Fullstack Software Engineer – Python / React

Join an international engineering team developing software for the aviation industry. The team works on advanced systems and electronic solutions supporting aircraft, including navigation, flight controls, and information systems.As a Fullstack Software Engineer, you’ll work in a hybrid model in Gdańsk, collaborating with experienced engineers, product owners, UX designers, backend developers, and QA. You’ll develop backend services using Python and modern web frameworks, as well as frontend applications using JavaScript/TypeScript and React. You’ll take ownership of features from implementation and testing through to delivery, while also contributing to code reviews, technical discussions, and improving development processes.Key responsibilitiesDesign, develop, test, and maintain backend services using Python and modern web frameworksDevelop responsive, accessible, and performant frontend applications using JavaScript/TypeScript and ReactOwn features end-to-end, from design and implementation through testing and deliveryBuild and integrate RESTful APIsWrite and maintain unit and integration tests across frontend and backendParticipate in code reviews and share best practices with other engineersCollaborate with product owners, UX designers, backend developers, and QAWork with Git, CI/CD pipelines, and standard branching and merge request workflowsWork in Docker-based development environments and collaborate with DevOps/OS teamsContribute to sprint planning, estimation, technical discussions, and continuous improvementIdeal candidate profileBachelor’s degree in Computer Science, Engineering, Mathematics, Data Science or a related technical fieldMinimum 2 years of professional experience in software developmentStrong experience with Python and JavaScript/TypeScriptExperience with React or another modern frontend frameworkExperience with a Python web framework such as FastAPI, Django, or FlaskGood knowledge of HTML5 and CSS3Experience developing RESTful APIsExperience with relational or non-relational databases, such as PostgreSQL, Oracle, or MongoDBExperience with unit and integration testing, using tools such as pytest, Jest, Testing Library, or CypressExperience with Git and code review workflowsExperience with Docker and containerized development environmentsKnowledge of CI/CD and test automationExperience with Kubernetes or Helm is a plusUnderstanding of web application security practices, including XSS mitigation, CSP, and secure cookie handlingExperience participating in technical design discussions or mentoring other engineers is a plusExperience working in international and multicultural teamsFluent English with strong communication skillsConditionsWork model: hybrid in GdańskEmployment type: UoPSalary: to be discussed depending on experienceBenefits: medical care, life insurance, trainings, Multisport cardRecruitment stepsPhone call with RecruiterInterview with the client (may require 2 rounds)Feedback and decisionW 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.