Senior/Lead Full Stack Engineer (Desktop/Mobile Applications)

🏢 Summary: The offer is for a Senior Full Stack Engineer to develop and modernize a mission‑critical flight management system delivering aeronautical charts and navigation data across desktop, mobile, and AWS cloud platforms. The role focuses on building scalable, resilient, cloud‑native architectures and improving reliability, security, and CI/CD practices in a high‑availability aviation environment. 🗂️ Requirements: Experience developing production applications and backend services in cloud environments, Hands-on experience with desktop and/or mobile application development, Strong backend development experience with AWS and cloud-native architectures, Experience designing scalable, resilient end-to-end system architectures, Practical experience with CI/CD pipelines and deployment workflows, Experience with containers and Kubernetes, Experience with infrastructure as code, Knowledge of cloud and application security best practices, Experience with AI-assisted development tools 📃 Skills: AWS, React, ReactNative, Tauri, Rust, Kubernetes, Docker, CI/CD, IaC, Cloud, Microservices, AI, Claude, Codex 🏢 Description: We are seeking a Senior Full Stack Engineer to help build the next generation of a mission‑critical flight management system that delivers aeronautical charts and navigation databases to the general and business aviation market. The system is evolving into a modern, reliable, multi‑platform experience that lets aviation customers purchase, manage, download and load avionics data wherever they operate, including directly at the aircraft. This role is ideal for an experienced full‑stack product engineer who can work across desktop and mobile applications and modern cloud‑native backend services, strengthening a high‑impact aviation platform that keeps aircraft data current, compliant and ready to fly. Key responsibilities Develop and modernize desktop, mobile and AWS cloud hosted backend capabilities for a mission critical flight management system. Help design scalable, resilient end to end architecture across applications, backend services, cloud infrastructure and avionics data workflows. Build and enhance desktop and mobile application workflows using native, cross platform or modern frontend technologies. Develop and improve cloud native backend services, integrations, automated jobs and operational workflows used by client applications. Support device and OEM avionics ecosystem compatibility across platforms such as Garmin, Honeywell, Rockwell Collins, Avidyne and others. Improve architecture, reliability, performance, maintainability, CI/CD, monitoring, high availability, disaster recovery and production support practices. Use AI augmented development tools (e.g. Claude, Codex or similar) to support design, implementation, debugging, testing, refactoring and code review while maintaining code quality, security and human accountability. Ideal candidate profile Solid experience developing and modernizing production software across applications and backend services in cloud environments. Hands‑on experience building desktop and/or mobile applications with native, cross‑platform or modern frontend frameworks (e.g. React). Strong background in backend development with AWS , cloud‑native architecture patterns and common operational practices. Practical experience with CI/CD, infrastructure automation, deployment workflows and production support. Experience with containers, Kubernetes and infrastructure as code . Experience using AI‑assisted development tools (e.g. Claude, Codex or similar) to support development, testing and code review. Nice to have Experience with Tauri, Rust, React, React Native or similar technologies for modern desktop and mobile development. Experience modernizing legacy applications or services into cloud‑native, cross‑platform architectures. Experience with systems that interact with external devices, removable media, embedded systems or hardware labs. Experience improving CI/CD, monitoring, alerting, incident response and release practices (including HA/DR). Background in aviation, navigation data, regulated or other mission‑critical software environments. Experience defining safe AI‑assisted engineering workflows for complex, production‑grade codebases. Conditions Location: Gdańsk Przymorze Work model: hybrid, 1–2 days per week from the office, with a flexible schedule adjusted to team needs and your availability. Employment type: B2B contract via KUBO or UoP Salary: up to 190 PLN/h (net on B2B) Benefits: life insurance, private healthcare, Multisport card, and development support (co‑funding of cloud certification exams). Recruitment steps Initial call with a KUBO recruiter Narek Interview(s) with the client Decision, feedback and support through offer and onboarding

🏢 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: Fullstack Software Developer role focused on building and evolving cloud-native, microservices-based applications for aviation operations, combining .NET backend development with modern Vue.js frontend solutions. The position involves end-to-end feature delivery, architectural improvements, quality assurance, and technical leadership within an AWS environment. The role also includes mentoring, driving testing standards, and contributing to agile SAFe processes. 🗂️ Requirements: 3+ years of software development experience, Proven experience with Vue.js and TypeScript, Strong experience with .NET and C#, Experience building SPA and Micro-frontend applications, Experience with ASP.NET Web API, Experience with Entity Framework, Experience maintaining microservices and monolithic architectures, Experience with AWS or other cloud providers, Knowledge of CI/CD pipelines, Experience with Docker containerization, Experience with unit, component, and functional testing, Knowledge of responsive design and accessibility standards, Bachelor’s Degree in Computer Science, Software Engineering, or related field, Strong English communication skills 📃 Skills: C#, .NET, Vue.js, TypeScript, ASP.NET, WebAPI, EntityFramework, AWS, Docker, GitHub, GitLab, Jenkins, CI/CD, HTML, CSS, SASS, Microservices, SPA, WPF, Python, SAFe 🏢 Description: Skywise is a leading digital services company, wholly owned by Airbus. We deliver a first-of-its-kind offer that seamlessly integrates Planning & Operations Control, Flight, Technical, and Ground Operations. By providing interoperable digital solutions for end-to-end operations, Skywise combines aircraft manufacturer expertise and digital know-how to transform operational complexity into predictable and profitable performance, ensuring resilient and more sustainable operations. We’re looking for an enthusiastic Fullstack Software Developer to join our team and accelerate the growth of our Software Factory. In this role, you’ll have the unique opportunity to bridge the gap between robust backend logic and intuitive user interfaces. You’ll work on diverse architectures - from cloud-native AWS microservices to mission-critical applications - designing, implementing, and optimizing UI applications and backend services in a microservices-based environment. Responsibilities: As a Fullstack Software Developer, you will be a technical anchor for our products, balancing backend reliability with frontend excellence. Your main duties will include: Development & Architecture: Develop and maintain .NET (C#) applications and modern UI components. You will extend existing infrastructures and propose new architectural designs to improve product behavior and scalability within a microservices-based environment. End-to-End Feature Delivery: Implement product features—sometimes from limited specifications—through active engagement with stakeholders. You will be responsible for coding, documenting, and debugging tasks to meet high-level acceptance criteria. Quality & Testing: Set high standards for code quality and testability. You will guide the creation of unit, component, and functional tests, coordinating cross-team implementations to ensure reusability and avoid duplication. Technical Direction: Provide technical guidance for solutions within our services. You will identify potential obstacles in team plans, define contingency plans, and solve complex problems with minimal supervision. Mentorship & Collaboration: Supervise and guide more junior team members, conducting code reviews and refactoring at the functional level. You will foster a testing mindset and ensure the team follows security and coding best practices. Continuous Improvement: Propose and lead "chapter" initiatives to achieve business goals. You will leverage your deep technical understanding to influence future tech stacks and seek new ways to improve the tribe’s productivity. Agile Advocacy: Actively participate in our SAFe process, guiding others in agile development concepts and leading the adoption of change and continual improvement. Must-Haves: We are looking for a versatile engineer who combines frontend expertise with solid backend fundamentals. Professional Experience: 3+ years of experience in software development, with a proven track record in both frontend (Vue.js, TypeScript) and backend (.NET / C#) environments. Frontend Depth: Experience in building SPA and Micro-frontend solutions from the ground up, using modern HTML/CSS (SASS). Backend & API: Hands-on experience with ASP.NET Web API, Entity Framework, and maintaining both microservices and monolithic architectures. Cloud & DevOps: Recent experience with AWS (or other major cloud providers). Solid understanding of CI/CD pipelines (GitHub Actions, GitLab CI, Jenkins) and containerization with Docker. Quality: Strong commitment to software reliability through Unit, Component, and Functional testing. Design & UX: Practical knowledge of Responsive Design, Accessibility standards, and working with Design Systems. Communication: Strong technical communication skills in English (written and spoken), with the ability to lead and share concepts with various audiences. Problem Solving: Proactive in identifying technical challenges, proposing effective solutions, and championing team spirit. Education: Bachelor’s Degree in Computer Science, Software Engineering, or a related field. Nice to Have: Advanced Testing: Deep expertise in automated functional tests using Python, combined with a broad understanding of testing methodologies (functional & non-functional). ISTQB certification or demonstrable knowledge of ISTQB best practices is a strong asset. Legacy & Desktop Tech: Experience with WPF (Windows Presentation Foundation) and an understanding of ASP.NET MVC or ASP.NET Web Pages. Aviation Domain: Understanding of airline operations, flight planning, or air navigation principles. A genuine passion for the aviation industry is a huge plus! Process & Methodology: Practical knowledge of agile development concepts and experience working within the SAFe process. What we Offer: Stable, full-time employment contract Flexible working hours with a hybrid model (3 days per week in our Gdansk office at Olivia Business Centre) Training and development opportunities to support your career growth (3000 PLN gross per year after the probationary period) Co-funding for meals and commuting Access to the latest knowledge and technologies enabling professional development Opportunity to work on international projects and collaborate with global teams, including occasional international travel Private medical coverage Sport card Mental health support platform Life insurance Access to Employee Share Scheme Employee referral program bonus (5000 PLN) Recruitment Roadmap: Recruitment form completion Technical interview Final interview with the HR Business Partner Offer Selection and Hiring Commitment We thank all applicants for applying. Only selected applicants will be contacted. Skywise is committed to creating an environment and a culture where everyone feels like they belong no matter who they are or where they are from. We are committed to providing equal employment opportunities to all individuals based on job-related qualifications and ability to perform a job. We do not discriminate against any employee or applicant for employment because of race, colour, sex, age, national or ethnic origin, religion, sexual orientation, gender identity or expression, marital status, family status, genetic characteristics, record of offences, and basis of disability or any protected class. Accommodations will be available on request for candidates throughout the entire recruitment and selection process. Skywise Gdansk is operating within the Airbus Helicopters Polska Structure. At Airbus Helicopters Polska sp. z o.o. Gdańsk Plant, the "Internal procedure for reporting legal violations and taking follow-up actions at Airbus Helicopters Polska sp. z o.o. Gdańsk Plant" is in effect. This procedure was introduced in accordance with the Act of June 14, 2024, on the protection of whistleblowers (Journal of Laws of 2024, item 928). In the event of any detected violations, whistleblowers can submit reports to the following email address: talent@skywise.com

🏢 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.

🏢 Summary: Mid-to-senior Software Engineer role focused on designing and building cloud-based tools for automated aeronautical data processing within a SaaS/DaaS model. The position involves developing ETL pipelines, backend services, and scalable data solutions in AWS to support mission-critical aviation systems. You will work on production-grade, data-driven platforms with strong emphasis on reliability, automation, and DevOps practices. 🗂️ Requirements: Experience building custom ETL pipelines, Experience designing, deploying and operating services in AWS, Experience with relational and spatial databases (PostgreSQL, PostGIS), Strong commercial experience in Java development, Experience with microservices architecture, Experience maintaining automated CI/CD pipelines, Experience with application monitoring and production debugging, Ability to develop and maintain backend services using Spring Boot, Experience working with Git-based workflows 📃 Skills: Java, Spring, SpringBoot, Python, Angular, PostgreSQL, PostGIS, AWS, EKS, Terraform, GitHub, GitHubActions, FastAPI, Jest, Playwright, Groovy, Spock, PyTest, JDBC, psycopg2, ETL, CI/CD, 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.

🏢 Summary: The offer is for a Java Engineer to develop, integrate and test safety‑critical avionics software for modern aircraft and urban air mobility solutions. The role involves working in an agile, international environment with a strong focus on quality, safety and continuous improvement. The position is based in Gdańsk with a hybrid work model. 🗂️ Requirements: Bachelor’s degree in engineering, computer science, mathematics or related field, Commercial experience with Java, Experience with object-oriented design, Experience developing web services (REST or SOAP), Experience or strong interest in containerization, Very good command of English 📃 Skills: Java, OOP, REST, SOAP, Docker, OCI, Agile 🏢 Description: Are you an experienced Java Engineer who enjoys working with complex, safety-critical systems? Would you like to develop advanced avionics software used in modern aircraft and future urban air mobility solutions? Join an international engineering team in Gdańsk and build reliable, high‑quality systems for the aviation industry. In this role you will work in a modern tech stack, in an agile environment, with strong focus on quality, safety and continuous improvement. If you are ready for your next step in an international setting – apply today! Key responsibilities Design, develop, integrate and test Java software for avionics and complex electronic systems used in aircraft and related platforms Use modern programming techniques, tools, languages and agile methodologies to deliver high‑quality software components Contribute proactively to project execution plans, helping to define and achieve operational and delivery goals Drive continuous improvements in software engineering processes, product quality, safety and reliability Collaborate closely with customers, stakeholders and international peers to understand requirements and performance expectations Support building a positive team culture, knowledge sharing and high motivation within the engineering team Ideal candidate profile Bachelor’s degree in engineering, computer science, mathematics or a related technical field Solid commercial experience with Java and object‑oriented design Experience in developing web services (e.g. REST, SOAP) Experience or strong interest in containerization technologies (e.g. Docker, OCI) Comfortable working in international, multi‑national project teams Strong willingness to learn new technologies and domains Very good command of English Conditions Location: Gdańsk, Poland Work Model: Hybrid Employment Type: Regular employment (UoP) Salary: Market‑competitive base salary with performance‑based bonus structure and a range of additional benefits Recruitment steps Initial call with a KUBO recruiter Interview(s) with the client Decision and feedback

🏢 Summary: Development role focused on building and modernizing mission-critical desktop and mobile applications used to manage and deliver avionics data across aviation platforms. The position involves cross-platform engineering, device integration, and architecture improvements in a safety-sensitive environment. You will design reliable workflows for external media and ensure high performance, compatibility, and compliance of aviation software systems. 🗂️ Requirements: Strong experience in desktop and/or mobile application development in production environments, Hands-on experience with modern frontend frameworks (React preferred), Experience with cross-platform technologies (Tauri, Electron, React Native, Flutter or similar), Knowledge of Windows, macOS, and/or Android platforms, Experience with backend or systems programming languages (Rust, C++, C#, Java, Kotlin, or Swift), Experience working with filesystems, removable media, binary formats, or hardware integrations, Strong debugging and troubleshooting skills, Experience with automated, integration, and regression testing, Ability to design architecture and make technical decisions, English proficiency minimum B2 📃 Skills: React, Tauri, Electron, ReactNative, Flutter, Windows, macOS, Android, Rust, C++, C#, Java, Kotlin, Swift, USB, SD, Filesystems, CI/CD, Git, AI 🏢 Description: We are recruiting for a global organization operating in the aviation industry, developing mission-critical software solutions used by pilots and aircraft operators worldwide. The team is responsible for modernizing a core aviation platform used to manage and deliver navigation data, charts, and avionics updates across desktop and mobile environments. The product supports thousands of aviation customers and plays a critical role in keeping aircraft systems compliant and operational. This role combines desktop/mobile engineering, platform architecture, device integration, and modern cross-platform development. You’ll work on applications interacting directly with avionics media and external devices in a highly reliable, safety-sensitive environment. Key responsibilities Lead development of desktop and mobile applications used to prepare and deliver avionics data Design and implement reliable workflows for USB drives, SD cards , and other removable media used in aviation systems Develop cross-platform solutions for Windows, macOS, and mobile environments Drive improvements in architecture, performance, maintainability, and scalability Build application logic related to file validation, checksums, manifests, diagnostics, and device-specific outputs Support compatibility across avionics ecosystems and external hardware devices Collaborate with QA and lab teams on real-device validation and testing Contribute to long-term architecture decisions for desktop and mobile platforms Use AI-assisted development tools (e.g. Claude, Codex) to support implementation, debugging, testing, and refactoring Participate in code reviews, technical discussions, and mentoring activities Work closely with product, DevOps, QA, and engineering teams in an international environment Ideal candidate profile Strong experience building desktop and/or mobile applications in production environments Hands-on experience with modern frontend frameworks (preferably React) Experience with cross-platform technologies such as Tauri, Electron, React Native, Flutter , or similar Good understanding of native platforms: Windows, macOS, Android Experience with backend or systems programming languages such as Rust, C++, C#, Java, Kotlin, or Swift Experience working with filesystems, removable media, binary formats, or hardware/device integrations Strong debugging and troubleshooting skills in complex production environments Testing mindset — automated, integration, regression, and hardware-related validation Ability to work independently and make architectural decisions English min. B2 Nice to have: Experience with Tauri + Rust stack Experience in aviation, avionics, or other safety-critical industries Knowledge of CI/CD pipelines for desktop/mobile applications Experience modernizing legacy applications Experience with Apple/Windows signing and release processes Familiarity with AI-assisted software development workflows Conditions Employment type: B2B contract via KUBO or UoP Location: Gdańsk Przymorze Work model: hybrid, 1–2 days per week from the office, with a flexible schedule adjusted to team needs and your availability. Salary: up to 190 PLN/h (net on B2B) Recruitment steps Phone call with Recruiter Client interview (may require 2 rounds) Feedback and decision W KUBO naprawdę zależy nam na ludziach. Zapraszamy osoby w różnym wieku, o różnych tożsamościach i sposobach funkcjonowania oraz niezależnie od sytuacji zdrowotnej i rodzinnej. Autentyczność jest dla nas wartością, a naszym celem jest uczciwy i otwarty proces dla wszystkich. 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.

🏢 Summary: The role involves designing, developing, integrating, and testing Java-based avionics software for complex, safety-critical aircraft systems. You will work in an agile, international environment using modern technologies to deliver high-quality, reliable solutions for the aviation industry. The position focuses on software quality, safety, and continuous improvement within advanced aerospace projects. 🗂️ Requirements: Bachelor’s degree in engineering, computer science, mathematics or related technical field, Minimum 4 years of experience with Java, Strong object-oriented design skills, Experience developing web services (REST, SOAP), Knowledge or experience with containerization technologies, Very good command of English 📃 Skills: Java, OOP, REST, SOAP, Docker, OCI, Agile 🏢 Description: Are you Java Engineer who enjoys working with complex, safety-critical systems? Would you like to develop advanced avionics software used in modern aircraft and future urban air mobility solutions? Join an international engineering team in Gdańsk and build reliable, high‑quality systems for the aviation industry. In this role you will work in a modern tech stack, in an agile environment, with strong focus on quality, safety and continuous improvement. If you are ready for your next step in an international setting – apply today! Key responsibilities Design, develop, integrate and test Java software for avionics and complex electronic systems used in aircraft and related platforms Use modern programming techniques, tools, languages and agile methodologies to deliver high‑quality software components Contribute proactively to project execution plans, helping to define and achieve operational and delivery goals Drive continuous improvements in software engineering processes, product quality, safety and reliability Collaborate closely with customers, stakeholders and international peers to understand requirements and performance expectations Support building a positive team culture, knowledge sharing and high motivation within the engineering team Ideal candidate profile Bachelor’s degree in engineering, computer science, mathematics or a related technical field - required 4 years of experience with Java and object‑oriented design Experience in developing web services (e.g. REST, SOAP) Experience or strong interest in containerization technologies (e.g. Docker, OCI) Comfortable working in international, multi‑national project teams Very good command of English Conditions Location: Gdańsk, Poland Work Model: Hybrid Employment Type: Regular employment (UoP) - direct employment by the client, Salary: Base salary with performance‑based bonus structure and a range of additional benefits Recruitment steps Initial call with a KUBO recruiter Interview(s) with the client Decision and feedback

🏢 Summary: Engineering role focused on building and maintaining mission‑critical Python backend services for aviation platforms used by airlines and flight operations worldwide. The position covers the full software lifecycle, from design and implementation to deployment and production support, in close collaboration with domain experts. Work involves developing reliable, high‑availability systems in a demanding, always‑on environment. 🗂️ Requirements: Commercial experience in software development (3+ years mid or 8+ years senior, or strong entry‑level profile), Hands‑on experience with Python in production environments, Experience building backend services and APIs, Experience with automated testing and code reviews, Ability to troubleshoot and debug production systems, Fluent English for technical collaboration, Availability for occasional business travel within Europe 📃 Skills: Python, API, REST, Backend, Testing, Debugging, Git, AWS, Docker, Kubernetes, Java, Spring, Rave 🏢 Description: Do you want to build software in Python and work on systems that directly support airlines and flight operations? Would you like to combine hands‑on engineering with close collaboration with business stakeholders in the aviation domain? We are partnering with aviation customers to grow their engineering and implementation teams and are hiring several profiles: entry‑level, mid‑level and senior engineers. You will contribute to a mission‑critical aviation platform relied on by airlines, pilots and fleet operators around the world. The products operate in a demanding environment, where reliability, accuracy and always‑on availability are essential. You’ll work with experienced engineers and domain experts, shaping core capabilities end‑to‑end – from early discovery and design through delivery to continuous improvement. Key responsibilities Design, develop and maintain backend services for aviation‑related products. Collaborate with product and domain experts to understand requirements and translate them into technical solutions. Move comfortably between technical details and business context, supporting both engineering teams and end users. Take part in the full development lifecycle: design, implementation, code reviews, automated testing and deployment. Troubleshoot and debug production issues, improve reliability and performance, and suggest technical improvements. Ideal candidate profile 3+ years (Mid) or 8+ years (Senior) of experience in software development or a similar engineering role. We can also accept entry level applications if other qualifications are a good match. In simple words - we are building a diverse team! Comfortable working with Python in a production environment (services, APIs, data processing). Fluent in English and used to working with international clients and distributed teams. Open to occasional business travel within Europe. Able to move between technical detail and business context with ease. Nice to have Experience in aviation (e.g. crew planning or airline operations). Experience with Java (e.g. Spring Boot) or another programming language. Rave programming language. Experience as Product Owner or similar role close to the business. Background in large software implementation projects at customers. Exposure to AWS or another cloud platform, test automation frameworks, Docker / Kubernetes. Interest in AI tools and how they can support engineering work. What matters most Ownership mindset and a proactive approach to problems. Strong communication skills with both engineers and business stakeholders/clients. Flexibility and ability to adapt in dynamic, changing environments. Conditions Location: Gothenburg or Gdańsk Work Model: Hybrid from the office in Gothenburg/Gdańsk or fully remote across Poland. Employment Type: B2B contract via KUBO; employment contract also possible. Salary: Competitive, aligned with your seniority and form of cooperation + additional wellbeing & training benefits Recruitment steps Initial call with a KUBO recruiter (and optional technical tests) Interview(s) with the client (in June) Decision, feedback and support through offer and onboarding The start of the assignment will be no earlier than in the second half of August