Senior Lead Software Engineer I - Java &Python

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.

The Senior Lead Software Engineer I plays a critical role in shaping, delivering, and scaling the next generation of engineering solutions across the organization. This position calls for a strong technical leader who excels in designing high-quality software, driving hands-on development, and guiding solutions from concept through production. You will own critical platform design decisions, elevate engineering best practices, and collaborate across teams to deliver systems that are highly scalable, reliable, and secure.

This role is ideal for a senior technologist who thrives at the intersection of architecture, execution, and leadership.

• Design, develop, and deliver high-quality software iteratively and incrementally.
• Take end-to-end ownership of systems—from architecture and hands-on coding to deployment, observability, and operational excellence.
• Lead technical design discussions, create architectural diagrams, conduct design reviews, and guide the team toward sound engineering decisions.
• Ensure solutions adhere to modern engineering standards including clean code principles, automation, testing, and cloud-native patterns.
• Drive continuous improvement efforts across engineering practices, tooling, code quality, and system reliability.
• Translate complex business needs into clear technical requirements and challenge assumptions when necessary.

• Architect and optimize distributed, event-driven, and cloud-native systems in AWS.
• Apply AWS Well-Architected Framework principles to improve security, cost optimization, performance efficiency, and operational excellence.
• Implement robust observability practices including metrics, tracing, dashboards, and automated alerting.
• Guide the team through performance tuning, resiliency engineering, and root-cause analysis to ensure production stability.

• Serve as a technical mentor to engineers of all levels, helping grow architectural thinking and problem-solving skills.
• Coach Junior Developers through hands-on pairing and structured guidance.
• Collaborate effectively with Product, Architecture, InfoSec, and DevOps to align technical solutions with strategic roadmaps.
• Foster a culture of knowledge sharing, technical curiosity, and continuous learning.

• Establish ownership of one or more critical services.
• Demonstrate hands-on contributions through high-quality, tested, production-ready code.
• Build strong working relationships across engineering, product, and architecture teams.

• Lead the ownership of one or more critical platform services
• Improve system performance, reliability, and scalability in measurable ways.
• Raise engineering standards across the team through mentorship, design leadership, and tooling improvements.

• 10+ years of professional software engineering experience with a strong track record of delivering production systems.
• 7+ years of backend development experience in Java and Python.
• Deep understanding of SQL, data modeling, query optimization techniques, and effective caching strategies.
• Strong understanding of AWS concepts, cloud architecture patterns, and cloud-native engineering best practices.
• Hands-on experience with key AWS services such as API Gateway, S3, Lambda, SQS, and SNS (highly preferred).
• Experience working with a variety of database technologies including DynamoDB, RDS, DocumentDB, PostgreSQL, and other NoSQL/relational systems.
• Experience building and maintaining CI/CD pipelines, with exposure to Docker, ECS, and EKS (preferred).
• Experience with monitoring and observability tools such as CloudWatch, Datadog dashboards, or similar platforms (preferred).
• Proven ability to create architectural documentation, lead collaborative whiteboarding sessions, and effectively communicate complex technical designs to diverse audiences.
• Demonstrated engineering leadership experience—driving technical direction, mentoring peers, and elevating team performance.
• Skilled in operating within Agile environments, emphasizing iterative development, collective ownership, and continuous improvement.
• Ability to navigate ambiguity, create clarity, and drive outcomes in fast-paced environments.
• Excellent communication skills with the ability to influence across teams and levels of the organization.

You are a builder, innovator, and problem solver. You balance strategic thinking with hands-on execution. You challenge conventional approaches, elevate engineering excellence, and are passionate about delivering impactful solutions that improve the lives of customers and colleagues. You are excited to own complex systems, mentor others, and help shape the future of the engineering organization.

Employee Benefits

Best Egg offers many additional benefits for our employees, including (but not limited to):

·       Pre-tax and post-tax retirement savings plans with a competitive company matching

program

·       Generous paid time-off plans including vacation, personal/sick time, paid short--

term and long-term disability leaves, paid parental leave, and paid company

holidays

·       Multiple health care plans to choose from, including dental and vision options

·       Flexible Spending Plans for Health Care, Dependent Care, and Health

Reimbursement Accounts

·       Company-paid benefits such as life insurance, wellness platforms, employee

assistance programs, and Health Advocate programs

·       Other great discounted benefits include identity theft protection, pet insurance,

fitness center reimbursements, and many more!

#LI-REMOTE

In compliance with the CCPA, Best Egg is fully committed to handling the personal information and data of employees and job applications responsibly with respect and due care. Review our CCPA Employee Policy  here