Full-Stack Engineer

About the role

Own well-scoped features across the full application stack. We welcome full-stack engineers who can connect intuitive customer experiences with secure services, reliable integrations and sound data models. Your work would span customer-facing products and internal tools, from initial design through testing and controlled release.

Hollis & Co is a financial technology company, not a bank. Our work calls for sound judgment, attention to detail and clear communication.

USD business banking context

Bring an interest in the technology behind USD business accounts and international business banking. Relevant engineering problems include business-account onboarding, secure document handling, payment-status visibility and reconciliation. Our United Kingdom, Ireland and Netherlands guides provide context on the questions international founders bring to these workflows.

Read the relevant jurisdiction guides for background:

• Forming an Irish Company: Get the Information Right Before Submission
• Starting a Dutch BV: Decisions to Make Before the Notary Appointment
• UK USD Business Bank Account: How to Open One for Your UK Ltd

Guide coverage describes business topics, not recruiting locations. The location and time-zone requirements below apply to every role.

What you will do

• Develop responsive React and TypeScript interfaces for onboarding, account servicing and internal workflows.
• Build backend APIs, database models and integrations with clear authorization, validation, idempotency and recovery behavior.
• Translate approved designs into reusable components using the established Hollis design system.
• Make complex forms and status updates understandable, accessible and resilient to errors.
• Integrate documented APIs while preserving authorization boundaries and protecting sensitive data.
• Write automated tests, participate in code review and validate changes across devices and browsers.
• Improve page performance and technical SEO while preserving approved product and compliance content.

What you bring

• Demonstrated experience shipping production web applications with React, TypeScript and modern CSS.
• Strong foundations in both frontend development and backend services, including databases, API security and asynchronous processing.
• Understanding of semantic HTML, accessibility, responsive design and browser behavior.
• Experience with API integration, automated testing, Git and collaborative code review.
• Ability to explain technical trade-offs and deliver well-scoped work in a distributed team.

Helpful, not essential

• Experience with financial technology, business onboarding or other sensitive-data applications.
• Familiarity with design systems, cloud infrastructure, observability and auditable financial workflows.

Your contribution

Reliable end-to-end features, accessible customer journeys and secure, observable services supported by clear tests and documentation.

Location & contract terms

All roles are remote and limited to candidates based in the United States or Europe, from Western Europe through Serbia. You must be based in a time zone no farther east than Serbia (CET/CEST) and be available for agreed collaboration hours with our headquarters in U.S. Eastern Time (ET). Country-specific engagement eligibility is confirmed before work begins.

Contract-based, with scope, duration and collaboration hours agreed in writing. Compensation negotiable based on experience, scope and location. Arrangements must meet local classification, employment-protection and pay-disclosure requirements.

Professional standards

Protect confidential information, complete required training and work within approved policies. Compliance decisions remain with authorized reviewers; client communications must be accurate and must not promise approval or bypass due diligence.