Technical Lead (Remote) in London

Blockchain is connecting the world to the future of finance. As the most trusted and fastest-growing global crypto company, it helps millions of people worldwide safely access cryptocurrency. Since its inception in 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.

We're looking for a Technical Lead, Lending & Savings to lead the engineering direction for two of our core Consumer products: crypto savings and crypto-backed lending. This is a hands-on technical leadership role for an experienced engineer who enjoys building products from the ground up. You'll 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.

You'll be expected to remain close to the code while providing technical leadership, making architectural decisions, mentoring engineers, and ensuring the team delivers high-quality software. Make key architectural decisions balancing scalability, performance, security, and maintainability. 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. Identify technical risks early and propose pragmatic solutions. Provide technical input into product planning, helping shape solutions that balance customer value, engineering complexity, and delivery timelines. Collaborate with 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. Help recruit exceptional engineering talent. Raise engineering standards across code quality, documentation, testing, and operational maturity. Drive adoption of AI-assisted engineering tools where they improve developer efficiency while maintaining high standards for quality and security.

WHAT YOU WILL NEED

• Technical Experience
• Strong experience building backend systems using Kotlin or Java.
• Strong knowledge of PostgreSQL and relational database design.
• 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 owning technical delivery from planning through production.
• Preferred
• 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.

COMPENSATION & PERKS

• Full-time salary based on experience and meaningful equity in an industry-leading company.
• This is a role based in our London office, with a 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 Unlimited vacation policy; work hard and take time when you need it.
• Apple equipment.
• The opportunity to be a key player and build your career at a rapidly expanding, global technology company in an emerging field.
• Flexible work culture.

Blockchain is committed to diversity and inclusion in the workplace and is proud to be an equal opportunity employer. We prohibit discrimination and harassment of any kind based on race, religion, color, national origin, gender, gender expression, sex, sexual orientation, age, marital status, veteran status, disability status or any other characteristic protected by law. This policy applies to all employment practices within our organization, including hiring, recruiting, promotion, termination, layoff, recall, leave of absence, and apprenticeship. Blockchain makes hiring decisions based solely on qualifications, merit, and business needs at the time.