Technical Lead, Lending & Savings

As a Technical Lead for Lending & Savings at Blockchain, you lead the engineering direction for two core consumer products: crypto savings and crypto-backed lending. You define the technical architecture, lead a small team of engineers, and partner closely with the Lending & Savings Business Lead to turn product vision into scalable, reliable systems. This is a hands-on role where you remain close to the code while providing technical leadership and ensuring the team delivers high-quality software.

What you'll do

• Lead the technical direction and architecture of the Lending & Savings platform, making key architectural decisions that balance scalability, performance, security, and maintainability.
• Design and build scalable, secure, and highly available distributed systems.
• Remain hands-on, contributing production-quality code and reviewing critical changes.
• Drive engineering best practices across system design, testing, deployment, observability, and operational excellence.
• Mentor engineers through code reviews, technical coaching, and day-to-day leadership.
• Own the delivery of technical initiatives from design through production, working closely with the Business Lead and designers to translate product requirements into technical solutions.
• Break down complex initiatives into clear engineering milestones and execution plans.
• Identify technical risks early and propose pragmatic solutions.
• Ensure services remain resilient, performant, and secure as the platform scales.
• Partner closely with the Lending & Savings Business Lead, Product Design, Treasury, Trading, Risk, Compliance, and Infrastructure teams to build customer-focused solutions.
• Contribute to improving user journeys, performance, and platform reliability through continuous iteration.
• Lead, mentor, and grow a small team of engineers, fostering a culture of ownership, collaboration, and technical excellence.
• Help recruit exceptional engineering talent.
• Raise engineering standards across code quality, documentation, testing, and operational maturity.
• Continuously improve engineering productivity through automation and modern development practices.
• Drive adoption of AI-assisted engineering tools where they improve developer efficiency while maintaining high standards for quality and security.
• Champion continuous improvement across architecture, tooling, and engineering processes.

What you bring

• Strong experience building backend systems using Kotlin or Java.
• Experience designing distributed, event-driven systems using Kafka or similar messaging technologies.
• Strong knowledge of PostgreSQL and relational database design.
• Experience working with Redis or other NoSQL technologies.
• Deep understanding of microservices architecture, APIs, distributed systems, and cloud-native applications.
• Experience with monitoring, observability, incident response, and production operations.
• Strong debugging and performance optimisation skills.
• Demonstrated experience shipping reliable production systems that process financial transactions.
• Experience leading engineering teams while remaining hands-on.
• Strong system design and architectural decision-making skills.
• Experience owning technical delivery from planning through production.
• Comfort working with cross-functional stakeholders to translate product requirements into engineering solutions.
• Excellent communication skills with both technical and non-technical audiences.
• A collaborative mindset with strong ownership and bias for execution.

Nice to have

• Experience building fintech or crypto products.
• Experience with lending, borrowing, savings, custody, payments, or other financial infrastructure.
• Understanding of collateral management, interest calculations, liquidation engines, or financial risk systems.
• Experience using AI-assisted development tools such as Cursor, Claude Code, Codex, or similar as part of your engineering workflow.

What we offer

• Full-time salary based on experience plus meaningful equity in an industry-leading company.
• London office-based role with mandatory in-office presence four days per week.
• Work from Anywhere Policy: you can work remotely from anywhere in the world for up to 20 days per year.
• ClassPass membership.
• Unlimited vacation policy.
• Apple equipment.
• Flexible work culture.

About Blockchain

Blockchain connects the world to the future of finance. As a global crypto company, it helps millions of people worldwide safely access cryptocurrency. Since 2011, Blockchain has earned the trust of over 90 million wallet holders and more than 40 million verified users, facilitating over $1 trillion in crypto transactions.