Senior Full Stack Developer optimizing performance of embedded solutions on Stay22’s platform. Collaborating on development and maintenance of the core infrastructure.
About the role
- Senior Software Engineer at Stay22 designing and developing APIs and AI agents on a public platform. Collaborate with cross-functional teams to deliver scalable, reliable services.
Responsibilities
- Play a key role in the design, development, and end-to-end deployment of Stay22’s new public API platform.
- Use your skills in Python, Node.js, and TypeScript to build scalable, secure, and well-documented RESTful or GraphQL APIs.
- Develop and launch Stay22’s first-generation AI agents for third-party marketplaces (e.g., OpenAI, GCP Agents), leveraging the API platform you help build.
- Collaborate closely with the Data, Neuro, and Integrations teams to define data contracts and integrate their services into a unified API product.
- Work with the Forge (platform) team to implement CI/CD best practices, infrastructure as code, security, and observability for the API platform.
- Define and promote API design standards, versioning strategies, and comprehensive documentation to deliver a world-class developer experience for internal and external partners.
- Design and enforce testing strategies (unit, integration, and end-to-end) and maintain automated test pipelines to ensure code quality and reliability.
- Implement robust authentication, rate limiting, monitoring, and alerting mechanisms to ensure the platform’s security and reliability.
- Promote observability and error management (e.g., structured logging, dashboards and tracing via Grafana).
- Mentor other developers and help cultivate a culture of technical excellence, simplicity, and long-term ownership within the Fabric team.
- Participate in recruiting and onboarding new engineers.
Requirements
- Good command of English is required for daily communication with international colleagues
- Bachelor’s or Master’s degree in Computer Science or equivalent experience
- Minimum of 6–8 years of experience in full-stack or backend development, with a strong focus on building scalable, public-facing APIs and services
- Strong server-side Python expertise, as well as JavaScript/TypeScript and Node.js, with a proven track record of delivering high-performance, reliable web services
- Hands-on experience designing and consuming APIs and working with cloud infrastructures (GCP preferred)
- Solid knowledge of relational and NoSQL databases, notably PostgreSQL and MongoDB
- Familiarity with platform engineering concepts such as containerization (Docker, Kubernetes) and infrastructure as code (Terraform) is a major plus
- Excellent communication skills and a collaborative mindset, able to work with product managers and other stakeholders to translate business needs into technical solutions.
Benefits
- Health, dental, and retirement benefits
- Training and professional development opportunities
- Social events and team-building activities, including memorable retreats
Job title
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