases, particularly SQL Server and PostgreSQL. Very good command of English (written and spoken). Readiness to work in a hybrid model: 2 days in the office in Gdańsk. Nice to have: Knowledge of aviation industry regulations and standards is a strong advantage. What we offer: An international working environment, atmosphere that stimulates development, Individual career path, Stable employment under an employment contract, Lufthansa Group membership benefits, Salary in the range of: Standard position 8 000 - 16 000 zł gross Senior position 10 000 - 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. 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. Parking space for employees. Extra social benefits. Holiday funds. Sharing the costs of holidays for kids. Sharing the commuting costs. Modern office in Oliwa – great location and comfortable workspace. Atmosphere – small teams, high independence, real impact on the project.

🏢 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: Test Automation Engineer role focused on developing and maintaining automated backend tests for meteorological services supporting flight planning and operational decision-making. The position involves Python-based test framework development, REST API validation, CI/CD integration, and collaboration within an agile team. Hybrid work model in Gdańsk with opportunities to work on mission-critical aviation systems. 🗂️ Requirements: 3+ years of experience in software testing, Experience building automated tests and test frameworks, Strong Python skills, Experience with pytest, Experience testing REST APIs, Experience working with Docker, Familiarity with CI/CD tools, Experience working in Linux/UNIX environments, Shell usage skills, English proficiency at B2+ level, Availability to work hybrid in Gdańsk 📃 Skills: Python, pytest, REST, Docker, Jenkins, GitHub, Linux, UNIX, Shell, CI/CD, Kubernetes, Java, Bash 🏢 Description: We are looking for a skilled Test Automation Engineer to join our team working on a key meteorological component of Lido Flight 4D. In this role, you will contribute to the development and evolution of Lido Meteorological Services — a domain responsible for processing, integrating, and distributing meteorological data for flight planning and in-flight decision support. The system ingests heterogeneous datasets, performs data transformation and harmonization, and exposes them via scalable services and APIs. As part of an agile team, you will be involved in quality assurance by developing and maintaining automated tests for meteorological services, ensuring their high availability and performance. The solutions delivered by Lido Meteorological Services are mission-critical and directly support operational decision-making, contributing to the safety, efficiency, and reliability of airline operations. 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. Why do we need you? You will be responsible for: Designing and developing automated backend tests. Extending and improving our Python-based test automation framework. Integrating automated tests into modern CI/CD pipelines. Validating REST APIs and complex data processing workflows. Collaborating closely with developers and business analysts. Continuously improving our testing strategy, tooling, and engineering practices. Who are you? Your profile: 3+ years of experience in software testing. Hands-on experience building automated tests and test frameworks. Solid Python skills, especially with pytest. Experience testing REST APIs. Experience working with Docker. Familiarity with Jenkins, GitHub Action s , or similar CI/CD tools. Confidence working in Linux/UNIX environments and using the shell. Good written and spoken English (B2+). Readiness to work in a hybrid model - 2 days in the office in Gdańsk. What do we welcome? Experience with Kubernetes. Basic Java knowledge. Bash scripting experience. What we offer: An international working environment, atmosphere that stimulates development. Individual career path. Stable employment under an employment contract. Salary in the range of: Standard position 8 000 - 16 000 zł gross Senior position 10 000 - 21 000 zł gross Lufthansa Group membership benefits. Flexible working time and place adjusted to employee’s needs. Possibility of starting your workday between 07:00 and 11:00. 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. Parking space for employees. Extra social benefits. Holiday funds. Sharing the costs of holidays for kids. Sharing the commuting costs. Modern office in Oliwa – great location and comfortable workspace.

🏢 Summary: Software Engineer role focused on modernizing a mission-critical aviation platform by developing cloud-hosted backend services and scalable cloud-native solutions in AWS. The position involves backend modernization, Kubernetes and container management, CI/CD automation, and operational reliability improvements in a distributed engineering environment. The role offers hybrid work flexibility, B2B or UoP employment, and benefits including healthcare and life insurance. 🗂️ Requirements: Experience developing backend applications in cloud environments, Strong knowledge of AWS and cloud-native architectures, Hands-on experience with Linux, Hands-on experience with Docker, Hands-on experience with Apache, Hands-on experience with Java, Hands-on experience with Spring Boot, Experience with Kubernetes and containerized workloads, Experience with CI/CD, Experience with Infrastructure as Code, Experience with automation, Understanding of cloud security, Understanding of monitoring and production support practices, Strong troubleshooting and problem-solving skills, Ability to work independently and collaborate within distributed teams, English level B2 or higher 📃 Skills: AWS, Linux, Docker, Apache, Java, Spring, Kubernetes, CI/CD, IaC, Automation, SQL, MySQL, Security, Monitoring 🏢 Description: We are looking for a Software Engineer to join a team responsible for modernizing a mission-critical aviation platform used by tens of thousands of customers worldwide. You will help design, build, and evolve cloud-hosted backend services that support the distribution of aviation data across desktop, mobile, and aircraft-connected workflows. This is a unique opportunity to work on a high-impact product while contributing to a large-scale modernization initiative focused on cloud-native architecture, automation, scalability, security, and operational excellence. Working closely with cross-functional teams, you will help transform a well-established platform into a modern, resilient, and highly scalable ecosystem capable of supporting future growth and new product offerings. Key responsibilities - Develop and modernize backend services hosted in AWS - Design and implement scalable, resilient cloud-native solutions - Build and improve APIs, integrations, and automated backend processes - Enhance CI/CD pipelines, infrastructure automation, monitoring, and observability - Manage and troubleshoot Kubernetes-based environments and containerized applications - Support production systems and drive reliability, security, and operational improvements - Collaborate with product, mobile, desktop, QA, and DevOps teams to deliver high-quality solutions - Leverage AI-assisted development tools to improve engineering efficiency while maintaining high standards of quality and security Ideal candidate profile - Experience developing backend applications in cloud environments - Strong knowledge of AWS and cloud-native architectures - Hands-on experience with Linux, Docker, Apache, Java and Spring Boot - Experience with Kubernetes and containerized workloads - Experience with CI/CD, Infrastructure as Code, and automation - Understanding of cloud security, monitoring, and production support practices - Strong troubleshooting and problem-solving skills - Ability to work independently and collaborate within distributed teams - English min. B2 Nice to Have - Experience modernizing legacy applications and services - Experience with SQL Server and MySQL - Experience building highly available and resilient production systems - Experience using AI-assisted software development tools Conditions - Employment type: B2B or UoP - Location: Gdańsk - Work model: 1 day a week in the office in Gdańsk or less frequently, depending on your availability - Salary: 190 PLN net/h - to negotiate Benefits - Life insurance - Private healthcare - Multisport card

🏢 Summary: The offer is for a Software Engineer to modernize and develop cloud-hosted backend services for a mission-critical aviation platform used globally. The role focuses on building scalable, resilient, cloud-native solutions in AWS, improving automation, CI/CD, and Kubernetes-based environments. You will contribute to transforming a legacy system into a modern, secure, and highly scalable ecosystem. 🗂️ Requirements: Experience developing backend applications in cloud environments, Hands-on experience with Linux, Docker, Apache, PHP, Strong knowledge of AWS and cloud-native architectures, Experience with Kubernetes and containerized workloads, Experience with CI/CD and Infrastructure as Code, Knowledge of cloud security and monitoring practices, Ability to troubleshoot production systems, English B2 level or higher 📃 Skills: AWS, Linux, Docker, Apache, PHP, Kubernetes, CI/CD, IaC, SQL, MySQL, SQLServer, AI 🏢 Description: We are looking for a Software Engineer to join a team responsible for modernizing a mission-critical aviation platform used by tens of thousands of customers worldwide. You will help design, build, and evolve cloud-hosted backend services that support the distribution of aviation data across desktop, mobile, and aircraft-connected workflows. This is a unique opportunity to work on a high-impact product while contributing to a large-scale modernization initiative focused on cloud-native architecture, automation, scalability, security, and operational excellence. Working closely with cross-functional teams, you will help transform a well-established platform into a modern, resilient, and highly scalable ecosystem capable of supporting future growth and new product offerings. Key responsibilities Develop and modernize backend services hosted in AWS Design and implement scalable, resilient cloud-native solutions Build and improve APIs, integrations, and automated backend processes Enhance CI/CD pipelines, infrastructure automation, monitoring, and observability Manage and troubleshoot Kubernetes-based environments and containerized applications Support production systems and drive reliability, security, and operational improvements Collaborate with product, mobile, desktop, QA, and DevOps teams to deliver high-quality solutions Leverage AI-assisted development tools to improve engineering efficiency while maintaining high standards of quality and security Ideal candidate profile Experience developing backend applications in cloud environments Hands-on experience with Linux, Docker, Apache, and PHP or Java Strong knowledge of AWS and cloud-native architectures Experience with Kubernetes and containerized workloads Experience with CI/CD, Infrastructure as Code, and automation Understanding of cloud security, monitoring, and production support practices Strong troubleshooting and problem-solving skills Ability to work independently and collaborate within distributed teams English min. B2. Nice to Have: Experience modernizing legacy applications and services Experience with SQL Server and MySQL Experience building highly available and resilient production systems Experience using AI-assisted software development tools Conditions Employment type: B2B or UoP Location: Gdańsk Work model: 1 day a week in the office in Gdańsk or less frequently, depending on your availability Salary: up to 190 PLN net/h Benefits: life insurance, private healthcare, Multisport card Recruitment steps Recruitment call with Agnieszka from KUBO Client interview (may require 2 rounds) Feedback and decision

🏢 Summary: Opportunity to modernize a mission-critical aviation platform by designing and developing cloud-hosted backend services in a scalable, cloud-native AWS environment. The role focuses on building resilient APIs, improving automation and CI/CD pipelines, and managing Kubernetes-based infrastructure to support global aviation data distribution. You will contribute to a large-scale modernization initiative emphasizing scalability, security, and operational excellence. 🗂️ Requirements: Experience developing backend applications in cloud environments, Hands-on experience with Linux, Docker, Apache, and PHP or Java, Strong knowledge of AWS and cloud-native architectures, Experience with Kubernetes and containerized workloads, Experience with CI/CD and Infrastructure as Code, Understanding of cloud security, monitoring, and production support practices, Strong troubleshooting and problem-solving skills, English proficiency at minimum B2 level 📃 Skills: AWS, Linux, Docker, Apache, PHP, Java, Kubernetes, CI/CD, IaC, SQL, SQLServer, MySQL, AI 🏢 Description: We are looking for a Software Engineer to join a team responsible for modernizing a mission-critical aviation platform used by tens of thousands of customers worldwide. You will help design, build, and evolve cloud-hosted backend services that support the distribution of aviation data across desktop, mobile, and aircraft-connected workflows. This is a unique opportunity to work on a high-impact product while contributing to a large-scale modernization initiative focused on cloud-native architecture, automation, scalability, security, and operational excellence. Working closely with cross-functional teams, you will help transform a well-established platform into a modern, resilient, and highly scalable ecosystem capable of supporting future growth and new product offerings. Key responsibilities Develop and modernize backend services hosted in AWS Design and implement scalable, resilient cloud-native solutions Build and improve APIs, integrations, and automated backend processes Enhance CI/CD pipelines, infrastructure automation, monitoring, and observability Manage and troubleshoot Kubernetes-based environments and containerized applications Support production systems and drive reliability, security, and operational improvements Collaborate with product, mobile, desktop, QA, and DevOps teams to deliver high-quality solutions Leverage AI-assisted development tools to improve engineering efficiency while maintaining high standards of quality and security Ideal candidate profile Experience developing backend applications in cloud environments Hands-on experience with Linux, Docker, Apache, and PHP or Java Strong knowledge of AWS and cloud-native architectures Experience with Kubernetes and containerized workloads Experience with CI/CD, Infrastructure as Code, and automation Understanding of cloud security, monitoring, and production support practices Strong troubleshooting and problem-solving skills Ability to work independently and collaborate within distributed teams English min. B2. Nice to Have: Experience modernizing legacy applications and services Experience with SQL Server and MySQL Experience building highly available and resilient production systems Experience using AI-assisted software development tools Conditions Employment type: B2B or UoP Location: Gdańsk Work model: 1 day a week in the office in Gdańsk or less frequently, depending on your availability Salary: up to 190 PLN net/h Benefits: life insurance, private healthcare, Multisport card Recruitment steps Recruitment call with Agnieszka from KUBO Client interview (may require 2 rounds) Feedback and decision

🏢 Summary: Mid-to-senior Software Engineer role focused on designing and building cloud-based tools for automated aeronautical data processing and delivery in a SaaS/DaaS model. The position involves developing ETL pipelines, backend services, and scalable microservices within AWS, supporting mission-critical aviation systems. You will work on reliable, production-ready integrated data solutions in a global technology environment. 🗂️ Requirements: Experience writing custom ETL pipelines, Experience designing and operating services in AWS, Strong experience with PostgreSQL and PostGIS, Extensive experience in Java development, Experience with microservices architecture, Proficiency in CI/CD pipeline maintenance, Experience with application monitoring and production debugging, Experience with relational and spatial database optimization 📃 Skills: Java, Python, SpringBoot, FastAPI, Angular, PostgreSQL, PostGIS, JDBC, psycopg2, AWS, EKS, Terraform, GitHub, GitHubActions, CI/CD, Jest, Playwright, Groovy, Spock, PyTest, ETL, Microservices 🏢 Description: Our Client is looking for a Software Engineers to join it's Integrated Data Solutions team in Gdańsk. In this role, you will design and build cloud-based tools that transform the way aeronautical data products are created, with a strong focus on automation and reliability. You will work on mission‑critical data production and delivery systems as part of a global technology organization developing advanced, data‑driven solutions for the aviation industry. We are seeking a mid‑to‑senior engineers who are both independent and collaborative, curious about new technologies yet pragmatic in execution, and motivated to drive complex projects to completion. This position centers on developing and scaling integrated data solutions delivered in a modern subscription model (SaaS/DaaS), offering the opportunity to shape the future of digital aviation. The company is a global aviation software leader delivering advanced digital tools that support flight operations across commercial, business, military and general aviation. It combines deep aeronautical data expertise with modern flight‑planning technology to create integrated platforms used by pilots, airlines and fleet operators worldwide. Since becoming an independent company in 2025, backed by a leading software investment firm, it has been able to focus fully on software innovation and accelerate the development of its aviation technologies. Its flagship solutions offer premium, geo‑referenced global aviation charts and navigation data directly within a modern flight‑planning application. The company’s mission is to advance digital aviation by providing integrated software that improves safety, efficiency and decision‑making across the entire flight lifecycle. It is building a connected platform that links the cockpit with operations centers, enabling crews and operators to plan, execute and analyze flights more effectively. The organization is looking for supportive team players with a can-do attitude, strong communication skills and a willingness to help and take ownership. Passion or experience in aviation is a strong advantage, together with curiosity and eagerness to learn a complex technical domain. You will work with following technologies: Requirements: JAMA Source Code: Github Database: Postgres, PostGIS Development language/frameworks: Agular, Python, Java, Spring Boot Testing: Jest, Playwright, Groovy/Spock, PyTest Cloud: AWS Cloud Infrastructure: GitHub Actions, GitHub Security Suite, GitHub Registry, EKS, Terraform Python API: FastAPI Key responsibilities Design and develop cloud-based tools that automate creation and processing of aeronautical data products. Build and maintain ETL pipelines and relational/spatial databases (PostgreSQL, PostGIS). Implement and improve backend services in Java (and related technologies) following best engineering practices. Deploy, monitor and troubleshoot services in AWS using automated CI/CD pipelines. Collaborate with a global team to deliver reliable, production-ready solutions for the aviation domain. Ideal candidate profile ETL: experience writing custom ETL pipelines AWS : Experience designing, deploying and operating services within Amazon Web Services Databases: Experience working with and optimizing relational and spatial databases (e.g., PostgreSQL, PostGIS, psycopg2 + JDBC) Java: Extensive, current experience writing high-quality Java code Microservices architecture DevOps CI/CD : Proficient working in and maintaining an automated CI/CD pipeline Application Monitoring & Debugging: Experience with monitoring tools and expert skills in debugging and troubleshooting production applications Nice to have: aviation interest; experience in aviation standards Conditions Location: Gdańsk Przymorze Work Model: hybrid, at least 2 days per week in the office Employment Type: B2B contract via KUBO Salary: up to 190 PLN/h Benefits: life insurance, private healthcare, Multisport card, growth supprt (co-funding of cloud certification exams) Recruitment steps Initial call with a KUBO recruiter Interview(s) with the client Decision, feedback and support through offer and onboarding At KUBO, we genuinely care about people. We welcome candidates of all ages, backgrounds, identities, family constellations, health situations, and ways of thinking and interacting with the world. You’re welcome to be yourself — we value authenticity, and we’re committed to creating a fair and inclusive process for everyone.