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Senior Software Engineer Jobs in Delaware (NOW HIRING)

Best Egg

Lead Software Engineer I

Wilmington, DE

Works closely with senior leaders to shape solutions. * Ensure software follows modern engineering practices, including clean code, testing, automation, and cloud-native patterns. * Support ...

New

Wsfsbank

Senior .Net Software Developer

Newark, DE

$75.50K - $124.04K/yr

The Senior Software Developer .NET is responsible for complex analysis, design, design review, development, code review, and unit testing from user requirements of custom software applications for ...

WSFS Bank

Senior .Net Software Developer

Newark, DE · On-site

$75.50K - $124.04K/yr

The Senior Software Developer .NET is responsible for complex analysis, design, design review, development, code review, and unit testing from user requirements of custom software applications for ...

WSFS Bank

Senior .Net Software Developer

Newark, DE

$75.50K - $124.04K/yr

The Senior Software Developer .NET is responsible for complex analysis, design, design review, development, code review, and unit testing from user requirements of custom software applications for ...

Imagine Staffing Technology

Software Engineer

Wilmington, DE · Hybrid

$51.31 - $85.51/hr

Software Engineer II Location: Wilmington, DE Hire Type: Contingent, 12 months Pay Range: $51.31 - $85.51/hour Work Model: Hybrid (4 days on site) Work Schedule: Monday Friday, 8am 5pm NO C2C, C2H or ...

Ecclesiastes, Inc.

Software Engineer

Newark, DE · On-site

Software Engineer POSITION DUTIES: Design, develop, implement, validate and maintain software systems and perform system automation, orchestration, test, and continuous integration. Build ...

Mondo

Lead Software Engineer

Wilmington, DE · Hybrid

$65 - $73/hr

Lead Software Engineer Location-Type: Wilmington, DE - Hybrid 3 days onsite Start Date Is: June 22 Duration: 6 month contract to hire Compensation Range: $65-73/HR W2 Benefits: Eligible for Health ...

New

JPMorganChase

Lead Software Engineer

Wilmington, DE · On-site

JPMorgan Chase is a leading financial services firm that is seeking a Lead Software Engineer within the Consumer and Community Banking division. The role involves enhancing, building, and delivering ...

M&T Bank

Software Engineer II

Wilmington, DE · On-site

$153.36K - $161.83K/yr

Title: Software Engineer II Job Location: 1100 North Market Street, Wilmington, DE 19801. Position requires in-office work four (4) days every week. Develop, design, and support ETL processes.

M&T Bank

Software Engineer II

Wilmington, DE

$153.36K - $161.83K/yr

Title: Software Engineer II Job Location: 1100 North Market Street, Wilmington, DE 19801. Position requires in-office work four (4) days every week. Develop, design, and support ETL processes.

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Senior Software Engineer information

See Delaware salary details

$75.6K

$143.4K

$192.2K

How much do senior software engineer jobs pay per year?

As of May 29, 2026, the average yearly pay for senior software engineer in Delaware is $143,415.00, according to ZipRecruiter salary data. Most workers in this role earn between $122,600.00 and $161,600.00 per year, depending on experience, location, and employer.

What Is a Senior Software Engineer?

A senior software engineer designs, codes, tests, and maintains computer software. While these are your primary responsibilities as a senior software engineer, you may also have supervisory duties. These include overseeing a team of junior software engineers or developers. The senior software engineer title is sometimes used interchangeably with senior developer, and positions for both may share similar job duties and responsibilities. In general, software engineers are distinguished from developers in that software engineers apply engineering principles to software development.

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

To thrive as a Senior Software Engineer, you need advanced programming skills, deep understanding of software architecture, and several years of experience in software development, often supported by a relevant degree. Familiarity with tools like Git, CI/CD pipelines, cloud platforms, and expertise in technologies such as Java, Python, or JavaScript are typically required. Leadership, problem-solving, and effective communication are crucial soft skills for mentoring teams and collaborating across departments. These skills ensure the delivery of robust, scalable solutions and drive successful project outcomes in complex technical environments.

What are some common challenges Senior Software Engineers face when mentoring junior team members?

Senior Software Engineers often mentor junior colleagues, which can be incredibly rewarding but also presents challenges. Balancing mentorship with project deadlines can be demanding, as it requires strong time management and communication skills. Additionally, adapting explanations to different learning styles and levels of experience can be tricky. However, effective mentorship helps build a stronger team and can lead to enhanced leadership opportunities for the senior engineer.

What are Senior Software Engineers?

Senior Software Engineers are experienced professionals who design, develop, and maintain complex software systems. They often lead technical projects, mentor junior team members, and make architectural decisions. Their role involves collaborating with stakeholders to understand requirements, ensuring code quality, and staying up-to-date with the latest technologies. Senior Software Engineers are expected to have strong problem-solving skills and a deep understanding of software development best practices.

What is the difference between Senior Software Engineer vs Software Developer?

AspectSenior Software EngineerSoftware Developer
CredentialsBachelor's or higher in CS or related field; experience often 5+ yearsBachelor's in CS or related field; entry to mid-level experience
Work EnvironmentDesigning complex systems, leading projects, mentoringWriting code, developing features, debugging
Industry UsageUsed across tech companies, startups, enterpriseCommon in software firms, startups, freelance work
Search & ComparisonOften compared for experience level, responsibilitiesCompared for entry-level to mid-level roles

The main difference between a Senior Software Engineer and a Software Developer lies in experience, responsibilities, and scope. Senior Software Engineers typically have more experience, lead projects, and mentor others, while Software Developers focus on coding and feature development. Both roles are essential in tech companies, but the Senior Software Engineer position involves higher-level planning and leadership.

More about Senior Software Engineer jobs
What are the most commonly searched types of Software Engineer jobs in Delaware? The most popular types of Software Engineer jobs in Delaware are:
What are popular job titles related to Senior Software Engineer jobs in Delaware? For Senior Software Engineer jobs in Delaware, the most frequently searched job titles are:
What job categories do people searching Senior Software Engineer jobs in Delaware look for? The top searched job categories for Senior Software Engineer jobs in Delaware are:
What cities in Delaware are hiring for Senior Software Engineer jobs? Cities in Delaware with the most Senior Software Engineer job openings:
What are popular job titles related to Senior Software Engineer jobs in DE? For Senior Software Engineer jobs in DE, the most frequently searched job titles are:
Senior Software Engineer jobs near you
Infographic showing various Senior Software Engineer job openings in Delaware as of May 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $143,415 per year, or $68.9 per hour.
Lead Software Engineer I

Lead Software Engineer I

Best Egg

Wilmington, DE

Full-time

Posted yesterday

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 I 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.
  • 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.
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.
What You Bring
  • 3-5 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.

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  hereÂ