Senior Application Developer jobs in Wilmington, DE

Philadelphia, Pennsylvania

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Today

Senior Application Developer / Technical Lead Position Summary We are seeking an experienced Senior Application Developer / Technical Lead to provide technical leadership and hands-on development across a portfolio of enterprise customer service applications. This is a contract-to-hire opportunity for a senior full-stack developer who can manage multiple applications, lead technical initiatives, and collaborate effectively with both onshore and offshore development resources. The role will have

Full-time

USD 60.00 - 65.00 per hour

Sr Application Developer

Philadelphia, Pennsylvania

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Today

Location: Philadelphia, PA Salary: $55.00 USD Hourly - $60.00 USD Hourly Description: Sr. Application Developer (Contract-to-Hire) Location: Hybrid (3 days onsite) Philadelphia, PA 19103 Job Summary: Seeking a Senior Application Developer with 5+ years of full stack development experience to lead and support multiple enterprise applications. The ideal candidate will have strong expertise in Java, Spring Boot, REST APIs, Angular/React, and Google Cloud Platform (Google Cloud Platform), along

Contract

USD 55.00 - 60.00 per hour

Sr. Application Developer I (II)

Audubon, Pennsylvania

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Today

Flexible Work Arrangement: Hybrid - Audubon, PA The Application Architecture team is transforming the way web applications are developed at PJM. Our team is responsible for developing the next generation of web applications and system integration solutions at PJM. Utilizing leading technical concepts and technologies, the group is collaboratively building application frameworks, architecture, products, and services to enable PJM's core business to be more flexible and reliable, as well as more

Full-time

Senior Application Developer

Remote or Lynnfield, Massachusetts

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Today

Job Description Senior Application Developer About the Role We are seeking a highly skilled Senior Application Developer / Technical Lead to design, develop, support, and enhance enterprise web applications using modern Microsoft technologies. The ideal candidate will have strong experience with Angular, C#, .NET, IIS, Identity Management solutions, GitHub, Azure DevOps (ADO), and application security remediation practices. This role requires a hands-on technical leader who can collaborate ac

Full-time

USD 96,250.00 - 125,000.00 per year

ITPA12 - Senior Application Developer

Remote or Lansing, Michigan

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Today

Salary: $34.45 - $49.53 Hourly Location : Lansing, MI Job Type: Permanent Full Time Remote Employment: Flexible/Hybrid Job Number: 0801-26-21-210AM Department: Technology, Management and Budget Opening Date: 09/25/2026 Closing Date: 10/9/2026 11:59 PM Eastern Bargaining Unit: NON-EXCLUSIVE REPRESENTED EMPLOYEE (NERE) Job Description The supports the business operations of state agencies through a variety of services, including building management and maintenance, information technology, centrali

Full-time

USD 34.45 - 49.53 per hour

IT Senior Application Developer (3 positions)

Remote or Olympia, Washington

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Today

Salary: $99,300.00 - $133,608.00 Annually Location : Thurston County - Olympia, WA Job Type: Full Time - Permanent Remote Employment: Flexible/Hybrid Job Number: 2026-07366 Department: Office of Financial Management Division: Information Technology Services Opening Date: 09/14/2026 Salary Information: The high end of the salary range, Step M is typically a longevity step Description Note: This recruitment is open until filled. Applications will be reviewed daily. Please submit an application bef

Full-time

USD 99,300.00 - 133,608.00 per year

Senior Application Software Developer

Plymouth Meeting, Pennsylvania

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15d ago

A company operating in the financial services industry, located in Plymouth Meeting. Description Develop and maintain software applications to meet business requirements. Collaborate with cross-functional teams to gather and analyze system requirements. Write clean, scalable, and efficient code following best practices. Conduct code reviews to ensure code quality and adherence to standards. Identify and troubleshoot software issues, providing timely resolutions. Test and debug applications to en

Full-time

Sr. Web Application Developer

Remote

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Today

Job Title: Sr. Web Application Developer Location: Indianapolis, IN Type: Contract Compensation: $58 - $70 Work Model: Remote offsite Responsibilities Lead the architecture, design, and development of modern web applications across a diverse technology stack, including .NET/C#, Node.js, and front-end frameworks (React, Angular, Vue). Design and implement scalable, cloud-native solutions using microservices and serverless architectures. Establish and enforce engineering best practices, codin

Easy Apply

Contract

$57.65

Lead Application Developer - Java

Philadelphia, Pennsylvania

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Today

Lead Application Developer - Java Summary The Lead Application Developer is a senior technical resource responsible for providing technical direction and leadership across enterprise application development initiatives while remaining actively involved in hands-on development. This role serves as a key connection point between application development teams, business stakeholders, architects, product teams, and technology leadership. The Lead Application Developer will help guide technical solu

Full-time

USD 70.00 - 75.00 per hour

Senior Java Web Application Developer

Remote

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Today

Infinite Solutions Inc. is a California-based Information Technology Solution provider specializing in delivering enterprise technology and digital transformation solutions for public-sector clients since 1997. With deep expertise in systems integration, ERP implementations, data analytics, and modernization, we support mission-critical initiatives for State and local agencies. Our team is known for combining technical excellence with a practical, results-driven approach to solving complex busin

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Contract, Third Party

Depends on Experience

Application Developer (Mid and Senior)

Philadelphia, Pennsylvania

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Today

Description Penn Medicine is dedicated to our tripartite mission of providing the highest level of care to patients, conducting innovative research, and educating future leaders in the field of medicine. Working for this leading academic medical center means collaboration with top clinical, technical and business professionals across all disciplines. Today at Penn Medicine, someone will make a breakthrough. Someone will heal a heart, deliver hopeful news, and give comfort and reassurance. Our e

Full-time

Depends on Experience

Remote Sr. Web Application Developer

Remote or Indianapolis, Indiana

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Today

Job#: 3049629 Job Description: Remote Sr. Web Application Developer Location: Remote Role Overview We are seeking a highly experienced Senior Web Application Developer to serve as a technical leader, client liaison, and AI-enabled solutions engineer. This role requires a well-rounded full-stack background across modern web technologies, including .NET/C#, JavaScript frameworks, cloud-native architectures, and emerging AI/ML integrations. The ideal candidate will act as a trusted advisor to c

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Full-time

$50 - $57 per hour

Senior Android App Developer

Remote or Post Falls, Idaho

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Today

Overview Corporate Tools is hiring a Sr. Android App Developer for $150,000/year. You will be a traditional company employee. This is a remote position, but if you're near one of our local offices, you're welcome to come hangout with us in-office as well. Our main offices are in Post Falls, ID, and Spokane, WA; we also have satellite offices in Austin, TX, and Salt Lake City, UT. You'll be working 40 hours a week and, of course, enjoy great company benefits. At this time we are only able to sup

Full-time

USD 150,000.00 per year

Senior Java Application Developer

Remote or Hybrid in Raleigh, North Carolina

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Today

There is a need for a Java Developer with Oracle experience to support the migration from SDWIS to DW-SFTIES which are both EPA software programs. Position SummaryThis position provides advanced Java development support for the Environmental Protection Agency's (EPA) Safe Drinking Water Information System (SDWIS) and the ongoing migration to the Drinking Water State-Federal-Tribal Information Exchange System (DW-SFITES). The Java Developer will serve as a key technical contributor responsible fo

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Contract

Depends on Experience

Senior Maximo Application Suite Developer/Administrator

Remote

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Today

Leidos is seeking a Sr. Maximo Application Suite 9 (MAS 9) Developer/Administrator to join an established team supporting a cloud hosted enterprise MAS 9 implementation for multiple programs supporting DHS and TSA. In this role, you'll work collaboratively to maintain and operate the program's environments. Position will be responsible for installing, supporting, and maintaining Red Hat OpenShift and MAS 9 implementations and will help automate and streamline our operations and processes, troubl

Full-time

USD 116,350.00 - 210,325.00 per year

Senior Mobile Application Developer

Remote

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Today

Job Title: Senior Mobile Application Developer Job Location: Remote Job Type: Full Time Job Description: Develop and maintain mobile applications for iOS and Android. Build reusable and scalable mobile application components. Integrate mobile applications with REST APIs and Azure-based backend services. Implement authentication, authorization, and secure token management. Develop push notifications, offline functionality, caching, and local storage. Integrate device features such as camera, G

Full-time

Senior Mobile App Developer

Remote

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Today

Role: Senior Mobile App Developer (Cross-Platform iOS & Android) Role Type : Contract Location : Remote Must Have : Ionic Framework with React JS About the Role We are looking for a technically strong Mobile App Developer to join our team and take ownership of an existing cross-platform application built on the Ionic Framework with React JS. The ideal candidate will have hands-on experience diagnosing and resolving critical production issues particularly app crashes and performance/slowness pr

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Contract

65 - 70

Senior Application Engineer (MicroE)

Remote or Trevose, Pennsylvania

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Today

Company Description Veolia Group is a global leader in environmental services, operating across all five continents with nearly 218,000 employees. Specializing in water, energy, and waste management, Veolia Group designs and implements innovative solutions for decarbonization, depollution, and resource regeneration, supporting communities and industries in their ecological transformation. Within this framework, Veolia's Water Technology Business brings together a dedicated team of experienced

Full-time

USD 109,296.00 - 154,814.00 per year

TSD Application Developer - Lead (Senior/Specialist) | Two Positions

Remote or Lacey, Washington

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Today

Salary : $99,300.00 - $133,608.00 Annually Location : Thurston County - Lacey, WA Job Type: Full Time - Permanent Remote Employment: Flexible/Hybrid Job Number: 26DOT-HQ-04768m Department: Dept. of Transportation Division: Headquarters Opening Date: 10/01/2026 Closing Date: 10/12/2026 11:59 PM Pacific Description About WSDOT The Washington State Department of Transportation (WSDOT) is a multimodal agency with a global reputation for excellence. Our dedicated workforce plans, designs, builds, an

Full-time

USD 99,300.00 - 133,608.00 per year

SENIOR APPLICATION DEVELOPER

Remote

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Today

Job Overview: Customer: Internal Revenue Services (IRS) Location: Remote, with occasional onsite support for meetings, deployments, production activities, or knowledge transfer as required. Clearance: No clearance required. Position Summary: Lead the design, development, modernization, and support of enterprise middleware and API integration services supporting the Internal Revenue Service (IRS). This position will provide technical leadership for enterprise integration solutions utilizing J

Full-time

Senior Application Developer jobs in Wilmington, DE, USA