Smadex is a cutting‑edge ad‑tech company that handles more than 4.5 million ad requests per second with a response time under 100 ms. We process several terabytes of data daily to make our real‑time components smarter. This time we're looking for a passionate Junior Software Engineer to join us and help keep our platform in motion. This is a full‑time position (40 hours per week) with a hybrid working model based in Barcelona. Responsibilities In this role, you will get hands‑on experience by: Building a cloud‑based platform using modern technologies. Collaborating with highly‑skilled peers in a fast‑paced environment. Contributing to technical and architectural decisions. Participating in code reviews. Qualifications You're an engineering or master's degree student. You're available to start immediately and work full‑time (40 hours per week). You are self‑motivated, eager to learn, and have excellent communication skills in English. Bonus points: Basic Linux skills and comfort working with a terminal. Experience with Java or Node.Js. Don't worry, you'll learn everything else you need! Please note: We do NOT provide VISA sponsorship. Candidates without a legal permit to work in Spain will not be considered. Our Tech Stack Languages: Java, NodeJS, Bash, Python Databases: MySQL Cloud & DevOps: AWS, Jenkins, Docker, Kubernetes Tools: Git, Jira, Notion What We Offer Join a highly motivated and talented team in a fun and friendly work environment Great compensation package Top location at the heart of Barcelona with a rooftop terrace, Barbeque, and a fully stocked fridge Great work‑life balance: work from home (2 days per week) and flexible hours Professional development with a LinkedIn Learning subscription and other training opportunities Meal vouchers – Ticket Restaurant monthly allowance Private Health Insurance Monthly gym allowance to use in up to 30 DIR gyms around the city Monthly TGIF events and regular team‑building activities Ping‑pong table and arcade machine And more! #J-18808-Ljbffr