API Designer & Business Analyst (Insurance Tech)

Blu; Barcelona; Hybrid; EUR 60,000 - 90,000; Full time

Job summary

Blu in Barcelona is seeking an API Designer & Business Analyst to standardize API architecture and ensure secure, scalable endpoints across global teams.

You will draft OpenAPI specs, review PRs in Azure DevOps, participate in the API Design Authority, and help evolve tooling and CI/CD for smooth integrations.

This on-site/hybrid role offers collaboration with cross-functional groups, English-focused teamwork, and a path to influencing architectural standards across international projects.

Qualifications

• Minimum 5 years of API design and business analysis experience.
• Strong backend tech stack experience with .NET 8.0 and ASP.NET Core.
• Experience with OpenAPI/Swagger and RESTful design patterns.
• Proficient Git version control and Azure DevOps workflows.
• Knowledge of secure coding principles and cloud deployments.
• Fluent English and experience in Agile teams.

Responsibilities

• Review business requirements and translate into robust API models.
• Draft OpenAPI 3.x specifications and Swagger documentation.
• Create and review Pull Requests in Azure DevOps to validate implementations.
• Contribute to API Design Authority and promote best practices.
• Improve internal tooling, CI/CD, and integration processes.
• Support internal and partner integrations to resolve blockers.

Skills

API design

Business analysis

.NET 8.0 / ASP.NET Core

xUnit testing

Git / VCS

Azure Cloud

PowerShell

DevOps pipelines

RESTful services

Agile teamwork

English proficiency

Tools

Swagger Hub

OpenAPI 3.x

Postman

Job description

Blu in Barcelona is seeking an API Designer & Business Analyst to standardize API architecture and ensure secure, scalable endpoints across global teams.

You will draft OpenAPI specs, review PRs in Azure DevOps, participate in the API Design Authority, and help evolve tooling and CI/CD for smooth integrations.

This on-site/hybrid role offers collaboration with cross-functional groups, English-focused teamwork, and a path to influencing architectural standards across international projects.