Lemfi
Senior Software Engineer - Foundations
London, Remote. Posted a month ago
The role
You will own and evolve core identity and onboarding services, build internal SDKs, and define cross-platform architectural standards. You will drive engagement platform capabilities and partner with infrastructure teams to improve reliability.
What you will do
- Own and evolve core identity and onboarding services
- Build and maintain internal SDKs and shared libraries
- Define and champion cross-platform architectural standards
- Drive engagement platform capabilities from spec to production
- Partner with platform and infrastructure teams to raise reliability and observability
- Tackle ambiguous problems like new country launches and regulatory requirements
- Perform code reviews, architectural reviews, incident response, and mentoring
Required qualifications
- At least five years of backend engineering experience with Go as your primary language in a production environment
- Track record of building and scaling distributed systems
- Experience working on or closely with platform or enablement teams
- Comfortable with the full lifecycle including design, build, operate, and improve
- Practical, demonstrable use of AI development tools in your daily engineering workflow
- Strong opinions about system design, API contracts and service boundaries
Nice to have
- Exposure to fintech, payments or identity/KYC systems
- Experience building SDKs or developer-facing platform services consumed by other engineering teams
- Prior work in a high-growth startup or scale-up (roughly 50-500 people)
About the company
LemFi is a financial engine for people who move countries. They provide remittances, multi-currency accounts, Savings, eSIMs and Credit.