Staff Backend Engineer

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. Join OLX and see how far you can go. We are looking for a Staff Backend Engineer! Join our GenAI Engineering team working remotely from Spain. Are you someone who is craving scalable problems and dealing with optimizations? You will work with a creative, critical and a well-organized team from the comfort of your house, but as close as we have ever been! You will play a key role in enabling our organisation to scale efficiently., * Aligning Engineering with High-Value Problems. Work closely with product and engineering leadership to propose initiatives and drive impactful technical changes.

• Collaborating across teams, guiding senior developers in managing and reducing technical debt.
• Building and scaling Global Platforms. Develop and maintain products with billions of page views per month, ensuring scalability and performance.
• Solving Complex Technical Challenges. Work with engineers across European offices to deliver solutions that impact millions of users.
• Owning and Improving Development Processes. Participate in product design, write and review code, and advocate for quality, security, and performance with a DevOps mindset
• Collaborating and learning with the OLX Engineering community.

Do you have experience in Scalability?, * Big picture thinking. Able to align technical decisions with the organizational strategy and take ownership of technical direction while influencing without direct authority.

• Critical Thinker and Self-Starter. Identify what needs to be done to achieve unit goals and take initiative.
• Effective Communicator. Explain complex technical concepts in English to diverse teams and influence decisions for greater impact.
• Scalable Systems Expertise. Experience with large-scale web applications, an economic-thinking mindset and being able to design well-bounded future-proof domain systems, aligned with the business objectives.
• You have strong Coding and Computer Science Fundamentals. On average, you will be expected to develop new ideas and review others' work for of the time.
• Strong background experience in Golang, Java/Kotlin, or PHP (preferred technologies). Flexible and capable of adjusting to changing projects.
• Skilled Technical Leader and Mentor: Guide and support engineers by setting a strong example. As a Staff Engineer, you are a role model, leading through your actions and expertise.
• Deep Technical Expertise. Skilled in CI/CD, RESTful APIs, AWS, databases, and one or more of the following: high-performance scalable systems, monolith-to-microservices migration, or taxonomies.

• Salary + annual bonus up to 20% of your annual gross salary
• Work with and impact all OLX services in Europe
• Train and conference budget and free access to Udemy courses
• Health insurance and life insurance
• MacBook Pro along with the necessary accessories to make your work comfortable
• 100% remote work (and the possibility to work from our offices in Barcelona)