Senior Full-Stack Engineer, Web – Infrastructure

This is a fully remote position, open to applicants in France, +1 more country.

📋 Description

• Create product and marketing user interfaces using React for multi-brand experiences.

• Implement WCAG AA accessibility standards, manage technical SEO, and adhere to performance budgets.

• Develop user management systems, Keycloak realms, organizational hierarchies, partner brokering, and application entitlements.

• Work on APISIX API gateway routes, plugins, and authentication policies as code.

• Build payment and billing functionalities.

• Support compliance with ISO 27001 and GDPR requirements, including access control, change management, audit logging, observability, alerting, consent, and data retention.

• Maintain infrastructure using Pulumi with TypeScript, Docker Swarm on Hetzner, Cloudflare, and Tailscale.

• Develop integrations with third-party systems.

• Engage with both frontend and infrastructure codebases.

• Employ agent-assisted development, with human involvement in design, verification, and approval processes.

• Take ownership of selected Shape Up bets and make decisions in your designated areas.

• Document critical technical decisions and uphold merge quality standards.

• Participate in in-person team gatherings at least twice a year.

⛳️ Requirements

• Extensive full-stack experience with responsibility for features from the browser to the production environment.

• Proven history of owning a domain, migration, or subsystem and maintaining accountability.

• Ability to identify high-quality design work and reject subpar outputs.

• Experience with React, including server-side rendering, static generation, data loading, and hydration.

• Proficiency in strict TypeScript with typed boundaries.

• Familiarity with infrastructure as code; Pulumi is preferred, or Terraform with a willingness to learn Pulumi.

• Experience working with production containers and Linux, including debugging services via SSH.

• Expertise in Postgres, covering backup and restore, migrations, and schema changes under load.

• Daily engagement with coding agents and critical review of outputs generated by LLMs.

• Experience with third-party APIs, webhooks, OAuth/OIDC, and handling undocumented integration edge cases.

• Located within CET ±3 and able to work during overlapping hours.

• Proficiency in English.

• Nice to have: Knowledge of Keycloak, OIDC, SAML brokering, and APISIX.

• Nice to have: Experience with ISO 27001 and GDPR.

• Nice to have: Familiarity with payment systems, billing models, or PSP integrations.

• Nice to have: Experience with Prometheus, Grafana, or similar observability tools.

• Nice to have: Background in maritime, logistics, or freight industries.

• Nice to have: Familiarity with GHG Protocol, GLEC, or EU ETS.

🏝️ Benefits

• Opportunity to influence the future of climate initiatives in logistics.

• Empowerment for remote work.

• Stipend for setting up a remote workspace.

• Flat organizational structure with direct access to company founders.

• High level of learning opportunities and ownership.

• Team-building events.

• Remote-first work culture.

• In-person team gatherings at least twice a year.