Senior Lead Software Engineer

Overview

Best Egg is a market-leading, tech-enabled financial platform helping people build financial confidence through a variety of installment lending solutions and financial health tools. We aim to help customers make smart financial decisions and stay on track, so they can be money confident no matter what life throws at them.

We offer top-tier benefits and growth opportunities in a culture built on our core values:

Put People First – We foster an inclusive, flexible, and fun workplace.

Create Clarity – Open communication drives trust and results.

Get Things Done – We focus, prioritize, and deliver with excellence.

Deliver with Heart – We lead with kindness, humility, and strong teamwork.

Listen to Our Customers – Their needs drive our innovation.

Barclays has entered into an agreement to acquire Best Egg with closing expected to take place in Q2 2026. This acquisition will give us the resources and capital to continue on our mission and drive our strategy forward. With an aligned culture, lower cost of funds, and increased employee growth opportunities across a global brand, we are excited about the future of the Best Egg brand under the Barclays umbrella.

We are looking for collaborative, innovative team players who like to solve problems. There will also be immense opportunities for those willing to dive in. If you're inspired by growth and want to make a real difference, Best Egg is the place for you.

We’re proud to be an equal opportunity employer committed to building a diverse, inclusive team.

Senior Lead Software Engineers are senior technical leaders responsible for architecting, delivering, and scaling complex, high-impact engineering solutions at Best Egg. They shape the technical direction of the platform, mentor engineers across levels, and collaborate deeply with cross-functional partners to ensure systems are secure, performant, reliable, and aligned with business strategy.

Senior Lead Engineers operate at the intersection of architecture, execution, and organizational influence. They bring deep expertise in distributed systems, cloud-native engineering, and production-grade operations. They are hands-on builders who set the engineering bar and drive continuous improvement.

This role owns critical systems, leads complex feature delivery, mentors engineers, and contributes to domain-level architectural strategy.

• Design, develop, and deliver high-quality software iteratively and incrementally.
• Own end-to-end implementation, deployment, and operational support for complex systems.
• Lead design discussions, create architecture diagrams, and drive sound technical decision-making.
• Conduct deep code reviews focused on correctness, maintainability, and long-term sustainability.
• Improve performance, reliability, and scalability of critical systems.
• Translate complex business needs into clear technical requirements and challenge assumptions where needed.

• Collaborate closely with Product, Architecture, Info Sec, Cloud Ops, and QA to ensure alignment.
• Communicate risks, tradeoffs, and recommendations clearly to stakeholders.
• Participate in cross-team discussions to support integrations, sequencing, and dependency resolution.
• Influence the organization to prioritize data governance in all their data and software solutions.

• Mentor Software Engineer I/II, Senior Software Engineers, and Lead Engineers.
• Support onboarding, domain knowledge transfer, and technical development.
• Model engineering excellence, collaboration, and continuous improvement.

• Establish ownership of one or more critical services and deliver high-quality code.
• Build strong relationships across engineering, product, and architecture.
• Demonstrate mastery of system architecture and operational readiness.

• Lead delivery of complex initiatives within domain scope.
• Improve system reliability, scalability, and performance in measurable ways.
• Raise engineering standards and influence team practices.

• 6–8+ years of professional engineering experience (10+ for deeply technical stacks).
• Advanced experience…