Senior Backend Product Engineer - Python and/or Go (all genders)
HelloFresh2 months ago
Warsaw, PolandSenior
Responsibilities
- Lead the technical solution for backend-heavy product problems and own delivery from problem definition through production operation.
- Design and operate highly available, event-driven distributed systems using messaging technologies such as Kafka, RabbitMQ, and AWS SQS/SNS.
- Build clean REST and gRPC interfaces and work with Docker, Kubernetes, and automated deployment pipelines.
- Maintain robust testing from unit tests through end-to-end coverage.
- Instrument, monitor, and improve production systems under a full DevOps model.
- Collaborate with product leads, frontend engineers, designers, and data teams in cross-functional agile squads.
- Provide technical guidance and participate in code and architecture reviews.
- Use AI tools and workflows such as Claude, Cursor, and Copilot to improve engineering productivity.
Requirements
- Strong fluency in Python or Go and hands-on production experience building distributed, event-driven systems.
- Solid experience building, deploying, and operating critical backend services in production.
- Practical experience with asynchronous flows, service contracts, partial-failure design, observability, messaging queues, containerization, and deployment infrastructure.
- Hands-on experience with AI tooling such as Claude Code, Cursor, or Copilot beyond casual experimentation, including daily use of AI agents.
- Strong software engineering judgment and practical application of TDD, BDD, or DDD.
- Ability to make technical trade-offs, communicate effectively in an international multidisciplinary environment, and provide technical guidance.
- Strong ownership, delivery focus, product sense, and ability to support product decisions with data and user evidence.
- Willingness to expand technical knowledge into Go if it is not the primary stack.
Benefits
- Global collaboration with experienced engineers and product partners across international HelloTech teams.
- Opportunity to build and operate systems serving millions of customers and supporting complex supply chain operations.
- Ability to influence architecture, design, quality, and engineering practices in an autonomous product-led environment.
- End-to-end ownership from problem definition through production delivery and long-term scalability.
- Access to the Warsaw centre workspace, including showers, breakout zones, outdoor space, cycle parking, coffee, soft drinks, and fruit.
Tech Stack
Categories
BackendProduct Engineering
About HelloFresh
HelloFresh builds subscription meal kits for households, delivering pre-portioned ingredients and recipes to cook at home. The company sells direct-to-consumer across North America, Europe, and Australia under multiple brands, with revenue from recurring subscriptions and add-ons like market items. Founded in 2011 and headquartered in Berlin, HelloFresh is a public company listed in Germany (ETR) and operates its own fulfillment and last-mile logistics.