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Senior Integration Developer Jobs in Delaware (NOW HIRING)

WSFS Bank

Senior .Net Software Developer

Newark, DE · On-site

$53.25 - $70.50/hr

They are seeking a Senior .Net Software Developer responsible for the analysis, design, development ... , etc. • Proven ability to successfully deliver high-quality, complex systems using Software ...

WSFS Bank

Senior .Net Software Developer

Newark, DE · On-site

$53.25 - $70.50/hr

They are seeking a Senior .Net Software Developer responsible for the analysis, design, development ... , etc. • Proven ability to successfully deliver high-quality, complex systems using Software ...

WSFS Bank

Senior .Net Software Developer

Newark, DE · On-site

$53.25 - $70.50/hr

They are seeking a Senior .Net Software Developer responsible for the analysis, design, development ... , etc. • Proven ability to successfully deliver high-quality, complex systems using Software ...

Elevance Health

BI Developer Senior

Wilmington, DE · Hybrid

BI Developer Senior Location: This role requires associates to be in-office 1 - 2 days per week ... Aids in integrating activities with other IT departments for successful implementation and support ...

Wsfsbank

Senior Salesforce Software Engineer

Wilmington, DE · On-site +1

$121K - $149K/yr

... developer to maximize the experience of the CRM and financial services cloud. This role will be ... This role will also integrate Salesforce with existing systems, including MuleSoft to ensure data ...

WSFS Bank

Senior Salesforce Software Engineer

Wilmington, DE · On-site

$121K - $149K/yr

... developer to maximize the experience of the CRM and financial services cloud. This role will be ... This role will also integrate Salesforce with existing systems, including MuleSoft to ensure data ...

WSFS Bank

Senior Salesforce Software Engineer

Wilmington, DE · On-site +1

$121K - $149K/yr

... developer to maximize the experience of the CRM and financial services cloud. This role will be ... This role will also integrate Salesforce with existing systems, including MuleSoft to ensure data ...

New

Corporation Service Company

Senior Systems Engineer

Dover, DE · On-site +1

$104K - $142K/yr

Senior Systems Engineer - Network Engineering Wilmington, DE Monday - Friday 8:00 AM - 5:00 PM ... Integrating network automation solutions with existing tools and systems to enhance operational ...

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Showing results 21-40

All JobsIntegration Developer JobsSenior Integration Developer JobsSenior Integration Developer Jobs in Delaware

Senior Integration Developer information

See Delaware salary details

$21.5K

$118.1K

$171.1K

How much do senior integration developer jobs pay per year?

As of Aug 21, 2026, the average yearly pay for senior integration developer in Delaware is $118,088.00, according to ZipRecruiter salary data. Most workers in this role earn between $91,100.00 and $146,600.00 per year, depending on experience, location, and employer.

What does a senior integration developer do?

A Senior Integration Developer is responsible for designing, developing, and maintaining solutions that enable different software systems to communicate and work together efficiently. They work with APIs, middleware, and integration platforms to connect diverse applications within an organization or with external partners. Their role often includes troubleshooting integration issues, ensuring data consistency, and optimizing performance. Additionally, they may mentor junior developers and collaborate with business stakeholders to understand integration requirements.

What are the key skills and qualifications needed to thrive as a senior integration developer, and why are they important?

To thrive as a Senior Integration Developer, you need in-depth expertise in application integration, API development, and systems architecture, typically supported by a computer science degree and several years of relevant experience. Familiarity with integration platforms (such as MuleSoft, Dell Boomi, or IBM Integration Bus), cloud services, and proficiency in languages like Java or Python are common technical requirements. Strong problem-solving skills, effective communication, and the ability to collaborate across teams are essential soft skills in this role. These skills ensure seamless system interoperability, efficient data flow, and successful project delivery within complex enterprise environments.

What are some common challenges faced by senior integration developers when working with multiple systems?

Senior Integration Developers often encounter challenges such as dealing with legacy systems that lack modern API support, managing data consistency across disparate platforms, and ensuring secure data transmission. Additionally, they must troubleshoot integration failures quickly to minimize business disruption and collaborate closely with other development, QA, and infrastructure teams. Staying current with evolving integration tools and best practices is also essential for delivering robust solutions.

What is the difference between Senior Integration Developer vs Integration Engineer?

AspectSenior Integration DeveloperIntegration Engineer
CredentialsBachelor's in CS or related, often with certifications like MuleSoft, Dell BoomiBachelor's in CS or related, similar certifications
Work EnvironmentSoftware development teams, project-basedIT operations, system integration teams
Industry UsageTech, finance, healthcare, enterprise softwareTech, manufacturing, telecom, enterprise sectors
Search & ComparisonOften compared for seniority and technical scopeCompared for operational vs development focus

Senior Integration Developers typically focus on designing and leading complex integrations, requiring advanced coding and architecture skills. Integration Engineers often handle the implementation and maintenance of integrations, emphasizing operational support. Both roles share similar credentials but differ in scope and responsibilities, with Senior Integration Developers usually taking a more strategic and leadership role in integration projects.

How much do senior integration developers make?

Senior integration developers typically earn between $90,000 and $130,000 annually, depending on experience, location, and industry. They often have expertise in tools like MuleSoft, Dell Boomi, or Informatica and may hold certifications that can influence salary levels.

What is a senior integration developer?

A senior integration developer designs, develops, and maintains software integrations between different systems and applications. They typically have expertise in APIs, middleware, and scripting languages, and often lead integration projects, ensuring data flows smoothly across platforms. Strong problem-solving skills and experience with integration tools like MuleSoft, Dell Boomi, or Informatica are common requirements.

What are popular job titles related to Senior Integration Developer jobs in Delaware?

For Senior Integration Developer jobs in Delaware, the most frequently searched job titles are:

What job categories do people searching Senior Integration Developer jobs in Delaware look for?

The top searched job categories for Senior Integration Developer jobs in Delaware are:

What cities in Delaware are hiring for Senior Integration Developer jobs?

Cities in Delaware with the most Senior Integration Developer job openings:

What are popular job titles related to Senior Integration Developer jobs in DE?

For Senior Integration Developer jobs in DE, the most frequently searched job titles are:

Senior Integration Developer jobs near you
Infographic showing various Senior Integration Developer job openings in Delaware as of August 2026, with employment types broken down into 88% Full Time, 8% Part Time, and 4% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $118,088 per year, or $56.8 per hour.

Senior Java Developer - Vice President

Citigroup, Inc.

New Castle, DE • On-site

$125K - $188K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 21 days ago

Citibank rating

8.3

Company rating: 8.3 out of 10

Based on 177 frontline employees who took The Breakroom Quiz

38th of 171 rated banks

Job description

The Sr Java Applications Development is a senior level position responsible for establishing and implementing new or revised application systems and programs as individual contributor. The overall objective of this role is to build and code frameworks and services that are reusable for complex requirements.
Responsibilities:
  • Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary system enhancements to deploy new products and process improvements
  • Resolve variety of high impact problems/projects through in-depth evaluation of complex business processes, system processes, and industry standards
  • Provide expertise in area and advanced knowledge of applications programming and ensure application design adheres to the overall architecture blueprint
  • Utilize advanced knowledge of system flow and develop standards for coding, testing, debugging, and implementation
  • Develop comprehensive knowledge of how areas of business, such as architecture and infrastructure, integrate to accomplish business goals
  • Provide in-depth analysis with interpretive thinking to define issues and develop innovative solutions
  • Serve as advisor or coach to mid-level developers and analysts, allocating work as necessary
  • Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency.

Required Qualifications:
  • Proficiency in programming in Java, API, Cloud engineering
  • Hands on experience of building RESTful APIs using popular frameworks like Spring
  • Experience in Oracle , SQL , NoSql - MongoDB
  • Experience in Cloud - Openshift Kubernetes , Messaging systems - MQ , Kafka
  • Experience of following clean code principles
  • Solid understanding of software development lifecycle (SDLC) and Agile methodologies.
  • Knowledge of DevOps practices and CI/CD pipelines.
  • Able to independently work in fast paced and rapidly changing environment
  • Experience in systems analysis and programming of software applications
  • Ability to work under pressure and manage deadlines or unexpected changes in expectations or requirements

Recommended Qualifications:
  • Experience in Financial domain with focus on Payments is a plus
  • Understanding of GenAI, LLMs is a plus
  • Experience in integrating mainframe applications with Kafka or API is a plus
  • 6+ years of relevant experience in Apps Development or systems analysis role
  • Extensive experience system analysis and in programming of software applications
  • Experience in managing and implementing successful projects
  • Subject Matter Expert (SME) in at least one area of Applications Development
  • Ability to adjust priorities quickly as circumstances dictate
  • Demonstrated leadership and project management skills
  • Consistently demonstrates clear and concise written and verbal communication

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

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:
$125,760.00 - $188,640.00
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:
Jun 09, 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.

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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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