Top 8 Mid/senior java developer Jobs in King Of Prussia, Pa

Senior Front-End Software Engineer
CACI —King of Prussia, PA
- $75,200 - $158,100 a year
- Full-time
- Computer science
- Azure
- Computer Science
- Health insurance
5d
Software Engineer Sr
Lockheed Martin Corporation —King of Prussia, PA
- $93,200 - $164,450 a year
- Full-time
- Java
- Senior level
- Communication skills
- Paid jury duty
- Paid holidays
Senior Backend Software Engineer
CACI —King of Prussia, PA
- $82,100 - $172,400 a year
- Full-time
- Azure
- Computer Science
- 5 years
- Health insurance
Java Software Engineer - Level 3
Lockheed Martin Corporation —King of Prussia, PA
- Full-time
- Azure
- Office
- Java
- Paid jury duty
- Paid holidays
Software Engineer Sr - Top Secret Clearance Required to Start
Lockheed Martin Corporation —King of Prussia, PA
- Full-time
- Computer science
- Azure
- Computer Science
- Paid jury duty
- Paid holidays
Senior Data Engineer (AWS, Azure, GCP)
CapTech Consulting —Philadelphia, PA
- Full-time
- 5 years
- DevOps
- Office
- Loan repayment program
- Disability insurance
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Sr. Software Engineer
Subaru of America —Camden, NJ
- $110,400 - $125,000 a year
- Full-time
- Computer science
- Computer Science
- Bachelor of Science
- Profit sharing
- Paid holidays

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Senior Front-End Software Engineer

CACI -
King of Prussia, PA

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Job Details

Full-time
$75,200 - $158,100 a year
5 days ago

Benefits

Health insurance

Qualifications

Version control
Software engineering
Test Automation Development (Quality assurance practices)
Application deployment
Bachelor's degree
System deployment
DevOps automation

Full Job Description

Job ID

328192

Job Title: Senior Front-End Software Engineer

Job Category: Information Technology

Time Type: Full time

Minimum Clearance Required to Start: Secret

Employee Type: Regular

Percentage of Travel Required: Up to 10%

Type of Travel: Continental US

Anticipated Posting End: 8/31/2026

The Opportunity:

We are seeking a talented and motivated Front-End Software Engineer to join our dynamic development team.

This role is ideal for an early to mid-career developer who is passionate about building scalable, reliable, and high-performance front-end services for mission applications. You will be responsible for designing, deploying, and testing a software UI for one of the missions software services that run within a modern orchestration.

If you are eager to learn, enthusiastic about problem-solving, and ready to make a significant impact on our core product architecture, we would love to hear from you!

Responsibilities:

As a Senior Software Engineer, your responsibilities include:

Design a front end user interface for an existing application that can be deployed within a modular system
Participate in customer working group to extract user needs and develop wire frame diagrams of the user interface
Work within a software development team to relay user needs to back end developers
Create E2E for verifying UI functionality
Participate in usability events to validate the user interface

Required Qualifications:

Active Secret U.S. Government Security Clearance
Bachelor's degree in computer science or related field
At least 5 years of professional software development experience and working proficiency in Python and/or Java
Experience with lightweight frameworks such as FastAPI, Flask, Quarkus, or Spring Boot
Proficiency with software packaging tools (uv, pip, Maven, etc)
Comprehensive testing experience, including unit tests (e.g., pytest, JUnit), system tests, and integration tests
Proficiency with various data storage solutions (PostgreSQL, MongoDB, AWS or Azure cloud storage services)
Experience with source control tools (e.g., Git, GitLab)
Experience implementing and managing CI/CD pipelines using tools such as GitLab CI/CD or Jenkins
Experience containerizing and deploying applications using Docker and Kubernetes
Ability to work in office

Preferred Qualifications:

Knowledge of application development supporting Command and Control ground systems
In-depth knowledge of and practical experience with standard AWS managed services (S3, ECS, EC2, Lambda, Step Functions, DynamoDB, OpenSearch)
Experience with ArgoCD or GitOps deployment workflows
Experience with Government Clouds (e.g., GovCloud, C2S)
Experience with DevSecOps and Agile Scrum software development methodology, including tools like Jira and Confluence
IAT Level II or III certification (e.g., Security+, CISSP, or CASP)

What You Can Expect:

A culture of integrity.

At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.

An environment of trust.

CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.

A focus on continuous growth.

Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy.

Pay Range:

There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.

Since this position can be worked in more than one location, the range shown is the national average for the position.

The proposed salary range for this position is:

$75,200-$158,100

CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.

Apply Now

Refine Your Search

mid/senior java developer jobs in king of prussia, pa

Senior Front-End Software Engineer

Software Engineer Sr

Senior Backend Software Engineer

Java Software Engineer - Level 3

Software Engineer Sr - Top Secret Clearance Required to Start

Senior Data Engineer (AWS, Azure, GCP)

Sr. Software Engineer

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