Senior Lead Software Engineer I

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. The Senior Lead Software Engineer is responsible for architecting, delivering, and scaling complex engineering solutions while mentoring engineers and collaborating with cross-functional partners to ensure systems are secure and reliable.

Responsibilities:

• 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, InfoSec, 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

Requirements:

• 6–8+ years of professional engineering experience (10+ for deeply technical stacks)
• Advanced experience with distributed systems, service-oriented architectures, or complex front-end platforms
• Strong proficiency in Java, Python, .NET, Go, or JavaScript frameworks
• Solid understanding of SQL/NoSQL models, data design, performance tuning, and caching
• Experience with AWS services such as API Gateway, Lambda, SQS, SNS, DynamoDB, or RDS
• Demonstrated engineering leadership, mentoring, and strong code-review practices
• Skilled in Agile development, iterative delivery, and collective ownership
• Strong communicator able to collaborate across roles and disciplines
• Expertise in data modeling, ETL/ELT pipelines, and streaming technologies
• Experience with Snowflake, Kafka, Lake Formation, or other analytics platforms
• Experience building CI/CD pipelines and using Docker/ECS/EKS