Senior Full-Stack Engineer

We’re looking for a Full-Stack Engineer to design, build, and scale our web platform, which powers multimodal model deployment, observability, and agent workflows. You’ll work closely with our product, infrastructure, and design teams to deliver high-performance, intuitive developer and enterprise tools. A great candidate is a strong collaborator with expertise in either software infrastructure or AI agent systems.I. Key Responsibilities:Design, build, and maintain web applications and tools for AI model deployment, monitoring, and performance optimizationDevelop clean, scalable, and robust APIs for AI agents, workflows, and user-facing systems.Collaborate with infrastructure engineers to integrate backend systems with the deployment and orchestration pipelinesOptimize the performance and usability of web interfacesDrive code quality through automated testing, CI/CD, and code reviewsIdentify and resolve technical debt, improve system reliability, and contribute to architectural decisionsII. Qualifications:Must have:5+ years of experience with Python (FastAPI, etc.) and TypeScript/JavaScriptBachelor’s or Master's degree in Computer Science, Computer Engineering, Electrical Engineering, or equivalentProven experience delivering high-impact full-stack applications at scaleDeep understanding of modern web frameworks and component-driven architectureProficiency in designing data models, writing SQL, and working with PostgreSQLExperience with GraphQL API in production systemsSolid foundation in cloud-native development, containerization, and deployment best practicesNice to have:Familiarity with LLM-based workflows, tool invocation, or agentic systemsFamiliarity with Kubernetes for container orchestration, including deploying, scaling, and managing containerized applications in production environmentsAre comfortable working across the stack and enjoy picking up new tools as neededHave worked in a startup or fast-paced environments with ownership and ambiguityAre passionate about enabling AI adoption and care deeply about developer experienceExposure to observability platforms (e.g., Prometheus, Grafana)Experience with authentication, RBAC, and multi-tenant SaaS systemsIII. Why we'll love working here:Workplace:Join a vibrant, young and dynamic team working on cutting-edge projects & emerging technologies.Collaborate with global experts & top tech talent to enhance your skills.Thrive in a culture of openness, forward-thinking and innovation-driven team while encouraging your full potential.2. Benefits CompriseCompetitive salary, 13th month salary and attractive performance bonuses.Flexible hybrid working model (WFH 2 days per week)Premium Healthcare and Accident insurance.Annual health check package.Free parking and allowances: Lunch, Marriage, Newborn baby, Bereavement and others applied.A spacious pantry that is fully equipped with a coffee maker, fridge, microwave and more for your most comfortable lunch time.A wide range of sports and social activities: Yoga, Football, Badminton, Tech clubs, etc.Annual company trip and teambuilding.Chance to be honored quarterly and annually with recognition awards for individuals, teams, long-term service, etc.Advanced English and appropriate soft skills training to assist your career development.Engaging monthly events: Happy Gathering, Mini Game, Team Birthday Celebrations, Company’s Year-end party, etc.Exclusive company supporting funds to ease your personal loans for Home, Vehicle, Tuition, etc.IV. Additional Information:Location: QTSC 1 Building, Quang Trung Software City, Trung My Tay Ward (District 12), Ho Chi Minh CityWorking Time: 8:30 AM – 6:00 PM from Monday to Friday (Lunch break between 12:00 PM to 1:30 PM)Gentle notice to our candidate about Decree No.13/2023/NĐ-CPAccording to Decree No.13/2023/NĐ-CP on protecting personal data, LARION would apply “Personal Data Processing Agreement” with all candidates to ensure compliance with the decree.By submitting this application to LARION, you agree to allow LARION to proceed your provided information in accordance with “Personal Data Processing Agreement” that you have read, fully understood and agreed to the entire content at link https://larion.com/privacy-policy/