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Senior Java Engineer Jobs in Delaware (NOW HIRING)

Sr. Java Engineer

Wilmington, DE · On-site

$121K - $159K/yr

Job Summary : Keylent Inc is seeking a Sr. Java Engineer to join their team in Wilmington, DE. The role involves strong core Java development, expertise in Spring Boot and microservices, and ...

Senior Java Developer

Newark, DE · On-site

$56 - $71.25/hr

Role: Sr. Java Developer Location: Newark, DE Onsite position Fulltime position *****NO C2C***** *****only Fulltime position***** JD: Skill: Sr. Java Developer Must Have Technical/Functional Skills:

Senior Java Developer

Newark, DE · On-site

$56 - $71.25/hr

Role: Sr. Java Developer Location: Newark, DE Onsite position Fulltime position JD Skill: Sr. Java Developer * Experienced in building highly scalable Java and J2EE applications. * Good experience in ...

Sr Java Developer

Wilmington, DE · On-site

$55.50 - $70.75/hr

Must have experience with NoSQL/MongoDB/Cassandra and heavy Java ... P We are looking for a Senior Solutions Engineer for Performance and Enterprise Engineering group ...

Sr. Java Developer

Newark, DE · On-site

$56 - $71.25/hr

Virtual Drive is planned on Tuesday May 6th from 10 am to 5 pm EST Role: Sr. Java Developer Location: Newark, DE Job Type: Fulltime JD: Must Have Technical/Functional Skills: * Experienced in ...

Senior Java Developer

Wilmington, DE · On-site

$55.50 - $70.75/hr

Senior Java Developer (Spring Boot, PySpark & AWS) Location: Wilmington, DE * Total IT experience - 10+ years. * Strong expertise in Spring Boot and Microservices. * Deep hands-on experience in ...

Role: Sr. Java Developer Location: Newark, DE Onsite position Fulltime position JD Skill: Sr. Java Developer * Experienced in building highly scalable Java and J2EE applications. * Good experience in ...

Senior Java Developer

New Castle, DE · On-site

$55.50 - $70.75/hr

Hiring Alert | Senior Java Developer - Microservices & Cloud Location: New Castle, DE / Jersey City, NJ / Tampa, FL (Onsite) Employment Type: Full-Time Experience Required: 8-14 Years Visa Type: USC ...

Sr. Java Backend Developer

Wilmington, DE · On-site

$49 - $63.50/hr

Sr. Java Developer Wilmington, DE/NYC/Atlanta, GA Need resumes. Resource with 10-15 years hands on and preferably able to lead teams. Working with distributed systems • Strong Java programming ...

Java Developer(mid-level)

Wilmington, DE · On-site

$49.50 - $64/hr

Sr. Java Developer Wilmington, DE/NYC/Atlanta, GA • Strong Java programming skills • 5-9 years practical software development experience • Robust object-oriented design pattern knowledge and ...

Sr. Java Developer

Wilmington, DE · On-site

$55.50 - $70.75/hr

They are in search of a highly motivated candidate to join their talented team as a Sr. Java Developer, responsible for executing software solutions, design, development, and technical ...

Java Developer

Newark, DE · On-site

$80K - $100K/yr

... Sr Java Developer in Contact Center technology, you'll create, enhance, and support an ecosystem of ... The Software Engineer will partner constantly with various stakeholders while applying your ...

senior java developer

Delaware City, DE · On-site

$55.25 - $70.50/hr

Competence in using Java IDE tools of Eclipse, GGTS, Rational Application Developer (RAD), WebSphere Application Developer (WSAD) and Web Logic Workshop to develop dynamic web applications. Good ...

Sr. Java Developer

Wilmington, DE · On-site

$55.50 - $70.75/hr

Provide expert knowledge and guidance for acquisition related backend Java and/or frontend Web features. Ensure that the development teams are adhering to the client SDLC process. Provide technical ...

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Senior Java Engineer information

See Delaware salary details

$11

$62

$86

How much do senior java engineer jobs pay per hour?

As of Sep 9, 2026, the average hourly pay for senior java engineer in Delaware is $62.88, according to ZipRecruiter salary data. Most workers in this role earn between $55.10 and $70.24 per hour, depending on experience, location, and employer.

What is a senior Java engineer?

Senior Java Engineers are experienced software developers who specialize in designing, developing, and maintaining applications using the Java programming language. They often lead development teams, architect solutions, and ensure that software meets both technical and business requirements. Their responsibilities also include code reviews, mentoring junior developers, and optimizing application performance. Typically, they have several years of experience and a deep understanding of Java frameworks and best practices.

What are the key skills and qualifications needed to thrive as a senior Java engineer?

To thrive as a Senior Java Engineer, you need advanced proficiency in Java programming, strong knowledge of software design patterns, and a degree in computer science or related field. Experience with frameworks like Spring, Hibernate, build tools such as Maven or Gradle, and familiarity with cloud platforms and CI/CD systems are typically required. Excellent problem-solving abilities, leadership, and effective communication help you guide teams and collaborate with stakeholders. These skills are crucial for delivering robust, scalable software solutions and mentoring junior engineers in complex development environments.

What are some common challenges senior Java engineers face when working on large-scale enterprise applications?

Senior Java Engineers often encounter challenges such as managing complex codebases, ensuring application scalability, and maintaining high performance under heavy loads. They are also responsible for implementing robust security practices and integrating new technologies without disrupting existing systems. Effective collaboration with cross-functional teams and mentoring junior developers are crucial aspects of the role, as these responsibilities help maintain code quality and project momentum.

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

AspectSenior Java EngineerJava Developer
Required CredentialsBachelor's in Computer Science, Java certifications (e.g., Oracle Certified Professional)Bachelor's in Computer Science or related field, Java certifications optional
Work EnvironmentDesigning, developing, and maintaining complex Java applications, often in team leadership rolesDeveloping Java applications, focusing on coding and implementation
Industry UsageUsed across finance, tech, and enterprise sectors for large-scale projectsCommonly employed in software development firms, startups, and tech companies

While both roles involve Java programming, Senior Java Engineers typically handle complex system design, mentorship, and project leadership, whereas Java Developers focus more on coding and implementing features. The senior role often requires more experience and certifications, with a broader scope of responsibilities.

What are the most commonly searched types of Java Engineer jobs in Delaware?

The most popular types of Java Engineer jobs in Delaware are:

What are popular job titles related to Senior Java Engineer jobs in Delaware?

For Senior Java Engineer jobs in Delaware, the most frequently searched job titles are:

What job categories do people searching Senior Java Engineer jobs in Delaware look for?

The top searched job categories for Senior Java Engineer jobs in Delaware are:

What cities in Delaware are hiring for Senior Java Engineer jobs?

Cities in Delaware with the most Senior Java Engineer job openings:

What are popular job titles related to Senior Java Engineer jobs in DE?

For Senior Java Engineer jobs in DE, the most frequently searched job titles are:

Infographic showing various Senior Java Engineer job openings in Delaware as of August 2026, with employment types broken down into 88% Full Time, 6% Part Time, and 6% Contract. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution, with an average salary of $130,794 per year, or $62.9 per hour.

Sr. Java Engineer

Wilmington, DE • On-site

Keylent Inc
Internet and IT • 11 - 50 employees

$121K - $159K/yr

Full-time

Re-posted 7 days ago


Job description

Job Summary:
Keylent Inc is seeking a Sr. Java Engineer to join their team in Wilmington, DE. The role involves strong core Java development, expertise in Spring Boot and microservices, and experience with Docker, Kubernetes, and AWS.
Responsibilities:
• Strong core java development expertise
• Strong Spring boot, micro services expertise
• Docker/Kubernetes experience
• Multi Threading Experience
• Need Kafka Experience
• AWS Experience using EMR, S3 etc..
• Experience in building batch or streaming or low latency applications experience using java as foundation
• Experience in working in data centric environment, able to analyze the data as part of the development
Qualifications:
Required:
• Strong core java development expertise
• Strong Spring boot, micro services expertise
• Docker/Kubernetes experience
• Multi Threading Experience
• Need Kafka Experience
• AWS Experience using EMR, S3 etc.
• Experience in building batch or streaming or low latency applications experience using java as foundation
• Experience in working in data centric environment, able to analyze the data as part of the development
Preferred:
• Core Java
• AWS
• spring boot
• Multi Threading
• Micro Services
• Kafka
Company:
Keylent provides Software Development Services in the Cloud, Analytics and Digital Transformation space. Founded in 2010, the company is headquartered in Wilmington, USA, with a team of 201-500 employees. The company is currently Growth Stage.

Keylent logo

About Keylent

Sourced by ZipRecruiter

Keylent Inc, based in Wilmington, DE, US, operates in the dynamic IT services and solutions industry. Their official platform, keylent.com, further details their robust suite of services which primarily comprise software consulting, quality assurance, project management, and business intelligence. Keylent Inc has been an integral part of the industry since its inception, serving diverse clients with their specialized, innovative IT solutions. This customer-centric firm is founded on the core values of reliability, integrity, and zealous innovation. Their mission is to empower businesses in navigating the complex technological landscape with ease, efficiency, and confidence. Notably, Keylent Inc has been recognized for its commitment to exceptional service delivery and the profound impact of its solutions in facilitating business growth.

Industry

Internet and it

Company size

11 - 50 Employees

Headquarters location

Wilmington, DE, US

Year founded

2010

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