Senior Backend Engineer

Choco is on a mission to enable the global food system to become sustainable by optimizing the way food is sold, ordered, distributed, and financed. Our AI-focused software connects distributors with their customers to operate waste-free and efficiently.  A problem of this magnitude requires a massive scale and only the best people will be able to solve it. Are you in?

Here's what we're up to:

Senior Backend Engineer – Integrations TeamChoco is on a mission to enable the global food system to become sustainable by optimizing the way food is sold, ordered, distributed, and financed. Our AI-focused software connects distributors with their customers to operate waste-free and efficiently. A problem of this magnitude requires a massive scale and only the best people will be able to solve it. Are you in?Here's what we're up to: About the Role

The Integrations team is at the heart of this mission, powering seamless data exchange between Choco and wholesalers' ERP systems. We're looking for a Senior Backend Engineer who thrives on solving complex integration challenges, designing robust APIs, and architecting distributed systems at scale. You'll play a key role in shaping our Public API platform, developing integration adapters, and enabling data synchronization for thousands of businesses across Europe and the US.

What You'll Do

• Design, build, and scale backend systems and Public API endpoints that enable seamless data exchange between Choco and external ERP systems.

• Develop and maintain integration adapters to ensure reliable data conversion and synchronization of catalogs, orders, pricing, and inventory.

• Architect and optimize scalable solutions and automation to improve integration performance, reliability, and time-to-go-live.

• Collaborate cross-functionally with Solution Engineers and Product teams to troubleshoot integration challenges and deliver smooth customer go-lives.

• Monitor, test, and continuously improve system performance, observability, and developer experience through high-quality documentation and agile delivery.

What you bring

• 5+ years of experience as a backend engineer with strong expertise in TypeScript and

• Deep understanding of microservices architecture, event-driven systems, and API design principles.

• Proven track record building and maintaining RESTful or GraphQL APIs with a focus on scalability and backward compatibility.

• Hands-on experience with integration patterns, data synchronization, and operating software at scale.

• Strong problem-solving, documentation, and collaboration skills - you take ownership from design to deployment in agile environments.

Nice to Have

• Experience with NestJS or similar modern backend frameworks.

• Background working with ERP systems, integration platforms, or iPaaS solutions.

• Familiarity with n8n or other workflow automation tools.

• Understanding of e-commerce data models (catalogs, orders, inventory) and public API design.

• Hands-on experience with observability tools (e.g., Datadog, New Relic) and awareness of SOC2 compliance best practices.

• Contributions to open-source projects or developer communities.

Our Technology Stack

We operate a modern, high-performance environment built on:

Languages: TypeScript )

Frameworks: NestJS, internal libraries for AWS Lambda

Infrastructure: AWS (serverless), EKS (Kubernetes), AWS CDK, Helm

Data: PostgreSQL, DynamoDB

APIs: REST, GraphQL with OAuth 2.0 security

Workflows: n8n for automation and integration orchestration

Monitoring: Datadog for tracing, metrics, and alerting

Choco was founded in 2018 in Berlin. Now, we are a dedicated team of over 200 Chocorians across Europe and the US. We seek hungry and humble individuals who embrace hard work, put our team first, and are committed to building a lasting company. Our mission demands urgency and speed while maintaining a long-term vision.

In just five years, Choco has raised $328.5 million and achieved unicorn status in 2022, with a valuation of $1.2 billion. We're supported by some of the world's best investors like Bessemer Venture Partners, Insight Partners, Coatue Management, and LeftLane Capital.

Choco is an equal opportunity employer. We encourage people from all backgrounds to apply. We are committed to ensuring that our technology is available and accessible to everyone. All employment decisions are made without regard to race, color, national origin, ancestry, sex, gender, gender identity or expression, sexual orientation, age, genetic information, religion, disability, medical condition, pregnancy, marital status, family status, veteran status, or any other characteristic protected by law.

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