Lead Software Engineer II – Java & Python

Bestegg; Wilmington (DE); On-site; USD 140,000 - 190,000; Full time

Job summary

Best Egg is seeking a Lead Software Engineer II to drive the design and delivery of scalable, secure software across our platform. You will collaborate with senior engineers and architects to shape solutions, ensuring high-quality, cloud-native systems and rigorous engineering practices in a fast-paced environment.

We value problem solvers who contribute to observability, performance improvements, and team mentorship.

Qualifications

• 4 – 6 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.
• Strong communication skills with the ability to collaborate across teams.
• Comfort working in Agile environments with iterative delivery and shared ownership.

Responsibilities

• Design, develop, and deliver high-quality software iteratively and incrementally.
• Work 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.
• Build and enhance distributed, event-driven, and cloud-native solutions in AWS.
• Apply cloud best practices—security, cost awareness, performance, and operational efficiency.
• Contribute to observability through metrics, logging, tracing, dashboards, and alerts.
• Assist in performance tuning, resiliency improvements, and troubleshooting production issues to ensure system stability.
• 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.

Skills

Backend development

SQL & data modeling

Cloud architecture

Communication

Agile teamwork

Documentation

Tools

Java

Python

Docker

ECS/EKS

CloudWatch

Datadog

DynamoDB

RDS

PostgreSQL

DocumentDB

Job description

Lead Software Engineer II (All locations)

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.

We are looking for collaborative, innovative team players who like to solve problems. 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.

Role Overview

The Lead Software Engineer II plays an important role in building and enhancing engineering solutions across the organization. This role focuses on designing and delivering reliable, high‑quality software while contributing to technical discussions, improving engineering practices, and supporting team execution. You will work closely with senior engineers and architects to implement scalable, secure, and maintainable systems.

Technical Delivery & Engineering Excellence

• Design, develop, and deliver high-quality software iteratively and incrementally.
• Work 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.

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.

6-12 Months

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

Qualifications

• 4 – 6 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.
• 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.

About You

You are a hands‑on engineer who enjoys building reliable systems and helping others grow. You are collaborative, curious, and proactive in improving both the product and the engineering process. You balance solid technical judgment with the willingness to dive into details. You’re motivated by delivering value, enhancing system quality, and contributing steadily to a strong engineering culture.