CareerPlan

Softwareentwickler:in - Kotlin (d/m/w)

Hannover, NIEDERSACHSENFull-time2026-10-13 → 2026-11-10

Core

Develop and modernize an online tax filing platform, specifically implementing income tax calculation logic.

Role type

Senior Kotlin Software Engineer

Builds

Online tax filing product and tax calculation engine

Domain

Fintech / Taxation

Deliverable

production ML models | product features

Required skills

Kotlin, Java, Groovy, IntelliJ IDEA, Git, Gradle, Legacy code refactoring, AI coding tools

Preferred skills

Tax domain knowledge, building internal tools, 2nd-level support

Technologies

Kotlin, Java, Groovy, IntelliJ IDEA, Git, Gradle, GitHub Copilot

Responsibilities

Maintain and modernize the online tax filing platform; Implement income tax calculation logic; Refactor legacy Groovy code to Kotlin; Collaborate with tax experts; Develop helper tools; Provide 2nd-level support