The Lead Software Engineer II develops backend services using Python in AWS, designs APIs for apps, and collaborates across teams to enhance customer engagement through financial tools.
Best Egg is the leading financial confidence platform that provides flexible solutions to real-life challenges for people with limited savings. We leverage real-time customer insights and data science to connect more people with the right products for their financial needs. Our offers include a growing suite of products such as personal loans, a credit card, and flexible rent, which are complemented by a suite of financial health tools to help customers make smart financial decisions and stay on track, so they can be money confident no matter what life throws at them.
Our culture and values inspire our employees and customers to embrace Best Egg. We are committed to championing a culture of inclusiveness and diversity of thought, and we focus on providing a safe, flexible, and collaborative work environment. Our employees are encouraged to engage in creative problem solving, and we promote opportunities for growth and enrichment across the organization.
If you are inspired by inspiring others, Best Egg is the place for you.
The Job:
The Lead Software Engineer II is responsible for developing robust, scalable backend services that power the Best Egg Financial Health and Best Egg native app platforms. This role focuses on designing, building, and maintaining server-side application logic using Python in a cloud-native AWS environment.
The Best Egg native app enables customers to view and service their loans, providing secure and easy access to account information, payment management, and other self-service features. It is a critical part of our digital experience and customer engagement strategy. Best Egg Financial Health is a judgment-free, financial safe space where customers gain practical insights into how their financial decisions impact their ability to access money.
You'll be working closely with a highly skilled and growing team to transform how customers interact with credit by enabling data-driven tools such as financial forecasting, budgeting recommendations, loan servicing, and analytics services that support an intelligent and intuitive user experience.
Duties & Responsibilities:
- Develop and maintain backend systems using Python in an AWS cloud-native environment
- Design and implement scalable RESTful APIs and services that support mobile and web applications
- Develop and support backend services used by the Best Egg Financial Health and Best Egg native app platforms
- Integrate with data pipelines and analytics services to power real-time financial tools
- Ensure systems are monitored, secure, and reliable using observability and logging best practices
- Collaborate cross-functionally with front-end developers, mobile engineers, DevOps, data scientists, and product managers
- Participate in code reviews, architecture discussions, and team ceremonies within Agile/Scrum processes
- Write clear technical documentation and contribute to design discussions and sprint planning
Minimum Requirements - Development
- We’re looking for a backend engineer with a strong Python background and a few years of experience building reliable, cloud-based systems. The right person is comfortable working in a fast-paced environment, enjoys solving problems, and can clearly communicate ideas with both technical and non-technical teammates.
- Bachelor’s degree in computer science, Engineering, or equivalent work experience
- 3–5 years of backend development experience using Python
- Strong experience with cloud-native development in AWS (e.g., Lambda, API Gateway, S3, DynamoDB, RDS)
- Familiarity with Infrastructure as Code (e.g., CloudFormation, Terraform)
- Experience building and consuming REST APIs
- Experience supporting mobile app backends is a strong plus
- Understanding of Continuous Integration and Continuous Deployment (CI/CD) workflows
- Familiarity with containerization (Docker) and orchestration (ECS or Kubernetes) is a plus
- Ability to write clean, maintainable, testable code
- Ability to create design docs, mockups, and lead whiteboard discussions
- Track record solving problems and delivering high-quality solutions
Minimum Requirements - Leadership
- The ideal candidate demonstrates strong technical leadership, takes ownership of their work, and thrives in cross-functional collaboration. We are seeking an individual who is organized, self-motivated, and committed to mentoring others.
- Demonstrated technical leadership, including coaching and mentoring team members
- Ability to take ownership of significant features or services from design through deployment
- Comfortable interacting with colleagues across engineering, product, design and test engineering
- High self-efficacy, well-organized, and able to manage multiple priorities effectively
- Passionate about reducing manual and repetitive work when designing and building backend tools and infrastructure
Minimum Requirements - Culture
- The ideal candidate aligns with Best Egg’s core values and culture. At Best Egg, we’re proud to support millions of people navigating their financial lives. We hold ourselves to high standards—in our work, our collaboration, and how we treat one another. Our team leads with accountability and a shared commitment to our values, customers, and communities.
- People-first mindset with a focus on inclusion, collaboration, and clear communication
- Driven to prioritize what matters and deliver results with urgency and excellence
- Team-oriented, and always listening to improve the customer experience
- Advocate and practitioner of Agile methodologies
- Strong communication skills, both written and verbal
- Values knowledge sharing and continuous improvement
Best Egg celebrates diversity and equal opportunity. We are committed to building a team that represents a variety of backgrounds, perspectives, and skills. The more inclusive we are, the better we will grow.
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!
Top Skills
Api Gateway
AWS
CloudFormation
Docker
DynamoDB
Ecs
Kubernetes
Lambda
Python
Rds
S3
Terraform
Similar Jobs
Big Data • Healthtech • HR Tech • Machine Learning • Software • Telehealth • Big Data Analytics
The Backend Engineer II builds and maintains back-end services, collaborates on technical designs, and ensures user privacy and security in a remote setting.
Top Skills:
AWSElasticsearchKubernetesNatsPostgresPythonSnowflakeTerraform
Information Technology • Marketing Tech • Software • App development
As a Senior Backend Software Engineer, you will design and maintain applications, writing APIs and microservices, while ensuring system reliability and performance.
Top Skills:
DockerGrafanaGraphiteKubernetesPythonStatsdTornado
Information Technology • Marketing Tech • Software • App development
As a Senior Backend Software Engineer, you'll design, develop, and maintain applications, writing APIs and microservices while ensuring system reliability and security.
Top Skills:
DockerGrafanaGraphiteKubernetesPythonRejectedStatsdTornado
What you need to know about the Los Angeles Tech Scene
Los Angeles is a global leader in entertainment, so it’s no surprise that many of the biggest players in streaming, digital media and game development call the city home. But the city boasts plenty of non-entertainment innovation as well, with tech companies spanning verticals like AI, fintech, e-commerce and biotech. With major universities like Caltech, UCLA, USC and the nearby UC Irvine, the city has a steady supply of top-flight tech and engineering talent — not counting the graduates flocking to Los Angeles from across the world to enjoy its beaches, culture and year-round temperate climate.
Key Facts About Los Angeles Tech
- Number of Tech Workers: 375,800; 5.5% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Snap, Netflix, SpaceX, Disney, Google
- Key Industries: Artificial intelligence, adtech, media, software, game development
- Funding Landscape: $11.6 billion in venture capital funding in 2024 (Pitchbook)
- Notable Investors: Strong Ventures, Fifth Wall, Upfront Ventures, Mucker Capital, Kittyhawk Ventures
- Research Centers and Universities: California Institute of Technology, UCLA, University of Southern California, UC Irvine, Pepperdine, California Institute for Immunology and Immunotherapy, Center for Quantum Science and Engineering