Junior AI Fullstack Engineer (Python/Java + React) w Warszawa, Polska

Expected, Microsoft Azure, Python, Java, https://jobeax.com/link/6WcBICn0LM558SP0, FastAPI

Optional, PostgreSQL, Microsoft SQL Server, Apache Spark, Azure DevOps, Apache Airflow, GitHub Actions

About the project, Why Join Us, At Cloudfide, we engineer solutions where data truly becomes an accelerator for innovation. We build and evolve large-scale Big Data and cloud-native platforms for global clients, including leaders in retail and the Fortune 500. We process massive, complex datasets, operate fully in the cloud ecosystem, and work with the latest technologies, including AI, ML, MLOps, and modern data architectures., , Our projects have measurable, real-world impact, from enhancing customer experiences at scale to empowering data-driven decision-making in high-visibility global organizations. As we continue to grow, you’ll have the opportunity to learn from experienced engineers, expand your skills, and take ownership of increasingly challenging initiatives., , Opportunity Overview, As a Junior Fullstack Engineer, you will help build a reusable scoring and recommendations platform on GCP used across several client products. You’ll work on both embeddable frontend widgets and cloud-native backend services, under the guidance of a senior developer., , Expect a hands-on role where you’ll grow quickly across the full stack and modern cloud. You’ll join a team of passionate engineers who value technical excellence, collaboration, and continuous growth.

Team size, 4-7

This is how we work, in house, at the client's site, you focus on a single project at a time, you develop several projects simultaneously, you can change the project, you have influence on the technological solutions applied, you have influence on the product, you develop the code "from scratch", you focus on product development, agile, scrum

Your responsibilities, Building reusable, embeddable UI widgets in React based on an existing Design System and provided designs., Developing cloud-native backend services in Python or Java on GCP., Contributing to replatforming an existing backend into a modern, multi-consumer cloud service., Designing and integrating APIs between frontend components and backend services., Writing clean, tested, and well-documented code and participating in code reviews., Communicating progress, questions, and technical decisions clearly with the team and the client., Growing your skills through close collaboration with and mentoring from a senior developer.

Initial commercial experience as a fullstack or software developer - must-have., Knowledge of React and modern frontend development, including building reusable components., Knowledge of Python or Java for backend development., Familiarity with GCP or another cloud platform (Azure, AWS)., Understanding of REST APIs and basic software engineering principles., Self-reliance: the ability to work independently on assigned tasks and look for solutions on your own., Good communication skills and fluent English, enabling effective collaboration with the team and the client., Eagerness to learn, curiosity, and a proactive approach to problem-solving.

Optional, Interest in or experience with agentic AI, AI agents, or LLM-based solutions., Experience working with Design Systems or component libraries., Familiarity with TypeScript., Basic knowledge of Docker, Git workflows, and CI/CD pipelines., Experience with testing frameworks (e.g. Jest, Vitest, pytest, JUnit).

What we offer, MyBenefit platform / Multisport, Enel-Med private medical care, Annual 2,000 PLN development budget, Access to e-learning platforms, Mentoring from experienced engineers and a clear path to grow your skills, Real opportunities to expand responsibility and lead initiatives; most of our Leads come from internal promotions, Long-term cooperation: UZ or B2B (we value stable, lasting relationships), Remote-first, work from anywhere in the world (workation), Flexible hours & strong focus on work-life balance, Collaboration with top engineers you can truly learn from, Flat structure: every voice counts, and you help shape the company, Company-wide trips (including international ones), Team integration budgets, Open communication and supportive, passionate teams

This is how we work on a project, Clean Code, code quality measures, code review, design patterns, static code analysis, architect / technical leader support, Continuous Deployment, Continuous Integration, DevOps, SysOps, team-level deployment, documentation

Benefits, private medical care, sharing the costs of professional training & courses, remote work opportunities, flexible working time, integration events

Recruitment stages, Task, Screening, Tech Interview, HR Interview

EQUAL OPPORTUNITY, CLOUDFIDE is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

CLOUDFIDE SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ, At CLOUDFIDE, we do everything with data and contribute to pivotal projects for Fortune 500 companies. This is your chance to enhance your skills and leave your global footprint., , Our collaborative culture champions your professional growth. Dive into cloud data processing, gain hands-on big data experience, and leverage our team's expertise to drive your professional growth., , Here you'll have an opportunity to use advanced technologies to shape client strategies. With CLOUDFIDE, you can amplify your career alongside the industry's best.