AWS Senior Engineer (Remote, Colombia)

About the role

A fully remote Senior Software Developer III position based in Colombia, acting as a technical leader within the team and across the engineering organization. The role shapes architecture and design, mentors developers, partners with cross-functional stakeholders and guides agentic-AI tools to deliver code. It is open to candidates with 8+ years of professional software development experience.

Key responsibilities

• Create architecture, prototypes and design proposals aligned with the product and platform vision, and champion proposals through the SDLC.
• Influence technical direction through architecture reviews, RFCs and design discussions, and break large initiatives into parallelizable work.
• Mentor developers through design reviews, joint agentic-AI sessions and feedback on prompts and agent inputs.
• Contribute to CI/CD pipelines, reliability, observability, monitoring and incident response, and keep technical documentation current.
• Represent the team with Tech Leads, Operations, Product, Security and external stakeholders.
• Evaluate emerging technologies and build team guardrails for safe, effective use of AI-assisted development tools.
• Department-specific: build and operate the AWS AgentCore Gateway layer, the target registry and configuration model, and the on-premise connectivity path for Caseware, including session and scope propagation, authorization and observability.

Required profile

• Degree in Computer Science, Software Engineering or equivalent practical experience; 8+ years of professional software development.
• Proven experience with distributed, cloud-native, SaaS/multi-tenant platforms at scale, ideally on AWS.
• Strong software fundamentals (OOP, design patterns, SOLID) and a track record of advocating code quality.
• Experience mentoring developers and influencing architectural decisions.
• English at high B2 level; strong initiative to improve processes and tools.

Required skills

• Node.js/TypeScript backend and platform work.
• AWS Lambda, AWS Bedrock and AWS AgentCore Gateway (or similar).
• HTTP APIs (REST, GraphQL or similar) and OpenAPI contracts.
• Model Context Protocol (MCP) for LLM agents; persistence, streaming and session management.
• Nice to have: AWS CDK, CloudFormation or Terraform, and experience with regulated or compliance-heavy domains.

What we offer

• Permanent employment contract with all legal benefits.
• 100% remote work with competitive compensation above the market average.
• Health insurance, prepaid medicine, internet allowance, home office stipend and life insurance and funeral assistance.
• 5 personal days off per year, sick leave topped up to 100% of salary from day 3 to 90, and vacation upgrades after 5 years.
• Budget for training, mentorship by experienced professionals and a culture of independence and innovation.