Óscala is a Dutch/Spanish supplier of nearshore software engineering services. The company is HQ based in Haarlem (NL) and has a Software Development Center in the city center of Valencia. Óscala works for a growing list of reputable clients in The Netherlands and surrounding countries. We offer our clients additional (remote) capacity so they can continue to build their state-of the-art software solutions, web applications, mobile apps and alike. Each Óscala Software Developer works exclusively for one client and is an integral part of their Software Development team - working closely and on a daily basis together with Tech Leads, Architects and other colleagues of the IT team in The Netherlands (or Germany or Belgium).

We are currently looking for a:

Freelance Senior Software Engineer (PHP / Go)

We’re looking for a senior freelance backend engineer to join a small, highly skilled team building and operating a cloud-native platform running critical services on Kubernetes and GCP.

You’ll have real influence on architecture and tooling, working hands-on across backend development and cloud infrastructure.

What you’ll do

• Build and evolve backend services using PHP (Laravel) and Go
• Design and optimize APIs and databases (MySQL / PostgreSQL)
• Operate and improve a cloud-native infrastructure on Kubernetes (GCP)
• Improve automation, CI/CD and GitOps workflows
• Work on performance, security and reliability of the platform

Tech stack (core)

• PHP (Laravel), Go
• Kubernetes, GCP
• MySQL / PostgreSQL, Redis
• Terraform, GitOps
• Linux-based systems

Who you are

• Senior engineer comfortable moving between code and infrastructure
• Pragmatic, autonomous and focused on automation and quality
• Able to make and defend technical decisions
• Experienced working in distributed teams

Benefits

• High level of technical ownership
• Modern cloud-native stack
• Low bureaucracy, direct impact
• Long-term freelance collaboration