Job Overview
Location
Berlin
Job Type
Full-time
Category
Software Engineering
Date Posted
May 22, 2026
Full Job Description
đź“‹ Description
- • Design and build ingestion pipelines that pull data from third-party PMS systems into Nelly's core data model.
- • Own backend services in TypeScript/Node.js on AWS, ensuring they are event-driven, idempotent, and observable.
- • Evolve the canonical data model that every product team at Nelly relies on for feature development and AI tooling.
- • Build and maintain MCP servers and AI tooling that expose Core Data to internal agents and LLM-powered workflows, shaping how AI is deployed across the company.
- • Partner with product teams to triage and resolve data ingestion issues based on business impact and priority.
- • Work within a data-centric team that serves as the central data platform (MCP) for the entire organization, providing clean, reliable data to product and AI teams.
- • Contribute to the development of scalable, production-grade backend systems handling healthcare and fintech data at scale.
- • Collaborate across engineering and product functions to ensure data integrity, schema evolution, and system reliability across multiple integrations.
- • Implement robust data pipelines with attention to queues, retries, idempotency, and schema evolution for third-party system integrations.
- • Operate in a hybrid work environment with a physical office located in the heart of Berlin.
- • Utilize top-of-the-line working equipment to support high-performance development and system monitoring.
- • Engage in a culture that values kindness, curiosity, and hard work, with no egos or drama.
- • Participate in a flexible work model that includes up to four weeks of workation anywhere in the world.
- • Work in a dog-friendly office environment where good vibes are mandatory.
- • Access to a fully stocked fridge with cold drinks and snacks available at all times.
- • Receive a BVG ticket or Swapfiets membership for commuting around Berlin.
- • Benefit from an Urban Sports membership to access fitness, stretching, or sauna facilities.
🎯 Requirements
- • 8+ years of backend-leaning experience with strong proficiency in TypeScript/Node.js.
- • Deep experience designing and maintaining data pipelines, ETL/ELT processes, and third-party integrations with focus on queues, retries, idempotency, and schema evolution.
- • Proven track record in data and API modeling, including designing schemas that have survived multiple product pivots.
- • Hands-on production experience with AWS.
- • Bonus: Experience with healthcare or fintech data, event sourcing, or MCP/LLM tooling.
🏖️ Benefits
- • BVG ticket or Swapfiets membership for commuting.
- • Urban Sports membership for fitness and wellness activities.
- • Top-of-the-line working equipment.
- • Flexible hours and hybrid work setup in Berlin.
- • Up to 4 weeks of workation per year anywhere in the world.
- • Dog-friendly office with complimentary drinks and snacks.
Skills & Technologies
JavaScript
TypeScript
Node.js
AWS
REST
Backend
Senior
Hybrid
About Nelly Sweden AB
Nelly Sweden AB is a Swedish e-commerce company that operates the fashion and lifestyle retail site Nelly.com. The company sells clothing, shoes, accessories, and beauty products aimed primarily at women aged 15-30. Founded in 2003, Nelly offers a mix of private-label and external brands, shipping across Europe. The company is headquartered in BorĂĄs, Sweden, and is part of the Boozt Fashion Group since its acquisition in 2020.
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