Help us build the future of AI support
We're a team of 22 people across Warsaw, Barcelona, and Berlin — building AI that makes every Shopify store's customer support world-class. Come build with us.
Why join Retenza?
We built the culture we wished we'd had at previous companies.
Remote-first
Work from Warsaw, Barcelona, Berlin, or anywhere in the EU. We've been remote-first since day one.
Equity for everyone
Every full-time employee receives meaningful equity. We're building something together.
Unlimited PTO
We trust you to manage your time. Take the time you need — minimum 20 days per year.
€2,000 home office budget
Set up your workspace the way you work best. One-time budget, spend it how you like.
Learning budget
€1,500/year for courses, conferences, books, or anything that makes you sharper at what you do.
Health insurance
Private health insurance covered for you. Family plans available at a subsidised rate.
Open Positions
Senior Full-Stack Engineer
Help build and scale the core Retenza platform. Own entire features end-to-end — from API design to the UI. We use Next.js, TypeScript, PostgreSQL, Redis, and the Anthropic Claude API.
Requirements
- 5+ years of professional software engineering experience
- Strong TypeScript and React skills
- Experience with PostgreSQL and relational database design
- Familiarity with AI/LLM APIs (Claude, OpenAI, or similar)
- Experience with high-throughput queue systems (BullMQ, SQS, etc.)
ML Engineer — NLP & Intent Detection
Improve the accuracy and speed of our intent detection and confidence scoring models. Work directly with Marta (CTO) on the AI pipeline that powers 18M+ email responses per year.
Requirements
- 3+ years in ML engineering or applied NLP research
- Strong Python skills and familiarity with PyTorch or JAX
- Experience fine-tuning or evaluating large language models
- Understanding of multi-class text classification systems
- Comfortable working with production data at scale
Senior Product Designer
Own the design of agent-facing workflows, admin dashboards, and the onboarding experience. Work closely with Nikola (Design Lead) and directly with our customers to understand how they use the product.
Requirements
- 4+ years of product design experience, preferably in B2B SaaS
- Strong portfolio demonstrating complex workflow design
- Proficient in Figma
- Experience running user research and usability testing
- Familiarity with design systems at scale
Customer Success Manager
Own the post-sale relationship with a portfolio of mid-market and enterprise Shopify merchants. Drive adoption, reduce churn, and identify expansion opportunities. You'll be the customer's advocate inside Retenza.
Requirements
- 3+ years in Customer Success, Account Management, or a similar role at a SaaS company
- Strong understanding of e-commerce operations (Shopify experience a plus)
- Excellent communication skills in English (Polish or French a strong bonus)
- Data-driven approach to tracking customer health and outcomes
- Comfortable with CRM tools (HubSpot, Intercom, or similar)
Growth Marketing Manager
Own acquisition channels for Retenza's European expansion. Run experiments across paid, SEO, content, and partnership channels. You'll work directly with Alek (CEO) and have real autonomy over budget and strategy.
Requirements
- 4+ years in growth marketing or performance marketing at a B2B SaaS company
- Experience managing Google Ads, LinkedIn Ads, and SEO campaigns
- Comfortable with analytics tools (GA4, Mixpanel, or similar)
- Strong writing and content instincts
- Bonus: experience marketing to e-commerce or Shopify merchants
Senior Account Executive — Enterprise
Close enterprise deals with high-volume Shopify stores and Shopify Plus brands. Own the full sales cycle from demo to signed contract. We have strong inbound — your job is to convert it and build your own pipeline too.
Requirements
- 5+ years in B2B SaaS sales, ideally with ACV > €20k
- Proven track record of consistently hitting quota
- Experience selling to e-commerce, operations, or support buyers
- Strong demo and negotiation skills
- English required; German or French a significant advantage for EU expansion
Don't see a role that fits?
We're always interested in talking to exceptional people. Send us a message and tell us how you'd add value.
Get in touch