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Applications Developer Jobs in Delaware (NOW HIRING)

Mindlance

.NET Developer (Onsite)

Wilmington, DE · On-site

NET Core Developer to build and maintain scalable web applications. If you're passionate about coding, cloud solutions, and working with cutting-edge tech, we want you on our team! Responsibilities:

Prophecy Technologies

Java Developer

Wilmington, DE · On-site

$49.50 - $64/hr

Create Python scripts and applications for automation, data processing, and backend services. * Collaborate with cross-functional teams including product owners, architects, QA, and DevOps engineers.

Calance US

.NET Developer- Onsite

Wilmington, DE

NET Developer to design, build, and maintain enterprise-grade web applications for a highly regulated banking environment. The ideal candidate brings strong backend development expertise in .NET ...

Saransh Inc

iOS Developer - Onsite

Wilmington, DE · On-site

$50.25 - $69.25/hr

Proven experience as an iOS developer with a strong portfolio of released applications on the App ... Store. * Proficient in Swift and Objective-C. * Experience with iOS frameworks such as Core Data ...

MM International

Java Developer

Newark, DE · On-site

$49.75 - $64.50/hr

Title: Java Developer Location: Newark, DE (3 days a week onsite) Work Authorization: Candidate ... Develop and maintain full-stack Java applications using Spring Boot and microservices architecture.

MM International

Java Developer

Newark, DE · On-site

$49.75 - $64.50/hr

Java Developer Location: Newark, DE (3 days a week onsite) Work Authorization: Candidate must be ... Develop and maintain full-stack Java applications using Spring Boot and microservices architecture.

Divit Technologies, Inc.

Mainframe Developer

Wilmington, DE · On-site

$47.50 - $61/hr

Mainframe Developer Work location: Wilmington, Delaware(Onsite) Full Time Role Years of Experience ... Maintain and enhance existing services, applications, and platforms using test-driven development ...

Saransh Inc

Android Developer - Onsite

Wilmington, DE · On-site

$54 - $71/hr

Work with backend engineers to integrate mobile applications with backend services. * Troubleshoot ... and fix application bugs and issues. * Contribute to code reviews and provide constructive feedback.

Apolis

Sr Mainframe Developer

Wilmington, DE · On-site

We are seeking an experienced Sr. Mainframe Developer with 10-16 years of experience to design, develop, and maintain enterprise banking applications. The ideal candidate should have strong hands-on ...

Apex Informatics

Java Developer

Wilmington, DE · On-site

$49.50 - $64/hr

Cloud Engineering: Deploy and manage applications on AWS using services like Lambda, EC2, ECS/EKS, and S3. * Data & APIs: Design RESTful APIs and integrate with NoSQL/Relational databases (e.g ...

Rantz Marketing

Experience with SaaS based applications or Enterprise Level portals that allow for communication ... engineering from start to finish. This is a competitive bid, once you are chosen to provide a ...

Saransh Inc

Mainframe Developer

Wilmington, DE · On-site

$47.50 - $61.25/hr

Mainframe Developer Wilmington, DE (Day 1 Onsite) Contract Job Requirements ... Prepares architecture and design documents for complex Banking applications keeping in mind design ...

Solomon Page

MuleSoft Developer

Newark, DE · On-site

$80/hr

We are seeking a MuleSoft Integration Developer to design, develop, implement, and support ... Experience integrating enterprise applications such as Salesforce, AWS, Snowflake/Enterprise Data ...

IS3 Solutions

.NET Developer

Wilmington, DE · On-site

$46.75 - $61.75/hr

NET Developer to design, build, and maintain enterprise-grade web applications for the banking industry. The ideal candidate will have strong backend development expertise in .NET and a solid ...

Arka Infotech Inc

Java Developer

Wilmington, DE · On-site

$49.50 - $64/hr

... applications Develop code to meet story acceptance criteria Conduct design and code review to ... developers Requirements: Web application development using Spring MVC / Spring web flows and ...

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Showing results 21-40

All JobsApplications Developer JobsApplications Developer Jobs in Delaware

Applications Developer information

See Delaware salary details

$17

$52

$84

How much do applications developer jobs pay per hour?

As of Aug 7, 2026, the average hourly pay for applications developer in Delaware is $52.68, according to ZipRecruiter salary data. Most workers in this role earn between $42.36 and $60.62 per hour, depending on experience, location, and employer.

How does an applications developer typically collaborate with other teams during the software development lifecycle?

Applications Developers frequently work closely with cross-functional teams, including project managers, UX/UI designers, QA testers, and system administrators. Throughout the software development lifecycle, they participate in planning meetings, share progress updates, and coordinate integration efforts to ensure the application meets business requirements and user needs. Effective communication and teamwork are essential, as developers often need to clarify technical constraints, address feedback, and support other teams in troubleshooting and deployment activities. This collaborative environment fosters innovative solutions and helps deliver high-quality applications.

What does an applications developer do?

An Applications Developer designs, builds, tests, and maintains software applications for computers, mobile devices, or web platforms. They work closely with clients or end-users to understand their needs and create user-friendly solutions that meet those requirements. Applications Developers also troubleshoot issues, update existing programs, and ensure that applications are secure and efficient. Their role often involves collaboration with other developers, project managers, and quality assurance teams.

What does an applications developer do?

An applications developer, often referred to a software applications developer, designs and produces software for smartphones and tablets. As an applications developer, you typically work as part of a development team, and your duties include working with clients and other departments at your company to produce an app that is polished and ready for public use. Qualifications needed for the job include a bachelor’s degree in computer science or a related subject and experience with various programming languages. You should be comfortable with all of the major mobile operating systems, as a successful app should work on both Apple and Android. Software development skills are essential.

What is the difference between Applications Developer vs Software Engineer?

AspectApplications DeveloperSoftware Engineer
CredentialsBachelor's in CS or related field; certifications like Microsoft Certified or Oracle CertifiedBachelor's or higher in CS or related; similar certifications often valued
Work EnvironmentDevelops, tests, and maintains specific applications; often works in teams or independentlyDesigns and develops software solutions; may oversee entire systems or projects
Industry UsageCommon in tech, finance, healthcare for application-specific rolesBroader, includes system-level and application development across industries

Applications Developers focus on creating and maintaining specific software applications, while Software Engineers work on designing and building entire software systems. Both roles require similar credentials and often overlap in work environment and industry usage, but Applications Developers tend to specialize in particular applications, whereas Software Engineers may handle larger projects and system architecture.

What are the key skills and qualifications needed to thrive as an applications developer, and why are they important?

To thrive as an Applications Developer, you need strong programming skills (e.g., Java, Python, or C#), problem-solving ability, and a relevant degree in computer science or a related field. Familiarity with integrated development environments (IDEs), version control systems like Git, and frameworks such as .NET or Angular is typically required, along with certifications like Microsoft Certified: Azure Developer Associate being advantageous. Effective communication, teamwork, and adaptability are essential soft skills for collaborating with stakeholders and responding to evolving project requirements. These competencies ensure efficient application development, seamless integration, and ongoing maintenance in dynamic technology environments.
More about Applications Developer jobs
What are the most commonly searched types of Applications Developer jobs in Delaware? The most popular types of Applications Developer jobs in Delaware are:
What are popular job titles related to Applications Developer jobs in Delaware? For Applications Developer jobs in Delaware, the most frequently searched job titles are:
What job categories do people searching Applications Developer jobs in Delaware look for? The top searched job categories for Applications Developer jobs in Delaware are:
What are popular job titles related to Applications Developer jobs in DE? For Applications Developer jobs in DE, the most frequently searched job titles are:
Applications Developer jobs near you
Infographic showing various Applications Developer job openings in Delaware as of August 2026, with employment types broken down into 1% Internship, 77% Full Time, 17% Part Time, 1% Temporary, and 4% Contract. Highlights an 88% Physical, 3% Hybrid, and 9% Remote job distribution, with an average salary of $109,584 per year, or $52.7 per hour.

Applications Development Java Programmer - Assistant Vice President

Citigroup, Inc.

New Castle, DE • On-site

$107K - $160K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 15 days ago

Citibank rating

8.3

Company rating: 8.3 out of 10

Based on 177 frontline employees who took The Breakroom Quiz

39th of 170 rated banks

Job description

This is a hands-on technical developer role for a Applications Development Java Programmer. The position requires expert-level hands-on coding and development in Java of new or revised application systems and programs. The successful candidate will develop and code for complex requirements following architectural and industry best practices.
Responsibilities:
Core Development & Technical Leadership
  • Lead the design, development, and maintenance of efficient, reusable, and reliable Java code for high-volume, low-latency applications.
  • Own and drive all phases of the development lifecycle, from technical specification to testing and deployment.
  • Architect and write well-designed, testable, and scalable code, setting the standard for software development best practices within the team.
  • Ensure and take ownership of the optimal performance, quality, and responsiveness of the applications.

Analysis, Design & Architecture
  • Lead the analysis of complex user requirements to define business objectives and architect robust technical solutions.
  • Drive architectural and design discussions, making key technical decisions to ensure robust and scalable solutions.
  • Create and own detailed technical specifications and software architecture documents.
  • Identify, evaluate, and champion the adoption of new technologies and frameworks to enhance the application stack.

Unit Testing & Code Quality
  • Define and implement comprehensive testing strategies, including unit, integration, and performance tests to ensure code quality and reliability.
  • Do peer code reviews, enforcing high standards of code quality and providing constructive feedback to the team.
  • Drive continuous improvement by investigating and implementing cutting-edge technologies and presenting them for architectural review.
Maintenance & Support
  • Ownership and accountability of the code that is delivered including problem solving during any production issues.
  • Provide expert-level technical support for applications in production, leading the resolution of critical issues in a timely manner.

Collaboration & Documentation
  • Collaborate with and influence cross-functional teams, including business analysts, project managers, and other senior developers, to deliver high-quality software.
  • Establish and enforce standards for documenting software functionality, processes, and technical specifications.
  • Communicate complex technical concepts effectively to both technical and non-technical stakeholders, providing clear updates on project status and technical challenges.

Required Qualifications:
  • 5+ years of professional Java Development experience, with significant time spent in a cloud environment.
  • Expert-level proficiency in Java, API design, and Cloud engineering principles.
  • Extensive, hands-on experience architecting and building RESTful APIs using popular frameworks like Spring and Spring Boot.
  • Deep experience with Oracle, SQL, and NoSQL databases such as MongoDB.
  • Proven experience with Cloud-native technologies, including OpenShift, Kubernetes, and messaging systems like MQ and Kafka.
  • A strong commitment to and experience in applying clean code principles and design patterns.
  • In-depth understanding and practical application of the software development lifecycle (SDLC) and Agile methodologies.
  • Proven experience with DevOps practices and building/maintaining CI/CD pipelines.
  • Demonstrated ability to lead projects and work autonomously in a fast-paced and rapidly changing environment.
  • Extensive experience in systems analysis and programming of complex software applications.
  • Proven ability to work under pressure and manage deadlines or unexpected changes in expectations or requirements.

Recommended Qualifications:
  • Significant experience in the Financial domain with a focus on Payments is a strong plus.
  • Understanding and practical experience with GenAI and LLMs is a plus.
  • Experience in architecting integrations for mainframe applications with Kafka or APIs is a plus.
  • Subject Matter Expert (SME) in at least one critical area of Applications Development.
  • Demonstrated ability to adjust priorities and strategy quickly as circumstances dictate.
  • Proven leadership, mentorship, and project management skills.
  • Consistently demonstrates clear, concise, and influential written and verbal communication.

Education:
  • Bachelor's degree/University degree or equivalent experience
  • Master's degree preferred

This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.
Job Family Group:
Technology
Job Family:
Applications Development
Time Type:
Full time
Primary Location:
New Castle Delaware United States
Primary Location Full Time Salary Range:
$107,120.00 - $160,680.00
In addition to salary, Citi's offerings may also include, for eligible employees, discretionary and formulaic incentive and retention awards. Citi offers competitive employee benefits, including: medical, dental & vision coverage; 401(k); life, accident, and disability insurance; and wellness programs. Citi also offers paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays. For additional information regarding Citi employee benefits, please visit citibenefits.com. Available offerings may vary by jurisdiction, job level, and date of hire.
Most Relevant Skills
Please see the requirements listed above.
Other Relevant Skills
For complementary skills, please see above and/or contact the recruiter.
Anticipated Posting Close Date:
May 01, 2026
Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.
If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi.
View Citi's EEO Policy Statement and the Know Your Rights poster.

What Citibank employees say

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About Citigroup Inc

Sourced by ZipRecruiter

We live in an increasingly complex world. Companies these days are either born global or are going global at record speed. Business and geopolitics are forging an entirely new dynamic and consumers now expect financial services to be a seamless part of their digital lives. Citi is a bank that’s uniquely positioned for this moment. Through our vast global network and our on-the-ground expertise, we can connect the dots, anticipate change and empathize the needs of our clients and customers in ways that other banks simply cannot. Citi's mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and economic progress. We have set expectations for how we must act to bring our mission to life. These expectations are at the heart of our Leadership Principles – we take ownership, we deliver with pride and we succeed together.

Industry

Banking and credit intermediation

Company size

5,001 - 10,000 Employees

Headquarters location

New York City, NY, US

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