LLM Developer Porto

LLM Developer
Porto
Porto, Porto District, Portugal

About Us
Founded in 2019 by two best friends, Jon and Eli, XILO set out to revolutionize the insurance industry by solving its biggest challenges. Eli, a brokerage owner, brought invaluable industry expertise, while Jon, an experienced software engineer, saw an opportunity to innovate using technology. Initially launched as a vertical Saa
S solution addressing core quoting challenges, XILO has since evolved into a trailblazing Vertical AI company leveraging the latest AI technology to transform the industry. By layering
- edge AI solutions onto its Saa
S platform, XILO is driving innovation far beyond its original vision. Having recently closed our Series A funding round, XILO is growing rapidly and seeking talented individuals who want to do
- defining work in a
- driven startup that’s at the forefront of AI innovation. About The Role
As a Senior Backend Engineer, you’ll be a key player in designing, building, and scaling our Type
Script-based microservices. This role specializes in LLM integration. You’ll collaborate across teams, solve complex technical challenges, and directly contribute to the transformation of an entire industry. What You’ll Do:Architect and develop scalable Type
Script microservices powering XILO’s platform. Design and optimize workflows for AI-driven customer interactions with the help of integration and fine tuning LLMs. Prepare datasets for LLM
- tuning. Optimize system performance, reliability, and scalability. Collaborate with
- functional teams (product, frontend, data science) to deliver seamless integrations. Mentor and guide junior engineers, fostering a collaborative and
- oriented team culture. Implement best practices for API security, data privacy, and maintainability. What we’re looking for7+ years of backend engineering experience, with at least 2 years of expertise in Type
Script/Node. js. Deep understanding of microservices architecture and
- based deployment (AWS, Heroku). Deep understanding of Postgres database architecture and design. Proven experience with scalable API design and database optimization. Experience in
- tuning and integration with LLMs (Chat
GPT, Claude
AI, Llama, etc. )Experience in gathering datasets for LLM
- tuning. Passion for writing clean, maintainable, and testable code. Strong
- solving skills and the ability to thrive in a
- paced startup environment. A collaborative mindset with a willingness to mentor and learn from others. What we offer
Collaborative and innovative work environment. Flex PTO for any reason, including sick days (no specified limits), flexible work schedule. Personal laptop. Health and wellness package. Budget for English lessons.