about 14 hours ago
Barcelona, SpainSenior / Staff+
Base Salary
$100k - $140k/yr
Responsibilities
- Design, build, and ship production features across Vallor’s TypeScript stack.
- Own backend services, APIs, integrations, data flows, and serverless infrastructure.
- Contribute to the frontend using Next.js and TypeScript when needed.
- Work directly with enterprise customers to understand their workflows and technical requirements.
- Translate customer needs into well-scoped, maintainable product features.
- Communicate tradeoffs, clarify requirements, and push back constructively when needed.
- Build integrations across enterprise systems, contract platforms, communication tools, and third-party APIs.
- Design and maintain serverless, event-driven systems on AWS.
- Contribute to infrastructure-as-code workflows using SST and related tooling.
- Use AI coding agents extensively to accelerate development and parallelize work.
- Review, test, debug, and improve AI-generated code.
- Maintain a high standard for code quality, security, reliability, and maintainability.
- Help shape engineering practices and technical direction as the team grows.
- Identify opportunities beyond the initial customer requirements and turn them into valuable product improvements.
Requirements
- Senior or Staff-level software engineering experience.
- Deep professional experience with TypeScript.
- Strong backend engineering skills using Node.js, Bun, or similar runtimes.
- Ability to contribute across the full stack, including modern React or Next.js applications.
- Experience building and operating production systems on AWS.
- Strong understanding of serverless and event-driven architecture.
- Experience designing APIs, integrations, and distributed backend workflows.
- Experience with PostgreSQL or similar relational databases.
- Familiarity with infrastructure as code.
- Strong product judgment and ability to turn ambiguous needs into shipped solutions.
- Excellent written and verbal English communication.
- Ability to work directly with customers and non-technical stakeholders.
- Strong organization, attention to detail, and project ownership.
- Experience using advanced AI coding tools or agents as a core part of daily development.
- Ability to critically review and take ownership of AI-generated code.