Staff Backend Engineer
Barcelona, Spain
OLX – Engineering /
Full-time /
Remote
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.
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.
Who we are looking for:
- 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 ⅔ 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.
What you will be doing:
- 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.
Our hiring process:
- Recruiter Interview
- Head of Engineering Interview
- Live Coding Interview
- System Design Interview
Our benefits:
- Permanent contract
- 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)
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.
Grupa OLX sp. z o.o. has implemented an internal procedure for reporting violations of the law. You have the right to report a violation of the law via website or by phone using any of the phone numbers listed on this site. The verification of reports and the undertaking of follow-up actions are handled by authorized members of the ethics and compliance team. All reports will be treated with the utmost care, confidentiality and in accordance with applicable law.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
