WELCOME TO OLX
At OLX, we work together to build a more sustainable world through trade.
We make it safe, smart, and convenient to buy and sell cars, find housing, get jobs, buy and sell household goods, and more. Our colleagues around the world help to serve millions of people around the world every month, through its well-loved consumer brands including OLX, Otodom, Property24.
Join OLX and see how far you can go.
We are looking for a Senior Backend Engineer to join one of the OLX teams. Open to a Full Remote setup, you'll need to be currently residing in Portugal.
About the job
As an engineer on our team, you'll collaborate closely with colleagues, engineers, SREs, the product team, data analysts, and your engineering line manager.
Our systems are built with domain-driven design in mind using Golang or Kotlin, including PHP (as part of our journey to move out of legacy systems), and shipping high-quality code to AWS running environments through Gitlab CI pipelines.
You Will:Contribute technically to projects and participate in the planning, execution, and success of complex technical projects.Ensuring that software solutions are robust, secure, and meet user needs.Guide and mentor junior engineers, fostering a collaborative and productive work environment. This includes delegating tasks, providing feedback, and facilitating team communicationEncourage the team to innovate, invent, implement, and deploy complex software solutions.Act as a product-minded engineer by asking questions, brainstorming, owning the product we are building, and working closely with the product management team to ensure we build the best product for our users.Create impact outside of your team by helping drive the Engineering strategy and contribute to cross-team collaboration.You Have:Technical Expertise – Deep understanding of programming languages, frameworks, and software development best practices. Strong knowledge of data structures, algorithms, and software architecture principles.Cloud & Infrastructure – Experience working with relational and non-relational databases (e.g., MySQL, DynamoDB, Redis, Memcached) and a solid grasp of cloud architecture, ideally AWS. Familiarity with Infrastructure as Code tools like Terraform or CloudFormation.Adaptability – Comfortable adjusting to changing project requirements, technologies, and roles. Open to working with our target backend programming languages.Problem-Solving Mindset – Able to break down complex problems into manageable components and develop effective solutions through analytical thinking and creativity.Communication & Collaboration – Able to articulate complex technical concepts clearly to both technical and non-technical stakeholders. Experience writing clear documentation, reports, and technical specifications.Team Player – Strong collaboration skills, open to discussions, and comfortable working in a multi-functional, cross-hub environment.Ownership Mentality – Follows a “you build it, you run it, you own it” philosophy, taking full responsibility for the code from development to deployment.Quality-First Approach – Sees testing and code quality as first-class priorities, ensuring the right tests are created for the right purpose.Performance & Automation – Strong debugging and code optimization skills, with a focus on automating routine tasks to improve efficiency.Nice to have – Experience with Golang, Java/Kotlin, or PHP (a plus but not required). Familiarity with GraphQL, Docker, Kubernetes, GitLab, and CI/CD pipelines.Our Benefits:Being an OLX colleague brings many rewards, such as a competitive salary, a world-class training and development program, flexible working options, and many more location-based benefits which for this role include:Flexible benefits plan3 extra vacation daysHealth Insurance (extendable to family)Life InsuranceRemote or hybrid monthly allowance (incl. transportation supplement)Meal AllowanceUrban Sports subscription (pack M)English & Portuguese ClassesMarriage BonusNew baby bonusDiscount websiteWelcome packWhy join OLX?
At OLX, we invest in ourselves and each other to reach our full potential. We avoid bureaucracy and empower our teams to innovate; with opportunities, training, and leadership behaviors a key focus for all. Our commitment to inclusion ensures we listen to a diverse range of voices when making decisions. And, we combine the spirit and agility of a startup with our global scale and the backing of Prosus, one of the largest consumer internet groups in the world.
Diversity, Equity and Inclusion at OLX
At OLX, we are committed to creating a diverse, inclusive, and authentic workplace. We strongly encourage people of all races, ethnicities, disabilities, ages, gender identities or expressions, sexual orientations, religions, backgrounds, and experiences to apply.
If you are excited about this role, and your past experiences do not align perfectly with every criteria asked for in the job description, we would still like you to apply. You may be just the right candidate for this or other opportunities across the business, and we'd like to hear from you.
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