Senior Full Stack Developer

Grupo IOB

Desenvolvedor Full Stack Sênior criando soluções digitais para milhares de empresas brasileiras na IOB. Atuação remota com .NET, React, AWS e tecnologias de IA.

Posted 8/6/2026full-timeRemote • 🇧🇷 BrazilSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in Full Stack Development with a strong focus on C#/.NET, ASP.NET Core, and AI solutions. Proficient in creating multi-tenant SaaS applications and implementing clean architecture and automated testing.

Highest-signal resume keywords

C#/.NET DevelopmentASP.NET CorePostgreSQLAI Solutions DevelopmentAWS Services

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

C#ASP.NET CoreEF CorePostgreSQLRedisTypeScriptReactNext.jsDockerAI Agents

Soft Skills

Clear CommunicationOrganizedDetail-OrientedAnalytical MindsetTeam Collaboration

Tools & Technologies

AWSKong AI GatewayKeycloakGitJira

Industry Keywords

Multi-Tenant SaaSClean ArchitectureAutomated TestingLLMsFunction Calling

Tech Stack

Tools & technologies

ASP.NETAWSDockerJavaScript.NETNext.jsPostgresReactRedisTypeScript

About the role

Key responsibilities & impact

Develop high-impact solutions for thousands of Brazilian companies
Work as part of a Full Stack development team
Use C#/.NET, ASP.NET Core, EF Core, PostgreSQL, Redis, TypeScript, React, Next.js and AWS
Develop and integrate AI solutions, including LLMs, AI agents, RAG and function calling/ReAct
Create and consume MCP servers/tools
Implement APIs, clean architecture, automated tests and infrastructure integrations
Collaborate with different areas in a continuous learning, collaborative and innovative environment
Contribute to multi-tenant SaaS solutions, streaming, and LLM observability as a differentiator

Requirements

What you’ll need

Strong experience with C# / .NET (9+), ASP.NET Core (minimal APIs) and EF Core
Knowledge of Clean Architecture and testing with xUnit
Experience with PostgreSQL, including pgvector, and Redis
Familiarity with LLMs via AWS Bedrock (e.g., Claude/Anthropic)
Knowledge of MCP, including creating and consuming servers/tools
Experience with AI agents, including orchestration, function calling/ReAct and guardrails
Knowledge of RAG, embeddings and vector search
Experience with Kong AI Gateway
Knowledge of TypeScript, React and Next.js
Experience with AWS (ECS, CodeBuild, CloudFront and SES)
Experience with Docker
Experience with Kong / Kong Konnect
Knowledge of Keycloak / OAuth2 / OIDC
Experience with Git (Bitbucket) and Jira
Clear, concise communication
Organized and detail-oriented
Analytical mindset and ownership to solve technical problems
Ability to work well in a team and interact with different departments
Must reside in Brazil

Benefits

Comp & perks

Health insurance
Dental insurance
IOB Benefits Card (discount club with exclusive discounts across various shopping platforms)
Childcare assistance
Life insurance
Internet allowance
Profit Sharing (PLR)
Partnerships with educational institutions
Training and development programs
Culture of continuous feedback
100% remote work