Requirements

3+ years of experience building and shipping full stack applications
Frontend: React or similar frameworks (SolidJS, Vue, Angular)
Backend: C#/.NET (e.g., .NET 6+, ASP.NET Core)
Experience designing and maintaining automated tests
Strong understanding of software architecture, design patterns, and technical trade-offs
Experience with AI-assisted development using agentic tools (e.g., Claude Code, Cursor, Antigravity) as part of daily practice
Ability to own features end-to-end, create implementation plans, and coordinate delivery
Strong problem-solving skills
Ability to work independently and collaboratively in a fast-paced environment
Strong written and spoken English (intermediate level or above)

React Router (framework mode) and component libraries such as Shadcn
Azure services (App Service, Functions, Service Bus, Storage, Key Vault)
Mentoring engineers and active participation in technical discussions with proposals and recommendations
Observability and reliability practices across frontend and backend
Documenting APIs, code, and technical decisions to improve team and AI collaboration
Evaluating and adopting new tools and technologies

Responsibilities

Partner effectively with agentic AI tools in daily coding and development workflows
Apply context engineering practices to improve collaboration with AI tools and teammates
Use software architecture principles and design patterns to produce maintainable, scalable code
Propose solutions that evolve and improve the architecture within the team's domain
Design and implement solutions across the full stack: frontend (UI/UX) and backend (APIs and services)
Ensure seamless integration across layers, delivering cohesive features from data to user interface
Design APIs aligned with frontend needs and deliver complete, production-ready features
Own small to medium-sized features from planning through delivery
Create implementation plans and coordinate execution
Mentor other engineers through code reviews and technical guidance
Collaborate with product owners and stakeholders to translate requirements into technical solutions

Strong written and spoken English is required across roles, since we work with international teams. JBK hires in Argentina and South America.