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Senior Software Engineer Jobs in Landenberg, PA (NOW HIRING)

ECCLESIASTES INC

Sr. Software Engineer

Newark, DE · On-site

$120K - $159K/yr

POSITION TITLE: Sr. Software Engineer POSITION DUTIES: Analyze business user needs, design, develop and implement software applications and systems using Azure, Java, J2EE, SQL, Kubernetes, Visual ...

ECCLESIASTES INC

Sr. Software Engineer

Newark, DE · On-site

$120K - $159K/yr

POSITION TITLE: Sr. Software Engineer POSITION DUTIES: Analyze business user needs, design, develop and implement software applications and systems using Azure, Java, J2EE, SQL, Kubernetes, Visual ...

ECCLESIASTES INC

Sr. Software Engineer

Newark, DE · On-site

$120K - $159K/yr

POSITION TITLE: Sr. Software Engineer POSITION DUTIES: Analyze business user needs, design, develop and implement software applications and systems using Azure, Java, J2EE, SQL, Kubernetes, Visual ...

CGI Inc.

Senior Software Engineer

Aberdeen, MD · On-site

$131K - $173K/yr

  • Retirement

  • PTO

Senior Software Engineer Category: Software Development/ Engineering Main location: United States, Maryland, Aberdeen Position ID:J0726-0842 Employment Type: Full Time Position Description: CGI ...

Ecclesiastes, Inc.

Sr. Software Engineer

Newark, DE · On-site

$120K - $159K/yr

POSITION TITLE: Sr. Software Engineer POSITION DUTIES: Analyze business user needs, design, develop and implement software applications and systems using Azure, Java, J2EE, SQL, Kubernetes, Visual ...

MAG Aerospace

Senior Software Engineer

Aberdeen Proving Ground, MD · On-site

$131K - $172K/yr

  • Medical

  • Life

  • Retirement

  • PTO

Senior: Minimum of ten (10) years related experience * Experience with full-lifecycle software engineering, including requirements, design, coding, testing, and documentation. * Ability to work ...

MAG Aerospace

Senior Software Engineer

Aberdeen, MD · On-site

$150 - $180/hr

  • Medical

  • Life

  • Retirement

  • PTO

Senior: Minimum of ten (10) years related experience * Experience with full-lifecycle software engineering, including requirements, design, coding, testing, and documentation. * Ability to work ...

MAG Aerospace

Senior Software Engineer

Aberdeen Proving Ground, MD · On-site

$131K - $172K/yr

  • Medical

  • Life

  • Retirement

  • PTO

Senior: Minimum of ten (10) years related experience * Experience with full-lifecycle software engineering, including requirements, design, coding, testing, and documentation. * Ability to work ...

MAG Aerospace

Senior Software Engineer

Aberdeen, MD · On-site

$131K - $173K/yr

  • Medical

  • Life

  • Retirement

  • PTO

Senior: Minimum of ten (10) years related experience * Experience with full-lifecycle software engineering, including requirements, design, coding, testing, and documentation. * Ability to work ...

SAIC

Senior Software Engineer

Aberdeen Proving Ground, MD

$131K - $172K/yr

ORA_ON_SITE Description SAIC is seeking an experienced Software Engineer to support a mission ... Demonstrated ability to contribute to software design working groups, brief senior military ...

SAIC

Senior Software Engineer

Aberdeen, MD · On-site

$160K - $200K/yr

Description SAIC is seeking an experienced Software Engineer to support a mission-critical ... Demonstrated ability to contribute to software design working groups, brief senior military ...

New

SAIC

Senior Software Engineer

Aberdeen Proving Ground, MD · On-site

$131K - $172K/yr

ORA_ON_SITE Description SAIC is seeking an experienced Software Engineer to support a mission ... Demonstrated ability to contribute to software design working groups, brief senior military ...

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All JobsSoftware Engineer JobsSenior Software Engineer JobsSenior Software Engineer Jobs in Landenberg, PA

Senior Software Engineer information

See Landenberg, PA salary details

$71.6K

$135.8K

$182K

How much do senior software engineer jobs pay per year?

As of Aug 16, 2026, the average yearly pay for senior software engineer in Landenberg, PA is $135,840.00, according to ZipRecruiter salary data. Most workers in this role earn between $116,100.00 and $153,100.00 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 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 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.
More about Senior Software Engineer jobs

What are the most commonly searched types of Software Engineer jobs in Landenberg, PA?

The most popular types of Software Engineer jobs in Landenberg, PA are:

What cities near Landenberg, PA are hiring for Senior Software Engineer jobs?

Cities near Landenberg, PA with the most Senior Software Engineer job openings:

Senior Software Engineer jobs near you
Infographic showing various Senior Software Engineer job openings in Landenberg, PA as of August 2026, with employment types broken down into 1% Internship, 86% Full Time, 9% Part Time, and 4% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $135,840 per year, or $65.3 per hour.

Sr. Software Engineer

ECCLESIASTES INC

Newark, DE • On-site

$120K - $159K/yr

Full-time

Re-posted 10 days ago

Job description

POSITION TITLE: Sr. Software Engineer
 
POSITION DUTIES: 
Analyze business user needs, design, develop and implement software applications and systems using Azure, Java, J2EE, SQL, Kubernetes, Visual Studio, Apache Tomcat, JBoss, HTML, CSS, and create reports, and other documentation. Position is based out of headquarters in Newark, DE but may be assigned to various unanticipated worksites throughout the U.S. as determined by management. 
 
POSITION REQUIREMENTS: Bachelor's degree (or equivalent) in Computer Science, Computer Information Systems, Math, any Engineering, a closely related field. Foreign degree equivalent is acceptable. 5 years progressively responsible post bachelor's employment experience as a Software Engineer/Developer/Analyst or related occupations working with Azure, Java, J2EE, SQL, Kubernetes, Visual Studio, Apache Tomcat, JBoss, HTML, CSS.
 
HOURS: 40 hours/week; 9:00 a.m. – 5:30 p.m.
 
LOCATION OF EMPLOYMENT: 200 Continental  Dr., Suite 401, Newark, DE 19713. Position is based out of headquarters in Newark, DE but may be assigned to various unanticipated worksites throughout the U.S. as determined by management. 
 
CONTACT: To apply, please mail resume and cover letter referencing ‘Sr. Software Engineer – 600466’ to Venkat Manda, HR Coordinator, Ecclesiastes,  Inc., 200 Continental Dr., Suite  401, Newark, DE 19713.