Senior Backend Engineer - Python

La French Tech Taiwan
Barcelona, Spain
5 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Senior

Job location

Remote
Barcelona, Spain

Tech stack

Adobe InDesign
API
Artificial Intelligence
Amazon Web Services (AWS)
Software as a Service
Cloud Computing
Data Centers
ETL
Software Debugging
Django
Python
Machine Learning
Salesforce
Data Logging
Data Processing
Data Ingestion
Flask
Large Language Models
Backend
FastAPI
Containerization
Kubernetes
Kafka
Zendesk
Docker
Microservices

Job description

systems at the intersection of SaaS, data, and AI - using both in-house models and state-of-the-art LLMs - and see your work deliver direct impact to customers. What you'll do Design, build, and maintain backend services and APIs that power Loris's conversation intelligence platform. Integrate machine learning models into production, ensuring they are reliable, performant, and easy to update. Collaborate closely with product managers, designers, and data scientists to ship impactful, user-facing features. Own the architecture, development, and maintenance of backend services that ingest and normalize data from external systems (e.G., Salesforce, Zendesk, Intercom, Five9). Build resilient and scalable ETL/ELT pipelines for data ingestion and enrichment. Stay current with API changes, rate limits, and other nuances of third-party platforms. Collaborate with cross-functional teams to define requirements and deliver high-quality, scalable systems. Write clean, maintainable code, hearts. Other benefits tailored to each country. Equity and Privacy Statement Contentsquare is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to sex, gender identity or expression, sexual orientation, race, color, religion, national origin, disability, protected veteran status, age, or any other characteristic protected by law. Your personal data is used by Contentsquare for recruitment purposes only. Read our Job Candidate Privacy Notice to find out more about data protection at Contentsquare and your rights. You can exercise your rights by using our dedicated Data Subject Rights Portal here. Your personal data will be securely stored in our hosting provider's data center in Oregon (US west). We have implemented appropriate

Requirements

and participate in design reviews and architecture discussions. Monitor production environments, debug complex issues, and drive performance improvements. What we're looking for 4+ years of backend development experience in production systems. Strong proficiency in Python (FastAPI, Flask, or Django preferred). Experience working on SaaS products at scale, including reliability, monitoring, and deployment best practices. Solid understanding of cloud infrastructure (preferably AWS) and containerization (Docker, Kubernetes). Experience with APIs, third-party integrations, and/or ETL/ELT pipelines. Strong troubleshooting skills and familiarity with observability practices (logging, monitoring, debugging in cloud-native environments). A product mindset: you care about the "why," not just the "how." Demonstrated ownership: you follow through, debug in production, and care about outcomes. Nice to have Experience with ML/AI systems, LLMs, or data/analytics pipelines. Previous experience in remote-first, cross-functional teams. Familiarity with streaming systems (Kafka, Kinesis, etc.) or large-scale data processing frameworks. Benefits Virtual onboarding, hackathon, and various opportunities to interact with your team and global colleagues both on and offsite each year. Work flexibility: hybrid and remote work policies. Generous paid time-off policy (every location is different). Immediate eligibility for birthing and non-birthing parental leave. Wellbeing and home office allowances. A Culture Crew in every country we're based in to coordinate regular activities for employees to get to know each other and bond outside of work. Every full-time employee receives stock options, allowing them to share in the company's success. Multiple Employee Resource Groups that offer a safe space for individuals who share common identities, life experiences, or allyship to connect, support one another, and passionately advocate for the issues close to their

About the company

drive impact and help us scale even further. We aim to create an inclusive workplace where everyone learns and succeeds. Contentsquare has built a community of individuals who are daring, understanding, and deliberate. This position is part of the Loris team, at an exciting inflection point following its recent acquisition by Contentsquare. We're scaling our Israeli R&D hub and expanding our impact across the customer experience analytics space. Our technology combines proprietary AI with cutting-edge LLMs to help the world's leading brands understand and improve every customer interaction, from uncovering intent and sentiment to identifying opportunities for growth and efficiency. You'll be joining a small, highly skilled team of experienced engineers who thrive on solving hard problems and owning them end-to-end. We work in tight, product-focused squads and operate with a culture of deep ownership, autonomy, and technical excellence. This is a rare opportunity to shape meaningful

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