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# AWS Application Developer

- **Company:** UST
- **Location:** Spain (Remote available)
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Automation of Tests, Cloud Engineering, Code Review, Encodings, Continuous Integration, Programming Tools, Github, Python (Programming Language), Systems Development Life Cycle, Software Engineering, TypeScript, Web Services, ReactJS, Delivery Pipeline, Snowflake, AWS Lambda, Agentic-AI, Fastapi, Event Driven Architecture, Api Design, Api Gateway, Serverless Computing, GXP
- **Published:** November 10, 2026
- **Apply:** https://www.tecnoempleo.com/aws-application-developer-ust/github-microsoft-entra/rf-176e1d8c425ca33aa14f

## About the Role

English C1 (required).

 - Strong application-development experience, enough to define how applications should be built well and encode that as patterns and quick starts.
 - Strong AWS application development and software engineering experience, ideally on developer tooling, delivery platforms or cloud-native developer workflows.
 - Daily use of AI-assisted engineering, working with a coding agent or harness. Experience with spec-driven development is a strong plus.
 - Solid knowledge of AWS serverless and event-driven services: Lambda, API Gateway and Step Functions.
 - Experience automating CI/CD, SDLC and engineering controls with GitHub Actions and Infrastructure as Code.
 - Experience building automated governance, compliance or operational controls into delivery pipelines.
 - Good engineering practice as second nature: API design, automated testing, observability, documentation and secure-by-default delivery.

Nice to have:

 - Python/FastAPI for building production APIs and services.
 - TypeScript/React for web front ends and developer consoles.
 - Experience building internal developer platforms or "platform-as-a-product".
 - Experience building agentic applications, or designing APIs, CLIs and reusable skills for human and agent consumers.
 - Financial services or other regulated-industry experience.

Skills: AWS, AWS Lambda, AWS Step Functions, API Development, Amazon API Gateway, Event-Driven Architecture

## Description

Build the self-serve platform: control plane services, APIs, the CLI, and integrations with AWS, GitHub, Entra, Snowflake and core systems.

 - Build quick starts and reusable skills that define best-practice application development, used by both the platform team and teams building on top of it.
 - Build operational and governance checks, both deterministic scripted checks and agentic applications, that keep applications compliant without manual gatekeeping.
 - Work with engineering teams across the firm to define the patterns, guardrails and paved paths that AI agents follow when building applications.
 - Develop serverless AWS applications and tools using Lambda, API Gateway and Step Functions, together with GitHub Actions and Infrastructure as Code.
 - Automate the software delivery lifecycle and engineering controls, and raise platform quality through code review, test automation, observability and documentation.