Senior FullStack Developer
New
E
EX Squared LATAMTechnology / Digital Transformation
Fully remote position within LATAM. This opportunity is only available to candidates currently residing in Latin America or Brazil.ContractSenior
Salary not disclosed
Apply NowOpens the employer's application page
Job Details
- Languages
- Advanced English
- Experience
- 5+ years
- Required Skills
- GraphQLNode.jsOAuthTypeScriptReactLLMLangChain
Requirements
- 5+ years of working knowledge with modern frameworks and languages (REACT & NodeJS)
- Familiarity with OAuth2/OIDC, API key management, and access audit trail patterns
- Experience with SSR applications
- Experience with GraphQL and Apollo
- Experience building or integrating MCP-compatible REST/GraphQL APIs
- Familiarity with SLO definition and basic observability practices
- Hands-on experience with LLM structured output patterns: function/tool calling
- Familiarity with LLM evaluation approaches
- Experience building agentic workflows
Responsibilities
- Build and maintain automated evaluation pipelines (evals) for agent and skill outputs
- Define strict input/output contracts for MCP tools and agent skills using typed schemas
- Own the prompt engineering lifecycle for assigned tools and skills
- Contribute to the team's MCP tooling catalog
- Implement, test, and document MCP compatible API integrations
- Participate in rollout readiness reviews including SLO definition
View Full Description & ApplyYou'll be redirected to the employer's site
