Software Engineer (C++)

🏢 Summary: Software Engineer (Python) role focused on developing and maintaining advanced avionics systems in an international environment. The position involves designing, integrating, and testing software solutions using modern technologies and Agile methodologies. It includes collaboration with global teams and contributing to quality, safety, and reliability standards. 🗂️ Requirements: Minimum 2 years of professional experience, Proficiency in Python, Higher education degree in Computer Science, Engineering, or related field, English proficiency at B2 level or higher, Experience with AWS, Experience with ETL processes and tools, Experience with PostgreSQL, Experience with Docker, Knowledge of Agile methodologies, Experience in software design, integration, and testing 📃 Skills: Python, AWS, ETL, PostgreSQL, Docker, Agile 🏢 Description: If you have experience in Python software development and are looking for new challenges in an international tech environment – this opportunity may be of interest to you. We are currently looking for a Software Engineer (Python) for our client, who will join a team working on advanced avionics systems used in the aviation industry. Key responsibilities Developing software using modern technologies and Agile methodologies Designing, developing, integrating, and testing software solutions Actively participating in project planning and execution Contributing to and improving software engineering processes (quality, safety, reliability) Collaborating with clients, stakeholders, and international teams Supporting a positive team culture and team motivation Ideal candidate profile Minimum 2 years of professional experience Proficiency in Python Higher education degree (e.g. Computer Science, Engineering, or related field) English proficiency at a minimum B2 level Experience with AWS, ETL processes and tools, relational databases (PostgreSQL), and containerization (Docker) Conditions Employment contract (UoP) Hybrid work in Gdańsk (1 day per week in the office, Gdańsk) Salary: negotiable, depending on your experience and expectations Additional days off during the holiday season Benefits: private medical care, life insurance, Employee Pension Plan (PPE), technical and certification training Recruitment steps Initial interview with a recruiter Interview with the client Final decision

🏢 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 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: The offer is for an experienced Software Engineer (JS/TS) to develop advanced avionics and aerospace frontend solutions within an international engineering team. The role focuses on building high-performance, accessible web applications, owning features end-to-end, and ensuring code quality through testing and collaboration. It is a hybrid position based in Gdańsk with competitive salary and performance-based bonuses. 🗂️ Requirements: Minimum 3 years of professional frontend development experience, Bachelor’s degree in engineering, computer science, mathematics, or related technical field, Practical experience with at least two JavaScript frameworks (React or Next.js), Strong proficiency in TypeScript, Strong knowledge of HTML5 and CSS3, Experience with frontend testing frameworks (Jest, Testing Library, Cypress or similar), Familiarity with Docker and containerized development workflows 📃 Skills: JavaScript, TypeScript, React, Next.js, HTML5, CSS3, Jest, Testing, Cypress, Docker 🏢 Description: For our client from the aviation industry, we are looking for an experienced Software Engineer (JS/TS) to join an international engineering team working on advanced avionics and aerospace solutions. Key responsibilities Develop and maintain modern, responsive, accessible, and high-performance applications using JavaScript/TypeScript and contemporary frontend frameworks Take ownership of frontend features end-to-end, from concept and implementation through testing and release Create and maintain unit and integration tests to ensure high code quality and application reliability Conduct constructive code reviews and support team members by sharing best practices and technical guidance Work closely with product owners, UX/UI designers, backend developers, and QA engineers to deliver seamless user experiences Ideal candidate profile 3 years of hands-on experience in professional frontend development Bachelor’s degree in engineering, computer science, mathematics, or a related technical discipline Practical experience with two or more JavaScript frameworks (React or Next.js) Solid proficiency in TypeScript Strong knowledge of HTML5 and CSS3 Experience using frontend testing frameworks (such as Jest, Testing Library, Cypress, or similar) Familiarity with containerized development workflows and tools like Docker 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 I interview with the client II interview with the client Decision and feedback

🏢 Summary: The offer is for an experienced Software Engineer (JS/TS) to develop advanced, high‑performance frontend applications for avionics and aerospace solutions within an international engineering team. The role covers end‑to‑end frontend feature ownership, testing, code reviews, and close collaboration with cross‑functional teams in a hybrid work model. 🗂️ Requirements: Minimum 3 years professional frontend development experience, Bachelor’s degree in engineering, computer science, mathematics or related field, Practical experience with at least two JavaScript frameworks, Strong proficiency in TypeScript, Strong knowledge of HTML5 and CSS3, Experience with frontend testing frameworks, Experience with containerized development and Docker 📃 Skills: JavaScript, TypeScript, React, Next.js, HTML5, CSS3, Jest, Testing, Cypress, Docker 🏢 Description: For our client from the aviation industry, we are looking for an experienced Software Engineer (JS/TS) to join an international engineering team working on advanced avionics and aerospace solutions. Key responsibilities Develop and maintain modern, responsive, accessible, and high-performance applications using JavaScript/TypeScript and contemporary frontend frameworks Take ownership of frontend features end-to-end, from concept and implementation through testing and release Create and maintain unit and integration tests to ensure high code quality and application reliability Conduct constructive code reviews and support team members by sharing best practices and technical guidance Work closely with product owners, UX/UI designers, backend developers, and QA engineers to deliver seamless user experiences Ideal candidate profile 3 years of hands-on experience in professional frontend development Bachelor’s degree in engineering, computer science, mathematics, or a related technical discipline Practical experience with two or more JavaScript frameworks (React or Next.js) Solid proficiency in TypeScript Strong knowledge of HTML5 and CSS3 Experience using frontend testing frameworks (such as Jest, Testing Library, Cypress, or similar) Familiarity with containerized development workflows and tools like Docker 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 I interview with the client II interview with the client Decision and feedback

🏢 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: Design and develop a high-scale, low-latency cloud-native order management system for airlines, replacing legacy ticketing with a modern Offer & Order platform. The role focuses on building and optimizing mission-critical microservices, handling complex state management, and integrating with legacy systems in a cloud environment. You will work in an Agile team to deliver secure, high-performance solutions processing millions of global transactions. 🗂️ Requirements: 6-9 years of software development experience, Experience in Agile software development, Strong experience with Java, Strong experience with Spring, Experience with Web Services, Experience with Git, Experience with Maven, Experience with Jenkins, Experience with Docker, Knowledge of GCP cloud technologies, Strong analytical and problem-solving skills, English proficiency (written and verbal), Legal work permit in Poland 📃 Skills: Java, Spring, WebServices, Git, Maven, Jenkins, Docker, GCP, Agile, Microservices, Cloud 🏢 Description: Project info Our customer is building a cloud-native order management system for airlines that replaces legacy ticketing with a modern, e-commerce-driven "Offer & Order" ecosystem. As a Software Engineer on this high-scale, low-latency platform, you will leverage AI tools to gain productivity while designing, coding, and deploying mission-critical microservices capable of securely processing millions of global transactions. You will tackle complex state management and troubleshoot intricate software issues to handle the complete lifecycle of dynamic travel baskets and seamless legacy system integrations. Working closely with technical panels, you will actively design prototypes, propose architectural enhancements, and align business requirements with advanced technology. If you have the right mindset, join us on this thrilling journey to build a massive market differentiator that will fundamentally transform the global travel industry. Responsibilities Develops, codes, tests and debugs new complex software solutions or enhancements to existing product Designs, plans, develops and improves applications using routine and advanced technology Works on issues where analysis of situations or data requires an in-depth knowledge of application & system Encourage high coding standards, using best practices and high quality Represents team on cross-teams’ meetings Job requirements around 6-9 years of related experience Experience in fast paced Software Development in Agile environment Experience in: Java, Spring, Web Services Experience with tools like Git, Maven, Jenkins, Docker Good knowledge of cloud based technologies (GCP) Excellent analysis and problem-solving skills Good communication skills in English, both written and verbal Must possess a legal work permit in Poland Benefits General benefits - depends on the form of employment Hybrid work model combining office & remote work Attractively located office with collaboration spaces Onsite parking space for employees Referral program with financial bonus Life Insurance Budget for development (including language courses and others), clear career path with the possibility to gain experience in international environment Access to internal Learning Platform with multiple trainings oriented for professional growth Lifestyle benefits: Access to MyBenefit platform (Multisport included) Team Building activities Charity initiatives Working environment promoting diversity and inclusion Health benefits: Private medical care - Platinum Package

🏢 Summary: 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.