Senior Artificial Intelligence/Machine Learning Engineer

Ciklum is looking for a Senior Artificial Intelligence/Machine Learning Engineer to join our team in Argentina. We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live. About the role: As a Senior Artificial Intelligence/Machine Learning Engineer, you'll become a part of a cross-functional development team engineering experience of tomorrow. You will build and ship LLM-powered agents, design evaluations, and integrate systems while maintaining high quality and guardrails. Responsibilities: Build and ship LLM-powered agents and workflows on the paved path (templates, pipeline, guardrails) Write and run evals for everything built; ensure no system ships without passing its suite Integrate with GoodRx systems and data sources; instrument for cost and quality telemetry Pair with business users to iterate quickly inside bounded scopes Coach/supervise team members on prompt engineering, context management, and LLM best practices Requirements: We know that sometimes, you can’t tick every box. We would still love to hear from you if you think you’re a good fit! Software Design: Deep understanding of agentic architectures, RAG systems, tool-use design, and context engineering Experience designing reliable LLM workflows and prompt strategies that survive real-world contact with users Software Development: 8+ years of software engineering experience, with 2.5+ years building LLM applications in production Strong proficiency in Python and/or TypeScript, with excellent API craftsmanship Ships fast without skipping safety, quality, or operational guardrails Quality Assurance: Non-negotiable ability to write and run rigorous LLM evaluations (evals) as a core part of the build process Experience instrumenting applications for cost and quality telemetry Software Deployment & Domain Knowledge: Hands-on experience with LLM deployment pipelines, templates, and production guardrail integration Bonus / Nice to have: Depth in Retrieval/IR (for assistant-facing work), experience handling healthcare data, and cost-optimization practices What’s in it for you? Care: your mental and physical health is our priority. We ensure comprehensive company-paid medical insurance and mental health programs, 5 undocumented sick-leave days per year Tailored education path: boost your skills and knowledge with our regular internal events (meetups, conferences, workshops), Udemy license, language courses and company-paid certifications Growth environment: share your experience and level up your expertise with a community of skilled professionals, locally and globally Long-term employment with 20 working-days paid vacation and local bank holidays Flexibility: 100% remote work mode Opportunities: we value our specialists and always find the best options for them. Our Internal Mobility Program helps change a project if needed to help you grow, excel professionally and fulfill your potential Global impact: work on large-scale projects that redefine industries with international and fast-growing clients Welcoming environment: feel empowered with a friendly team, open-door policy, informal atmosphere within the company and regular team-building events About us: At Ciklum, we are always exploring innovations, empowering each other to achieve more, and engineering solutions that matter. With us, you’ll work with cutting-edge technologies, contribute to impactful projects, and be part of a One Team culture that values collaboration and progress. As we expand into Latin America, every Ciklumer is helping to shape our story. Collaborate with seasoned experts and make a global impact backed by two decades of industry leadership. Explore, empower, engineer with Ciklum! Interested already? We would love to get to know you! Submit your application. We can’t wait to see you at Ciklum. #LI-AD1