Hybrid Full-Stack Developer

at Resilient Co.

• Job title: Full-Stack Developer
• Job type: Full Time
• Experience level: Mid level, Senior
• Salary: Not specified
• Degree requirement: Bachelor's Degree
• Tech skills: AWS, Kafka, Postgres, Python, React, Terraform, TypeScript
• Location requirements: Hybrid, Barcelona, Spain

About the role

• Full-Stack Developer responsible for end-to-end product features in Earth Observation technology. You will engage with customers, design APIs, and build user interfaces.

Responsibilities

• Customer-Centric Product Development: Engage with customers to understand their needs, then design, prototype, and implement valuable, user-focused features for our Product.
• End-to-End Feature Ownership: Take full responsibility for features, spanning the entire lifecycle from initial data model and API design to web UI development and final production deployment.
• Data and System Architecture: Design and implement scalable data flows and schemas utilizing database technologies and event pipelines.
• Workflow Standardization and Evolution: Implement and continuously improve standardized product workflow, ensuring services communicate effectively by emitting and consuming domain events.
• Front-End and Geospatial Visualization: Develop accessible, responsive user interfaces with a focus on integrating complex geospatial visualizations, maps, and timelines.
• Technical Excellence and Reliability: Drive improvements in system reliability through automated testing, robust CI/CD pipelines, and enhanced observability practices.
• Infrastructure and Operations Contribution: Collaborate on infrastructure-as-code and deployment pipelines, contributing to sensible and sustainable operational practices.

Requirements

• Frontend Proficiency: Strong skills in React, TypeScript, modern state management, data handling patterns, and frontend testing best practices.
• Backend & Data: Expertise in Python for building web APIs and services, along with strong data modeling capabilities for PostgreSQL.
• Event-Driven Systems: Experience in designing, emitting, and handling domain events, with familiarity with event streaming platforms like Kafka.
• Quality & Testing: Proficient in backend testing tools and practices (pytest, coverage, mocks) and frontend testing methodologies.
• Observability: Ability to implement meaningful metrics, tracing, and structured logging (familiarity with tools like AWS Lambda Powertools and Sentry is a plus).
• DevOps & Infrastructure: Solid understanding of CI/CD fundamentals and comfort with Infrastructure-as-Code (specifically Terraform).
• Security: Foundational knowledge of security and authentication principles (e.g., Auth0/OIDC, JWT, managing permissions and entitlements).

Benefits

• Health insurance
• Retirement plans
• Paid time off
• Flexible work arrangements
• Professional development