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Fintech Developer Jobs in Delaware (NOW HIRING)

Best Egg

Lead Engineer II - Backend (Python)

Wilmington, DE · On-site

$100K - $135K/yr

As a Barclays company, we combine the agility and customer focus of a fintech with the global reach ... Support continuous improvement in code quality, reliability, performance, and developer experience.

Best Egg

Lead Engineer II - Backend (Python)

Wilmington, DE · On-site

$100K - $135K/yr

As a Barclays company, we combine the agility and customer focus of a fintech with the global reach ... Support continuous improvement in code quality, reliability, performance, and developer experience.

Best Egg

Decisioning Execution Analyst

Wilmington, DE · On-site +1

As a Barclays company, we combine the agility and customer focus of a fintech with the global reach ... Bachelor's degree in Statistics, Mathematics, Economics, Finance, Engineering, Computer Science ...

Best Egg

Product Designer

Wilmington, DE · On-site

As a Barclays company, we combine the agility and customer focus of a fintech with the global reach ... Partner with product, engineering, data, and insights to deliver high-quality work * Use data ...

Best Egg

Senior Product Designer

Wilmington, DE · On-site +1

$120K - $150K/yr

Partner with product, engineering, and data to deliver high-quality experiences > * Use data and ... in fintech or other transactional products > * Experience designing flows related to payments ...

Best Egg

Senior Product Designer

Wilmington, DE · On-site

$120K - $150K/yr

Partner with product, engineering, and data to deliver high-quality experiences * Use data and ... in fintech or other transactional products * Experience designing flows related to payments ...

Best Egg

Senior Product Designer

Wilmington, DE

$120K - $150K/yr

Partner with product, engineering, and data to deliver high-quality experiences * Use data and ... in fintech or other transactional products * Experience designing flows related to payments ...

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$40K

$129.5K

$158.6K

How much do fintech developer jobs pay per year?

As of Jun 3, 2026, the average yearly pay for fintech developer in Delaware is $129,460.00, according to ZipRecruiter salary data. Most workers in this role earn between $106,100.00 and $157,100.00 per year, depending on experience, location, and employer.

What is a Fintech Developer job?

A Fintech Developer is a software engineer who specializes in building financial technology applications, such as digital payments, banking platforms, trading systems, and blockchain solutions. They work with programming languages like Python, Java, or JavaScript and use APIs, cloud services, and security protocols to create secure and efficient financial systems. Their role involves designing, developing, testing, and maintaining applications to meet the evolving needs of the financial industry.

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

To thrive as a Fintech Developer, you need strong programming skills (often in languages like Python, Java, or C#), a solid understanding of financial systems, and usually a degree in computer science or a related field. Familiarity with financial APIs, cloud platforms, databases, and certifications such as Certified FinTech Professional (CFTE) can be valuable. Strong problem-solving abilities, attention to detail, and effective teamwork and communication skills help you excel in this role. These skills are crucial for building secure, scalable, and compliant financial technology solutions in a rapidly evolving industry.

What are the common challenges faced by Fintech Developers in their daily work?

Fintech Developers often deal with challenges such as keeping up with rapidly changing financial regulations, ensuring data security and privacy, and integrating complex legacy systems with new technologies. They may also need to troubleshoot and optimize code for reliability and scalability in high-transaction environments. Working in cross-functional teams with product managers, financial analysts, and compliance officers requires strong collaboration skills. These factors make adaptability and continuous learning important for long-term success in this role.
More about Fintech Developer jobs
What are popular job titles related to Fintech Developer jobs in Delaware? For Fintech Developer jobs in Delaware, the most frequently searched job titles are:
What job categories do people searching Fintech Developer jobs in Delaware look for? The top searched job categories for Fintech Developer jobs in Delaware are:
Fintech Developer jobs near you
Lead Engineer II - Backend (Python)

Lead Engineer II - Backend (Python)

Best Egg

Wilmington, DE • On-site

$100K - $135K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 28 days ago

Job description

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.
The Lead Software Engineer II - Backend plays an important role in building and enhancing backend engineering solutions across the organization. This role focuses on designing and delivering reliable, high-quality Python services on AWS while contributing to technical discussions, improving engineering practices, and supporting team execution. You will work closely with senior engineers, Product, and other backend and frontend teams to build performant, maintainable, and scalable APIs, serverless functions, and containerized services.
What You Will Do
Technical Leadership & Delivery
  • 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.

Qualifications & Experience
Technical Expertise
  • 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.

What Success Looks Like
In the first 90 days
  • 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.

In 6-12 months
  • 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.

$100,000 - $135,000 a year
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!
In compliance with the CCPA, Best Egg is fully committed to handling the personal information and data of employees and job applications responsibly with respect and due care. Review our CCPA Employee Policy here

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