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Back End Python Developer Jobs in Delaware (NOW HIRING)

M&T Bank

Software Engineer II

Wilmington, DE · On-site

$153.36K - $161.83K/yr

... Developer, Software Programmer, Computer Engineer or related occupation. Requires one (1) year of ... Designing and Developing Applications in Python; * Using Snowflake as the backend for Datawarehouse ...

M&T Bank

Software Engineer II

Wilmington, DE

$153.36K - $161.83K/yr

... Developer, Software Programmer, Computer Engineer or related occupation. Requires one (1) year of ... Designing and Developing Applications in Python; * Using Snowflake as the backend for Datawarehouse ...

M&T Bank

Software Engineer II

Wilmington, DE · On-site

$154.68K - $164.68K/yr

... Developer, ETL/Big Data Developer, Software Programmer, or related occupation. Requires one (1) ... Designing and developing applications in Python; * Using Snowflake as the backend for Data ...

M&T Bank

Software Engineer II

Wilmington, DE

$154.68K - $164.68K/yr

... Developer, ETL/Big Data Developer, Software Programmer, or related occupation. Requires one (1) ... Designing and developing applications in Python; * Using Snowflake as the backend for Data ...

Berkley

Principal Engineer - AI Platform

Wilmington, DE

$131K - $175.60K/yr

Develop and maintain systems primarily using Python, R, or Java, focusing on building REST APIs and ... Ensure the scalability, reliability, and security of backend systems * Troubleshoot and debug ...

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How much do back end python developer jobs pay per year?

As of May 30, 2026, the average yearly pay for back end python developer in Delaware is $148,361.00, according to ZipRecruiter salary data. Most workers in this role earn between $145,600.00 and $167,600.00 per year, depending on experience, location, and employer.

What is a Back End Python Developer job?

A Back End Python Developer is responsible for building and maintaining the server-side logic of web applications using Python. They develop APIs, manage databases, optimize application performance, and ensure seamless data exchange between the front end and back end. Common frameworks used include Django and Flask. Their role is crucial in ensuring that applications run efficiently, securely, and can scale as needed.

What are the key skills and qualifications needed to thrive in the Back End Python Developer position, and why are they important?

To thrive as a Back End Python Developer, you need strong proficiency in Python, knowledge of back-end frameworks like Django or Flask, experience with RESTful APIs, and a solid understanding of databases such as PostgreSQL or MongoDB, often supported by a degree in computer science or related technical field. Familiarity with tools like Git, containerization (Docker), CI/CD pipelines, and cloud platforms (AWS, Azure, or GCP), along with relevant certifications, are often valued. Excellent problem-solving abilities, attention to detail, and effective communication skills help developers work efficiently in collaborative and fast-paced environments. These skills ensure reliable, scalable, and maintainable server-side applications that support business goals and user experience.

What are the typical daily responsibilities of a Back End Python Developer?

As a Back End Python Developer, your daily tasks often include designing, developing, and maintaining server-side logic, building and integrating APIs, and managing databases to ensure efficient data storage and retrieval. You'll collaborate closely with front-end developers and other team members to deliver seamless user experiences, troubleshoot bugs, and optimize system performance. Participation in code reviews, writing unit tests, and updating technical documentation are also common responsibilities. This collaborative and varied workflow ensures the server-side infrastructure is robust and scalable to meet the demands of modern web and application development.
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Back End Python Developer jobs near you
Lead Software Engineer II - Java & Python

Lead Software Engineer II - Java & Python

Best Egg

Wilmington, DE • On-site

$100K - $135K/yr

Full-time

Posted 26 days ago

Job description

Opening from Default - 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. 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.
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.
What You Will Do

Technical Delivery & Engineering Excellence

  • Design, develop, and deliver high-quality software iteratively and incrementally.
  • Works 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.
What Success Looks Like

In the 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.

In 6-12 months:

  • Co ownership of core components or services.
  • Co Lead development of one or more important services with increasing autonomy.
  • Help improve system performance, scalability, and reliability.
  • 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.
  • Collaboration & Leadership
  • 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.
Who You Are
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.
$100,000 - $135,000 a year
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