Platform Engineer – Data APIs & AWS (Hybrid, Barcelona)

Theia Insights; Barcelona; Híbrido; EUR 65.000 - 95.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Competitive salary + share options

25 working days holiday + Spanish hols

Hybrid working from Barcelona

Descripción de la vacante

Theia Insights is seeking a Platform engineer in Barcelona to productise our data and power customer access. You will own analytical services, APIs and MCP connectors that let clients query our data through familiar tools and build first‑party applications powered by our platform.

You’ll own end-to-end reliability and performance, run services on AWS, and contribute to both backend and occasional frontend work in a polyglot environment.

Formación

• Strong production Python experience shipping and operating services.
• HTTP APIs in a typed framework (e.g., FastAPI) with clear schemas.
• Production AWS: S3, a compute service (ECS/Fargate or Lambda) and a datastore with least-privilege IAM.
• Auth in production: OAuth2/OIDC, JWT validation, API keys, scopes.
• Tabular data at scale: pandas, Parquet/Arrow, DuckDB (preferred).
• Multi-tenant SaaS concepts: RBAC, API-key management.

Responsabilidades

• Build and operate async REST endpoints (FastAPI) serving large datasets.
• Work with large tabular data (pandas, Parquet/Arrow, DuckDB) and optimize memory/perf.
• Own identity and access layer using AWS identities and data distribution.
• Design and build new data access points via APIs, analytics services, and MCP connectors.
• Run services on AWS and deploy via CDK/CodePipeline.
• Productionise code from data and quantitative teams.
• Occasionally contribute frontend changes in Theia Insights' TS/React apps.
• Ensure reliability and performance with graceful failure handling.

Conocimientos

Production Python

FastAPI

AWS (S3, compute, IAM)

API design and contracts

Data tooling (pandas, Parquet/Arrow)

RBAC / multi-tenant SaaS

CDK / Terraform (IaC)

TypeScript / React (frontend)

Descripción del empleo

Theia Insights is seeking a Platform engineer in Barcelona to productise our data and power customer access. You will own analytical services, APIs and MCP connectors that let clients query our data through familiar tools and build first‑party applications powered by our platform.

You’ll own end-to-end reliability and performance, run services on AWS, and contribute to both backend and occasional frontend work in a polyglot environment.