Senior Software Developer III – AWS

• Create architecture, prototypes, and design proposals aligned with product and platform vision
• Influence technical direction through architecture reviews, RFCs, design discussions, and hands-on collaboration
• Define and execute product/platform architecture roadmaps with senior developers, architects, and tech leads
• Balance delivery speed, quality, maintainability, and long-term platform health
• Break down large initiatives into parallelizable work delivering incremental business value
• Champion proposals through design, development, and production implementation
• Improve the core product build, CI/CD pipelines, and SDLC
• Troubleshoot production issues and drive reliability, observability, monitoring, and incident response
• Maintain technical documentation
• Facilitate design discussions across teams
• Represent the team with technical and cross-functional stakeholders
• Act as a trusted technical leader through collaboration, influence, and shared ownership
• Mentor developers through design reviews, joint agentic-AI sessions, and feedback
• Share knowledge of technologies and industry best practices
• Evaluate emerging technologies, frameworks, and cloud capabilities
• Build and operate the AWS AgentCore Gateway layer and hosted capabilities
• Develop and maintain a target registry and configuration model for customer MCP servers, including tenant isolation, credential handling, allowlisting, egress control, and failure containment
• Build inbound MCP and adjacent protocol surfaces with authentication, scope enforcement, and rate limiting
• Build and operate on-premise connectivity with session lifecycle, request correlation, and recovery
• Implement session and scope propagation across gateway, targets, and backends
• Design and evolve OpenAPI contracts and target runtimes
• Implement outbound authorization using IAM/SigV4, OAuth, and credential providers
• Maintain versioning of target contracts
• Contribute to end-to-end tracing, SLOs, and observability
• Mentor developers and contribute to integration-layer technical direction through RFCs and design reviews
• Use AI-assisted development tools as part of daily workflow
• Evaluate, secure, and take ownership of AI-generated output
• Identify and lead agentic automation opportunities
• Mentor developers on responsible AI-tool use
• Establish guardrails for safe AI-tool usage
• Build feedback loops improving team use of AI tooling

• Degree in Computer Science, Software Engineering, or equivalent practical experience
• 8+ years of professional software development experience with demonstrated impact beyond a single team
• Experience designing and operating distributed, cloud-native, SaaS/multi-tenant platforms at scale, ideally on AWS
• Strong software fundamentals: OOP, design patterns, SOLID principles, and code quality advocacy
• Experience with agentic-AI software development practices
• Experience designing and consuming HTTP APIs such as REST or GraphQL
• Experience mentoring developers and influencing architectural decisions across teams
• Strong written and verbal communication skills
• English high B2
• Strong initiative to improve processes, tools, methodologies, and product quality
• Experience with MCP (Model Context Protocol) for LLM agents
• Experience building or operating a multi-tenant gateway or API platform
• Experience integrating with third-party or untrusted endpoints
• Experience with authorization and scope propagation across multi-hop service boundaries
• Experience designing and operating persistent-connection or streaming architectures, including session management, recovery, message correlation, timeout/retry semantics, backpressure, idempotency, and graceful degradation
• Node.js/TypeScript
• AWS Lambda, AWS Bedrock, AWS AgentCore Gateway or similar
• OpenAPI, Model Context Protocol (MCP), A2UI
• GitHub and GitHub Actions

• Contrato a termino Indefinido with all the legal benefits
• Prepaid Medicine
• Life insurance and funeral assistance
• Internet allowance
• Home office stipend
• Competitive compensation — above the market average
• 100% remote work environment and an excellent work-life balance
• Opportunity to work for a growing global SaaS leader company
• A culture that promotes independence, innovation, trust, and accountability
• Open space to be creative, innovative and strategize for the future
• Mentorship by highly experienced professional
• Budget for training
• 5 Personal Time Off days per year
• Sick Leave Top up to total 100% of salary paid by the employer from Day 3 to 90
• Recognition Award, additional paid time off in recognition of the corresponding year of service
• Upgrade vacation starting at 5 years of service
• AI-first environment