Description du poste
AWS Application Developer AWS Application Developer - Spain We are still looking for the very Top Talent and we would be delighted if you were to join our team! More in detail, UST is a multinational company based in North America, certified as a Top Employer and Great Place to Work company, with over 35,000 employees worldwide and presence in more than 35 countries. We are leaders in digital technology services and provide large-scale technology solutions to big companies. We are building an AI-native internal developer platform for a leading financial services client: the paved road that lets every engineering team build applications with AI agents as first-class developers, with governance and automation built in. The platform is greenfield and already in use, and we are looking for a hands-on senior engineer to help shape it from the ground up. What we look for? We are looking for an AWS Application Developer to build the self-serve platform, quick starts and governance checks behind this developer platform. 100 remote position for people located in Spain. Key Responsibilities: - 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. Mandatory requirements: - 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 What can we offer? - 23 days of Annual Leave plus the 24th and 31st of December as discretionary days! - Numerous benefits (Health Care Plan, Internet Connectivity, Life and Accident Insurances). - Retribución Flexible Program: (Meals, Kindergarten, Transport, online English lessons, Health Care Plan ) - Free access to several training platforms - Professional stability and career plans - UST also compensates referrals, so you could benefit when you