About the Team

You’ll join the Promo & Loyalty team, responsible for one of the most business-critical domains of our platform.

The team owns the systems behind:

• promotions and discounts

• loyalty programs and rewards

• subscriptions

• pricing and financial calculations

• checkout pricing logic

• integrations with multiple product teams

Because this domain powers multiple areas of the platform, the team works closely with eCommerce, Portal, POS, and other engineering teams.

This role is designed for someone who wants to take the next step in their career. You’ll join as a Senior Backend Engineer with a clearly defined path toward becoming the future Team Lead of the Promo & Loyalty team. As you build deep expertise in the domain, you’ll gradually take ownership of technical leadership with mentorship and support from your Chapter Lead.

What You’ll Do

• Design and develop backend services within our microservices ecosystem.

• Build new services for subscriptions and loyalty.

• Refactor and gradually extract business logic from the monolith into dedicated services.

• Design interfaces for exchanging financial data between engineering teams.

• Participate in architectural discussions and technical decision-making.

• Improve system performance, maintainability, and transparency.

• Review code and promote engineering best practices.

• Collaborate closely with engineers across multiple product teams.

• Gradually take ownership of leadership within the team.

What You’ll Be Working On

Some of the team’s current initiatives include:

• developing a customizable subscription platform

• building a new Loyalty service

• improving the architecture behind promotions and financial calculations

• extracting business logic from the monolith into dedicated services

• defining clearer service boundaries between engineering teams

• optimizing repositories and engineering workflows for AI-assisted development

Tech Stack

C#, .NET 8+, ASP.NET Core, Microservices, gRPC, MS SQL, PostgreSQL, RabbitMQ, Redis, SignalR, EF Core, Dapper, Docker, Kubernetes, AWS, Grafana, Git, GitLab CI/CD.

What We’re Looking For

• 4+ years of backend development experience.

• Strong commercial experience with C# and .NET.

• Experience building and maintaining production systems.

• Experience working with large codebases.

• Experience with microservices and/or modular monoliths.

• Strong understanding of software architecture and backend design.

• Strong algorithmic thinking and problem-solving skills.

• Experience refactoring and evolving existing systems.

• Experience making technical decisions and taking ownership of solutions.

• Fast learner with the ability to quickly understand complex business domains.

• Strong communication skills and a collaborative mindset.

• English level sufficient for written communication and occasional calls with international teammates.

• Experience using AI tools in software development workflows.

Nice to Have

• Experience with fintech, payments, billing, or other financial systems.

• Experience decomposing monolithic applications.

• Experience mentoring engineers or leading technical initiatives.

• Kubernetes and CI/CD experience.

Working Style

• Fully remote.

• Flexible schedule.

• Core collaboration hours are 10:00–16:00 CET, when the team overlaps for meetings, discussions, and collaboration.

• Outside of these hours, engineers have flexibility to organize their own working schedule.

• Two-week planning cycles with a Kanban-oriented workflow.

• Regular technical discussions, retrospectives, and planning sessions.

What We Offer

• Compensation in USD.

• B2B contract with a US company.

• 100% remote work.

• Flexible working hours.

• 20 paid vacation days.

• 12 company holidays.

• 3 sick leave days.

• Medical insurance after probation.

• Equipment reimbursement.