Senior Artificial Intelligence/Machine Learning Engineer

Ciklum is looking for a Senior Artificial Intelligence/Machine Learning Engineer to join our team full-time in Brazil. 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, become a part of a cross-functional development team engineering experiences of tomorrow. You will work building the agents, models, and integrations on the platform's templates — the hands that turn use cases into production systems. Responsibilities: Build and ship LLM-powered agents and workflows on the paved path (templates, pipeline, guardrails) Write and run evals for everything built; 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 Requirements: 8+ years software engineering; 2.5+ building LLM applications in production (agents, RAG, tool use) Strong Python/TypeScript; API craftsmanship; prompt and context engineering that survives contact with users Can write LLM evals as part of building — non-negotiable Ships fast without skipping guardrails Desirable: Retrieval/IR depth (for assistant-facing work); healthcare data handling; cost-optimization experience. 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-GE1