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

Penske

Senior Software Engineer - Digital Products

Reading, PA · On-site

$117K - $155K/yr

Position Summary As a Senior Software Engineer - Digital Products, you will play a key role within the Digital Product team, driving the design, development, and delivery of scalable SaaS solutions ...

Penske

Software Engineer I

Reading, PA · On-site

As a Software Engineer I, you will participate in all aspects of the Software Development lifecycle ... from senior engineers/leads. Collaborate with technical/business leaders and product owners to ...

Penske

Software Engineer I

Reading, PA · On-site

... senior engineers/leads. • Collaborate with technical/business leaders and product owners to ... software engineers. • Participate in conducting new hire interviews. • Influence the discovery ...

Penske

BI Software Engineer I

Reading, PA · On-site

As a BI Software Engineer I, you will participate in all aspects of the BI Software Development ... senior BI engineers/leads. Collaborate with technical/business leaders and product owners to ...

Penske

BI Software Engineer I

Reading, PA · On-site

... senior BI engineers/leads. • Collaborate with technical/business leaders and product owners to ... BI software engineers. • Participate in conducting new hire interviews. • Influence the ...

Penske

Software Engineer II - Digital Products

Reading, PA · On-site

$93K - $128K/yr

Position Summary As a Software Engineer II - Digital Products, you will play a key role within the Digital Product team, developing, enhancing, and supporting scalable SaaS and enterprise digital ...

Penske

Software Engineer II - Digital Products

Reading, PA · On-site

$93K - $128K/yr

Position Summary As a Software Engineer II - Digital Products, you will play a key role within the Digital Product team, developing, enhancing, and supporting scalable SaaS and enterprise digital ...

Soni Resources

Senior Dell Boomi Engineer

York, PA · On-site

$150K/yr

Senior Integration Engineer Overview Our client is seeking a Senior Integration Engineer to design ... The ideal candidate combines strong integration platform expertise with software engineering skills ...

Boydcorp

Senior Engineer

Lancaster, PA · On-site

$101K - $139K/yr

The Senior Engineer is responsible for conducting advanced thermal product development, analysis ... Creating 3D models, product designs, and manufacturing drawings using approved CAD software

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

Senior Software Engineer information

See Lancaster, PA salary details

$73.4K

$139.3K

$186.6K

How much do senior software engineer jobs pay per year?

As of Aug 21, 2026, the average yearly pay for senior software engineer in Lancaster, PA is $139,257.00, according to ZipRecruiter salary data. Most workers in this role earn between $119,000.00 and $157,000.00 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 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 does a senior software engineer do?

A senior software engineer designs, develops, and maintains software applications, often leading projects and mentoring junior team members. They analyze requirements, write code, perform testing, and collaborate with cross-functional teams to ensure quality and efficiency. Proficiency in programming languages, problem-solving skills, and experience with development tools are essential for this role.
More about Senior Software Engineer jobs

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

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

What are popular job titles related to Senior Software Engineer jobs in Lancaster, PA?

For Senior Software Engineer jobs in Lancaster, PA, the most frequently searched job titles are:

What job categories do people searching Senior Software Engineer jobs in Lancaster, PA look for?

The top searched job categories for Senior Software Engineer jobs in Lancaster, PA are:

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

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

Senior Software Engineer jobs near you
Infographic showing various Senior Software Engineer job openings in Lancaster, PA as of August 2026, with employment types broken down into 1% As Needed, 85% Full Time, 10% Part Time, and 4% Contract. Highlights an 90% Physical, 3% Hybrid, and 7% Remote job distribution, with an average salary of $139,257 per year, or $67 per hour.

Senior Software Engineer - Finance

Flagger Force, LLC

Hummelstown, PA • On-site

$90 - $120/hr

Other

Re-posted 9 hours ago

Flagger Force rating

5.6

Company rating: 5.6 out of 10

Based on 43 frontline employees who took The Breakroom Quiz

4th of 9 rated traffic management

Job description

Overview

Flagger Force is seeking a Sr. Software Engineer to lead the development of high-quality software solutions using the Microsoft .NET Framework. Based at our Hummelstown, PA corporate campus this senior role acts as a primary technical liaison to our Finance and Accounting departments. You will be responsible for building and maintaining software that handles sensitive financial data, ensuring that all systems are scalable, secure, and compliant with financial auditing standards.

Responsibilities
  • Financial Systems Integration: Architect and manage integrations between core traffic control applications and financial systems or ERP platforms to ensure seamless data flow for billing and payroll.
  • Data Integrity & Auditing: Implement rigorous data validation and logging protocols within SQL Server and PostgreSQL environments to maintain "source of truth" accuracy for financial reporting
  • Advanced Software Development: Design and code complex services using C#, .NET Core, WPF, and React, specifically focusing on modules for revenue tracking and financial forecasting.
  • Stakeholder Collaboration: Partner directly with the Financial team, Product Managers, and Engineering leadership to translate complex fiscal requirements into technical specifications and Jira work items.
  • Security & Compliance: Lead security reviews to ensure applications meet internal controls and data protection standards required for financial operations.
  • Quality Assurance: Develop unit tests and QA practices that specifically stress-test financial calculations and edge cases in desktop and browser-based applications.
  • Application Maintenance: Perform regular maintenance and bug fixes for existing applications and services. Troubleshoot issues and provide timely resolutions to ensure the smooth operation of Flagger Force systems.
  • Continuous Learning: Stay current with the latest trends, tools, and technologies; Look for and document ways to leverage new technology in Flagger Force and share this knowledge with other team members.
Qualifications
  • A minimum of 5 – 8 years of software development experience with a focus on .NET technologies.
  • Expert .NET Proficiency: Expert-level knowledge of C#, .NET Framework, .NET Core, and MVC for building robust enterprise services.
  • Database Mastery: Advanced ability to write efficient, complex queries in SQL Server and PostgreSQL, with a focus on transactional integrity and ACID compliance.
  • Systems Communication: Strong experience with API development for connecting disparate financial and operational software.
  • Documentation Excellence: Ability to create detailed playbooks in Confluence and designs in the enterprise wiki that outline financial logic and data mapping.
  • Problem-Solving: Exceptional analytical skills to troubleshoot discrepancies between operational data and financial outputs.
  • Financial Domain Knowledge: Proven experience developing software for finance, accounting, or payroll departments.
  • Teamwork: Ability to work independently and within a team environment.
  • Steel toed boots or the ability to obtain after employment.

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High School Diploma

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