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Senior Java Developer Jobs in Downingtown, PA (NOW HIRING)

Sr Java Full Stack Developer

Wilmington, DE

$51 - $65.75/hr

Job Title: Sr Java Full Stack Developer Location: Wilmington, DE Duration: 2+ years Required Experience "Minimum 10+ years Overview The people they are seeking, now, will be part of their Enterprise ...

Sr Java Full Stack Developer

Wilmington, DE · On-site

$51 - $65.75/hr

Job Title: Sr Java Full Stack Developer Location: Wilmington, DE Duration: 2+ years Required Experience "Minimum 10+ years Overview The people they are seeking, now, will be part of their Enterprise ...

Java Developer - AngularJS

Wilmington, DE · On-site

$51 - $65.75/hr

Java Developer - Angular.JS Location: Wilmington, DE Contract Length: 2 years F2F REQUIRED - LOCAL ONLY Visa copy needed for submission Requirements: Extensive experience with Java/J2EE application ...

Full Stack Java Developer

Wilmington, DE · On-site

$51 - $65.75/hr

5 to 10 years experienced Java Full Stack Developer with React & Angular experience. Job Requirements Position: Full Stack Java Developer with React/Angular Location: Wilmington, DE Work Setup: Fully ...

Java Fullstack Developer

Wilmington, DE

$51 - $65.75/hr

Full Stack Java Developer Work Arrangement : Onsite Location : Wilmington, DE / Columbus, Ohio 4 - 9 years of hands-on experience with Java development Strong experience with Spring / Spring Boot and ...

Java, J2ee, spring, spring boot, Microservices, API Qualifications Need strong consultant with microservices and spring boot apis Additional Information All your information will be kept confidential ...

Senior Java Microservices developer

Wilmington, DE · On-site

$55.50 - $70.75/hr

Java, J2ee, spring, spring boot, Microservices, API Qualifications Need strong consultant with microservices and spring boot apis Additional Information All your information will be kept confidential ...

Java with React

Wilmington, DE · On-site

$55.50 - $70.75/hr

Diverse Lynx LLC is an Equal Employment Opportunity employer, and they are seeking a Senior Full Stack developer with expertise in Java and React. The role requires strong skills in UI development ...

Sr Software Engineer - Java

King Of Prussia, PA

$124.40K - $163.80K/yr

Job Title Sr Software Engineer - Java About your role: Fiserv is a global leader in payments and ... Agile & DevOps Execution: Show proficiency in DevOps and Agile principles by actively participating ...

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Senior Java Developer information

See Downingtown, PA salary details

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How much do senior java developer jobs pay per hour?

As of May 30, 2026, the average hourly pay for senior java developer in Downingtown, PA is $65.15, according to ZipRecruiter salary data. Most workers in this role earn between $57.07 and $72.79 per hour, depending on experience, location, and employer.

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

To thrive as a Senior Java Developer, you need advanced proficiency in Java programming, experience with software design patterns, and a strong grasp of backend development, often supported by a degree in computer science or related field. Familiarity with frameworks like Spring, build tools such as Maven or Gradle, and version control systems like Git, as well as knowledge of cloud platforms, is typically required. Excellent problem-solving, leadership, and communication skills help you guide teams and collaborate effectively. These competencies are crucial for delivering robust, scalable software solutions and driving technical success within development teams.

What are some common challenges Senior Java Developers face when working on large-scale enterprise projects?

Senior Java Developers often encounter challenges such as maintaining code quality across large codebases, managing dependencies between modules, and ensuring optimal application performance. Collaborating with cross-functional teams—including QA, DevOps, and product management—requires clear communication and effective problem-solving. Additionally, staying updated with the latest Java frameworks and best practices is essential for delivering scalable and maintainable solutions in complex enterprise environments.

What are Senior Java Developers?

Senior Java Developers are experienced software engineers who specialize in using the Java programming language to design, develop, and maintain complex applications. They typically lead development teams, oversee project architecture, and ensure code quality through best practices. In addition to strong coding skills, they often mentor junior developers and collaborate with stakeholders to deliver robust software solutions. Their expertise is crucial in building scalable, high-performance applications across various industries.

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

AspectSenior Java DeveloperJava Software Engineer
Required CredentialsBachelor's in CS or related, Java certifications often preferredBachelor's in CS or related, Java certifications beneficial
Work EnvironmentTeam lead roles, project management, mentoringDevelopment-focused, coding, testing, and implementation
Employer & Industry UsageTech companies, finance, e-commerceSoftware firms, startups, enterprise IT
Common Search & ComparisonOften compared for experience level and responsibilitiesSimilar roles with slight variations in scope

The main difference between a Senior Java Developer and a Java Software Engineer lies in their responsibilities and experience. Senior Java Developers typically take on leadership, mentoring, and project management roles, while Java Software Engineers focus more on coding, development, and technical implementation. Both roles require strong Java skills and relevant credentials, but the Senior Java Developer usually has more experience and a broader scope of responsibilities.

What are the most commonly searched types of Java Developer jobs in Downingtown, PA? The most popular types of Java Developer jobs in Downingtown, PA are:
What are popular job titles related to Senior Java Developer jobs in Downingtown, PA? For Senior Java Developer jobs in Downingtown, PA, the most frequently searched job titles are:
What cities near Downingtown, PA are hiring for Senior Java Developer jobs? Cities near Downingtown, PA with the most Senior Java Developer job openings:
Infographic showing various Senior Java Developer job openings in Downingtown, PA as of May 2026, with employment types broken down into 41% Full Time, and 59% Contract. Highlights an 100% In-person job distribution, with an average salary of $135,504 per year, or $65.1 per hour.

Sr Java Full Stack Developer

Inframatix Inc

Wilmington, DE

$51 - $65.75/hr

Full-time

Posted yesterday


Job description

Company Description

InfraMatix Inc. is a Professional services and system integration company delivering IT security, identity, access management and regulatory compliance solutions leveraging 100s of years of collective experience across all major IAM vendor technologies. Focus on the strategy, design, configuration, implementation and management of its solutions for rapid success for the customers. The company seamlessly integrates software, deep professional services & expert support for all Identity Management activities, there by reduces financial, technical, and operational burden of managing Identity Management systems.
 

Job Description

Job Title: Sr Java Full Stack Developer

Location: Wilmington, DE

Duration: 2+ years

 

Required Experience "Minimum 10+ years

 

 

 

Overview

The people they are seeking, now, will be part of their Enterprise Platform Migration effort. This is a highly agile shop. The enterprise platform is built on Domain Driven design, with Event Driven architecture and Event Driven Microservices. They make extensive use of CQRS, Spring Boot and Axon. Object-oriented programming, Test-Driven Development (TDD), Behavior-Driven Development (BDD) are all a vital part of all development.

 

Candidates don't have to have this knowledge but need to have very strong object-oriented programming experience at minimum. 

 

 

** PLEASE NOTE - Candidates will be asked to complete a Coding Challenge exercise in order to be considered for this engagement. This exercise should take several hours. The candidate's response should be production-ready. (The more production-ready, the better it will appear to the review team)

 

This is the candidate's opportunity to demonstrate their Java coding skills and expertise.     

 

Main Skills / Talking points

         Passion for software engineering and software craftsman-like coding skills

         Looking for people who have built/scaled systems that service a large user base (millions).

         Object-oriented programming, Test-Driven Development (TDD), Behavior-Driven Development (BDD)

         CQRS (Command Query Responsibility Segregation)

         Event driven architecture

         Domain modeling / Domain driven design experience

         Axon Framework would be a big plus. 

         Gang-of-four design patterns (e.g. Observer, Factory, Command, Singleton, Decorator, etc.)

 

They need of people who:

         Are VERY strong, and expert, in Object-Oriented Programming

         Have a high level of enthusiasm and passion for this type of work.

         Are coding CRAFTSPEOPLE who take a great deal of pride in the efficient, high-level sophistication of their code.

         Have built/scaled systems that service a large user base (i.e. millions).  

         (in a perfect world) Contribute to Open Source projects.

They have, to this point, made a point of assembling a team of top notch developers who have experience in breaking down monolithic applications using event driven microservices. They are now looking for more.

Nice To Have  

KEY SKILLS - Need a Distributed Systems Engineer with 

         CQRS (Command Query Responsibility Segregation)

         Event driven architecture

         Domain modeling Domain driven design experience

         Axon Framework would be a big plus.  

Technologies (Strongly desired, but experience with equivalent technologies will work)

Programming Languages             Java 8, Groovy, GoLang, Cotlin, SQL, Shell

Patterns and Techniques             Domain-driven design, Command Query Responsibility Segregation

(CQRS), Event-Driven Architecture (EDA), Functional Programming

Platforms                                        OpenShift, Kubernetes, AWS

 

Soft Skills / Competencies (the more, the better)

         Passion for software engineering and software craftsman-like coding skills

         DevOps mindset

         Ability to conceptualize and develop cloud-native, production ready applications process

         Working experience with agile processes like extreme programming, lean and/or continuous delivery approaches.

         Ability to work effectively with distributed teams

         Think through hard problems and work with teams to make them reality

         Be a mentor and role model for other software engineers

         Understanding of enterprise and application architectures, software development tools and languages

Additional Information

All your information will be kept confidential according to EEO guidelines.