Principal Software Engineer - Merchant Experience

Operating system

This role is located within Allegro’s department responsible for creating the best tools and platform for our sellers to maximize their sales at the marketplace. The main areas you will be associated with are: market monitoring, business intelligence, commercial campaigns and automated pricing solutions (that we call Competitive Pricing), and it’s the Competitive Pricing area that will be your main focus. Although an individual contributor, you will actually be a part of the management team running the whole department and work mostly with senior managers and engineering managers. You will also have direct exposure to our CTO and their team.

• Support key technological decisions for the Merchant Experience area, co-determining the direction of its development.
• Drive the adoption of AI and ML modeling for dynamic pricing solutions.
• Autonomously initiate company-wide technological initiatives and take active part in cross-domain projects.
• Spot and exploit synergies between technical solutions used by teams inside the Merchant Experience and within other areas.
• Mentor engineering teams, support and develop technical talents, foster a high-performance engineering culture and knowledge sharing.
• Be an advocate for the best development practices such as clean code, automation, reusability, modularity, design patterns and TDD.
• Raise technological standards across both the Merchant Experience area and the entire Allegro platform.

This is how we work

• development budget
• industry-specific e-learning platforms
• intracompany training

• Working with top-class specialists and experts in their areas and teams you can always count on
• Working with cutting edge technology and one of the largest and most sophisticated e-commerce platforms in Europe
• A high degree of autonomy in terms of organizing your work; we encourage you to develop continuously and try out new things
• Top spec MacBook Pro or a corresponding Windows machine and other gadgets that you may need
• Well-located, modern offices (incl. bicycle parking facilities) and excellent working tools (height-adjustable desks, interactive conference rooms)
• A wide selection of fringe benefits in a cafeteria plan – you choose what you like (e.g. medical, sports or lunch packages, insurance, purchase vouchers)
• Hackathons, team tourism, training budget and an internal educational platform with wide selection of courses and workshops
• English classes paid by us

• sharing the costs of sports activities
• private medical care
• sharing the costs of foreign language classes
• sharing the costs of professional training & courses
• life insurance
• flexible working time
• integration events
• no dress code
• leisure zone
• extra social benefits

• We use, among others, Java 17, Kotlin, Coroutines, Scala, Spring, Reactive Programming, Spark, Dataproc, Microservices architecture supporting high request rates on our business data bus. Utilizing extensive Big Data resources on GCP and incorporating Machine Learning into our operational workflows.
• The IT team is made up of over 2000 members who have shared their knowledge at multiple conferences, such as DevDays or Devoxx, and co-create a blog: allegro.tech
• Microservices – a few thousand microservices and 1.8m+ rps on our business data bus
• Big Data – several petabytes of data and Machine Learning used in production
• We practice Code Review, Continuous Integration, Scrum/Kanban, Domain Driven Design, Test Driven Development, Pair Programming, depending on the team
• Our internal ecosystem is based on self-service and widely used tools, such as Kubernetes, Docker, Consul, GitHub or GitHub Actions. This will allow you, from day one, to develop software using any language, architecture and scale, restricted only by your creativity and imagination.
• To match the scale, we also focus on building entire Platforms of tools and technologies that accelerate and facilitate day-to-day development, and we ensure the best Developer Experience to our teams
• Technological autonomy: you get to choose which technology solves the problem at hand (no need for management’s consent). You are responsible for what you create
• Our deployment environment combines private Data Centers (tens of thousands of servers) and Public Clouds (Google Cloud and Microsoft Azure)
• Over 100 original open source projects and a few thousand stars on github
• We organize Allegro Tech Live event, a 100% remote version of our offline Allegro Tech Talks meetups, and we make guest appearances at the invitation of such communities as Warsaw AI, JUG (Poznań, Łódź, Lublin, Wrocław), WG .Net, Dare IT, Women in Tech Summit