Senior Backend Engineer (Product Team)

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Backend Engineer (Product Team) based in Netherlands.

As a Senior Backend Engineer, you will play a key role in building and scaling a global SaaS platform that helps businesses manage app performance, user feedback, and marketplace analytics. You will contribute to the development of high-impact backend services that process large volumes of data from app stores and transform them into actionable insights. Working in a fully remote, product-driven environment, you will collaborate closely with cross-functional teams to design robust, scalable, and secure systems. This role offers the opportunity to work on complex engineering challenges, including automation, data processing, and AI-driven features such as semantic analysis and summarization. You will help shape the architecture of a fast-growing platform while improving performance, reliability, and developer experience.

• Develop, maintain, and optimize backend services that power core product features related to app ratings, reviews, and performance analytics.
• Design and implement systems for automating user interactions with customer reviews, including tagging, response workflows, and reporting capabilities.
• Build and enhance data processing pipelines to generate insights from large-scale user feedback and app store data.
• Contribute to AI-powered product capabilities, including semantic analysis, text summarization, and intelligent automation features.
• Support and improve internal and public APIs connected to core platform data entities.
• Design scalable, secure, testable, and well-documented backend architectures.
• Collaborate with engineering peers to improve system-wide architecture and ensure consistency across services.
• Work with and modernize legacy services while ensuring stability and performance.
• Partner with platform and DevOps teams to ensure smooth deployments and reliable system operations across environments.
• Apply engineering best practices, coding standards, and testing strategies to maintain high-quality software delivery.

Requirements

• 5+ years of professional experience in backend software development.
• 3+ years of experience working with asynchronous Python (asyncio).
• Strong proficiency in FastAPI for building scalable API services.
• Solid experience with relational databases such as MySQL or PostgreSQL, including strong SQL skills.
• Experience working with ORM frameworks, preferably SQLAlchemy.
• Hands-on experience with NoSQL databases such as MongoDB.
• Experience with messaging systems such as RabbitMQ or Kafka.
• Strong understanding of unit testing practices, particularly using Pytest.
• Experience working in distributed systems and scalable backend architectures.
• Upper-intermediate or higher level of English proficiency.
• Strong problem-solving skills, attention to detail, and ability to work in a fast-paced product environment.
• Nice to have: experience with NLP, LLM-based systems, or AI-powered features.
• Nice to have: experience building or integrating LLM applications (RAG, AI assistants).
• Nice to have: familiarity with vector databases and modern AI storage systems.
• Nice to have: experience with data pipelines and orchestration tools such as Airflow or Prefect.
• Nice to have: exposure to AWS or other cloud environments.
• Nice to have: experience in research and development (R&D) or experimental engineering projects.

Benefits

• Fully remote position with the flexibility to work from anywhere.
• Opportunity to work on a globally scaling SaaS product with high technical complexity.
• Paid vacation and sick leave, with flexibility for personal or special occasions.
• Comprehensive benefits package including health insurance, equipment reimbursement, and home office support.
• Employee stock option plan offering long-term ownership in the company’s success.
• Opportunity to attend monthly in-person meetups in European hubs such as Helsinki, Belgrade, Tbilisi, Batumi, and Yerevan.
• Fast onboarding process with strong technical and organizational support.
• High visibility into company strategy, product direction, and technical decision-making.
• Collaborative and international engineering culture focused on knowledge sharing and continuous improvement.
• Access to modern tools, infrastructure, and engineering practices in a high-growth environment.