• Desarrollarás soluciones que conectan datos médicos, procesos complejos y operaciones de alto nivel, contribuyendo a que una metodología respaldada por estudios científicos pueda aplicarse de forma rigurosa, medible y escalable. • Trabajarás en sistemas críticos donde la disponibilidad, la calidad del dato y la robustez arquitectónica son esenciales, en un contexto donde ciencia y tecnología avanzan de la mano. • El gran desafío es escalar una plataforma común que dé soporte a múltiples clínicas, equilibrando estandarización para crecer con la personalización operativa que exige cada centro. • Implica diseñar arquitecturas robustas y escalables, reducir la dependencia de conocimiento en personas clave, mejorar procesos complejos y acompañar a usuarios con distintos niveles de madurez digital. • Podrás colaborar con negocio en la evolución del producto y en la toma de decisiones de arquitectura con impacto real en la expansión internacional.

This description is a summary of our understanding of the job description. Click on 'Apply' button to find out more. Role Description Babylist is hiring Senior Software Engineers to join our engineering organization. You'll work on systems that power a $1B+ GMV marketplace, serving over 9 million families annually. Our engineering teams build everything from advertising platforms and commerce tools to registry systems and health products. During the interview process, you'll learn about different teams and we'll identify the best fit based on your skills and interests. - Revenue & Growth: Advertising partnerships, commerce features, lifecycle marketing, and growth experiments - Product & Experience: Registry tools, shopping flows, health product experience, and customer-facing features - Platform & Infrastructure: Developer tools, core services, monitoring, and foundational systems We’re looking for builders — engineers who are excited about solving hard problems, moving fast, and helping invent what AI-first software development looks like at Babylist. Qualifications - A high-performing engineer with 6+ years of experience delivering end-to-end solutions that drive business growth - Thrives in a quickly growing environment and is excited to lead business-critical projects to unlock new capabilities - Experience testing, monitoring, and running production software systems - Talented programmer with React and Ruby on Rails experience (or similar tech stack experience like Python/Django or Javascript/Node.js with strong desire to learn Ruby on Rails) - Passion for identifying gaps in team processes or execution and love driving impactful improvements - Adaptable and open to working on different types of problems, from revenue systems to customer-facing features to infrastructure - Past experience in e-commerce, consumer growth marketing, adtech, or marketplace systems is a plus but not required - Attention to detail - Actively uses AI coding tools (Copilot, Cursor, Claude Code, or similar) as part of daily workflow Requirements - Provide leadership around process, tooling, systems, and software architecture - Improve and help maintain existing systems — lead the team in adopting AI-first approaches - Work closely with product managers, designers, and data teams to design, implement, and deploy systems - Make architectural decisions that balance speed, quality, and long-term maintainability - Work in a close, supportive team solving real-world problems - Mentor other team members through design and architecture planning, code reviews, and knowledge-sharing sessions Benefits - Competitive pay and meaningful opportunities for career advancement - Competitive salary with equity and bonus opportunities - Company-paid medical, dental, and vision insurance - Retirement savings plan with company matching and flexible spending accounts - Generous paid parental leave and PTO - Remote work stipend to set up your office - Perks for physical, mental, and emotional health, parenting, childcare, and financial planning Company Description Babylist is the leading registry, e-commerce, and content platform for growing families. More than 9 million people shop with Babylist every year, making it the go-to destination for seamless purchasing, trusted guidance, and expert product recommendations for new parents and the people who love them. - What began as a universal registry has grown into a full ecosystem for new parents, including the Babylist Shop, Babylist Health, and a flagship showroom in Los Angeles. - Hundreds of brands in baby and beyond partner with Babylist to engage meaningfully with families during one of life’s most important transitions. - With over $1 billion in annual GMV, and more than $500 million in 2024 revenue, Babylist is reshaping the $320 billion baby product industry. - We’re helping parents feel confident, connected, and cared for at every step. - As we build the generational brand in baby, our mission remains simple: to connect growing families with everything they need to thrive.

• Design, implement, and optimize agentic AI components, including tools, memory management, and prompts. • Develop and maintain golden datasets by defining sourcing strategies, working with data vendors, and ensuring quality and representativeness at scale. • Prototype and evaluate novel prompting strategies and reasoning chains for model reliability and interpretability. • Collaborate cross-functionally with product, data, and infrastructure teams to deliver end-to-end AI-powered insights. • Operate autonomously in a fast-paced, ambiguous environment - defining scope, setting milestones, and driving outcomes. • Ensure reliability, performance, and observability of deployed agents through rigorous testing and continuous improvement. • Maintain a strong bias for action—delivering incremental, well-tested improvements that directly enhance customer experience.

• Design, develop, and maintain high‑performance, scalable cloud microservices. • Write robust, reusable code with a strong focus on maintainability and testability. • Own a set of microservices end to end, continuously improving their efficiency, scalability, reliability, and cost effectiveness. • Serve as primary on‑call for owned services, diagnosing and resolving production incidents in a timely manner. • Collaborate with cross‑geo teams to define, design, and deliver new features that meet evolving business needs. • Work effectively in a primarily remote environment, with occasional in‑person team meetups for planning and collaboration.