> Markdown version of [/jobs/ext/2948286-backend-engineer-genai](https://www.wearedevelopers.com/jobs/ext/2948286-backend-engineer-genai). 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). --- # Backend Engineer - Genai - **Company:** OLX Group - **Location:** Barcelona, Spain - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Amazon Web Services, Software Quality, Software Debugging, Python (Programming Language), Cloud Services, Software Engineering, Web Applications, Generative AI, Backend, Kotlin, Gitlab-ci, Golang - **Published:** September 16, 2026 - **Apply:** https://www.buscojobs.com.es/backend-engineer-genai-en-barcelona-ID-372146488 ## About the Role Experience in multi-functional teams Ownership mindset: build it, run it, own it with emphasis on code quality, debugging, optimization, and automation Experience in building AI/ML-enabled products collaboration problem-solving mentoring and coaching Python Kotlin or Golang AWS ## Description OverviewIn this role you help advance GenAI-powered solutions within OLX's Generative AI Innovation team.You'll contribute to planning, building, and deploying scalable cloud-native software, collaborating with cross-functional teams to ship impact-driven AI applications.You will mentor juniors, drive innovation, and help shape the engineering strategy while delivering secure, high-quality systems on AWS.Compensaciones / BeneficiosCompetitive salary + annual bonus up to 15%Health and Dental InsuranceRemote or hybrid monthly allowance (incl. transportation)Meal AllowanceGym MembershipEnglish and Spanish Classes','Tax Declaration AssistanceResponsabilidadesPlan, execute, monitor, and complete projects with quality and timelinessDevelop robust, secure, and scalable software solutions for AI projectsMentor and guide junior engineers to foster a collaborative environmentDrive innovation by shaping software development and collaborating with product managementDevelop and deploy cloud-native solutions using GitLab CI/CD to AWSContribute to cross-team collaboration through inter-team groups or guildsRequisitos principalesSignificant professional experience in software development with PythonExperience in large-scale web applications and designing well-bounded domain systemsExperience in architecting Cloud Native solutions; AWS considered a plusExperience in multi-functional teamsOwnership mindset: build it, run it, own it with emphasis on code quality, debugging, optimization, and automationExperience in building AI/ML-enabled productscollaborationproblem-solvingmentoring and coachingPythonKotlin or GolangAWS ## Related Videos - [Kotlin Multiplatform - True power of native code reuse](https://www.wearedevelopers.com/videos/4-kotlin-multiplatform-true-power-of-native-code-reuse) - [Go with the Flow: Stop the Leaks Before Your Memory's a Waterfall!](https://www.wearedevelopers.com/videos/100073-go-with-the-flow-stop-the-leaks-before-your-memory-s-a-waterfall) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [The Future of Developer Experience with GenAI: Driving Engineering Excellence](https://www.wearedevelopers.com/videos/1107-the-future-of-developer-experience-with-genai-driving-engineering-excellence) - [Why Kotlin is the better Java and how you can start using it](https://www.wearedevelopers.com/videos/661-why-kotlin-is-the-better-java-and-how-you-can-start-using-it) - [How E.On productionizes its AI model & Implementation of Secure Generative AI.](https://www.wearedevelopers.com/videos/623-how-e-on-productionizes-its-ai-model-implementation-of-secure-generative-ai) ## Related Articles - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [What is Agentic Programming and Why Should Developers Care?](https://www.wearedevelopers.com/magazine/625-what-is-agentic-programming-and-why-should-developers-care) - [Graph and AI Trends 2026: Why Is AI Running but Not Yet Delivering?](https://www.wearedevelopers.com/magazine/680-graph-and-ai-trends-2026-why-is-ai-running-but-not-yet-delivering) - [MLOps And AI Driven Development](https://www.wearedevelopers.com/magazine/82-mlops-and-ai-driven-development) - [Dev Digest 137 - AI'm not sure about this](https://www.wearedevelopers.com/magazine/485-dev-digest-137-ai-m-not-sure-about-this)