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Senior Python Engineer Jobs in Newark, DE (NOW HIRING)

Tiger Analytics Inc.

Senior Data Engineer

Wilmington, DE

$102.90K - $139.70K/yr

Utilize programming languages like Python and Open Source RDBMS and NoSQL databases and Cloud based data warehousing services such as Redshift and Snowflake * Share your passion for staying on top of ...

Parsons

Senior Computer Scientist/Engineer

Aberdeen, MD

$131.70K - $173.70K/yr

The Senior Computer Scientist/Engineer may also lead a team of computer scientists on large and ... Proficiency in one or more modern programming languages such as Python, C++, Java, or similar

Tiger Analytics Inc.

Senior Data Engineer

Wilmington, DE · On-site

$102.90K - $139.70K/yr

Utilize programming languages like Python and Open Source RDBMS and NoSQL databases and Cloud based data warehousing services such as Redshift and Snowflake * Share your passion for staying on top of ...

Parsons Corporation

Senior Software Developer

Aberdeen, MD · On-site

$58.50 - $77.50/hr

The Senior Developer will design and implement logical, functional software code across multiple ... Proficiency in one or more modern programming languages (e.g., Python, C++, Java, C#, Go, or ...

Berkley

Sr. DevOps Platform Engineer

Wilmington, DE · On-site

$126.10K - $162.10K/yr

As a Senior DevOps Platform Engineer , you will play a critical role in ensuring the reliability ... Strong software engineering and automation skills, including proficiency in Python, Go, Bash, or ...

Parsons

Senior Software Developer

Aberdeen, MD · On-site

$58.50 - $77.50/hr

The Senior Developer will design and implement logical, functional software code across multiple ... Proficiency in one or more modern programming languages (e.g., Python, C++, Java, C#, Go, or ...

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$53.8K

$138.8K

$190.6K

How much do senior python engineer jobs pay per year?

As of May 30, 2026, the average yearly pay for senior python engineer in Newark, DE is $138,801.00, according to ZipRecruiter salary data. Most workers in this role earn between $118,800.00 and $159,800.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Senior Python Engineer, and why are they important?

To thrive as a Senior Python Engineer, you need expert knowledge of Python programming, software architecture, and experience with web frameworks, supported by a degree in computer science or related field. Familiarity with tools like Django, Flask, REST APIs, Docker, and version control systems such as Git is typically required, along with possible certifications in cloud technologies or Python itself. Strong problem-solving abilities, leadership, and effective communication skills help you lead teams and collaborate across departments. These skills ensure robust, scalable software solutions and foster innovation and efficiency within development projects.

What are the common challenges Senior Python Engineers face when leading projects, and how can they effectively address them?

Senior Python Engineers often encounter challenges such as balancing hands-on coding with overseeing project architecture, mentoring junior developers, and ensuring code quality across the team. Effectively addressing these challenges involves strong communication, setting clear coding standards, and fostering a collaborative environment through regular code reviews and knowledge-sharing sessions. Staying updated on best practices and leveraging automation tools for testing and deployment can also help streamline workflows and maintain high-quality deliverables.

What does a Senior Python Engineer do?

A Senior Python Engineer is an experienced software developer who specializes in designing, developing, and maintaining applications using the Python programming language. They often take on leadership roles within development teams, contribute to architectural decisions, and mentor junior engineers. Senior Python Engineers work on complex projects, ensure code quality, and help implement best practices to improve efficiency and reliability. Their work may span back-end development, data engineering, automation, and integrating with other technologies.
What are popular job titles related to Senior Python Engineer jobs in Newark, DE? For Senior Python Engineer jobs in Newark, DE, the most frequently searched job titles are:
What job categories do people searching Senior Python Engineer jobs in Newark, DE look for? The top searched job categories for Senior Python Engineer jobs in Newark, DE are:
Senior Python Engineer jobs near you
Infographic showing various Senior Python Engineer job openings in Newark, DE as of May 2026, with employment types broken down into 78% Full Time, 16% Part Time, 1% Temporary, 4% Contract, and 1% Nights. Highlights an 85% Physical, 5% Hybrid, and 10% Remote job distribution, with an average salary of $138,801 per year, or $66.7 per hour.

Senior Analyst - Credit Analytics Credit Execution

OneMain Financial

Wilmington, DE • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 12 days ago

OneMain Financial rating

7.6

Company rating: 7.6 out of 10

Based on 95 frontline employees who took The Breakroom Quiz

106th of 138 rated financial services

Job description

Senior Analyst - Credit Execution
Schedule: Full-Time Hybrid
Location: Wilmington, DE
We are seeking a Senior Analyst to join our Credit Analytics Credit Execution Team to support the implementation of credit and pricing-related strategies and models for the personal loans' portfolio across affiliate and partner platforms. This role will focus on delivering high-quality work products across various credit execution and decisioning operations engagements, collaborating closely with Data science, Analytics, Product, and Technology partners. You will work across platforms such as Credit Karma LightBox, Experian Activate, and other affiliate engagement channels, as well as backend decisioning platform integrations, to drive business impact through disciplined technical execution.
In the Role
  • Implement credit and pricing-related strategies into production-ready logic for personal loan origination workflows across affiliate platforms and backend decisioning systems.
  • Own end-to-end delivery, with minimum supervision, of strategy and model deployments, from requirements intake and technical specification through testing, validation, and production release.
  • Serve as the execution point of contact for affiliate platform integrations, developing and maintaining platform-specific configurations, eligibility logic, and offer presentation workflows.
  • Build and maintain Python-based scripts, data pipelines, and automation tools to support batch file generation, data extraction, eligibility processing, and reporting workflows.
  • Write and optimize SQL queries for data analysis, strategy validation, and portfolio performance monitoring across large-scale datasets.
  • Design and execute test-and-control frameworks (e.g., A/B split designs, eligibility segmentation) for new strategy rollouts and affiliate integrations.
  • Monitor deployed models and strategies and affiliate channel performance against expected benchmarks and recommend data-driven optimizations.
  • Prepare and deliver high-quality documentation, executive summaries, and evaluation materials for leadership review.
  • Proactively identify process improvement opportunities across the credit execution lifecycle and propose solutions backed by data.

Required
  • Bachelor's degree in computer science, engineering, or related quantitative field (Master's degree preferred) and 4+ years in financial services with experience in credit risk, lending operations, or decisioning.
  • Strong Python programming expertise, including proficiency with core data structures, object-oriented programming principles, and standard libraries (pandas, NumPy, requests).
  • Proficiency in SQL and experience working with large datasets (Snowflake, SQL Server, or equivalent).
  • Solid understanding of modern system architecture concepts (microservices, APIs, event-driven design).
  • Familiarity with containerization concepts (Docker, Kubernetes) and CI/CD pipelines.
  • Understanding of version control (Git) and modern software development practices.
  • Demonstrated ability to work independently with minimal oversight and drive initiatives through ambiguity.
  • Strong written and verbal communication skills with the ability to influence stakeholders and clearly articulate opportunities, trade-offs, and recommendations.

Preferred
  • Experience in credit decisioning or personal loan origination workflows within the financial services domain.
  • Familiarity with Credit Bureau data formats, basic statistics, and experience with data wrangling & visualization.
  • Exposure to LLM/AI tooling for process automation, documentation generation, or code assistance within a professional context, but not reliant upon LLM/AI.
  • Hands-on experience with Jira-based workflows, sprint capacity planning, and Agile delivery practices.

Who We Are
OneMain Financial (NYSE: OMF) is the leader in offering nonprime customers responsible access to credit and is dedicated to improving the financial well-being of hardworking Americans. Since 1912, we've looked beyond credit scores to help people get the money they need today and reach their goals for tomorrow. Our growing suite of personal loans, credit cards and other products help people borrow better and work toward a brighter future.
Driven collaborators and innovators, our team thrives on transformative digital thinking, customer-first energy and flexible work arrangements that grow lives, careers and our company. At every level, we're committed to an inclusive culture, career development and impacting the communities where we live and work. Getting people to a better place has made us a better company for over a century. There's never been a better time to shine with OneMain.
Because team members at their best means OneMain at our best, we provide opportunities and benefits that make their health and careers a priority. That's why we've packed our comprehensive benefits package for full- and some part-timers with:
  • Health and wellbeing options including medical, prescription, dental, vision, hearing, accident, hospital indemnity, and life insurances
  • Up to 4% matching 401(k)
  • Employee Stock Purchase Plan (10% share discount)
  • Tuition reimbursement
  • Paid time off (15 days' vacation per year, plus 2 personal days)
  • Paid sick leave as determined by state or local ordinance, prorated based on start date
  • Paid holidays (11 days per year, based on start date)
  • Paid volunteer time (3 days per year, prorated based on start date)

OneMain Holdings, Inc. is an Equal Employment Opportunity (EEO) employer. Qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship status, color, creed, culture, disability, ethnicity, gender, gender identity or expression, genetic information or history, marital status, military status, national origin, nationality, pregnancy, race, religion, sex, sexual orientation, socioeconomic status, transgender or on any other basis protected by law.

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