Backend Engineer - Genai

Olx
Huelva, Spain
1 day ago
Apply on www.buscojobs.com.es
Prepare application

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
Spanish

Tech stack

Clean Code Principles Java (Programming Language) Application Programming Interfaces (APIs) Artificial Intelligence Amazon Web Services Software Debugging Python (Programming Language) Cloud Services Application Data Software Engineering Web Applications Cloud Platform System
+9 more
Spring Cloud Generative AI Backend Kotlin Gitlab-ci Kubernetes Machine Learning Operations Golang Microservices

Job description

WELCOME TO OLXWe’re building marketplace sustainable ecosystems that millions of people depend on every month - to buy and sell cars, find homes, land jobs, and trade secondhand goods. It’s commerce that matters: safe, smart, and environmentally responsible.We do this with courage to innovate, commitment to outcomes, collaboration across 50+ nationalities and 7 markets, and a customer-led approach that puts real people first. Add a desire to win - and you get a culture that’s ambitious, fast-moving, and built on trust.Our brands - including AutoTrader, OLX, Otomoto Property24, and more - are loved by millions. And we’re backed by Prosus, one of the world’s largest tech investors.JOIN OLX GENAI PLATFORM ENGINEERING TEAMNote: This role is based in Spain.We are looking for a mid-level Backend Engineer for our GenAI Platform team.As part of the GenAI Platform team, you will help build the core capabilities that enable teams across the company to develop, integrate and scale products powered by Generative AI. We utilize Python to develop scalable, cloud-native applications within a microservices architecture. Our services run on Kubernetes in AWS, with automated build and deployment pipelines managed through GitLab CI/CD.If you’re passionate about solving technical challenges and scaling cloud systems, we would love to hear from you!What we are looking for:Significant professional experience in software development with Python (preferred), Java/Kotlin or Golang.Experience building and scaling large-scale web applications, with an economic mindset and the ability to design well-bounded, maintainable domain systems.Strong experience architecting and building Cloud Native solutions (experience with AWS is a plus!).Exposure to and strong interest in AI/ML systems or GenAI tools/APIs.Eagerness to understand how things work and embrace a "you build it, you run it, you own it" mindset.Focus on high-quality code, debugging, optimization and automation as key priorities.A team player who is open to discussions, cross-team collaboration and knowledge sharing.A problem solver who approaches challenges with both a technical and user-first mindset to build impactful solutions.What you will be doing:Taking part in planning, execution, monitoring, and completion of projects, ensuring timely delivery and adherence to quality standards.Contributing to complex technical projects, ensuring robust, secure, and scalable software solutions.Mentoring and guiding junior engineers, fostering a collaborative and productive work environment. This includes delegating tasks, providing feedback, and facilitating team communicationDriving innovation by encouraging new ideas, shaping software development, and collaborating closely with product management to create user-centric solutionsDeveloping and deploying cloud-native solutions using GitLab CI/CD to AWS, contributing to broader engineering strategy and cross-team collaboration.Creating impact outside of your team by helping drive the Engineering strategy and contributing to cross-team collaboration through inter-team working groups or community guilds, among others.Our hiring process:Recruiter InterviewEngineering Manager InterviewSystem Design InterviewLive Coding InterviewWhat we’ll give you:Competitive salary + annual bonus up to 15%Health and Dental Insurance (extendable to family)Remote or hybrid monthly allowance (incl. transportation supplement)Meal AllowanceGym MembershipEnglish and Spanish ClassesTax Declaration AssistanceDiversity, Equity and Inclusion at OLXOLX values diversity and welcomes applicants of all races, ethnicities, disabilities, ages, genders, sexual orientations, religions, backgrounds, and experiences to apply. If this role excites you, we encourage you to apply, even if you don’t meet all the requirements - you may be just the right fit for this or other opportunities with us!OLX will process your personal data to assess your fit for the applied position. You may optionally consent to store your data for up to 12 months after the application process for consideration in future OLX roles. For more details on how your application data will be processed please check our Privacy Statement.#J-*****-Ljbffr

Requirements

As part of the GenAI Platform team, you will help build the core capabilities that enable teams across the company to develop, integrate and scale products powered by Generative AI. We utilize Python to develop scalable, cloud-native applications within a microservices architecture. Our services run on Kubernetes in AWS, with automated build and deployment pipelines managed through GitLab CI/CD. If you’re passionate about solving technical challenges and scaling cloud systems, we would love to hear from you! What we are looking for: Significant professional experience in software development with Python (preferred), Java/Kotlin or Golang. Experience building and scaling large-scale web applications, with an economic mindset and the ability to design well-bounded, maintainable domain systems. Strong experience architecting and building Cloud Native solutions (experience with AWS is a plus!). Exposure to and strong interest in AI/ML systems or GenAI tools/APIs. Eagerness to understand how things work and embrace a "you build it, you run it, you own it" mindset. Focus on high-quality code, debugging, optimization and automation as key priorities. A team player who is open to discussions, cross-team collaboration and knowledge sharing. A problem solver who approaches challenges with both a technical and user-first mindset to build impactful solutions.

Benefits & conditions

System Design Interview Live Coding Interview What we’ll give you: Competitive salary + annual bonus up to 15% Health and Dental Insurance (extendable to family) Remote or hybrid monthly allowance (incl. transportation supplement) Meal Allowance Gym Membership English and Spanish Classes Tax Declaration Assistance Diversity, Equity and Inclusion at OLX OLX values diversity and welcomes applicants of all races, ethnicities, disabilities, ages, genders, sexual orientations, religions, backgrounds, and experiences to apply. If this role excites you, we encourage you to apply, even if you don’t meet all the requirements - you may be just the right fit for this or other opportunities with us! OLX will process your personal data to assess your fit for the applied position. You may optionally consent to store your data for up to 12 months after the application process for consideration in future OLX roles. For more details on how your application data will be processed please check our Privacy Statement. #J-*****-Ljbffr

About the company

WELCOME TO OLX We’re building marketplace sustainable ecosystems that millions of people depend on every month - to buy and sell cars, find homes, land jobs, and trade secondhand goods. It’s commerce that matters: safe, smart, and environmentally responsible. We do this with courage to innovate, commitment to outcomes, collaboration across 50+ nationalities and 7 markets, and a customer-led approach that puts real people first. Add a desire to win - and you get a culture that’s ambitious, fast-moving, and built on trust. Our brands - including AutoTrader, OLX, Otomoto Property24, and more - are loved by millions. And we’re backed by Prosus, one of the world’s largest tech investors.

Apply for this position

This job is hosted externally. Click below to view the full posting and apply.

Apply on www.buscojobs.com.es
Prepare application

Good distractions

Talks and stories from around this role — technically off-topic, practically not.

1:08 min

Building solutions with open source GoLang infrastructure tools

Jad Wahab · LIVE

3:09 min

Understanding Kotlin Multiplatform and its compiler targets

Petar Marijanović · LIVE

1:52 min

Structuring and scaling the backend engineering team

Stefan Lingler Stefan Lingler +1 · Coffee With Developers

2:08 min

Essential engineering roles in the generative AI space

Mary Grygleski Mary Grygleski · LIVE

6:16 min

Event-driven Golang backend architecture and cloud deployment

Irina Branovic Irina Branovic · World Congress 2026 Europe

52 sec

Transitioning from software consulting to AI building

Malte Lensch Malte Lensch · World Congress 2026 Europe

Videos

See all

Related articles

See all