Backend Engineer

We’re looking for a Senior Backend Engineer to help us build an internal AI agent platform. 
You’ll be joining a very early-stage initiative to build an internal platform for an AI agent ecosystem. This is your chance to be a key player in shaping a transformative project from the ground up — one that will scale into a powerful platform impacting multiple areas of the business. You’ll contribute to the foundation of a game-changing solution that integrates AI technologies to drive automation and innovation across the company. You’ll work with cutting-edge technologies, including LLMs and agent frameworks, designing architectures at the intersection of large-scale services and AI, and helping integrate them deeply into core internal tools.

You’ll work on high-impact projects in a high-growth environment, alongside a world-class remote engineering team spread across 20+ countries.

Key Responsibilities

• 5+ years of backend engineering experience, with at least 2 years working with Golang and 2 years working with Python

• Plus will be an experience with AI agent frameworks: Langchain, Langgraph, ADK

• Plus will be an experience in building or integrating LLM-based features and agent-centric architectures.

• Big plus will be an ML experience: learning and evaluation of models, implementation of them in production

• Experience building scalable, distributed systems and working with high-load architectures

• Solid understanding of backend tools and technologies — we use PostgreSQL, Redis, Kubernetes, Google Cloud Platform, GitLab, and a microservices architecture

• Experience developing internal instruments, automations, CRM and so on

• A passion for writing clean, testable, and maintainable code

• A proactive mindset and the ability to work independently

• Strong communication skills in English (B2 level or higher)

Skills, Knowledge & Expertise

• Development of backend for AI agent platform and microservices around it

• Participate in the architecture setup, in choosing technologies

• Stay up to date with updates and frameworks around AI agent technologies, study and experiment.

• Improve and optimize parts of the platform related to agent creation, quality evaluation, and performance under load.

• Work closely with platform clients, take feedback into account, and help build a user-friendly product.

Job Benefits

• Full-time B2B contract

• Fully remote setup, work from anywhere in Europe

• Up to 20% tax allowance

• 22 paid leave days annually

• Stock options (ESOP) in a fast-scaling, pre-IPO company

• Flexi benefits you can use for wellness, travel, or learning

• Work alongside a high-performing, international engineering team in a global fintech unicorn