Senior Backend Engineer, Infrastructure

This is a fully remote position, open to applicants in Belgium, +5 more countries.

📋 Description

• Design and develop resilient backend services and APIs in Java for a multi-tenant SaaS platform.

• Deliver product features from inception to completion and collaborate closely with both product teams and customers on development priorities.

• Enhance the reliability, performance, and scalability of the services you manage.

• Oversee services in production on the AWS/Kubernetes platform.

• Sustain CI/CD pipelines, GitOps workflows, and observability systems.

• Optimize CI feedback speed, ensure dependable development environments, and establish guidelines for autonomous development.

• Lead architectural decisions regarding service design and the evolution of the platform.

⛳️ Requirements

• A minimum of 5 years of experience in backend software development at a product-focused company.

• Proficient in Java, with expertise in APIs, asynchronous processing, concurrency, and performance optimization.

• Strong SQL skills within a backend context, covering schema design, query optimization, and production migrations.

• Possess architectural insight on API and service design, data flow, query patterns, latency, and failure scenarios.

• Hands-on experience with Kubernetes and AWS, including EKS, IAM, networking, RDS, and S3.

• Familiarity with CI/CD, GitOps, and infrastructure-as-code practices, including GitHub Actions, ArgoCD or Flux, Terraform or Pulumi, and scripting.

• Observability experience encompassing metrics, logging, and tracing with tools like Prometheus, Grafana, and OpenTelemetry.

• Proven experience in writing tests.

• Practical experience in deploying code with AI coding assistants such as Claude Code or Cursor.

• Capacity to work autonomously within a distributed, asynchronous team spanning over 12 countries.

• Proficient in English.

• Nice to have: experience with multi-tenant SaaS at scale, working in high-growth startups, Python proficiency, experience in regulated environments, agentic workflows, and expertise in data quality, data management, data observability, or ML monitoring.

🏝️ Benefits

• Compensation package ranging from €85,000 to €120,000 per year + equity.

• Fully remote work option (EU-based).

• Access to a Belgian office if desired.

• Unlimited tokens across all frontier models.

• Genuine ownership with tangible impact and no micromanagement.

• Flexible working hours.

• Diverse international culture with colleagues from over 12 countries.

• Complete autonomy to influence product and roadmap decisions.