Founding Software Engineer building a global tax management platform for online businesses. Taking ownership of technical foundations and supporting product evolution in a hybrid setup.
Responsibilities
Build and evolve the product
Design, build, and maintain a production-grade software platform
Translate functional and regulatory requirements into clean, maintainable systems
Work closely with tax, legal, and compliance experts to implement domain logic correctly
Improve existing systems through refactoring, simplification, and performance optimization
Build with scalability, reliability, and long-term evolution in mind
Improve and extend existing AI features, staying up to date with advances in AI and modern engineering practices
Ensure quality, security, and reliability
Apply solid engineering practices around testing, monitoring, and deployments
Contribute to data security and system reliability
Make pragmatic technical decisions balancing speed, quality, and maintainability
Requirements
4–7+ years of experience in full-stack or backend software engineering
Have shipped and maintained production systems over time
Are curious about AI, automation, and modern development practices , and actively keep yourself up to date
Can translate complex requirements into solid technical implementations
Communicate clearly in written and spoken English (C1/C2)
Are comfortable operating in ambiguity and taking responsibility for outcomes
Benefits
Heavnn is also an equal-opportunity company that is committed to inclusion and diversity. We take affirmative action to ensure equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or any other characteristics that make YOU who YOU are.
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