Remote Senior Backend Engineer — Healthcare API Integrations

voize; Birmingham; On-site; GBP 48,000 - 86,000; Full time

Job summary

voize is seeking a Freelance Senior Backend Engineer for our German Market squad. You will ensure seamless data flow between voize and partners’ software, building integrations with care and hospital systems. Remote work is possible across Germany, France, or the UK.

Requirements include several years in backend development, strong Kotlin skills, REST API design, and fluent German (C1). Travel to Berlin is supported; engagements of at least 3+ months are expected.

Qualifications

• Several years of backend development experience.
• Proficient in Kotlin.
• API design and REST development experience.
• Fluent German (C1) for partner communication.
• Willingness to travel to Berlin; travel expenses covered.

Responsibilities

• Shape and maintain integrations connecting voize with care and medical software platforms.
• Develop a scalable API and set industry standards in collaboration with partners.
• Take end-to-end ownership from idea to ongoing integration development.
• Design thoughtful data models and robust solutions for complex systems.
• Work with impact by saving time for frontline workers.

Skills

Backend development

API integration

Kotlin

REST

German proficiency

Job description

voize is seeking a Freelance Senior Backend Engineer for our German Market squad. You will ensure seamless data flow between voize and partners’ software, building integrations with care and hospital systems. Remote work is possible across Germany, France, or the UK.

Requirements include several years in backend development, strong Kotlin skills, REST API design, and fluent German (C1). Travel to Berlin is supported; engagements of at least 3+ months are expected.