Senior Backend Software Engineer - Remote (Poland)

We are looking for a Senior Backend Engineer to join one of our cross‑functional teams in Motors, Real Estate, OLX Classifieds, or Platforms, working remotely from Poland. As part of a 1,000+ tech team you will collaborate with engineers, SREs, and product teams to build scalable, high‑impact solutions and report to an Engineering Manager.

Who We Are Looking For

• A product‑mindful engineer who thinks from a user perspective, understanding both the how and why behind technical solutions.
• Someone with deep knowledge of programming languages, frameworks, and best practices, with strong mastery of data structures, algorithms, and software architecture to build and scale cloud‑based systems.
• A backend engineer with strong background experience in Golang, Java/Kotlin, or PHP (preferred technologies) and a flexible ability to adapt to changing project requirements and backend technologies.
• A problem solver who can break down complex challenges into manageable solutions using both analytical thinking and creativity.
• An effective communicator who can explain technical concepts to both technical and non‑technical stakeholders while documenting technical specifications and processes clearly.
• A developer who believes in you build it, you run it, you own it, ensuring high‑quality code, debugging, optimisation, and automation as key priorities.
• Someone with solid experience with relational and non‑relational databases (MySQL, DynamoDB, Redis, Memcached) and a strong understanding of AWS cloud architecture and Infrastructure as Code tools (Terraform, CloudFormation).
• A professional with experience in large‑scale web applications, an economic‑thinking mindset, and the ability to design well‑bounded domain systems.

What You Will Be Doing

• Leading the 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 communication.
• Driving innovation by encouraging new ideas, shaping software development, and collaborating closely with product management to create user‑centric solutions.
• Developing 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.

Our Hiring Process

• Recruiter Interview
• People Manager Interview
• Live Coding
• System Design

Our Benefits

• Monthly salary and an annual bonus (15%)
• Training and conference budget, and free access to Udemy courses
• A benefits package with 300 points on the Mybenefit platform per month, private medical care provided by Luxmed, Ask Henry services, and much more
• IP rights’ costs – 80%
• 100% remote work (as well as the possibility of working from our offices in Poznan and Warsaw)

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!