Senior Fullstack Developer (C# / React)

More in details, UST is a multinational company based in North America, certified as a Top Employer company with over 35 years of experience. We are leaders in digital technology services, providing large-scale technological solutions to major companies.

We are seeking a Senior Full Stack Engineer to join our software development team focused on building an internal cloud-based actuarial solutions platform. The ideal candidate can independently design and develop API-driven web applications from concept to deployment, with a strong emphasis on cloud-first architecture. They should possess deep knowledge of general-purpose programming languages, frameworks, and modern deployment practices. Location: 100% remote for candidates based in Spain.

Requirements:

1. 8+ years of software development experience
2. Proficiency in multiple full stack tools covering frontend frameworks, databases, and deployments
3. Experience with various general programming languages
4. Experience with Test-Driven Development
5. Experience with different database technologies (Relational / NoSQL)
6. Experience with React
7. Experience with AWS services (Step Functions, AWS Batch, Lambdas, ECS)
8. Experience with Terraform
9. Experience with Docker / Linux Containers and orchestration (e.g., ECS / Fargate)
10. Experience with Jenkins / Github Actions
11. Proficiency in Python

Responsibilities:

• Collaboratively build and deploy effective applications with well-tested code
• Design, develop, test, deploy, and support API-based systems with a cloud-first approach
• Manage individual tasks and timelines independently
• Seek continuous quality improvements for supported systems

Work Schedule and Benefits:

• Monday to Friday, with several hours of work aligned with U.N. hours
• Numerous benefits including Health Care Plan, teleworking compensation, Life and Accident Insurances
• Free access to training platforms
• Work-life balance measures such as flexibility, WFH policies, and summer hours