Job Openings at LemFi (Formerly Lemonade Finance) – Apply Now

The Role

• You will be the technical engine behind LemFi’s Remittance Platform, a system that processes tens of millions of cross-border transactions every month. As a Staff Engineer, you aren’t just writing code; you are driving the architectural strategy that allows immigrants around the world to send money home safely and efficiently. You will tackle the most complex system challenges end-to-end, setting the benchmark for technical quality across the entire engineering organisation.

How You’ll Contribute

• Drive Technical Strategy: Guide architectural decisions from concept to production across multiple teams, ensuring our systems are scalable and well-informed.
• Establish Excellence: Set and uphold benchmarks for design, implementation, testing, reliability, and scalability across the organisation.
• Own Critical Components: Take hands-on ownership of high-stakes system components to set a gold standard for the team by example.
• Mentor and Amplify: Provide technical guidance to engineers and leads, removing blockers and bringing clarity to ambiguous challenges through strong communication.
• Collaborate Strategically: Partner with Product, Data, and Growth stakeholders to align our technical roadmap with broader company priorities.
• Evolve Standards: Shape company-wide engineering standards, continuously improving tooling and processes for long-term impact.

Who You Are

• Impact-Driven: You prioritize meaningful business and user outcomes over technical output alone.
• Influential Without Authority: You lead through mentorship and example, aligning stakeholders across teams without relying on an organizational chart.
• A Pragmatic Builder: You enjoy getting deep into the stack to understand trade-offs and deliver solutions that move the needle.
• AI-Native Mindset: You are actively exploring how AI can enhance engineering productivity and unlock new ways to solve problems.
• Growth-Oriented: You are naturally curious and eager to learn areas beyond your core expertise, from machine learning to emerging technologies.

What You’ll Bring

• 7+ years of experience building scalable, production-grade distributed systems.
• Deep Go Lang Expertise: Extensive hands-on experience using Go for building distributed services.
• System Design Mastery: Proven track record in Domain-Driven Design (DDD), modular architecture, and evolving RESTful APIs.
• Advanced Infrastructure Knowledge: Proficiency with PostgreSQL (optimization and transaction handling), Redis, and async patterns like Kafka.
• Cloud & DevOps Savvy: Ability to translate requirements into secure, cost-efficient AWS architectures using Docker and shift-left automation.
• Observability Focus: Deep experience in establishing logging, metrics, and distributed tracing standards.
• Bonus: A degree in Computer Science or previous experience in the FinTech/Banking domain.

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