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.
What You Will Do
- Design, develop, and deliver high-quality backend Python services iteratively and incrementally.
- Take ownership of key services and APIs—from hands-on coding through CI/CD, deployment to AWS, monitoring, and on-call support.
- Contribute to backend observability using tools like Datadog for logging, metrics, distributed tracing, and alerting.
- Participate in technical design discussions and contribute architectural insights, working with senior leaders to shape solutions.
- Ensure software follows modern engineering practices, including clean code, testing, automation, and modern backend architecture patterns.
- Support continuous improvement in code quality, reliability, performance, and developer experience.
- Translate business requirements into clear technical tasks and help validate assumptions and approaches.
Technical Leadership & Delivery
Qualifications & Experience
- 3–7 years of professional backend software engineering experience.
- Proficiency in Python at scale, including modern Python (3.13+), type hints, async/await, packaging, and a strong grasp of the standard library and the broader ecosystem.
- Expertise with at least one major Python web framework (FastAPI preferred; Django or Flask also strong) and the patterns that make Python services reliable in production.
- Strong hands-on experience with AWS, including building and operating production workloads on Lambda (serverless functions, event-driven architectures) and EKS (containerized services on Kubernetes).
- Working knowledge of supporting AWS services such as API Gateway, SQS/SNS, S3, IAM, CloudWatch, and Secrets Manager.
- Experience designing and building RESTful APIs
- Working knowledge of PostgreSQL
- Experience with Redis for caching, rate limiting
- Experience with containerization (Docker) and Kubernetes fundamentals (deployments, services, scaling, troubleshooting).
- Experience with CI/CD pipelines and modern release tooling; familiarity with GitHub Actions and Octopus Deploy is a plus.
- Experience with unit, integration, and contract testing (pytest or similar).
- Experience working within mature, legacy codebases and contributing to incremental modernization efforts.
Technical Expertise
What Success Looks Like
- Own core services or features.
- Deliver high-quality, production-ready code and contribute meaningfully to team goals.
- Build strong working relationships within Engineering, Product, and partner teams.
- Lead development of one or more services or features with increasing autonomy.
- Help improve service performance, reliability, and scalability.
- Support and elevate engineering practices through mentorship, code reviews, and process improvements.
In the first 90 days
In 6–12 months
Skills Required
- 3-7 years of professional backend software engineering experience.
- Proficiency in modern Python (3.13+), including type hints, async/await, and standard library.
- Expertise with at least one major Python web framework (FastAPI preferred; Django or Flask also strong).
- Strong hands-on experience with AWS, including Lambda and EKS.
- Working knowledge of supporting AWS services like API Gateway, SQS/SNS, S3, IAM, CloudWatch.
- Experience designing and building RESTful APIs.
- Working knowledge of PostgreSQL and Redis for caching.
- Experience with containerization (Docker) and Kubernetes fundamentals.
- Experience with CI/CD pipelines and GitHub Actions.
- Experience with unit, integration, and contract testing (pytest or similar).
What We Do
Best Egg is a consumer financial technology platform that aims to help people feel more confident about their everyday finances through a suite of products and resources. Our digital financial platform offers simple, accessible, and personalized financial solutions including personal loans, credit cards, and a financial health resource center. Our culture and values are one of the core reasons why our customers keep returning to 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 associates 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.
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