> Markdown version of [/jobs/ext/1605273-junior-software-engineer](https://www.wearedevelopers.com/jobs/ext/1605273-junior-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Junior Software Engineer - **Company:** Smadex SLU - **Location:** Laza, Spain (Remote available) - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Amazon Web Services, JIRA, Bash Shell, Code Review, Linux, DevOps, Python (Programming Language), Node.Js, Working Model 2D, Git, Kubernetes, Docker, Jenkins - **Published:** July 31, 2026 - **Apply:** https://www.buscojobs.com.es/junior-software-engineer-en-laza-ID-365016844 ## About the Role 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 ## Description Smadexis a cutting-edge ad-tech company that handles more than 4.5 million ad requests per second with a response time under 100ms. We process several terabytes of data daily to make our real-time components smarter. This time we're looking for a passionateJuniorSoftware Engineerto join us and help us keep our platform in motion.This is a full-time position (40 hours per week) with a hybrid working model in Barcelona.What You Will DoIn 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.What We Are Looking ForYou'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 StackLanguages: Java, NodeJS, Bash, PythonDatabases: MySQLCloud & DevOps: AWS, Jenkins, Docker, KubernetesTools: Git, Jira, NotionWhat We OfferJoin a highly motivated and talented team in a fun and friendly work environmentGreat compensation packageTop location at the heart of Barcelona with a rooftop terrace, Barbeque, and a fully stocked fridgeGreat work-life balance: work from home (2 days per week) and flexible hoursProfessional development with a LinkedIn Learning subscription and other training opportunitiesMeal vouchers - Ticket Restaurant monthly allowancePrivate Health InsuranceMonthly gym allowance: Choose between DIR or WellhubMonthly TGIF events and regular team-building activitiesPing-pong table and arcade machineAnd more!If you want to know more about us visit our websiteSmadex.com, and for a sneak peek of the cool stuff we build check thisvideoout! ## Related Videos - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Your next 10x engineer isn't in your city. Refactor accordingly.](https://www.wearedevelopers.com/videos/100103-your-next-10x-engineer-isn-t-in-your-city-refactor-accordingly) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Spanish Business Culture and Etiquette](https://www.wearedevelopers.com/magazine/353-spanish-business-culture-and-etiquette) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline)