Lead Software Engineer I

Best Egg, now part of Barclays, is a market-leading, tech-enabled financial platform helping people build financial confidence through innovative lending solutions and financial health tools. As a Barclays company, we combine the agility and customer focus of a fintech with the global reach, stability, and purpose of a leading financial institution—working together to create a better financial future for our customers and communities.

At Best Egg, you’ll find a culture grounded in our core values—putting people first, creating clarity, delivering with excellence —enhanced by Barclays’ commitment to integrity, inclusion, and long-term impact. Together, we empower our colleagues to challenge, innovate, and take ownership while making a meaningful difference in people’s financial lives.

With the strength of Barclays behind us, we offer expanded opportunities for growth, development, and career mobility across a global organization—while continuing to build the products and experiences that make Best Egg unique.

We’re looking for collaborative, curious problem-solvers who are excited to make an impact and grow with us.

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

Technical Delivery & Engineering Excellence

• Design, develop, and deliver high-quality software iteratively and incrementally.
• Works closely with senior leaders to shape solutions.
• Ensure software follows modern engineering practices, including clean code, testing, automation, and cloud-native patterns.
• Support continuous improvement in code quality, reliability, performance, and developer experience.

Cloud Engineering & Operational Support

• Build and enhance distributed, event-driven, and cloud-native solutions in AWS.
• Apply cloud best practices—security, cost awareness, performance, and operational efficiency—under guidance of senior engineers.
• Contribute to observability through metrics, logging, tracing, dashboards, and alerts.
• Assist in performance tuning, resiliency improvements, and troubleshooting production issues to ensure system stability.

Team Collaboration & Mentorship

• Collaborate effectively with Product, Architecture, InfoSec, and DevOps to deliver well-aligned solutions.
• Contribute to a culture of learning, curiosity, and continuous improvement within the engineering team.

In the first 90 days:

• Deliver high-quality, production-ready code and contribute meaningfully to team goals.
• Build strong working relationships within the engineering and product teams.

In 6–12 months:

• Co ownership of core components or services.
• Co Lead development of one or more important services with increasing autonomy.
• Help improve system performance, scalability, and reliability.

What You Bring

• 3-5 years of professional software engineering experience.
• Strong backend development experience with Java and Python.
• Solid understanding of SQL, data modeling, and query optimization.
• Working knowledge of AWS cloud architecture, services, and best practices.
• Experience with modern databases (relational and NoSQL) such as DynamoDB, RDS, PostgreSQL, DocumentDB.
• Familiarity with CI/CD pipelines, Docker, and container orchestration systems (ECS/EKS preferred).
• Experience with monitoring/observability tools such as CloudWatch or Datadog.
• Ability to produce clear technical documentation and participate in design discussions.

Collaboration & Leadership

• Strong communication skills with the ability to collaborate across teams.
• Comfort working in Agile environments with iterative delivery and shared ownership.
• Ability to bring clarity to complex situations and drive work forward with teammates.