Senior Backend Product Engineer - Go and/or JVM (all genders)
HelloFresh2 months ago
Warsaw, PolandSenior
Responsibilities
- Own the architecture, design, development, deployment, and operation of backend microservices under a full DevOps model.
- Lead backend-heavy product problems and build reliable services and distributed systems at scale.
- Develop event-driven and asynchronous systems using messaging technologies and expose data through REST and gRPC interfaces.
- Work with Docker, Kubernetes, and automated deployment pipelines.
- Create and execute testing coverage from unit tests through end-to-end tests.
- Operate production systems by instrumenting, monitoring, and continuously improving them.
- Collaborate with product leads, frontend engineers, designers, and data teams in cross-functional 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 delivery.
- Form product opinions, validate customer problems with data and user evidence, and own delivery through completion.
Requirements
- Strong fluency in Go or a JVM language such as Java or Kotlin, with willingness to expand into Go.
- Hands-on production experience building, deploying, and operating critical backend services and distributed systems.
- Experience with event-driven and asynchronous flows, service contracts, partial-failure design, messaging queues, containerization, and deployment infrastructure.
- Strong software engineering judgment and practical experience with design approaches such as TDD, BDD, or DDD.
- Hands-on daily experience with AI tooling such as Claude Code, Cursor, or Copilot beyond casual experimentation.
- Ability to operate systems including their observability and data layers.
- Excellent communication skills for working in an international, multidisciplinary technical environment.
- Strong ownership, delivery focus, product sense, and ability to support technical trade-off decisions.
Benefits
- International collaboration with experienced engineers and product partners and an active knowledge-sharing culture.
- Opportunity to build technology supporting millions of customers and global supply-chain operations.
- Ability to influence technical, product, and design leadership, architecture, quality, and ways of working.
- End-to-end ownership from problem definition through production delivery and long-term scalability.
- Access to the Warsaw Centre Point 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.