Senior Software Engineer – Customs Technology

About the role

Flexport is building the next generation of customs technology to help global brands navigate complex trade regulations. As a Senior Software Engineer you will shape highly‑performant services that automate customs processes and integrate with government agencies.

Key responsibilities

• Collaborate with product managers and business partners to translate complex customs workflows into clean, scalable code.
• Design and implement Kotlin micro‑services on Kubernetes that model real‑world logistics entities.
• Build deep integrations with customs authorities and partner systems.
• Automate legacy filing processes, reducing manual phone calls for operations teams.
• Deliver analytics and insights to logistics teams through robust data pipelines.

Required profile

• 5+ years of professional software development experience.
• Strong focus on writing simple, well‑tested, maintainable code.
• Ability to explain technical concepts to non‑technical stakeholders.
• Bias for action and quick learning aptitude.

Required skills

• Kotlin
• Ruby
• Ruby on Rails
• React
• Flow
• TypeScript
• Kubernetes
• GraphQL
• gRPC
• PostgreSQL
• Kafka
• Snowflake
• AI
• LLM (large language model) agents

What we offer

• Opportunity to impact a fast‑growing global logistics company.
• Daily catered lunches, breakfast, snacks and soft drinks.
• Commute expense coverage for employees living outside Amsterdam.
• 25 vacation days per year (full‑time).
• Fully‑paid collective health insurance and pension contributions.
• Equity program making every team member a shareholder.
• Employee Assistance Program at no cost.
• Parental leave benefits for both mothers and partners.