Senior Backend Engineer - Cloud & HPC (Remote Portugal)

Spectrum IT Recruitment Portugal; Portugal; Remote; EUR 108,000 - 132,000; Full time

Benefits offered by this job

Equity

Learning budget

Unlimited PTO

Company-paid trips to Boston

AI tools allowance

Fitness benefits

Remote across Portugal

Job summary

Spectrum IT Recruitment Portugal is seeking a Senior Backend Software Engineer for a fully remote role across Portugal. You will own scalable backend services and distributed infrastructure, work with Python/Java/C++, and shape cloud solutions on AWS.

Join a fast-growing, VC-backed tech company delivering HPC and cloud-based simulation platforms. You’ll benefit from ownership, direct access to founders, and a learning-forward environment with generous benefits.

Qualifications

• Strong backend development experience with Python, Java or C++.
• Hands-on production cloud experience (AWS preferred).
• Experience building and operating distributed systems.
• Proven ownership of production backend services.
• Based in Spain with existing right to work.

Responsibilities

• Designing and building scalable backend services and APIs.
• Developing distributed systems and cloud infrastructure.
• Building solutions across AWS and high-performance computing environments.
• Improving data management, storage and processing pipelines.
• Taking ownership of backend services from design through to production.

Skills

Python

Java

C++

AWS

Distributed systems

Ownership

Problem solving

Independent mindset

Tools

Kubernetes

Docker

Terraform

Kafka

Job description

Spectrum IT Recruitment Portugal is seeking a Senior Backend Software Engineer for a fully remote role across Portugal. You will own scalable backend services and distributed infrastructure, work with Python/Java/C++, and shape cloud solutions on AWS.

Join a fast-growing, VC-backed tech company delivering HPC and cloud-based simulation platforms. You’ll benefit from ownership, direct access to founders, and a learning-forward environment with generous benefits.