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Senior Software Engineer Jobs in Delaware (NOW HIRING)

Senior Embedded Software Engineer

Newark, DE · On-site

$121K - $158K/yr

We're looking for a Senior Embedded Software Engineer to design, develop, and maintain embedded software for our next-generation breast and skeletal health systems. In addition to core embedded ...

Senior Embedded Software Engineer

Newark, DE

$121K - $158K/yr

We're looking for a Senior Embedded Software Engineer to design, develop, and maintain embedded software for our next-generation breast and skeletal health systems. In addition to core embedded ...

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

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 ...

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 ...

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 ...

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Showing results 1-20

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 Jul 13, 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.

Are senior software engineers still in demand?

Senior software engineers remain in high demand due to ongoing digital transformation across industries, with expertise in programming languages, cloud computing, and system architecture highly valued. Companies seek experienced developers to lead projects, improve systems, and implement new technologies, ensuring strong job prospects for senior roles.

What is a good salary for a senior software engineer?

A senior software engineer's salary typically ranges from $100,000 to $160,000 annually, depending on experience, location, and industry. Higher salaries are common in tech hubs and for those with specialized skills in areas like cloud computing or machine learning.

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 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 engineers make $300,000 a year?

Senior Software Engineers with extensive experience, specialized skills in areas like machine learning or distributed systems, and often working at large tech companies or in high-cost-of-living regions can earn $300,000 or more annually. Compensation may include base salary, bonuses, and stock options, especially for those in leadership or highly technical roles.

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.

Can you make $500,000 as a software engineer?

Senior software engineers in high-demand industries or with extensive experience, specialized skills, and working in competitive markets can potentially earn $500,000 or more annually, often through base salary, bonuses, and stock options. Achieving this level typically requires advanced expertise in areas like cloud computing, machine learning, or leadership roles, along with working at large tech companies or startups with significant funding.

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.

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 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:
Infographic showing various Senior Software Engineer job openings in Delaware as of July 2026, with employment types broken down into 100% Full Time. Highlights an 100% Remote job distribution, with an average salary of $143,415 per year, or $68.9 per hour.
Sr Software Engineer - 90404987 - Onsite - Washington DC, Wilmington DE, Philadelphia PA

Sr Software Engineer - 90404987 - Onsite - Washington DC, Wilmington DE, Philadelphia PA

Amtrak

Wilmington, DE • On-site

$118K - $156K/yr

Other

Medical, Dental, Vision, Life, Retirement, PTO

Posted 22 days ago


Amtrak rating

8.0

Company rating: 8.0 out of 10

Based on 144 frontline employees who took The Breakroom Quiz

23rd of 76 rated public transport


Job description

Your success is a train ride away!

As we move America's workforce toward the future, Amtrak connects businesses and communities across the country. We employ more than 20,000 diverse, energetic professionals in a variety of career fields throughout the United States. The safety of our passengers, our employees, the public and our operating environment is our priority, and the success of our railroad is due to our employees.

Are you ready to join our team?

Our values of 'Do the Right Thing, Excel Together and Put Customers First' are at the heart of what matters most to us, and our Core Capabilities, 'Building Trust, Accountability, Effective Communication, Customer Focus, and Proactive Safety & Security' are what every employee needs to know and do to be most impactful at Amtrak. By living the Amtrak values, focusing on our capabilities, and actively embracing and fostering diverse ideas, backgrounds, and perspectives, together we will honor our past and make Amtrak a company of the future.

Job Summary

Position is Onsite 4-5 days per week and can be located in Wilmington, DE, Washington DC, or Philadelphia, PA. 

We are seeking a Senior Software Engineer to deliver high-quality software solutions that meet both functional and non-functional requirements. This role involves system analysis, development, testing, enhancement, and ongoing support of applications. The ideal candidate will contribute to continuous improvement efforts, resolve technical challenges, and collaborate across teams to ensure scalable and maintainable solutions.

Essential Functions
  • Develop and enhance software applications using modern frameworks and tools

  • Interpret functional and non-functional requirements to design and implement effective solutions

  • Perform software testing and implement automated testing strategies

  • Organize and document technical requirements clearly and thoroughly

  • Provide ongoing maintenance and support for deployed applications

  • Collaborate with customers, architects, and team members throughout the product development lifecycle

Minimum Qualifications
  • Bachelor's Degree or equivalent combination of education, training and/or relevant experience. 
  • Plus 3 years of relevant work experience.
  • Hands-on experience developing enterprise-grade applications in Java, including objectoriented design, multithreading, exception handling, and performance optimization
Preferred Qualifications
  • Bachelor's Degree or equivalent combination of education, training and/or relevant experience. 
  • Plus 5 years of relevant work experience.
Knowledge, Skills, and Abilities
  • Familiarity with core Internet technologies and modern full stack software engineering practices

  • Proficiency in Java, JavaScript, TypeScript, SQL, (Angular or React), and Node.js

  • Development experience with Spring/SpringBoot and RESTful APIs

  • Experience with distributed messaging and streaming platforms, including Kafka or RabbitMQ
  • General cloud platform experience (e.g., AWS, Azure, GCP)

  • Skilled in version control systems (e.g., Git)

  • Strong documentation and communication skills

  • Solid understanding of data structures and design patterns

  • Experience in frontend, backend, and cloud-native development

  • Familiarity with Agile methodologies (SCRUM, SAFe)

  • Understanding of information systems and application architectures

  • Ability to work under deadlines, manage multiple tasks, and adapt to changing environments

Environmental Conditions/Physical Demands

The salary/hourly range is $86,500.00 - $111,996.00. Pay is based on several factors including but not limited to education, work experience, certifications, etc. Depending on an employee's assigned worksite or location, Amtrak may consider a geo-pay differential to be applied to the employee's base salary. Amtrak may offer additional incentive and pay programs to recognize and reward our employees, including a short-term incentive bonus based upon factors such as individual and company performance that is commensurate with the level of the position and/or long-term incentive plan compensation. In addition to your salary, Amtrak offers a comprehensive benefit package that includes health, dental, and vision plans; health savings accounts; wellness programs; flexible spending accounts; 401K retirement plan with employer match; life insurance; short and long term disability insurance; paid time off; back-up care; adoption assistance; surrogacy assistance; reimbursement of education expenses; Public Service Loan Forgiveness eligibility; Railroad Retirement sickness and retirement benefits; and rail pass privileges. Learn more about our benefits offerings here.

Requisition ID:165994

Work Arrangement:06-Onsite 4/5 Days Click here for more information about work arrangements at Amtrak.
Relocation Offered:No
Travel Requirements:Up to 25%

You power our progress through your performance.

We want your work at Amtrak to be more than a job. We want your career at Amtrak to be a fulfilling experience where you find challenging work, rewarding opportunities, respect among colleagues, and attractive compensation. Amtrak maintains a culture that values high performance and recognizes individual employee contributions.


Amtrak is committed to a safe workplace free of drugs and alcohol. All Amtrak positions requires a pre-employment background check that includes prior employment verification, a criminal history check and a pre-employment drug screen.

Candidates who test positive for marijuana will be disqualified, regardless of any state or local statute, ordinance, regulation, or other law that legalizes or decriminalizes the use or possession of marijuana, whether for medical, recreational, or other use. Amtrak's pre-employment drug testing program is administered in accordance with DOT regulations and applicable law.


In accordance with DOT regulations (49 CFR 40.25), Amtrak is required to obtain prior drug and alcohol testing records for applicants/employees intending to perform safety-sensitive duties for covered Department of Transportation positions. If an applicant/employee refuses to provide written consent for Amtrak to obtain these records, the individual will not be permitted to perform safety-sensitive functions.

In accordance with federal law governing security checks of covered individuals for providers of public transportation (Title 6 U.S.C. 1143), Amtrak is required to screen applicants for any permanent or interim disqualifying criminal offenses.


Note that any education requirement listed above may be deemed satisfied if you have an equivalent combination of education, training and experience.


Amtrak is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race/color, to include traits historically associated with race, including but not limited to, hair texture and hairstyles such as braids, locks and twists, religion, sex (including pregnancy, childbirth and related conditions, such as lactation), national origin/ethnicity, disability (intellectual, mental and physical), veteran status, marital status, ancestry, sexual orientation, gender identity and gender expression, genetic information, citizenship or any other personal characteristics protected by law.


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Amtrak logo

About Amtrak

Sourced by ZipRecruiter

As we move America's workforce toward the future, Amtrak connects businesses and communities across the country. We employ more than 20,000 diverse, energetic professionals in a variety of career fields throughout the United States. The safety of our passengers, our employees, the public and our operating environment is our priority, and the success of our railroad is due to our employees.

Industry

Travel arrangement services

Company size

10,000+ Employees

Headquarters location

Washington, DC, US

Year founded

1971