Senior Backend Engineer (Remote - Poland)

What you will be doing

• Collaborate closely with Product, Design, Frontend, Infrastructure, and Mobile engineers to take features from discovery to rollout and beyond.
• Be responsible for features from discovery to observability: technical design, implementation, testing, and rollout.
• Design, build, and maintain efficient, scalable, and reliable Ruby/Elixir code.
• Work with a polyglot stack (Ruby, Elixir, GraphQL, TypeScript, gRPC) and modern messaging systems (Kafka).
• Operate within a Kubernetes-driven environment as we continue moving to a microservice architecture.
• Embrace Domain-Driven Design to build high-quality, impactful products from inception to delivery.

What we are looking for

• AI-Augmented Workflow: You have deep experience building and interacting with AI agents, using them to amplify your output to 5x that of manual coding. You are able to integrate agents into our workflow while strictly adhering to our architecture and security standards, taking full accountability for ensuring all generated code meets the quality expectations of a Senior Engineer.
• Experience building and maintaining globally distributed systems.
• Knowledge of event-driven architectures (Kafka).
• ~2+ years of experience in product engineering, developer tools, or infrastructure at scale.
• A pragmatic generalist who thrives on learning new frameworks and tackling complex challenges.
• Familiarity with languages such as Elixir, Ruby, or TypeScript is a plus.