> Markdown version of [/jobs/ext/1938190-junior-backend-engineer](https://www.wearedevelopers.com/jobs/ext/1938190-junior-backend-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 Backend Engineer - **Company:** Smadex SLU - **Location:** Laza, Spain (Remote available) - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Code Review, Linux, Node.Js, Software Engineering, Backend, Programming Languages - **Published:** August 5, 2026 - **Apply:** https://www.buscojobs.com.es/junior-backend-engineer-en-laza-ID-365600800 ## About the Role willing to learn and gain hands-on experience working hand to hand with our top-notch tech team. Engineering student or Master's degree student. Available to start immediately and work a full-time schedule. (40hs per week) Self-motivated and eager to learn tons of new knowledge every day. With excellent communication skills in English (in both written and spoken). Bonus points: Basic Linux skills. Be comfortable working with a terminal. Experience in Java and Node.js is a plus. You will learn everything else! ## Description Smadexis a cutting-edge ad-tech company: we process more than 4,5 million ad requests per second, replying under 100ms. Every day we generate several TBs of data that need to be processed, analyzed and aggregated, so our real-time components get smarter every day. We need you to help us keep our platform in motion!If you are ready to start your professional career in the tech world, this is your opportunity.WHAT ARE WE LOOKING FOR?A JuniorBackend Engineerwilling to learn and gain hands-on experience working hand to hand with our top-notch techteam.Engineering student or Master's degree student.Available to start immediately and work a full-time schedule. (40hs per week)Self-motivated and eager to learn tons of new knowledge every day.With excellent communication skills in English (in both written and spoken).Bonus points:Basic Linux skills. Be comfortable working with a terminal.Experience in Java and Node.js is a plus. You will learn everything else!-What will you do at Smadex?Gain hands-on experience with various tools and programming languages in the field of software development.Help building a cloud-based platform using modern technologies, collaborating and learning from other highly-skilled peers.Participate in code reviews, contribute to technical and architectural decisions, collaborate in a fast-paced environment where every opinion counts!Please note that we do NOT provide VISA sponsorship. Candidates without a legal permit to work in Spain won't be considered.If you become a member of our team, you will get the chance to:Integrate a highly motivated and young teamGreat 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), flexible hoursLinkedIn LearningLearning and training opportunitiesMeal vouchers - Ticket Restaurant monthly allowanceMonthly gym allowance to use in up to 30 DIR gyms around the cityMonthly TGIF eventsRegular team-building eventsFun and friendly work environment with talented marketers and engineers from over 28 countriesAnd 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 - [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Stop using Node.js like in 2020! What changed and what you can do today with Node.js](https://www.wearedevelopers.com/videos/100011-stop-using-node-js-like-in-2020-what-changed-and-what-you-can-do-today-with-node-js) - [Nest.js - TypeScript in the backend can also be clean](https://www.wearedevelopers.com/videos/1033-nest-js-typescript-in-the-backend-can-also-be-clean) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-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) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [What’s the Difference Between Frontend and Backend Development?](https://www.wearedevelopers.com/magazine/240-what-s-the-difference-between-frontend-and-backend-development)