Software Systems Engineer

🏢 Summary: Role focused on developing and maintaining safety-critical embedded software for advanced avionics systems in modern aircraft. The position involves system-level architecture, requirements engineering, and full software lifecycle activities within certification-driven environments. You will collaborate with multidisciplinary teams to deliver compliant, high-reliability solutions for next-generation aviation platforms. 🗂️ Requirements: Experience in safety-critical software development (full lifecycle), Strong experience in embedded C/C++, Experience with system requirements engineering and traceability, Experience in code reviews and adherence to quality standards, Experience in verification, validation, and certification processes, Ability to identify safety and reliability risks, Experience working with cross-functional engineering teams, English proficiency minimum B2 📃 Skills: C, C++, Embedded, DO-178C, ARP4754, MBSE, Avionics, Verification, Validation, Traceability 🏢 Description: We are recruiting for a global organization operating in the aviation industry, focused on developing advanced avionics and embedded systems used in modern aircraft. The team works on safety-critical software and system-level solutions for next-generation aviation platforms. It’s a stable environment with long-term projects and strong engineering standards. You’ll be part of a multidisciplinary team working on embedded systems, with real impact on system architecture, requirements, and certification processes. Key responsibilities Work on system-level architecture and requirements engineering Translate system requirements into software design and implementation Develop and maintain embedded software (C/C++) Participate in code reviews and ensure compliance with standards Support software verification, validation, and certification processes Identify risks, safety, and reliability issues Collaborate with systems engineers and international teams Contribute to process improvements and engineering best practices Ideal candidate profile Experience in safety-critical software development (full lifecycle) Strong experience with C/C++ (embedded) Ability to work with system requirements and maintain traceability Experience with code reviews and quality standards Experience working with cross-functional teams (systems, stakeholders) English min. B2 Nice to have Knowledge of standards like DO-178C, ARP4754 Experience with Model-Based Systems Engineering Background in avionics or other regulated industries Conditions Form of cooperation: UoP + KUP 50% Hybrid work model: 2 days per week in the Gdańsk office Benefits: private medical care, Multisport card, employee pension scheme Recruitment steps Phone call with Recruiter Client interview 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: 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: B2B opportunity to develop advanced software for industrial automation and motion control systems, covering full lifecycle from requirements and architecture to testing and integration. The role involves building web and desktop solutions, co-designing system architecture, and leading component integration in a hybrid work model. 🗂️ Requirements: Bachelor’s degree in Computer Science, Computer Engineering, Electrical Engineering or related field, Experience with Angular, Experience with JavaScript, Experience with TypeScript, Experience with Java, Strong understanding of object-oriented programming, Experience with at least one OO language: C++ / C# / Java / Python, Knowledge of cloud technologies, English at B2 level minimum 📃 Skills: Angular, JavaScript, TypeScript, Java, Kotlin, C++, C#, Python, Cloud, OOP 🏢 Description: We are recruiting for an established technology company specializing in industrial automation and motion control systems. The company develops advanced software solutions used in both web and desktop applications and focuses on modern engineering standards and high-quality development practices. In this role, you will be responsible for developing software supporting motion control systems, as well as designing system architecture, creating documentation, and integrating system components. The work covers the full development lifecycle – from requirements gathering and implementation to testing and maintenance. Key responsibilities Analyze, gather, and document technical requirements for features and their components Co-create system architecture and designs that meet the project requirements Estimate project work while considering trade-offs between requirements, cost, speed, and reliability Create and execute comprehensive unit test plans; analyze, debug, and resolve anomalies Lead component integration and solve issues across subsystems Ideal candidate profile Bachelor’s degree in Computer Science, Computer Engineering, Electrical Engineering, or a related field Experience with Angular, JavaScript, TypeScript, Java Experience with Kotlin (nice to have) Strong understanding of object-oriented programming and experience with at least one OO language: C++ / C# / Java / Python Knowledge of cloud technologies English at a minimum B2 level Experience using AI tools to enhance engineering efficiency is a strong plus Conditions B2B contract Salary: 130–150 PLN net/h Hybrid work model - 3 days per week in Katowice Benefits: private medical care, life insurance, Multisport card Recruitment steps Phone call with Recruiter (20 - 30 min.) Technical verification call by the client Interview with the client 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: 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

🏢 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: Hybrid Aerospace Software Engineer role focused on developing and testing embedded aviation systems for global aerospace applications. The position involves working with cross-functional engineering teams to deliver mission-critical avionics software compliant with aerospace safety and certification standards. The offer includes flexible benefits, technical training, and opportunities to work with RTOS, C/C++, and aerospace development tools. 🗂️ Requirements: Bachelor's degree in Aerospace Engineering, Computer Science, or related field, 3+ years of software development experience in aerospace or avionics industry, Proficiency in C or C++, Experience with RTOS, English proficiency at B2 level 📃 Skills: C, C++, RTOS, MATLAB, Simulink, Git, CI/CD 🏢 Description: Join a global aerospace and technology company that designs advanced avionics and digital solutions for modern aircraft. As an Aerospace Software Engineer, you will help design, develop, and maintain mission-critical aviation systems used in the aerospace industry worldwide, ensuring the highest standards of safety, quality, and reliability. Quick Facts - Location: Hybrid work model based in Gdańsk or Rzeszów - Contract type: UoP (employment contract) - Salary: Depending on experience and expectations Key responsibilities - Developing software for aviation systems using appropriate engineering techniques and tools - Designing, implementing, integrating, and testing embedded software solutions - Collaborating with cross-functional engineering teams to deliver project milestones - Contributing to the continuous improvement of product quality, safety, and reliability - Supporting software development in compliance with aerospace industry standards and certification processes Ideal candidate profile - Bachelor's degree in Aerospace Engineering, Computer Science, or a related engineering field - 3+ years of software development experience in the aerospace or avionics industry - Proficiency in C or C++ for embedded or aerospace systems - Experience with real-time operating systems (RTOS) used in aerospace Nice to have - Experience with DO-178C or other aerospace software standards - Familiarity with model-based development (MATLAB/Simulink) - Experience with version control systems (Git) and CI/CD in aerospace environments - English proficiency (minimum B2 level) Benefits - Flexible working hours - Additional paid days off during the holiday season - Learning Together program - MyBenefit program - Employee Recognition Program - Private medical care - Life insurance - Employee Pension Plan (PPE) - Technical and certification training Recruitment steps - Phone call with a recruiter (20 min) - Technical interview with the client - Decision and feedback

🏢 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: 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: 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